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-rw-r--r--drivers/block/cciss.c748
-rw-r--r--drivers/block/cciss.h2
-rw-r--r--drivers/block/cciss_scsi.c195
-rw-r--r--drivers/block/xen-blkfront.c4
-rw-r--r--drivers/char/Kconfig2
-rw-r--r--drivers/char/Makefile1
-rw-r--r--drivers/char/amiserial.c2
-rw-r--r--drivers/char/viocons.c1171
-rw-r--r--drivers/firewire/fw-cdev.c29
-rw-r--r--drivers/hwmon/Kconfig16
-rw-r--r--drivers/hwmon/Makefile1
-rw-r--r--drivers/hwmon/ad7414.c268
-rw-r--r--drivers/hwmon/dme1737.c292
-rw-r--r--drivers/hwmon/f71882fg.c6
-rw-r--r--drivers/hwmon/hwmon-vid.c144
-rw-r--r--drivers/hwmon/it87.c45
-rw-r--r--drivers/hwmon/thmc50.c28
-rw-r--r--drivers/hwmon/w83627hf.c101
-rw-r--r--drivers/hwmon/w83791d.c24
-rw-r--r--drivers/infiniband/core/cma.c37
-rw-r--r--drivers/infiniband/core/mad_rmpp.c2
-rw-r--r--drivers/infiniband/core/ucma.c14
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c6
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c28
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.h7
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c25
-rw-r--r--drivers/infiniband/hw/ipath/ipath_driver.c5
-rw-r--r--drivers/infiniband/hw/ipath/ipath_iba7220.c7
-rw-r--r--drivers/infiniband/hw/ipath/ipath_intr.c12
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.c6
-rw-r--r--drivers/infiniband/hw/mlx4/cq.c33
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c2
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_cm.c2
-rw-r--r--drivers/media/dvb/dvb-usb/cxusb.c7
-rw-r--r--drivers/media/dvb/frontends/Kconfig3
-rw-r--r--drivers/media/video/Kconfig2
-rw-r--r--drivers/media/video/arv.c2
-rw-r--r--drivers/media/video/em28xx/em28xx-cards.c1
-rw-r--r--drivers/media/video/gspca/conex.c4
-rw-r--r--drivers/media/video/gspca/etoms.c137
-rw-r--r--drivers/media/video/gspca/gspca.c12
-rw-r--r--drivers/media/video/gspca/gspca.h5
-rw-r--r--drivers/media/video/gspca/ov519.c476
-rw-r--r--drivers/media/video/gspca/pac7311.c54
-rw-r--r--drivers/media/video/gspca/sonixb.c2
-rw-r--r--drivers/media/video/gspca/sonixj.c287
-rw-r--r--drivers/media/video/gspca/spca505.c12
-rw-r--r--drivers/media/video/gspca/spca506.c12
-rw-r--r--drivers/media/video/gspca/spca508.c18
-rw-r--r--drivers/media/video/gspca/spca561.c42
-rw-r--r--drivers/media/video/gspca/vc032x.c4
-rw-r--r--drivers/media/video/gspca/zc3xx.c6
-rw-r--r--drivers/media/video/pxa_camera.c58
-rw-r--r--drivers/media/video/sh_mobile_ceu_camera.c2
-rw-r--r--drivers/media/video/soc_camera.c26
-rw-r--r--drivers/media/video/soc_camera_platform.c2
-rw-r--r--drivers/media/video/uvc/uvc_ctrl.c33
-rw-r--r--drivers/media/video/uvc/uvc_driver.c26
-rw-r--r--drivers/media/video/uvc/uvc_video.c33
-rw-r--r--drivers/media/video/v4l2-dev.c4
-rw-r--r--drivers/media/video/vino.c1
-rw-r--r--drivers/misc/Kconfig4
-rw-r--r--drivers/watchdog/Kconfig16
-rw-r--r--drivers/watchdog/Makefile4
-rw-r--r--drivers/watchdog/acquirewdt.c130
-rw-r--r--drivers/watchdog/advantechwdt.c162
-rw-r--r--drivers/watchdog/alim1535_wdt.c189
-rw-r--r--drivers/watchdog/alim7101_wdt.c228
-rw-r--r--drivers/watchdog/ar7_wdt.c8
-rw-r--r--drivers/watchdog/at32ap700x_wdt.c43
-rw-r--r--drivers/watchdog/at91rm9200_wdt.c108
-rw-r--r--drivers/watchdog/bfin_wdt.c147
-rw-r--r--drivers/watchdog/booke_wdt.c44
-rw-r--r--drivers/watchdog/cpu5wdt.c144
-rw-r--r--drivers/watchdog/davinci_wdt.c19
-rw-r--r--drivers/watchdog/ep93xx_wdt.c27
-rw-r--r--drivers/watchdog/eurotechwdt.c95
-rw-r--r--drivers/watchdog/geodewdt.c96
-rw-r--r--drivers/watchdog/hpwdt.c6
-rw-r--r--drivers/watchdog/i6300esb.c366
-rw-r--r--drivers/watchdog/iTCO_vendor.h15
-rw-r--r--drivers/watchdog/iTCO_vendor_support.c62
-rw-r--r--drivers/watchdog/iTCO_wdt.c310
-rw-r--r--drivers/watchdog/ib700wdt.c123
-rw-r--r--drivers/watchdog/ibmasr.c151
-rw-r--r--drivers/watchdog/indydog.c114
-rw-r--r--drivers/watchdog/iop_wdt.c62
-rw-r--r--drivers/watchdog/it8712f_wdt.c6
-rw-r--r--drivers/watchdog/ixp2000_wdt.c60
-rw-r--r--drivers/watchdog/ixp4xx_wdt.c66
-rw-r--r--drivers/watchdog/ks8695_wdt.c119
-rw-r--r--drivers/watchdog/machzwd.c108
-rw-r--r--drivers/watchdog/mixcomwd.c133
-rw-r--r--drivers/watchdog/mpc5200_wdt.c24
-rw-r--r--drivers/watchdog/mpc83xx_wdt.c230
-rw-r--r--drivers/watchdog/mpc8xx_wdt.c37
-rw-r--r--drivers/watchdog/mpc8xxx_wdt.c316
-rw-r--r--drivers/watchdog/mpcore_wdt.c73
-rw-r--r--drivers/watchdog/mtx-1_wdt.c111
-rw-r--r--drivers/watchdog/mv64x60_wdt.c21
-rw-r--r--drivers/watchdog/omap_wdt.c42
-rw-r--r--drivers/watchdog/pc87413_wdt.c249
-rw-r--r--drivers/watchdog/pcwd.c191
-rw-r--r--drivers/watchdog/pcwd_pci.c161
-rw-r--r--drivers/watchdog/pcwd_usb.c168
-rw-r--r--drivers/watchdog/pnx4008_wdt.c28
-rw-r--r--drivers/watchdog/rm9k_wdt.c34
-rw-r--r--drivers/watchdog/s3c2410_wdt.c15
-rw-r--r--drivers/watchdog/sa1100_wdt.c42
-rw-r--r--drivers/watchdog/sb_wdog.c92
-rw-r--r--drivers/watchdog/sbc60xxwdt.c223
-rw-r--r--drivers/watchdog/sbc7240_wdt.c70
-rw-r--r--drivers/watchdog/sbc8360.c46
-rw-r--r--drivers/watchdog/sbc_epx_c3.c22
-rw-r--r--drivers/watchdog/sc1200wdt.c39
-rw-r--r--drivers/watchdog/sc520_wdt.c162
-rw-r--r--drivers/watchdog/scx200_wdt.c65
-rw-r--r--drivers/watchdog/shwdt.c139
-rw-r--r--drivers/watchdog/smsc37b787_wdt.c448
-rw-r--r--drivers/watchdog/softdog.c87
-rw-r--r--drivers/watchdog/txx9wdt.c37
-rw-r--r--drivers/watchdog/w83627hf_wdt.c190
-rw-r--r--drivers/watchdog/w83697hf_wdt.c189
-rw-r--r--drivers/watchdog/w83877f_wdt.c199
-rw-r--r--drivers/watchdog/w83977f_wdt.c239
-rw-r--r--drivers/watchdog/wafer5823wdt.c132
-rw-r--r--drivers/watchdog/wd501p.h2
-rw-r--r--drivers/watchdog/wdrtas.c105
-rw-r--r--drivers/watchdog/wdt.c4
-rw-r--r--drivers/watchdog/wdt285.c31
-rw-r--r--drivers/watchdog/wdt977.c162
-rw-r--r--drivers/watchdog/wdt_pci.c8
132 files changed, 5822 insertions, 6312 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 0ce0c279aab..b73116ef923 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -159,7 +159,7 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
static int cciss_revalidate(struct gendisk *disk);
-static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk);
+static int rebuild_lun_table(ctlr_info_t *h, int first_time);
static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
int clear_all);
@@ -171,7 +171,6 @@ static void cciss_geometry_inquiry(int ctlr, int logvol,
int withirq, sector_t total_size,
unsigned int block_size, InquiryData_struct *inq_buff,
drive_info_struct *drv);
-static void cciss_getgeometry(int cntl_num);
static void __devinit cciss_interrupt_mode(ctlr_info_t *, struct pci_dev *,
__u32);
static void start_io(ctlr_info_t *h);
@@ -929,8 +928,10 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
return 0;
}
+ case CCISS_DEREGDISK:
+ case CCISS_REGNEWD:
case CCISS_REVALIDVOLS:
- return rebuild_lun_table(host, NULL);
+ return rebuild_lun_table(host, 0);
case CCISS_GETLUNINFO:{
LogvolInfo_struct luninfo;
@@ -943,12 +944,6 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
return -EFAULT;
return 0;
}
- case CCISS_DEREGDISK:
- return rebuild_lun_table(host, disk);
-
- case CCISS_REGNEWD:
- return rebuild_lun_table(host, NULL);
-
case CCISS_PASSTHRU:
{
IOCTL_Command_struct iocommand;
@@ -1134,7 +1129,7 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
if (ioc->Request.Type.Direction == XFER_WRITE) {
if (copy_from_user
(buff[sg_used], data_ptr, sz)) {
- status = -ENOMEM;
+ status = -EFAULT;
goto cleanup1;
}
} else {
@@ -1330,15 +1325,84 @@ static void cciss_softirq_done(struct request *rq)
spin_unlock_irqrestore(&h->lock, flags);
}
+/* This function gets the serial number of a logical drive via
+ * inquiry page 0x83. Serial no. is 16 bytes. If the serial
+ * number cannot be had, for whatever reason, 16 bytes of 0xff
+ * are returned instead.
+ */
+static void cciss_get_serial_no(int ctlr, int logvol, int withirq,
+ unsigned char *serial_no, int buflen)
+{
+#define PAGE_83_INQ_BYTES 64
+ int rc;
+ unsigned char *buf;
+
+ if (buflen > 16)
+ buflen = 16;
+ memset(serial_no, 0xff, buflen);
+ buf = kzalloc(PAGE_83_INQ_BYTES, GFP_KERNEL);
+ if (!buf)
+ return;
+ memset(serial_no, 0, buflen);
+ if (withirq)
+ rc = sendcmd_withirq(CISS_INQUIRY, ctlr, buf,
+ PAGE_83_INQ_BYTES, 1, logvol, 0x83, TYPE_CMD);
+ else
+ rc = sendcmd(CISS_INQUIRY, ctlr, buf,
+ PAGE_83_INQ_BYTES, 1, logvol, 0x83, NULL, TYPE_CMD);
+ if (rc == IO_OK)
+ memcpy(serial_no, &buf[8], buflen);
+ kfree(buf);
+ return;
+}
+
+static void cciss_add_disk(ctlr_info_t *h, struct gendisk *disk,
+ int drv_index)
+{
+ disk->queue = blk_init_queue(do_cciss_request, &h->lock);
+ sprintf(disk->disk_name, "cciss/c%dd%d", h->ctlr, drv_index);
+ disk->major = h->major;
+ disk->first_minor = drv_index << NWD_SHIFT;
+ disk->fops = &cciss_fops;
+ disk->private_data = &h->drv[drv_index];
+
+ /* Set up queue information */
+ blk_queue_bounce_limit(disk->queue, h->pdev->dma_mask);
+
+ /* This is a hardware imposed limit. */
+ blk_queue_max_hw_segments(disk->queue, MAXSGENTRIES);
+
+ /* This is a limit in the driver and could be eliminated. */
+ blk_queue_max_phys_segments(disk->queue, MAXSGENTRIES);
+
+ blk_queue_max_sectors(disk->queue, h->cciss_max_sectors);
+
+ blk_queue_softirq_done(disk->queue, cciss_softirq_done);
+
+ disk->queue->queuedata = h;
+
+ blk_queue_hardsect_size(disk->queue,
+ h->drv[drv_index].block_size);
+
+ /* Make sure all queue data is written out before */
+ /* setting h->drv[drv_index].queue, as setting this */
+ /* allows the interrupt handler to start the queue */
+ wmb();
+ h->drv[drv_index].queue = disk->queue;
+ add_disk(disk);
+}
+
/* This function will check the usage_count of the drive to be updated/added.
- * If the usage_count is zero then the drive information will be updated and
- * the disk will be re-registered with the kernel. If not then it will be
- * left alone for the next reboot. The exception to this is disk 0 which
- * will always be left registered with the kernel since it is also the
- * controller node. Any changes to disk 0 will show up on the next
- * reboot.
+ * If the usage_count is zero and it is a heretofore unknown drive, or,
+ * the drive's capacity, geometry, or serial number has changed,
+ * then the drive information will be updated and the disk will be
+ * re-registered with the kernel. If these conditions don't hold,
+ * then it will be left alone for the next reboot. The exception to this
+ * is disk 0 which will always be left registered with the kernel since it
+ * is also the controller node. Any changes to disk 0 will show up on
+ * the next reboot.
*/
-static void cciss_update_drive_info(int ctlr, int drv_index)
+static void cciss_update_drive_info(int ctlr, int drv_index, int first_time)
{
ctlr_info_t *h = hba[ctlr];
struct gendisk *disk;
@@ -1347,16 +1411,81 @@ static void cciss_update_drive_info(int ctlr, int drv_index)
sector_t total_size;
unsigned long flags = 0;
int ret = 0;
+ drive_info_struct *drvinfo;
+ int was_only_controller_node;
+
+ /* Get information about the disk and modify the driver structure */
+ inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL);
+ drvinfo = kmalloc(sizeof(*drvinfo), GFP_KERNEL);
+ if (inq_buff == NULL || drvinfo == NULL)
+ goto mem_msg;
+
+ /* See if we're trying to update the "controller node"
+ * this will happen the when the first logical drive gets
+ * created by ACU.
+ */
+ was_only_controller_node = (drv_index == 0 &&
+ h->drv[0].raid_level == -1);
- /* if the disk already exists then deregister it before proceeding */
- if (h->drv[drv_index].raid_level != -1) {
+ /* testing to see if 16-byte CDBs are already being used */
+ if (h->cciss_read == CCISS_READ_16) {
+ cciss_read_capacity_16(h->ctlr, drv_index, 1,
+ &total_size, &block_size);
+
+ } else {
+ cciss_read_capacity(ctlr, drv_index, 1,
+ &total_size, &block_size);
+
+ /* if read_capacity returns all F's this volume is >2TB */
+ /* in size so we switch to 16-byte CDB's for all */
+ /* read/write ops */
+ if (total_size == 0xFFFFFFFFULL) {
+ cciss_read_capacity_16(ctlr, drv_index, 1,
+ &total_size, &block_size);
+ h->cciss_read = CCISS_READ_16;
+ h->cciss_write = CCISS_WRITE_16;
+ } else {
+ h->cciss_read = CCISS_READ_10;
+ h->cciss_write = CCISS_WRITE_10;
+ }
+ }
+
+ cciss_geometry_inquiry(ctlr, drv_index, 1, total_size, block_size,
+ inq_buff, drvinfo);
+ drvinfo->block_size = block_size;
+ drvinfo->nr_blocks = total_size + 1;
+
+ cciss_get_serial_no(ctlr, drv_index, 1, drvinfo->serial_no,
+ sizeof(drvinfo->serial_no));
+
+ /* Is it the same disk we already know, and nothing's changed? */
+ if (h->drv[drv_index].raid_level != -1 &&
+ ((memcmp(drvinfo->serial_no,
+ h->drv[drv_index].serial_no, 16) == 0) &&
+ drvinfo->block_size == h->drv[drv_index].block_size &&
+ drvinfo->nr_blocks == h->drv[drv_index].nr_blocks &&
+ drvinfo->heads == h->drv[drv_index].heads &&
+ drvinfo->sectors == h->drv[drv_index].sectors &&
+ drvinfo->cylinders == h->drv[drv_index].cylinders))
+ /* The disk is unchanged, nothing to update */
+ goto freeret;
+
+ /* If we get here it's not the same disk, or something's changed,
+ * so we need to * deregister it, and re-register it, if it's not
+ * in use.
+ * If the disk already exists then deregister it before proceeding
+ * (unless it's the first disk (for the controller node).
+ */
+ if (h->drv[drv_index].raid_level != -1 && drv_index != 0) {
+ printk(KERN_WARNING "disk %d has changed.\n", drv_index);
spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
h->drv[drv_index].busy_configuring = 1;
spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
- /* deregister_disk sets h->drv[drv_index].queue = NULL */
- /* which keeps the interrupt handler from starting */
- /* the queue. */
+ /* deregister_disk sets h->drv[drv_index].queue = NULL
+ * which keeps the interrupt handler from starting
+ * the queue.
+ */
ret = deregister_disk(h->gendisk[drv_index],
&h->drv[drv_index], 0);
h->drv[drv_index].busy_configuring = 0;
@@ -1364,81 +1493,37 @@ static void cciss_update_drive_info(int ctlr, int drv_index)
/* If the disk is in use return */
if (ret)
- return;
+ goto freeret;
- /* Get information about the disk and modify the driver structure */
- inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL);
- if (inq_buff == NULL)
- goto mem_msg;
-
- /* testing to see if 16-byte CDBs are already being used */
- if (h->cciss_read == CCISS_READ_16) {
- cciss_read_capacity_16(h->ctlr, drv_index, 1,
- &total_size, &block_size);
- goto geo_inq;
- }
-
- cciss_read_capacity(ctlr, drv_index, 1,
- &total_size, &block_size);
-
- /* if read_capacity returns all F's this volume is >2TB in size */
- /* so we switch to 16-byte CDB's for all read/write ops */
- if (total_size == 0xFFFFFFFFULL) {
- cciss_read_capacity_16(ctlr, drv_index, 1,
- &total_size, &block_size);
- h->cciss_read = CCISS_READ_16;
- h->cciss_write = CCISS_WRITE_16;
- } else {
- h->cciss_read = CCISS_READ_10;
- h->cciss_write = CCISS_WRITE_10;
- }
-geo_inq:
- cciss_geometry_inquiry(ctlr, drv_index, 1, total_size, block_size,
- inq_buff, &h->drv[drv_index]);
+ /* Save the new information from cciss_geometry_inquiry
+ * and serial number inquiry.
+ */
+ h->drv[drv_index].block_size = drvinfo->block_size;
+ h->drv[drv_index].nr_blocks = drvinfo->nr_blocks;
+ h->drv[drv_index].heads = drvinfo->heads;
+ h->drv[drv_index].sectors = drvinfo->sectors;
+ h->drv[drv_index].cylinders = drvinfo->cylinders;
+ h->drv[drv_index].raid_level = drvinfo->raid_level;
+ memcpy(h->drv[drv_index].serial_no, drvinfo->serial_no, 16);
++h->num_luns;
disk = h->gendisk[drv_index];
set_capacity(disk, h->drv[drv_index].nr_blocks);
- /* if it's the controller it's already added */
- if (drv_index) {
- disk->queue = blk_init_queue(do_cciss_request, &h->lock);
- sprintf(disk->disk_name, "cciss/c%dd%d", ctlr, drv_index);
- disk->major = h->major;
- disk->first_minor = drv_index << NWD_SHIFT;
- disk->fops = &cciss_fops;
- disk->private_data = &h->drv[drv_index];
-
- /* Set up queue information */
- blk_queue_bounce_limit(disk->queue, hba[ctlr]->pdev->dma_mask);
-
- /* This is a hardware imposed limit. */
- blk_queue_max_hw_segments(disk->queue, MAXSGENTRIES);
-
- /* This is a limit in the driver and could be eliminated. */
- blk_queue_max_phys_segments(disk->queue, MAXSGENTRIES);
-
- blk_queue_max_sectors(disk->queue, h->cciss_max_sectors);
-
- blk_queue_softirq_done(disk->queue, cciss_softirq_done);
-
- disk->queue->queuedata = hba[ctlr];
-
- blk_queue_hardsect_size(disk->queue,
- hba[ctlr]->drv[drv_index].block_size);
-
- /* Make sure all queue data is written out before */
- /* setting h->drv[drv_index].queue, as setting this */
- /* allows the interrupt handler to start the queue */
- wmb();
- h->drv[drv_index].queue = disk->queue;
- add_disk(disk);
- }
+ /* If it's not disk 0 (drv_index != 0)
+ * or if it was disk 0, but there was previously
+ * no actual corresponding configured logical drive
+ * (raid_leve == -1) then we want to update the
+ * logical drive's information.
+ */
+ if (drv_index || first_time)
+ cciss_add_disk(h, disk, drv_index);
- freeret:
+freeret:
kfree(inq_buff);
+ kfree(drvinfo);
return;
- mem_msg:
+mem_msg:
printk(KERN_ERR "cciss: out of memory\n");
goto freeret;
}
@@ -1448,21 +1533,91 @@ geo_inq:
* where new drives will be added. If the index to be returned is greater
* than the highest_lun index for the controller then highest_lun is set
* to this new index. If there are no available indexes then -1 is returned.
+ * "controller_node" is used to know if this is a real logical drive, or just
+ * the controller node, which determines if this counts towards highest_lun.
*/
-static int cciss_find_free_drive_index(int ctlr)
+static int cciss_find_free_drive_index(int ctlr, int controller_node)
{
int i;
for (i = 0; i < CISS_MAX_LUN; i++) {
if (hba[ctlr]->drv[i].raid_level == -1) {
if (i > hba[ctlr]->highest_lun)
- hba[ctlr]->highest_lun = i;
+ if (!controller_node)
+ hba[ctlr]->highest_lun = i;
return i;
}
}
return -1;
}
+/* cciss_add_gendisk finds a free hba[]->drv structure
+ * and allocates a gendisk if needed, and sets the lunid
+ * in the drvinfo structure. It returns the index into
+ * the ->drv[] array, or -1 if none are free.
+ * is_controller_node indicates whether highest_lun should
+ * count this disk, or if it's only being added to provide
+ * a means to talk to the controller in case no logical
+ * drives have yet been configured.
+ */
+static int cciss_add_gendisk(ctlr_info_t *h, __u32 lunid, int controller_node)
+{
+ int drv_index;
+
+ drv_index = cciss_find_free_drive_index(h->ctlr, controller_node);
+ if (drv_index == -1)
+ return -1;
+ /*Check if the gendisk needs to be allocated */
+ if (!h->gendisk[drv_index]) {
+ h->gendisk[drv_index] =
+ alloc_disk(1 << NWD_SHIFT);
+ if (!h->gendisk[drv_index]) {
+ printk(KERN_ERR "cciss%d: could not "
+ "allocate a new disk %d\n",
+ h->ctlr, drv_index);
+ return -1;
+ }
+ }
+ h->drv[drv_index].LunID = lunid;
+
+ /* Don't need to mark this busy because nobody */
+ /* else knows about this disk yet to contend */
+ /* for access to it. */
+ h->drv[drv_index].busy_configuring = 0;
+ wmb();
+ return drv_index;
+}
+
+/* This is for the special case of a controller which
+ * has no logical drives. In this case, we still need
+ * to register a disk so the controller can be accessed
+ * by the Array Config Utility.
+ */
+static void cciss_add_controller_node(ctlr_info_t *h)
+{
+ struct gendisk *disk;
+ int drv_index;
+
+ if (h->gendisk[0] != NULL) /* already did this? Then bail. */
+ return;
+
+ drv_index = cciss_add_gendisk(h, 0, 1);
+ if (drv_index == -1) {
+ printk(KERN_WARNING "cciss%d: could not "
+ "add disk 0.\n", h->ctlr);
+ return;
+ }
+ h->drv[drv_index].block_size = 512;
+ h->drv[drv_index].nr_blocks = 0;
+ h->drv[drv_index].heads = 0;
+ h->drv[drv_index].sectors = 0;
+ h->drv[drv_index].cylinders = 0;
+ h->drv[drv_index].raid_level = -1;
+ memset(h->drv[drv_index].serial_no, 0, 16);
+ disk = h->gendisk[drv_index];
+ cciss_add_disk(h, disk, drv_index);
+}
+
/* This function will add and remove logical drives from the Logical
* drive array of the controller and maintain persistency of ordering
* so that mount points are preserved until the next reboot. This allows
@@ -1470,15 +1625,12 @@ static int cciss_find_free_drive_index(int ctlr)
* without a re-ordering of those drives.
* INPUT
* h = The controller to perform the operations on
- * del_disk = The disk to remove if specified. If the value given
- * is NULL then no disk is removed.
*/
-static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
+static int rebuild_lun_table(ctlr_info_t *h, int first_time)
{
int ctlr = h->ctlr;
int num_luns;
ReportLunData_struct *ld_buff = NULL;
- drive_info_struct *drv = NULL;
int return_code;
int listlength = 0;
int i;
@@ -1487,6 +1639,9 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
__u32 lunid = 0;
unsigned long flags;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
+
/* Set busy_configuring flag for this operation */
spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
if (h->busy_configuring) {
@@ -1494,100 +1649,100 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
return -EBUSY;
}
h->busy_configuring = 1;
+ spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
- /* if del_disk is NULL then we are being called to add a new disk
- * and update the logical drive table. If it is not NULL then
- * we will check if the disk is in use or not.
- */
- if (del_disk != NULL) {
- drv = get_drv(del_disk);
- drv->busy_configuring = 1;
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
- return_code = deregister_disk(del_disk, drv, 1);
- drv->busy_configuring = 0;
- h->busy_configuring = 0;
- return return_code;
- } else {
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
- if (!capable(CAP_SYS_RAWIO))
- return -EPERM;
+ ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL);
+ if (ld_buff == NULL)
+ goto mem_msg;
- ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL);
- if (ld_buff == NULL)
- goto mem_msg;
-
- return_code = sendcmd_withirq(CISS_REPORT_LOG, ctlr, ld_buff,
- sizeof(ReportLunData_struct), 0,
- 0, 0, TYPE_CMD);
-
- if (return_code == IO_OK) {
- listlength =
- be32_to_cpu(*(__be32 *) ld_buff->LUNListLength);
- } else { /* reading number of logical volumes failed */
- printk(KERN_WARNING "cciss: report logical volume"
- " command failed\n");
- listlength = 0;
- goto freeret;
- }
+ return_code = sendcmd_withirq(CISS_REPORT_LOG, ctlr, ld_buff,
+ sizeof(ReportLunData_struct), 0,
+ 0, 0, TYPE_CMD);
- num_luns = listlength / 8; /* 8 bytes per entry */
- if (num_luns > CISS_MAX_LUN) {
- num_luns = CISS_MAX_LUN;
- printk(KERN_WARNING "cciss: more luns configured"
- " on controller than can be handled by"
- " this driver.\n");
+ if (return_code == IO_OK)
+ listlength = be32_to_cpu(*(__be32 *) ld_buff->LUNListLength);
+ else { /* reading number of logical volumes failed */
+ printk(KERN_WARNING "cciss: report logical volume"
+ " command failed\n");
+ listlength = 0;
+ goto freeret;
+ }
+
+ num_luns = listlength / 8; /* 8 bytes per entry */
+ if (num_luns > CISS_MAX_LUN) {
+ num_luns = CISS_MAX_LUN;
+ printk(KERN_WARNING "cciss: more luns configured"
+ " on controller than can be handled by"
+ " this driver.\n");
+ }
+
+ if (num_luns == 0)
+ cciss_add_controller_node(h);
+
+ /* Compare controller drive array to driver's drive array
+ * to see if any drives are missing on the controller due
+ * to action of Array Config Utility (user deletes drive)
+ * and deregister logical drives which have disappeared.
+ */
+ for (i = 0; i <= h->highest_lun; i++) {
+ int j;
+ drv_found = 0;
+ for (j = 0; j < num_luns; j++) {
+ memcpy(&lunid, &ld_buff->LUN[j][0], 4);
+ lunid = le32_to_cpu(lunid);
+ if (h->drv[i].LunID == lunid) {
+ drv_found = 1;
+ break;
+ }
}
+ if (!drv_found) {
+ /* Deregister it from the OS, it's gone. */
+ spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ h->drv[i].busy_configuring = 1;
+ spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ return_code = deregister_disk(h->gendisk[i],
+ &h->drv[i], 1);
+ h->drv[i].busy_configuring = 0;
+ }
+ }
+
+ /* Compare controller drive array to driver's drive array.
+ * Check for updates in the drive information and any new drives
+ * on the controller due to ACU adding logical drives, or changing
+ * a logical drive's size, etc. Reregister any new/changed drives
+ */
+ for (i = 0; i < num_luns; i++) {
+ int j;
- /* Compare controller drive array to drivers drive array.
- * Check for updates in the drive information and any new drives
- * on the controller.
+ drv_found = 0;
+
+ memcpy(&lunid, &ld_buff->LUN[i][0], 4);
+ lunid = le32_to_cpu(lunid);
+
+ /* Find if the LUN is already in the drive array
+ * of the driver. If so then update its info
+ * if not in use. If it does not exist then find
+ * the first free index and add it.
*/
- for (i = 0; i < num_luns; i++) {
- int j;
-
- drv_found = 0;
-
- lunid = (0xff &
- (unsigned int)(ld_buff->LUN[i][3])) << 24;
- lunid |= (0xff &
- (unsigned int)(ld_buff->LUN[i][2])) << 16;
- lunid |= (0xff &
- (unsigned int)(ld_buff->LUN[i][1])) << 8;
- lunid |= 0xff & (unsigned int)(ld_buff->LUN[i][0]);
-
- /* Find if the LUN is already in the drive array
- * of the controller. If so then update its info
- * if not is use. If it does not exist then find
- * the first free index and add it.
- */
- for (j = 0; j <= h->highest_lun; j++) {
- if (h->drv[j].LunID == lunid) {
- drv_index = j;
- drv_found = 1;
- }
+ for (j = 0; j <= h->highest_lun; j++) {
+ if (h->drv[j].raid_level != -1 &&
+ h->drv[j].LunID == lunid) {
+ drv_index = j;
+ drv_found = 1;
+ break;
}
+ }
- /* check if the drive was found already in the array */
- if (!drv_found) {
- drv_index = cciss_find_free_drive_index(ctlr);
- if (drv_index == -1)
- goto freeret;
-
- /*Check if the gendisk needs to be allocated */
- if (!h->gendisk[drv_index]){
- h->gendisk[drv_index] = alloc_disk(1 << NWD_SHIFT);
- if (!h->gendisk[drv_index]){
- printk(KERN_ERR "cciss: could not allocate new disk %d\n", drv_index);
- goto mem_msg;
- }
- }
- }
- h->drv[drv_index].LunID = lunid;
- cciss_update_drive_info(ctlr, drv_index);
- } /* end for */
- } /* end else */
+ /* check if the drive was found already in the array */
+ if (!drv_found) {
+ drv_index = cciss_add_gendisk(h, lunid, 0);
+ if (drv_index == -1)
+ goto freeret;
+ }
+ cciss_update_drive_info(ctlr, drv_index, first_time);
+ } /* end for */
- freeret:
+freeret:
kfree(ld_buff);
h->busy_configuring = 0;
/* We return -1 here to tell the ACU that we have registered/updated
@@ -1595,8 +1750,9 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
* additional times.
*/
return -1;
- mem_msg:
+mem_msg:
printk(KERN_ERR "cciss: out of memory\n");
+ h->busy_configuring = 0;
goto freeret;
}
@@ -1652,15 +1808,15 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
* other than disk 0 we will call put_disk. We do not
* do this for disk 0 as we need it to be able to
* configure the controller.
- */
+ */
if (clear_all){
/* This isn't pretty, but we need to find the
* disk in our array and NULL our the pointer.
* This is so that we will call alloc_disk if
* this index is used again later.
- */
+ */
for (i=0; i < CISS_MAX_LUN; i++){
- if(h->gendisk[i] == disk){
+ if (h->gendisk[i] == disk) {
h->gendisk[i] = NULL;
break;
}
@@ -1688,7 +1844,7 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
if (drv == h->drv + h->highest_lun) {
/* if so, find the new hightest lun */
int i, newhighest = -1;
- for (i = 0; i < h->highest_lun; i++) {
+ for (i = 0; i <= h->highest_lun; i++) {
/* if the disk has size > 0, it is available */
if (h->drv[i].heads)
newhighest = i;
@@ -3199,136 +3355,9 @@ err_out_free_res:
return err;
}
-/*
- * Gets information about the local volumes attached to the controller.
+/* Function to find the first free pointer into our hba[] array
+ * Returns -1 if no free entries are left.
*/
-static void cciss_getgeometry(int cntl_num)
-{
- ReportLunData_struct *ld_buff;
- InquiryData_struct *inq_buff;
- int return_code;
- int i;
- int listlength = 0;
- __u32 lunid = 0;
- unsigned block_size;
- sector_t total_size;
-
- ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL);
- if (ld_buff == NULL) {
- printk(KERN_ERR "cciss: out of memory\n");
- return;
- }
- inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL);
- if (inq_buff == NULL) {
- printk(KERN_ERR "cciss: out of memory\n");
- kfree(ld_buff);
- return;
- }
- /* Get the firmware version */
- return_code = sendcmd(CISS_INQUIRY, cntl_num, inq_buff,
- sizeof(InquiryData_struct), 0, 0, 0, NULL,
- TYPE_CMD);
- if (return_code == IO_OK) {
- hba[cntl_num]->firm_ver[0] = inq_buff->data_byte[32];
- hba[cntl_num]->firm_ver[1] = inq_buff->data_byte[33];
- hba[cntl_num]->firm_ver[2] = inq_buff->data_byte[34];
- hba[cntl_num]->firm_ver[3] = inq_buff->data_byte[35];
- } else { /* send command failed */
-
- printk(KERN_WARNING "cciss: unable to determine firmware"
- " version of controller\n");
- }
- /* Get the number of logical volumes */
- return_code = sendcmd(CISS_REPORT_LOG, cntl_num, ld_buff,
- sizeof(ReportLunData_struct), 0, 0, 0, NULL,
- TYPE_CMD);
-
- if (return_code == IO_OK) {
-#ifdef CCISS_DEBUG
- printk("LUN Data\n--------------------------\n");
-#endif /* CCISS_DEBUG */
-
- listlength |=
- (0xff & (unsigned int)(ld_buff->LUNListLength[0])) << 24;
- listlength |=
- (0xff & (unsigned int)(ld_buff->LUNListLength[1])) << 16;
- listlength |=
- (0xff & (unsigned int)(ld_buff->LUNListLength[2])) << 8;
- listlength |= 0xff & (unsigned int)(ld_buff->LUNListLength[3]);
- } else { /* reading number of logical volumes failed */
-
- printk(KERN_WARNING "cciss: report logical volume"
- " command failed\n");
- listlength = 0;
- }
- hba[cntl_num]->num_luns = listlength / 8; // 8 bytes pre entry
- if (hba[cntl_num]->num_luns > CISS_MAX_LUN) {
- printk(KERN_ERR
- "ciss: only %d number of logical volumes supported\n",
- CISS_MAX_LUN);
- hba[cntl_num]->num_luns = CISS_MAX_LUN;
- }
-#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "Length = %x %x %x %x = %d\n",
- ld_buff->LUNListLength[0], ld_buff->LUNListLength[1],
- ld_buff->LUNListLength[2], ld_buff->LUNListLength[3],
- hba[cntl_num]->num_luns);
-#endif /* CCISS_DEBUG */
-
- hba[cntl_num]->highest_lun = hba[cntl_num]->num_luns - 1;
- for (i = 0; i < CISS_MAX_LUN; i++) {
- if (i < hba[cntl_num]->num_luns) {
- lunid = (0xff & (unsigned int)(ld_buff->LUN[i][3]))
- << 24;
- lunid |= (0xff & (unsigned int)(ld_buff->LUN[i][2]))
- << 16;
- lunid |= (0xff & (unsigned int)(ld_buff->LUN[i][1]))
- << 8;
- lunid |= 0xff & (unsigned int)(ld_buff->LUN[i][0]);
-
- hba[cntl_num]->drv[i].LunID = lunid;
-
-#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "LUN[%d]: %x %x %x %x = %x\n", i,
- ld_buff->LUN[i][0], ld_buff->LUN[i][1],
- ld_buff->LUN[i][2], ld_buff->LUN[i][3],
- hba[cntl_num]->drv[i].LunID);
-#endif /* CCISS_DEBUG */
-
- /* testing to see if 16-byte CDBs are already being used */
- if(hba[cntl_num]->cciss_read == CCISS_READ_16) {
- cciss_read_capacity_16(cntl_num, i, 0,
- &total_size, &block_size);
- goto geo_inq;
- }
- cciss_read_capacity(cntl_num, i, 0, &total_size, &block_size);
-
- /* If read_capacity returns all F's the logical is >2TB */
- /* so we switch to 16-byte CDBs for all read/write ops */
- if(total_size == 0xFFFFFFFFULL) {
- cciss_read_capacity_16(cntl_num, i, 0,
- &total_size, &block_size);
- hba[cntl_num]->cciss_read = CCISS_READ_16;
- hba[cntl_num]->cciss_write = CCISS_WRITE_16;
- } else {
- hba[cntl_num]->cciss_read = CCISS_READ_10;
- hba[cntl_num]->cciss_write = CCISS_WRITE_10;
- }
-geo_inq:
- cciss_geometry_inquiry(cntl_num, i, 0, total_size,
- block_size, inq_buff,
- &hba[cntl_num]->drv[i]);
- } else {
- /* initialize raid_level to indicate a free space */
- hba[cntl_num]->drv[i].raid_level = -1;
- }
- }
- kfree(ld_buff);
- kfree(inq_buff);
-}
-
-/* Function to find the first free pointer into our hba[] array */
-/* Returns -1 if no free entries are left. */
static int alloc_cciss_hba(void)
{
int i;
@@ -3340,11 +3369,6 @@ static int alloc_cciss_hba(void)
p = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL);
if (!p)
goto Enomem;
- p->gendisk[0] = alloc_disk(1 << NWD_SHIFT);
- if (!p->gendisk[0]) {
- kfree(p);
- goto Enomem;
- }
hba[i] = p;
return i;
}
@@ -3472,11 +3496,13 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
((hba[i]->nr_cmds + BITS_PER_LONG -
1) / BITS_PER_LONG) * sizeof(unsigned long));
-#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "Scanning for drives on controller cciss%d\n", i);
-#endif /* CCISS_DEBUG */
-
- cciss_getgeometry(i);
+ hba[i]->num_luns = 0;
+ hba[i]->highest_lun = -1;
+ for (j = 0; j < CISS_MAX_LUN; j++) {
+ hba[i]->drv[j].raid_level = -1;
+ hba[i]->drv[j].queue = NULL;
+ hba[i]->gendisk[j] = NULL;
+ }
cciss_scsi_setup(i);
@@ -3489,76 +3515,10 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
hba[i]->busy_initializing = 0;
- do {
- drive_info_struct *drv = &(hba[i]->drv[j]);
- struct gendisk *disk = hba[i]->gendisk[j];
- struct request_queue *q;
-
- /* Check if the disk was allocated already */
- if (!disk){
- hba[i]->gendisk[j] = alloc_disk(1 << NWD_SHIFT);
- disk = hba[i]->gendisk[j];
- }
-
- /* Check that the disk was able to be allocated */
- if (!disk) {
- printk(KERN_ERR "cciss: unable to allocate memory for disk %d\n", j);
- goto clean4;
- }
-
- q = blk_init_queue(do_cciss_request, &hba[i]->lock);
- if (!q) {
- printk(KERN_ERR
- "cciss: unable to allocate queue for disk %d\n",
- j);
- goto clean4;
- }
- drv->queue = q;
-
- blk_queue_bounce_limit(q, hba[i]->pdev->dma_mask);
-
- /* This is a hardware imposed limit. */
- blk_queue_max_hw_segments(q, MAXSGENTRIES);
-
- /* This is a limit in the driver and could be eliminated. */
- blk_queue_max_phys_segments(q, MAXSGENTRIES);
-
- blk_queue_max_sectors(q, hba[i]->cciss_max_sectors);
-
- blk_queue_softirq_done(q, cciss_softirq_done);
-
- q->queuedata = hba[i];
- sprintf(disk->disk_name, "cciss/c%dd%d", i, j);
- disk->major = hba[i]->major;
- disk->first_minor = j << NWD_SHIFT;
- disk->fops = &cciss_fops;
- disk->queue = q;
- disk->private_data = drv;
- disk->driverfs_dev = &pdev->dev;
- /* we must register the controller even if no disks exist */
- /* this is for the online array utilities */
- if (!drv->heads && j)
- continue;
- blk_queue_hardsect_size(q, drv->block_size);
- set_capacity(disk, drv->nr_blocks);
- j++;
- } while (j <= hba[i]->highest_lun);
-
- /* Make sure all queue data is written out before */
- /* interrupt handler, triggered by add_disk, */
- /* is allowed to start them. */
- wmb();
-
- for (j = 0; j <= hba[i]->highest_lun; j++)
- add_disk(hba[i]->gendisk[j]);
-
- /* we must register the controller even if no disks exist */
- if (hba[i]->highest_lun == -1)
- add_disk(hba[i]->gendisk[0]);
-
+ rebuild_lun_table(hba[i], 1);
return 1;
- clean4:
+clean4:
#ifdef CONFIG_CISS_SCSI_TAPE
kfree(hba[i]->scsi_rejects.complete);
#endif
@@ -3573,9 +3533,9 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
hba[i]->errinfo_pool,
hba[i]->errinfo_pool_dhandle);
free_irq(hba[i]->intr[SIMPLE_MODE_INT], hba[i]);
- clean2:
+clean2:
unregister_blkdev(hba[i]->major, hba[i]->devname);
- clean1:
+clean1:
hba[i]->busy_initializing = 0;
/* cleanup any queues that may have been initialized */
for (j=0; j <= hba[i]->highest_lun; j++){
@@ -3654,7 +3614,9 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev)
}
}
+#ifdef CONFIG_CISS_SCSI_TAPE
cciss_unregister_scsi(i); /* unhook from SCSI subsystem */
+#endif
cciss_shutdown(pdev);
diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
index b70988dd33e..24a7efa993a 100644
--- a/drivers/block/cciss.h
+++ b/drivers/block/cciss.h
@@ -39,6 +39,8 @@ typedef struct _drive_info_struct
*to prevent it from being opened or it's queue
*from being started.
*/
+ __u8 serial_no[16]; /* from inquiry page 0x83, */
+ /* not necc. null terminated. */
} drive_info_struct;
#ifdef CONFIG_CISS_SCSI_TAPE
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index e4bf9a11ca0..e1233aabda7 100644
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -358,23 +358,68 @@ find_bus_target_lun(int ctlr, int *bus, int *target, int *lun)
}
return (!found);
}
+struct scsi2map {
+ char scsi3addr[8];
+ int bus, target, lun;
+};
static int
cciss_scsi_add_entry(int ctlr, int hostno,
- unsigned char *scsi3addr, int devtype)
+ unsigned char *scsi3addr, int devtype,
+ struct scsi2map *added, int *nadded)
{
/* assumes hba[ctlr]->scsi_ctlr->lock is held */
int n = ccissscsi[ctlr].ndevices;
struct cciss_scsi_dev_t *sd;
+ int i, bus, target, lun;
+ unsigned char addr1[8], addr2[8];
if (n >= CCISS_MAX_SCSI_DEVS_PER_HBA) {
printk("cciss%d: Too many devices, "
"some will be inaccessible.\n", ctlr);
return -1;
}
+
+ bus = target = -1;
+ lun = 0;
+ /* Is this device a non-zero lun of a multi-lun device */
+ /* byte 4 of the 8-byte LUN addr will contain the logical unit no. */
+ if (scsi3addr[4] != 0) {
+ /* Search through our list and find the device which */
+ /* has the same 8 byte LUN address, excepting byte 4. */
+ /* Assign the same bus and target for this new LUN. */
+ /* Use the logical unit number from the firmware. */
+ memcpy(addr1, scsi3addr, 8);
+ addr1[4] = 0;
+ for (i = 0; i < n; i++) {
+ sd = &ccissscsi[ctlr].dev[i];
+ memcpy(addr2, sd->scsi3addr, 8);
+ addr2[4] = 0;
+ /* differ only in byte 4? */
+ if (memcmp(addr1, addr2, 8) == 0) {
+ bus = sd->bus;
+ target = sd->target;
+ lun = scsi3addr[4];
+ break;
+ }
+ }
+ }
+
sd = &ccissscsi[ctlr].dev[n];
- if (find_bus_target_lun(ctlr, &sd->bus, &sd->target, &sd->lun) != 0)
- return -1;
+ if (lun == 0) {
+ if (find_bus_target_lun(ctlr,
+ &sd->bus, &sd->target, &sd->lun) != 0)
+ return -1;
+ } else {
+ sd->bus = bus;
+ sd->target = target;
+ sd->lun = lun;
+ }
+ added[*nadded].bus = sd->bus;
+ added[*nadded].target = sd->target;
+ added[*nadded].lun = sd->lun;
+ (*nadded)++;
+
memcpy(&sd->scsi3addr[0], scsi3addr, 8);
sd->devtype = devtype;
ccissscsi[ctlr].ndevices++;
@@ -390,7 +435,8 @@ cciss_scsi_add_entry(int ctlr, int hostno,
}
static void
-cciss_scsi_remove_entry(int ctlr, int hostno, int entry)
+cciss_scsi_remove_entry(int ctlr, int hostno, int entry,
+ struct scsi2map *removed, int *nremoved)
{
/* assumes hba[ctlr]->scsi_ctlr->lock is held */
int i;
@@ -398,6 +444,10 @@ cciss_scsi_remove_entry(int ctlr, int hostno, int entry)
if (entry < 0 || entry >= CCISS_MAX_SCSI_DEVS_PER_HBA) return;
sd = ccissscsi[ctlr].dev[entry];
+ removed[*nremoved].bus = sd.bus;
+ removed[*nremoved].target = sd.target;
+ removed[*nremoved].lun = sd.lun;
+ (*nremoved)++;
for (i=entry;i<ccissscsi[ctlr].ndevices-1;i++)
ccissscsi[ctlr].dev[i] = ccissscsi[ctlr].dev[i+1];
ccissscsi[ctlr].ndevices--;
@@ -417,6 +467,26 @@ cciss_scsi_remove_entry(int ctlr, int hostno, int entry)
(a)[1] == (b)[1] && \
(a)[0] == (b)[0])
+static void fixup_botched_add(int ctlr, char *scsi3addr)
+{
+ /* called when scsi_add_device fails in order to re-adjust */
+ /* ccissscsi[] to match the mid layer's view. */
+ unsigned long flags;
+ int i, j;
+ CPQ_TAPE_LOCK(ctlr, flags);
+ for (i = 0; i < ccissscsi[ctlr].ndevices; i++) {
+ if (memcmp(scsi3addr,
+ ccissscsi[ctlr].dev[i].scsi3addr, 8) == 0) {
+ for (j = i; j < ccissscsi[ctlr].ndevices-1; j++)
+ ccissscsi[ctlr].dev[j] =
+ ccissscsi[ctlr].dev[j+1];
+ ccissscsi[ctlr].ndevices--;
+ break;
+ }
+ }
+ CPQ_TAPE_UNLOCK(ctlr, flags);
+}
+
static int
adjust_cciss_scsi_table(int ctlr, int hostno,
struct cciss_scsi_dev_t sd[], int nsds)
@@ -429,13 +499,33 @@ adjust_cciss_scsi_table(int ctlr, int hostno,
int i,j, found, changes=0;
struct cciss_scsi_dev_t *csd;
unsigned long flags;
+ struct scsi2map *added, *removed;
+ int nadded, nremoved;
+ struct Scsi_Host *sh = NULL;
+
+ added = kzalloc(sizeof(*added) * CCISS_MAX_SCSI_DEVS_PER_HBA,
+ GFP_KERNEL);
+ removed = kzalloc(sizeof(*removed) * CCISS_MAX_SCSI_DEVS_PER_HBA,
+ GFP_KERNEL);
+
+ if (!added || !removed) {
+ printk(KERN_WARNING "cciss%d: Out of memory in "
+ "adjust_cciss_scsi_table\n", ctlr);
+ goto free_and_out;
+ }
CPQ_TAPE_LOCK(ctlr, flags);
+ if (hostno != -1) /* if it's not the first time... */
+ sh = ((struct cciss_scsi_adapter_data_t *)
+ hba[ctlr]->scsi_ctlr)->scsi_host;
+
/* find any devices in ccissscsi[] that are not in
sd[] and remove them from ccissscsi[] */
i = 0;
+ nremoved = 0;
+ nadded = 0;
while(i<ccissscsi[ctlr].ndevices) {
csd = &ccissscsi[ctlr].dev[i];
found=0;
@@ -455,8 +545,9 @@ adjust_cciss_scsi_table(int ctlr, int hostno,
/* printk("cciss%d: %s device c%db%dt%dl%d removed.\n",
ctlr, scsi_device_type(csd->devtype), hostno,
csd->bus, csd->target, csd->lun); */
- cciss_scsi_remove_entry(ctlr, hostno, i);
- /* note, i not incremented */
+ cciss_scsi_remove_entry(ctlr, hostno, i,
+ removed, &nremoved);
+ /* remove ^^^, hence i not incremented */
}
else if (found == 1) { /* device is different kind */
changes++;
@@ -464,8 +555,15 @@ adjust_cciss_scsi_table(int ctlr, int hostno,
"(device type now %s).\n",
ctlr, hostno, csd->bus, csd->target, csd->lun,
scsi_device_type(csd->devtype));
+ cciss_scsi_remove_entry(ctlr, hostno, i,
+ removed, &nremoved);
+ /* remove ^^^, hence i not incremented */
+ if (cciss_scsi_add_entry(ctlr, hostno,
+ &sd[j].scsi3addr[0], sd[j].devtype,
+ added, &nadded) != 0)
+ /* we just removed one, so add can't fail. */
+ BUG();
csd->devtype = sd[j].devtype;
- i++; /* so just move along. */
} else /* device is same as it ever was, */
i++; /* so just move along. */
}
@@ -489,7 +587,9 @@ adjust_cciss_scsi_table(int ctlr, int hostno,
if (!found) {
changes++;
if (cciss_scsi_add_entry(ctlr, hostno,
- &sd[i].scsi3addr[0], sd[i].devtype) != 0)
+
+ &sd[i].scsi3addr[0], sd[i].devtype,
+ added, &nadded) != 0)
break;
} else if (found == 1) {
/* should never happen... */
@@ -501,9 +601,50 @@ adjust_cciss_scsi_table(int ctlr, int hostno,
}
CPQ_TAPE_UNLOCK(ctlr, flags);
- if (!changes)
- printk("cciss%d: No device changes detected.\n", ctlr);
+ /* Don't notify scsi mid layer of any changes the first time through */
+ /* (or if there are no changes) scsi_scan_host will do it later the */
+ /* first time through. */
+ if (hostno == -1 || !changes)
+ goto free_and_out;
+
+ /* Notify scsi mid layer of any removed devices */
+ for (i = 0; i < nremoved; i++) {
+ struct scsi_device *sdev =
+ scsi_device_lookup(sh, removed[i].bus,
+ removed[i].target, removed[i].lun);
+ if (sdev != NULL) {
+ scsi_remove_device(sdev);
+ scsi_device_put(sdev);
+ } else {
+ /* We don't expect to get here. */
+ /* future cmds to this device will get selection */
+ /* timeout as if the device was gone. */
+ printk(KERN_WARNING "cciss%d: didn't find "
+ "c%db%dt%dl%d\n for removal.",
+ ctlr, hostno, removed[i].bus,
+ removed[i].target, removed[i].lun);
+ }
+ }
+
+ /* Notify scsi mid layer of any added devices */
+ for (i = 0; i < nadded; i++) {
+ int rc;
+ rc = scsi_add_device(sh, added[i].bus,
+ added[i].target, added[i].lun);
+ if (rc == 0)
+ continue;
+ printk(KERN_WARNING "cciss%d: scsi_add_device "
+ "c%db%dt%dl%d failed, device not added.\n",
+ ctlr, hostno,
+ added[i].bus, added[i].target, added[i].lun);
+ /* now we have to remove it from ccissscsi, */
+ /* since it didn't get added to scsi mid layer */
+ fixup_botched_add(ctlr, added[i].scsi3addr);
+ }
+free_and_out:
+ kfree(added);
+ kfree(removed);
return 0;
}
@@ -1355,32 +1496,6 @@ cciss_unregister_scsi(int ctlr)
}
static int
-cciss_register_scsi(int ctlr)
-{
- unsigned long flags;
-
- CPQ_TAPE_LOCK(ctlr, flags);
-
- /* Since this is really a block driver, the SCSI core may not be
- initialized at init time, in which case, calling scsi_register_host
- would hang. Instead, we do it later, via /proc filesystem
- and rc scripts, when we know SCSI core is good to go. */
-
- /* Only register if SCSI devices are detected. */
- if (ccissscsi[ctlr].ndevices != 0) {
- ((struct cciss_scsi_adapter_data_t *)
- hba[ctlr]->scsi_ctlr)->registered = 1;
- CPQ_TAPE_UNLOCK(ctlr, flags);
- return cciss_scsi_detect(ctlr);
- }
- CPQ_TAPE_UNLOCK(ctlr, flags);
- printk(KERN_INFO
- "cciss%d: No appropriate SCSI device detected, "
- "SCSI subsystem not engaged.\n", ctlr);
- return 0;
-}
-
-static int
cciss_engage_scsi(int ctlr)
{
struct cciss_scsi_adapter_data_t *sa;
@@ -1391,15 +1506,15 @@ cciss_engage_scsi(int ctlr)
sa = (struct cciss_scsi_adapter_data_t *) hba[ctlr]->scsi_ctlr;
stk = &sa->cmd_stack;
- if (((struct cciss_scsi_adapter_data_t *)
- hba[ctlr]->scsi_ctlr)->registered) {
+ if (sa->registered) {
printk("cciss%d: SCSI subsystem already engaged.\n", ctlr);
spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
return ENXIO;
}
+ sa->registered = 1;
spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
cciss_update_non_disk_devices(ctlr, -1);
- cciss_register_scsi(ctlr);
+ cciss_scsi_detect(ctlr);
return 0;
}
@@ -1493,7 +1608,5 @@ static int cciss_eh_abort_handler(struct scsi_cmnd *scsicmd)
/* If no tape support, then these become defined out of existence */
#define cciss_scsi_setup(cntl_num)
-#define cciss_unregister_scsi(ctlr)
-#define cciss_register_scsi(ctlr)
#endif /* CONFIG_CISS_SCSI_TAPE */
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 9ae05c58423..3ca643cafcc 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -154,8 +154,8 @@ static int blkif_getgeo(struct block_device *bd, struct hd_geometry *hg)
return 0;
}
-int blkif_ioctl(struct inode *inode, struct file *filep,
- unsigned command, unsigned long argument)
+static int blkif_ioctl(struct inode *inode, struct file *filep,
+ unsigned command, unsigned long argument)
{
struct blkfront_info *info =
inode->i_bdev->bd_disk->private_data;
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index d0ac944e169..caff85149b9 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -8,7 +8,7 @@ config VT
bool "Virtual terminal" if EMBEDDED
depends on !S390
select INPUT
- default y if !VIOCONS
+ default y
---help---
If you say Y here, you will get support for terminal devices with
display and keyboard devices. These are called "virtual" because you
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 8a161c30e1d..6850f6da757 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -55,7 +55,6 @@ obj-$(CONFIG_RAW_DRIVER) += raw.o
obj-$(CONFIG_SGI_SNSC) += snsc.o snsc_event.o
obj-$(CONFIG_MSPEC) += mspec.o
obj-$(CONFIG_MMTIMER) += mmtimer.o
-obj-$(CONFIG_VIOCONS) += viocons.o
obj-$(CONFIG_VIOTAPE) += viotape.o
obj-$(CONFIG_HVCS) += hvcs.o
obj-$(CONFIG_IBM_BSR) += bsr.o
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 3530ff417a5..6e763e3f5a8 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -1254,7 +1254,7 @@ static int rs_break(struct tty_struct *tty, int break_state)
unsigned long flags;
if (serial_paranoia_check(info, tty->name, "rs_break"))
- return;
+ return -EINVAL;
local_irq_save(flags);
if (break_state == -1)
diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c
deleted file mode 100644
index 65fb848e1cc..00000000000
--- a/drivers/char/viocons.c
+++ /dev/null
@@ -1,1171 +0,0 @@
-/* -*- linux-c -*-
- *
- * drivers/char/viocons.c
- *
- * iSeries Virtual Terminal
- *
- * Authors: Dave Boutcher <boutcher@us.ibm.com>
- * Ryan Arnold <ryanarn@us.ibm.com>
- * Colin Devilbiss <devilbis@us.ibm.com>
- * Stephen Rothwell
- *
- * (C) Copyright 2000, 2001, 2002, 2003, 2004 IBM Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) anyu later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <linux/kernel.h>
-#include <linux/proc_fs.h>
-#include <linux/errno.h>
-#include <linux/vmalloc.h>
-#include <linux/mm.h>
-#include <linux/console.h>
-#include <linux/module.h>
-#include <asm/uaccess.h>
-#include <linux/init.h>
-#include <linux/wait.h>
-#include <linux/spinlock.h>
-#include <asm/ioctls.h>
-#include <linux/kd.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/sysrq.h>
-
-#include <asm/firmware.h>
-#include <asm/iseries/vio.h>
-#include <asm/iseries/hv_lp_event.h>
-#include <asm/iseries/hv_call_event.h>
-#include <asm/iseries/hv_lp_config.h>
-#include <asm/iseries/hv_call.h>
-
-#ifdef CONFIG_VT
-#error You must turn off CONFIG_VT to use CONFIG_VIOCONS
-#endif
-
-#define VIOTTY_MAGIC (0x0DCB)
-#define VTTY_PORTS 10
-
-#define VIOCONS_KERN_WARN KERN_WARNING "viocons: "
-#define VIOCONS_KERN_INFO KERN_INFO "viocons: "
-
-static DEFINE_SPINLOCK(consolelock);
-static DEFINE_SPINLOCK(consoleloglock);
-
-static int vio_sysrq_pressed;
-
-#define VIOCHAR_NUM_BUF 16
-
-/*
- * Our port information. We store a pointer to one entry in the
- * tty_driver_data
- */
-static struct port_info {
- int magic;
- struct tty_struct *tty;
- HvLpIndex lp;
- u8 vcons;
- u64 seq; /* sequence number of last HV send */
- u64 ack; /* last ack from HV */
-/*
- * When we get writes faster than we can send it to the partition,
- * buffer the data here. Note that used is a bit map of used buffers.
- * It had better have enough bits to hold VIOCHAR_NUM_BUF the bitops assume
- * it is a multiple of unsigned long
- */
- unsigned long used;
- u8 *buffer[VIOCHAR_NUM_BUF];
- int bufferBytes[VIOCHAR_NUM_BUF];
- int curbuf;
- int bufferOverflow;
- int overflowMessage;
-} port_info[VTTY_PORTS];
-
-#define viochar_is_console(pi) ((pi) == &port_info[0])
-#define viochar_port(pi) ((pi) - &port_info[0])
-
-static void initDataEvent(struct viocharlpevent *viochar, HvLpIndex lp);
-
-static struct tty_driver *viotty_driver;
-
-static void hvlog(char *fmt, ...)
-{
- int i;
- unsigned long flags;
- va_list args;
- static char buf[256];
-
- spin_lock_irqsave(&consoleloglock, flags);
- va_start(args, fmt);
- i = vscnprintf(buf, sizeof(buf) - 1, fmt, args);
- va_end(args);
- buf[i++] = '\r';
- HvCall_writeLogBuffer(buf, i);
- spin_unlock_irqrestore(&consoleloglock, flags);
-}
-
-static void hvlogOutput(const char *buf, int count)
-{
- unsigned long flags;
- int begin;
- int index;
- static const char cr = '\r';
-
- begin = 0;
- spin_lock_irqsave(&consoleloglock, flags);
- for (index = 0; index < count; index++) {
- if (buf[index] == '\n') {
- /*
- * Start right after the last '\n' or at the zeroth
- * array position and output the number of characters
- * including the newline.
- */
- HvCall_writeLogBuffer(&buf[begin], index - begin + 1);
- begin = index + 1;
- HvCall_writeLogBuffer(&cr, 1);
- }
- }
- if ((index - begin) > 0)
- HvCall_writeLogBuffer(&buf[begin], index - begin);
- spin_unlock_irqrestore(&consoleloglock, flags);
-}
-
-/*
- * Make sure we're pointing to a valid port_info structure. Shamelessly
- * plagerized from serial.c
- */
-static inline int viotty_paranoia_check(struct port_info *pi,
- char *name, const char *routine)
-{
- static const char *bad_pi_addr = VIOCONS_KERN_WARN
- "warning: bad address for port_info struct (%s) in %s\n";
- static const char *badmagic = VIOCONS_KERN_WARN
- "warning: bad magic number for port_info struct (%s) in %s\n";
-
- if ((pi < &port_info[0]) || (viochar_port(pi) > VTTY_PORTS)) {
- printk(bad_pi_addr, name, routine);
- return 1;
- }
- if (pi->magic != VIOTTY_MAGIC) {
- printk(badmagic, name, routine);
- return 1;
- }
- return 0;
-}
-
-/*
- * Add data to our pending-send buffers.
- *
- * NOTE: Don't use printk in here because it gets nastily recursive.
- * hvlog can be used to log to the hypervisor buffer
- */
-static int buffer_add(struct port_info *pi, const char *buf, size_t len)
-{
- size_t bleft;
- size_t curlen;
- const char *curbuf;
- int nextbuf;
-
- curbuf = buf;
- bleft = len;
- while (bleft > 0) {
- /*
- * If there is no space left in the current buffer, we have
- * filled everything up, so return. If we filled the previous
- * buffer we would already have moved to the next one.
- */
- if (pi->bufferBytes[pi->curbuf] == VIOCHAR_MAX_DATA) {
- hvlog ("\n\rviocons: No overflow buffer available for memcpy().\n");
- pi->bufferOverflow++;
- pi->overflowMessage = 1;
- break;
- }
-
- /*
- * Turn on the "used" bit for this buffer. If it's already on,
- * that's fine.
- */
- set_bit(pi->curbuf, &pi->used);
-
- /*
- * See if this buffer has been allocated. If not, allocate it.
- */
- if (pi->buffer[pi->curbuf] == NULL) {
- pi->buffer[pi->curbuf] =
- kmalloc(VIOCHAR_MAX_DATA, GFP_ATOMIC);
- if (pi->buffer[pi->curbuf] == NULL) {
- hvlog("\n\rviocons: kmalloc failed allocating spaces for buffer %d.",
- pi->curbuf);
- break;
- }
- }
-
- /* Figure out how much we can copy into this buffer. */
- if (bleft < (VIOCHAR_MAX_DATA - pi->bufferBytes[pi->curbuf]))
- curlen = bleft;
- else
- curlen = VIOCHAR_MAX_DATA - pi->bufferBytes[pi->curbuf];
-
- /* Copy the data into the buffer. */
- memcpy(pi->buffer[pi->curbuf] + pi->bufferBytes[pi->curbuf],
- curbuf, curlen);
-
- pi->bufferBytes[pi->curbuf] += curlen;
- curbuf += curlen;
- bleft -= curlen;
-
- /*
- * Now see if we've filled this buffer. If not then
- * we'll try to use it again later. If we've filled it
- * up then we'll advance the curbuf to the next in the
- * circular queue.
- */
- if (pi->bufferBytes[pi->curbuf] == VIOCHAR_MAX_DATA) {
- nextbuf = (pi->curbuf + 1) % VIOCHAR_NUM_BUF;
- /*
- * Move to the next buffer if it hasn't been used yet
- */
- if (test_bit(nextbuf, &pi->used) == 0)
- pi->curbuf = nextbuf;
- }
- }
- return len - bleft;
-}
-
-/*
- * Send pending data
- *
- * NOTE: Don't use printk in here because it gets nastily recursive.
- * hvlog can be used to log to the hypervisor buffer
- */
-static void send_buffers(struct port_info *pi)
-{
- HvLpEvent_Rc hvrc;
- int nextbuf;
- struct viocharlpevent *viochar;
- unsigned long flags;
-
- spin_lock_irqsave(&consolelock, flags);
-
- viochar = (struct viocharlpevent *)
- vio_get_event_buffer(viomajorsubtype_chario);
-
- /* Make sure we got a buffer */
- if (viochar == NULL) {
- hvlog("\n\rviocons: Can't get viochar buffer in sendBuffers().");
- spin_unlock_irqrestore(&consolelock, flags);
- return;
- }
-
- if (pi->used == 0) {
- hvlog("\n\rviocons: in sendbuffers(), but no buffers used.\n");
- vio_free_event_buffer(viomajorsubtype_chario, viochar);
- spin_unlock_irqrestore(&consolelock, flags);
- return;
- }
-
- /*
- * curbuf points to the buffer we're filling. We want to
- * start sending AFTER this one.
- */
- nextbuf = (pi->curbuf + 1) % VIOCHAR_NUM_BUF;
-
- /*
- * Loop until we find a buffer with the used bit on
- */
- while (test_bit(nextbuf, &pi->used) == 0)
- nextbuf = (nextbuf + 1) % VIOCHAR_NUM_BUF;
-
- initDataEvent(viochar, pi->lp);
-
- /*
- * While we have buffers with data, and our send window
- * is open, send them
- */
- while ((test_bit(nextbuf, &pi->used)) &&
- ((pi->seq - pi->ack) < VIOCHAR_WINDOW)) {
- viochar->len = pi->bufferBytes[nextbuf];
- viochar->event.xCorrelationToken = pi->seq++;
- viochar->event.xSizeMinus1 =
- offsetof(struct viocharlpevent, data) + viochar->len;
-
- memcpy(viochar->data, pi->buffer[nextbuf], viochar->len);
-
- hvrc = HvCallEvent_signalLpEvent(&viochar->event);
- if (hvrc) {
- /*
- * MUST unlock the spinlock before doing a printk
- */
- vio_free_event_buffer(viomajorsubtype_chario, viochar);
- spin_unlock_irqrestore(&consolelock, flags);
-
- printk(VIOCONS_KERN_WARN
- "error sending event! return code %d\n",
- (int)hvrc);
- return;
- }
-
- /*
- * clear the used bit, zero the number of bytes in
- * this buffer, and move to the next buffer
- */
- clear_bit(nextbuf, &pi->used);
- pi->bufferBytes[nextbuf] = 0;
- nextbuf = (nextbuf + 1) % VIOCHAR_NUM_BUF;
- }
-
- /*
- * If we have emptied all the buffers, start at 0 again.
- * this will re-use any allocated buffers
- */
- if (pi->used == 0) {
- pi->curbuf = 0;
-
- if (pi->overflowMessage)
- pi->overflowMessage = 0;
-
- if (pi->tty) {
- tty_wakeup(pi->tty);
- }
- }
-
- vio_free_event_buffer(viomajorsubtype_chario, viochar);
- spin_unlock_irqrestore(&consolelock, flags);
-}
-
-/*
- * Our internal writer. Gets called both from the console device and
- * the tty device. the tty pointer will be NULL if called from the console.
- * Return total number of bytes "written".
- *
- * NOTE: Don't use printk in here because it gets nastily recursive. hvlog
- * can be used to log to the hypervisor buffer
- */
-static int internal_write(struct port_info *pi, const char *buf, size_t len)
-{
- HvLpEvent_Rc hvrc;
- size_t bleft;
- size_t curlen;
- const char *curbuf;
- unsigned long flags;
- struct viocharlpevent *viochar;
-
- /*
- * Write to the hvlog of inbound data are now done prior to
- * calling internal_write() since internal_write() is only called in
- * the event that an lp event path is active, which isn't the case for
- * logging attempts prior to console initialization.
- *
- * If there is already data queued for this port, send it prior to
- * attempting to send any new data.
- */
- if (pi->used)
- send_buffers(pi);
-
- spin_lock_irqsave(&consolelock, flags);
-
- viochar = vio_get_event_buffer(viomajorsubtype_chario);
- if (viochar == NULL) {
- spin_unlock_irqrestore(&consolelock, flags);
- hvlog("\n\rviocons: Can't get vio buffer in internal_write().");
- return -EAGAIN;
- }
- initDataEvent(viochar, pi->lp);
-
- curbuf = buf;
- bleft = len;
-
- while ((bleft > 0) && (pi->used == 0) &&
- ((pi->seq - pi->ack) < VIOCHAR_WINDOW)) {
- if (bleft > VIOCHAR_MAX_DATA)
- curlen = VIOCHAR_MAX_DATA;
- else
- curlen = bleft;
-
- viochar->event.xCorrelationToken = pi->seq++;
- memcpy(viochar->data, curbuf, curlen);
- viochar->len = curlen;
- viochar->event.xSizeMinus1 =
- offsetof(struct viocharlpevent, data) + curlen;
-
- hvrc = HvCallEvent_signalLpEvent(&viochar->event);
- if (hvrc) {
- hvlog("viocons: error sending event! %d\n", (int)hvrc);
- goto out;
- }
- curbuf += curlen;
- bleft -= curlen;
- }
-
- /* If we didn't send it all, buffer as much of it as we can. */
- if (bleft > 0)
- bleft -= buffer_add(pi, curbuf, bleft);
-out:
- vio_free_event_buffer(viomajorsubtype_chario, viochar);
- spin_unlock_irqrestore(&consolelock, flags);
- return len - bleft;
-}
-
-static struct port_info *get_port_data(struct tty_struct *tty)
-{
- unsigned long flags;
- struct port_info *pi;
-
- spin_lock_irqsave(&consolelock, flags);
- if (tty) {
- pi = (struct port_info *)tty->driver_data;
- if (!pi || viotty_paranoia_check(pi, tty->name,
- "get_port_data")) {
- pi = NULL;
- }
- } else
- /*
- * If this is the console device, use the lp from
- * the first port entry
- */
- pi = &port_info[0];
- spin_unlock_irqrestore(&consolelock, flags);
- return pi;
-}
-
-/*
- * Initialize the common fields in a charLpEvent
- */
-static void initDataEvent(struct viocharlpevent *viochar, HvLpIndex lp)
-{
- struct HvLpEvent *hev = &viochar->event;
-
- memset(viochar, 0, sizeof(struct viocharlpevent));
-
- hev->flags = HV_LP_EVENT_VALID | HV_LP_EVENT_DEFERRED_ACK |
- HV_LP_EVENT_INT;
- hev->xType = HvLpEvent_Type_VirtualIo;
- hev->xSubtype = viomajorsubtype_chario | viochardata;
- hev->xSourceLp = HvLpConfig_getLpIndex();
- hev->xTargetLp = lp;
- hev->xSizeMinus1 = sizeof(struct viocharlpevent);
- hev->xSourceInstanceId = viopath_sourceinst(lp);
- hev->xTargetInstanceId = viopath_targetinst(lp);
-}
-
-/*
- * early console device write
- */
-static void viocons_write_early(struct console *co, const char *s, unsigned count)
-{
- hvlogOutput(s, count);
-}
-
-/*
- * console device write
- */
-static void viocons_write(struct console *co, const char *s, unsigned count)
-{
- int index;
- int begin;
- struct port_info *pi;
-
- static const char cr = '\r';
-
- /*
- * Check port data first because the target LP might be valid but
- * simply not active, in which case we want to hvlog the output.
- */
- pi = get_port_data(NULL);
- if (pi == NULL) {
- hvlog("\n\rviocons_write: unable to get port data.");
- return;
- }
-
- hvlogOutput(s, count);
-
- if (!viopath_isactive(pi->lp))
- return;
-
- /*
- * Any newline character found will cause a
- * carriage return character to be emitted as well.
- */
- begin = 0;
- for (index = 0; index < count; index++) {
- if (s[index] == '\n') {
- /*
- * Newline found. Print everything up to and
- * including the newline
- */
- internal_write(pi, &s[begin], index - begin + 1);
- begin = index + 1;
- /* Emit a carriage return as well */
- internal_write(pi, &cr, 1);
- }
- }
-
- /* If any characters left to write, write them now */
- if ((index - begin) > 0)
- internal_write(pi, &s[begin], index - begin);
-}
-
-/*
- * Work out the device associate with this console
- */
-static struct tty_driver *viocons_device(struct console *c, int *index)
-{
- *index = c->index;
- return viotty_driver;
-}
-
-/*
- * console device I/O methods
- */
-static struct console viocons_early = {
- .name = "viocons",
- .write = viocons_write_early,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
-static struct console viocons = {
- .name = "viocons",
- .write = viocons_write,
- .device = viocons_device,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
-/*
- * TTY Open method
- */
-static int viotty_open(struct tty_struct *tty, struct file *filp)
-{
- int port;
- unsigned long flags;
- struct port_info *pi;
-
- port = tty->index;
-
- if ((port < 0) || (port >= VTTY_PORTS))
- return -ENODEV;
-
- spin_lock_irqsave(&consolelock, flags);
-
- pi = &port_info[port];
- /* If some other TTY is already connected here, reject the open */
- if ((pi->tty) && (pi->tty != tty)) {
- spin_unlock_irqrestore(&consolelock, flags);
- printk(VIOCONS_KERN_WARN
- "attempt to open device twice from different ttys\n");
- return -EBUSY;
- }
- tty->driver_data = pi;
- pi->tty = tty;
- spin_unlock_irqrestore(&consolelock, flags);
-
- return 0;
-}
-
-/*
- * TTY Close method
- */
-static void viotty_close(struct tty_struct *tty, struct file *filp)
-{
- unsigned long flags;
- struct port_info *pi;
-
- spin_lock_irqsave(&consolelock, flags);
- pi = (struct port_info *)tty->driver_data;
-
- if (!pi || viotty_paranoia_check(pi, tty->name, "viotty_close")) {
- spin_unlock_irqrestore(&consolelock, flags);
- return;
- }
- if (tty->count == 1)
- pi->tty = NULL;
- spin_unlock_irqrestore(&consolelock, flags);
-}
-
-/*
- * TTY Write method
- */
-static int viotty_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
-{
- struct port_info *pi;
-
- pi = get_port_data(tty);
- if (pi == NULL) {
- hvlog("\n\rviotty_write: no port data.");
- return -ENODEV;
- }
-
- if (viochar_is_console(pi))
- hvlogOutput(buf, count);
-
- /*
- * If the path to this LP is closed, don't bother doing anything more.
- * just dump the data on the floor and return count. For some reason
- * some user level programs will attempt to probe available tty's and
- * they'll attempt a viotty_write on an invalid port which maps to an
- * invalid target lp. If this is the case then ignore the
- * viotty_write call and, since the viopath isn't active to this
- * partition, return count.
- */
- if (!viopath_isactive(pi->lp))
- return count;
-
- return internal_write(pi, buf, count);
-}
-
-/*
- * TTY put_char method
- */
-static int viotty_put_char(struct tty_struct *tty, unsigned char ch)
-{
- struct port_info *pi;
-
- pi = get_port_data(tty);
- if (pi == NULL)
- return 0;
-
- /* This will append '\r' as well if the char is '\n' */
- if (viochar_is_console(pi))
- hvlogOutput(&ch, 1);
-
- if (viopath_isactive(pi->lp))
- internal_write(pi, &ch, 1);
- return 1;
-}
-
-/*
- * TTY write_room method
- */
-static int viotty_write_room(struct tty_struct *tty)
-{
- int i;
- int room = 0;
- struct port_info *pi;
- unsigned long flags;
-
- spin_lock_irqsave(&consolelock, flags);
- pi = (struct port_info *)tty->driver_data;
- if (!pi || viotty_paranoia_check(pi, tty->name, "viotty_write_room")) {
- spin_unlock_irqrestore(&consolelock, flags);
- return 0;
- }
-
- /* If no buffers are used, return the max size. */
- if (pi->used == 0) {
- spin_unlock_irqrestore(&consolelock, flags);
- return VIOCHAR_MAX_DATA * VIOCHAR_NUM_BUF;
- }
-
- /*
- * We retain the spinlock because we want to get an accurate
- * count and it can change on us between each operation if we
- * don't hold the spinlock.
- */
- for (i = 0; ((i < VIOCHAR_NUM_BUF) && (room < VIOCHAR_MAX_DATA)); i++)
- room += (VIOCHAR_MAX_DATA - pi->bufferBytes[i]);
- spin_unlock_irqrestore(&consolelock, flags);
-
- if (room > VIOCHAR_MAX_DATA)
- room = VIOCHAR_MAX_DATA;
- return room;
-}
-
-/*
- * TTY chars_in_buffer method
- */
-static int viotty_chars_in_buffer(struct tty_struct *tty)
-{
- return 0;
-}
-
-static int viotty_ioctl(struct tty_struct *tty, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- switch (cmd) {
- /*
- * the ioctls below read/set the flags usually shown in the leds
- * don't use them - they will go away without warning
- */
- case KDGETLED:
- case KDGKBLED:
- return put_user(0, (char *)arg);
-
- case KDSKBLED:
- return 0;
- }
- /* FIXME: WTF is this being called for ??? */
- lock_kernel();
- ret = n_tty_ioctl(tty, file, cmd, arg);
- unlock_kernel();
- return ret;
-}
-
-/*
- * Handle an open charLpEvent. Could be either interrupt or ack
- */
-static void vioHandleOpenEvent(struct HvLpEvent *event)
-{
- unsigned long flags;
- struct viocharlpevent *cevent = (struct viocharlpevent *)event;
- u8 port = cevent->virtual_device;
- struct port_info *pi;
- int reject = 0;
-
- if (hvlpevent_is_ack(event)) {
- if (port >= VTTY_PORTS)
- return;
-
- spin_lock_irqsave(&consolelock, flags);
- /* Got the lock, don't cause console output */
-
- pi = &port_info[port];
- if (event->xRc == HvLpEvent_Rc_Good) {
- pi->seq = pi->ack = 0;
- /*
- * This line allows connections from the primary
- * partition but once one is connected from the
- * primary partition nothing short of a reboot
- * of linux will allow access from the hosting
- * partition again without a required iSeries fix.
- */
- pi->lp = event->xTargetLp;
- }
-
- spin_unlock_irqrestore(&consolelock, flags);
- if (event->xRc != HvLpEvent_Rc_Good)
- printk(VIOCONS_KERN_WARN
- "handle_open_event: event->xRc == (%d).\n",
- event->xRc);
-
- if (event->xCorrelationToken != 0) {
- atomic_t *aptr= (atomic_t *)event->xCorrelationToken;
- atomic_set(aptr, 1);
- } else
- printk(VIOCONS_KERN_WARN
- "weird...got open ack without atomic\n");
- return;
- }
-
- /* This had better require an ack, otherwise complain */
- if (!hvlpevent_need_ack(event)) {
- printk(VIOCONS_KERN_WARN "viocharopen without ack bit!\n");
- return;
- }
-
- spin_lock_irqsave(&consolelock, flags);
- /* Got the lock, don't cause console output */
-
- /* Make sure this is a good virtual tty */
- if (port >= VTTY_PORTS) {
- event->xRc = HvLpEvent_Rc_SubtypeError;
- cevent->subtype_result_code = viorc_openRejected;
- /*
- * Flag state here since we can't printk while holding
- * a spinlock.
- */
- reject = 1;
- } else {
- pi = &port_info[port];
- if ((pi->lp != HvLpIndexInvalid) &&
- (pi->lp != event->xSourceLp)) {
- /*
- * If this is tty is already connected to a different
- * partition, fail.
- */
- event->xRc = HvLpEvent_Rc_SubtypeError;
- cevent->subtype_result_code = viorc_openRejected;
- reject = 2;
- } else {
- pi->lp = event->xSourceLp;
- event->xRc = HvLpEvent_Rc_Good;
- cevent->subtype_result_code = viorc_good;
- pi->seq = pi->ack = 0;
- reject = 0;
- }
- }
-
- spin_unlock_irqrestore(&consolelock, flags);
-
- if (reject == 1)
- printk(VIOCONS_KERN_WARN "open rejected: bad virtual tty.\n");
- else if (reject == 2)
- printk(VIOCONS_KERN_WARN
- "open rejected: console in exclusive use by another partition.\n");
-
- /* Return the acknowledgement */
- HvCallEvent_ackLpEvent(event);
-}
-
-/*
- * Handle a close charLpEvent. This should ONLY be an Interrupt because the
- * virtual console should never actually issue a close event to the hypervisor
- * because the virtual console never goes away. A close event coming from the
- * hypervisor simply means that there are no client consoles connected to the
- * virtual console.
- *
- * Regardless of the number of connections masqueraded on the other side of
- * the hypervisor ONLY ONE close event should be called to accompany the ONE
- * open event that is called. The close event should ONLY be called when NO
- * MORE connections (masqueraded or not) exist on the other side of the
- * hypervisor.
- */
-static void vioHandleCloseEvent(struct HvLpEvent *event)
-{
- unsigned long flags;
- struct viocharlpevent *cevent = (struct viocharlpevent *)event;
- u8 port = cevent->virtual_device;
-
- if (hvlpevent_is_int(event)) {
- if (port >= VTTY_PORTS) {
- printk(VIOCONS_KERN_WARN
- "close message from invalid virtual device.\n");
- return;
- }
-
- /* For closes, just mark the console partition invalid */
- spin_lock_irqsave(&consolelock, flags);
- /* Got the lock, don't cause console output */
-
- if (port_info[port].lp == event->xSourceLp)
- port_info[port].lp = HvLpIndexInvalid;
-
- spin_unlock_irqrestore(&consolelock, flags);
- printk(VIOCONS_KERN_INFO "close from %d\n", event->xSourceLp);
- } else
- printk(VIOCONS_KERN_WARN
- "got unexpected close acknowlegement\n");
-}
-
-/*
- * Handle a config charLpEvent. Could be either interrupt or ack
- */
-static void vioHandleConfig(struct HvLpEvent *event)
-{
- struct viocharlpevent *cevent = (struct viocharlpevent *)event;
-
- HvCall_writeLogBuffer(cevent->data, cevent->len);
-
- if (cevent->data[0] == 0x01)
- printk(VIOCONS_KERN_INFO "window resized to %d: %d: %d: %d\n",
- cevent->data[1], cevent->data[2],
- cevent->data[3], cevent->data[4]);
- else
- printk(VIOCONS_KERN_WARN "unknown config event\n");
-}
-
-/*
- * Handle a data charLpEvent.
- */
-static void vioHandleData(struct HvLpEvent *event)
-{
- struct tty_struct *tty;
- unsigned long flags;
- struct viocharlpevent *cevent = (struct viocharlpevent *)event;
- struct port_info *pi;
- int index;
- int num_pushed;
- u8 port = cevent->virtual_device;
-
- if (port >= VTTY_PORTS) {
- printk(VIOCONS_KERN_WARN "data on invalid virtual device %d\n",
- port);
- return;
- }
-
- /*
- * Hold the spinlock so that we don't take an interrupt that
- * changes tty between the time we fetch the port_info
- * pointer and the time we paranoia check.
- */
- spin_lock_irqsave(&consolelock, flags);
- pi = &port_info[port];
-
- /*
- * Change 05/01/2003 - Ryan Arnold: If a partition other than
- * the current exclusive partition tries to send us data
- * events then just drop them on the floor because we don't
- * want his stinking data. He isn't authorized to receive
- * data because he wasn't the first one to get the console,
- * therefore he shouldn't be allowed to send data either.
- * This will work without an iSeries fix.
- */
- if (pi->lp != event->xSourceLp) {
- spin_unlock_irqrestore(&consolelock, flags);
- return;
- }
-
- tty = pi->tty;
- if (tty == NULL) {
- spin_unlock_irqrestore(&consolelock, flags);
- printk(VIOCONS_KERN_WARN "no tty for virtual device %d\n",
- port);
- return;
- }
-
- if (tty->magic != TTY_MAGIC) {
- spin_unlock_irqrestore(&consolelock, flags);
- printk(VIOCONS_KERN_WARN "tty bad magic\n");
- return;
- }
-
- /*
- * Just to be paranoid, make sure the tty points back to this port
- */
- pi = (struct port_info *)tty->driver_data;
- if (!pi || viotty_paranoia_check(pi, tty->name, "vioHandleData")) {
- spin_unlock_irqrestore(&consolelock, flags);
- return;
- }
- spin_unlock_irqrestore(&consolelock, flags);
-
- /*
- * Change 07/21/2003 - Ryan Arnold: functionality added to
- * support sysrq utilizing ^O as the sysrq key. The sysrq
- * functionality will only work if built into the kernel and
- * then only if sysrq is enabled through the proc filesystem.
- */
- num_pushed = 0;
- for (index = 0; index < cevent->len; index++) {
- /*
- * Will be optimized away if !CONFIG_MAGIC_SYSRQ:
- */
- if (sysrq_on()) {
- /* 0x0f is the ascii character for ^O */
- if (cevent->data[index] == '\x0f') {
- vio_sysrq_pressed = 1;
- /*
- * continue because we don't want to add
- * the sysrq key into the data string.
- */
- continue;
- } else if (vio_sysrq_pressed) {
- handle_sysrq(cevent->data[index], tty);
- vio_sysrq_pressed = 0;
- /*
- * continue because we don't want to add
- * the sysrq sequence into the data string.
- */
- continue;
- }
- }
- /*
- * The sysrq sequence isn't included in this check if
- * sysrq is enabled and compiled into the kernel because
- * the sequence will never get inserted into the buffer.
- * Don't attempt to copy more data into the buffer than we
- * have room for because it would fail without indication.
- */
- if(tty_insert_flip_char(tty, cevent->data[index], TTY_NORMAL) == 0) {
- printk(VIOCONS_KERN_WARN "input buffer overflow!\n");
- break;
- }
- num_pushed++;
- }
-
- if (num_pushed)
- tty_flip_buffer_push(tty);
-}
-
-/*
- * Handle an ack charLpEvent.
- */
-static void vioHandleAck(struct HvLpEvent *event)
-{
- struct viocharlpevent *cevent = (struct viocharlpevent *)event;
- unsigned long flags;
- u8 port = cevent->virtual_device;
-
- if (port >= VTTY_PORTS) {
- printk(VIOCONS_KERN_WARN "data on invalid virtual device\n");
- return;
- }
-
- spin_lock_irqsave(&consolelock, flags);
- port_info[port].ack = event->xCorrelationToken;
- spin_unlock_irqrestore(&consolelock, flags);
-
- if (port_info[port].used)
- send_buffers(&port_info[port]);
-}
-
-/*
- * Handle charLpEvents and route to the appropriate routine
- */
-static void vioHandleCharEvent(struct HvLpEvent *event)
-{
- int charminor;
-
- if (event == NULL)
- return;
-
- charminor = event->xSubtype & VIOMINOR_SUBTYPE_MASK;
- switch (charminor) {
- case viocharopen:
- vioHandleOpenEvent(event);
- break;
- case viocharclose:
- vioHandleCloseEvent(event);
- break;
- case viochardata:
- vioHandleData(event);
- break;
- case viocharack:
- vioHandleAck(event);
- break;
- case viocharconfig:
- vioHandleConfig(event);
- break;
- default:
- if (hvlpevent_is_int(event) && hvlpevent_need_ack(event)) {
- event->xRc = HvLpEvent_Rc_InvalidSubtype;
- HvCallEvent_ackLpEvent(event);
- }
- }
-}
-
-/*
- * Send an open event
- */
-static int send_open(HvLpIndex remoteLp, void *sem)
-{
- return HvCallEvent_signalLpEventFast(remoteLp,
- HvLpEvent_Type_VirtualIo,
- viomajorsubtype_chario | viocharopen,
- HvLpEvent_AckInd_DoAck, HvLpEvent_AckType_ImmediateAck,
- viopath_sourceinst(remoteLp),
- viopath_targetinst(remoteLp),
- (u64)(unsigned long)sem, VIOVERSION << 16,
- 0, 0, 0, 0);
-}
-
-static const struct tty_operations serial_ops = {
- .open = viotty_open,
- .close = viotty_close,
- .write = viotty_write,
- .put_char = viotty_put_char,
- .write_room = viotty_write_room,
- .chars_in_buffer = viotty_chars_in_buffer,
- .ioctl = viotty_ioctl,
-};
-
-static int __init viocons_init2(void)
-{
- atomic_t wait_flag;
- int rc;
-
- if (!firmware_has_feature(FW_FEATURE_ISERIES))
- return -ENODEV;
-
- /* +2 for fudge */
- rc = viopath_open(HvLpConfig_getPrimaryLpIndex(),
- viomajorsubtype_chario, VIOCHAR_WINDOW + 2);
- if (rc)
- printk(VIOCONS_KERN_WARN "error opening to primary %d\n", rc);
-
- if (viopath_hostLp == HvLpIndexInvalid)
- vio_set_hostlp();
-
- /*
- * And if the primary is not the same as the hosting LP, open to the
- * hosting lp
- */
- if ((viopath_hostLp != HvLpIndexInvalid) &&
- (viopath_hostLp != HvLpConfig_getPrimaryLpIndex())) {
- printk(VIOCONS_KERN_INFO "open path to hosting (%d)\n",
- viopath_hostLp);
- rc = viopath_open(viopath_hostLp, viomajorsubtype_chario,
- VIOCHAR_WINDOW + 2); /* +2 for fudge */
- if (rc)
- printk(VIOCONS_KERN_WARN
- "error opening to partition %d: %d\n",
- viopath_hostLp, rc);
- }
-
- if (vio_setHandler(viomajorsubtype_chario, vioHandleCharEvent) < 0)
- printk(VIOCONS_KERN_WARN
- "error seting handler for console events!\n");
-
- /*
- * First, try to open the console to the hosting lp.
- * Wait on a semaphore for the response.
- */
- atomic_set(&wait_flag, 0);
- if ((viopath_isactive(viopath_hostLp)) &&
- (send_open(viopath_hostLp, (void *)&wait_flag) == 0)) {
- printk(VIOCONS_KERN_INFO "hosting partition %d\n",
- viopath_hostLp);
- while (atomic_read(&wait_flag) == 0)
- mb();
- atomic_set(&wait_flag, 0);
- }
-
- /*
- * If we don't have an active console, try the primary
- */
- if ((!viopath_isactive(port_info[0].lp)) &&
- (viopath_isactive(HvLpConfig_getPrimaryLpIndex())) &&
- (send_open(HvLpConfig_getPrimaryLpIndex(), (void *)&wait_flag)
- == 0)) {
- printk(VIOCONS_KERN_INFO "opening console to primary partition\n");
- while (atomic_read(&wait_flag) == 0)
- mb();
- }
-
- /* Initialize the tty_driver structure */
- viotty_driver = alloc_tty_driver(VTTY_PORTS);
- viotty_driver->owner = THIS_MODULE;
- viotty_driver->driver_name = "vioconsole";
- viotty_driver->name = "tty";
- viotty_driver->name_base = 1;
- viotty_driver->major = TTY_MAJOR;
- viotty_driver->minor_start = 1;
- viotty_driver->type = TTY_DRIVER_TYPE_CONSOLE;
- viotty_driver->subtype = 1;
- viotty_driver->init_termios = tty_std_termios;
- viotty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_RESET_TERMIOS;
- tty_set_operations(viotty_driver, &serial_ops);
-
- if (tty_register_driver(viotty_driver)) {
- printk(VIOCONS_KERN_WARN "couldn't register console driver\n");
- put_tty_driver(viotty_driver);
- viotty_driver = NULL;
- }
-
- unregister_console(&viocons_early);
- register_console(&viocons);
-
- return 0;
-}
-
-static int __init viocons_init(void)
-{
- int i;
-
- if (!firmware_has_feature(FW_FEATURE_ISERIES))
- return -ENODEV;
-
- printk(VIOCONS_KERN_INFO "registering console\n");
- for (i = 0; i < VTTY_PORTS; i++) {
- port_info[i].lp = HvLpIndexInvalid;
- port_info[i].magic = VIOTTY_MAGIC;
- }
- HvCall_setLogBufferFormatAndCodepage(HvCall_LogBuffer_ASCII, 437);
- add_preferred_console("viocons", 0, NULL);
- register_console(&viocons_early);
- return 0;
-}
-
-console_initcall(viocons_init);
-module_init(viocons_init2);
diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c
index bc81d6fcd2f..2e6d5848d21 100644
--- a/drivers/firewire/fw-cdev.c
+++ b/drivers/firewire/fw-cdev.c
@@ -369,22 +369,33 @@ complete_transaction(struct fw_card *card, int rcode,
struct response *response = data;
struct client *client = response->client;
unsigned long flags;
+ struct fw_cdev_event_response *r = &response->response;
- if (length < response->response.length)
- response->response.length = length;
+ if (length < r->length)
+ r->length = length;
if (rcode == RCODE_COMPLETE)
- memcpy(response->response.data, payload,
- response->response.length);
+ memcpy(r->data, payload, r->length);
spin_lock_irqsave(&client->lock, flags);
list_del(&response->resource.link);
spin_unlock_irqrestore(&client->lock, flags);
- response->response.type = FW_CDEV_EVENT_RESPONSE;
- response->response.rcode = rcode;
- queue_event(client, &response->event, &response->response,
- sizeof(response->response) + response->response.length,
- NULL, 0);
+ r->type = FW_CDEV_EVENT_RESPONSE;
+ r->rcode = rcode;
+
+ /*
+ * In the case that sizeof(*r) doesn't align with the position of the
+ * data, and the read is short, preserve an extra copy of the data
+ * to stay compatible with a pre-2.6.27 bug. Since the bug is harmless
+ * for short reads and some apps depended on it, this is both safe
+ * and prudent for compatibility.
+ */
+ if (r->length <= sizeof(*r) - offsetof(typeof(*r), data))
+ queue_event(client, &response->event, r, sizeof(*r),
+ r->data, r->length);
+ else
+ queue_event(client, &response->event, r, sizeof(*r) + r->length,
+ NULL, 0);
}
static int ioctl_send_request(struct client *client, void *buffer)
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index c882fd05cf2..bf4ebfb86fa 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -57,6 +57,16 @@ config SENSORS_ABITUGURU3
This driver can also be built as a module. If so, the module
will be called abituguru3.
+config SENSORS_AD7414
+ tristate "Analog Devices AD7414"
+ depends on I2C && EXPERIMENTAL
+ help
+ If you say yes here you get support for the Analog Devices
+ AD7414 temperature monitoring chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called ad7414.
+
config SENSORS_AD7418
tristate "Analog Devices AD7416, AD7417 and AD7418"
depends on I2C && EXPERIMENTAL
@@ -124,7 +134,7 @@ config SENSORS_ADM1031
config SENSORS_ADM9240
tristate "Analog Devices ADM9240 and compatibles"
- depends on I2C && EXPERIMENTAL
+ depends on I2C
select HWMON_VID
help
If you say yes here you get support for Analog Devices ADM9240,
@@ -575,8 +585,8 @@ config SENSORS_DME1737
select HWMON_VID
help
If you say yes here you get support for the hardware monitoring
- and fan control features of the SMSC DME1737 (and compatibles
- like the Asus A8000) and SCH311x Super-I/O chips.
+ and fan control features of the SMSC DME1737, SCH311x, SCH5027, and
+ Asus A8000 Super-I/O chips.
This driver can also be built as a module. If so, the module
will be called dme1737.
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index d098677e08d..7943e5cefb0 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_SENSORS_W83791D) += w83791d.o
obj-$(CONFIG_SENSORS_ABITUGURU) += abituguru.o
obj-$(CONFIG_SENSORS_ABITUGURU3)+= abituguru3.o
+obj-$(CONFIG_SENSORS_AD7414) += ad7414.o
obj-$(CONFIG_SENSORS_AD7418) += ad7418.o
obj-$(CONFIG_SENSORS_ADM1021) += adm1021.o
obj-$(CONFIG_SENSORS_ADM1025) += adm1025.o
diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c
new file mode 100644
index 00000000000..ce8d94fbfd7
--- /dev/null
+++ b/drivers/hwmon/ad7414.c
@@ -0,0 +1,268 @@
+/*
+ * An hwmon driver for the Analog Devices AD7414
+ *
+ * Copyright 2006 Stefan Roese <sr at denx.de>, DENX Software Engineering
+ *
+ * Copyright (c) 2008 PIKA Technologies
+ * Sean MacLennan <smaclennan@pikatech.com>
+ *
+ * Copyright (c) 2008 Spansion Inc.
+ * Frank Edelhaeuser <frank.edelhaeuser at spansion.com>
+ * (converted to "new style" I2C driver model, removed checkpatch.pl warnings)
+ *
+ * Based on ad7418.c
+ * Copyright 2006 Tower Technologies, Alessandro Zummo <a.zummo at towertech.it>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/sysfs.h>
+
+
+/* AD7414 registers */
+#define AD7414_REG_TEMP 0x00
+#define AD7414_REG_CONF 0x01
+#define AD7414_REG_T_HIGH 0x02
+#define AD7414_REG_T_LOW 0x03
+
+static u8 AD7414_REG_LIMIT[] = { AD7414_REG_T_HIGH, AD7414_REG_T_LOW };
+
+struct ad7414_data {
+ struct device *hwmon_dev;
+ struct mutex lock; /* atomic read data updates */
+ char valid; /* !=0 if following fields are valid */
+ unsigned long next_update; /* In jiffies */
+ s16 temp_input; /* Register values */
+ s8 temps[ARRAY_SIZE(AD7414_REG_LIMIT)];
+};
+
+/* REG: (0.25C/bit, two's complement) << 6 */
+static inline int ad7414_temp_from_reg(s16 reg)
+{
+ /* use integer division instead of equivalent right shift to
+ * guarantee arithmetic shift and preserve the sign
+ */
+ return ((int)reg / 64) * 250;
+}
+
+static inline int ad7414_read(struct i2c_client *client, u8 reg)
+{
+ if (reg == AD7414_REG_TEMP) {
+ int value = i2c_smbus_read_word_data(client, reg);
+ return (value < 0) ? value : swab16(value);
+ } else
+ return i2c_smbus_read_byte_data(client, reg);
+}
+
+static inline int ad7414_write(struct i2c_client *client, u8 reg, u8 value)
+{
+ return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+struct ad7414_data *ad7414_update_device(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct ad7414_data *data = i2c_get_clientdata(client);
+
+ mutex_lock(&data->lock);
+
+ if (time_after(jiffies, data->next_update) || !data->valid) {
+ int value, i;
+
+ dev_dbg(&client->dev, "starting ad7414 update\n");
+
+ value = ad7414_read(client, AD7414_REG_TEMP);
+ if (value < 0)
+ dev_dbg(&client->dev, "AD7414_REG_TEMP err %d\n",
+ value);
+ else
+ data->temp_input = value;
+
+ for (i = 0; i < ARRAY_SIZE(AD7414_REG_LIMIT); ++i) {
+ value = ad7414_read(client, AD7414_REG_LIMIT[i]);
+ if (value < 0)
+ dev_dbg(&client->dev, "AD7414 reg %d err %d\n",
+ AD7414_REG_LIMIT[i], value);
+ else
+ data->temps[i] = value;
+ }
+
+ data->next_update = jiffies + HZ + HZ / 2;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->lock);
+
+ return data;
+}
+
+static ssize_t show_temp_input(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ad7414_data *data = ad7414_update_device(dev);
+ return sprintf(buf, "%d\n", ad7414_temp_from_reg(data->temp_input));
+}
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0);
+
+static ssize_t show_max_min(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int index = to_sensor_dev_attr(attr)->index;
+ struct ad7414_data *data = ad7414_update_device(dev);
+ return sprintf(buf, "%d\n", data->temps[index] * 1000);
+}
+
+static ssize_t set_max_min(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct ad7414_data *data = i2c_get_clientdata(client);
+ int index = to_sensor_dev_attr(attr)->index;
+ u8 reg = AD7414_REG_LIMIT[index];
+ long temp = simple_strtol(buf, NULL, 10);
+
+ temp = SENSORS_LIMIT(temp, -40000, 85000);
+ temp = (temp + (temp < 0 ? -500 : 500)) / 1000;
+
+ mutex_lock(&data->lock);
+ data->temps[index] = temp;
+ ad7414_write(client, reg, temp);
+ mutex_unlock(&data->lock);
+ return count;
+}
+
+static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
+ show_max_min, set_max_min, 0);
+static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO,
+ show_max_min, set_max_min, 1);
+
+static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int bitnr = to_sensor_dev_attr(attr)->index;
+ struct ad7414_data *data = ad7414_update_device(dev);
+ int value = (data->temp_input >> bitnr) & 1;
+ return sprintf(buf, "%d\n", value);
+}
+
+static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 4);
+
+static struct attribute *ad7414_attributes[] = {
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_min.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group ad7414_group = {
+ .attrs = ad7414_attributes,
+};
+
+static int ad7414_probe(struct i2c_client *client,
+ const struct i2c_device_id *dev_id)
+{
+ struct ad7414_data *data;
+ int conf;
+ int err = 0;
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA |
+ I2C_FUNC_SMBUS_READ_WORD_DATA))
+ goto exit;
+
+ data = kzalloc(sizeof(struct ad7414_data), GFP_KERNEL);
+ if (!data) {
+ err = -ENOMEM;
+ goto exit;
+ }
+
+ i2c_set_clientdata(client, data);
+ mutex_init(&data->lock);
+
+ dev_info(&client->dev, "chip found\n");
+
+ /* Make sure the chip is powered up. */
+ conf = i2c_smbus_read_byte_data(client, AD7414_REG_CONF);
+ if (conf < 0)
+ dev_warn(&client->dev,
+ "ad7414_probe unable to read config register.\n");
+ else {
+ conf &= ~(1 << 7);
+ i2c_smbus_write_byte_data(client, AD7414_REG_CONF, conf);
+ }
+
+ /* Register sysfs hooks */
+ err = sysfs_create_group(&client->dev.kobj, &ad7414_group);
+ if (err)
+ goto exit_free;
+
+ data->hwmon_dev = hwmon_device_register(&client->dev);
+ if (IS_ERR(data->hwmon_dev)) {
+ err = PTR_ERR(data->hwmon_dev);
+ goto exit_remove;
+ }
+
+ return 0;
+
+exit_remove:
+ sysfs_remove_group(&client->dev.kobj, &ad7414_group);
+exit_free:
+ kfree(data);
+exit:
+ return err;
+}
+
+static int __devexit ad7414_remove(struct i2c_client *client)
+{
+ struct ad7414_data *data = i2c_get_clientdata(client);
+
+ hwmon_device_unregister(data->hwmon_dev);
+ sysfs_remove_group(&client->dev.kobj, &ad7414_group);
+ kfree(data);
+ return 0;
+}
+
+static const struct i2c_device_id ad7414_id[] = {
+ { "ad7414", 0 },
+ {}
+};
+
+static struct i2c_driver ad7414_driver = {
+ .driver = {
+ .name = "ad7414",
+ },
+ .probe = ad7414_probe,
+ .remove = __devexit_p(ad7414_remove),
+ .id_table = ad7414_id,
+};
+
+static int __init ad7414_init(void)
+{
+ return i2c_add_driver(&ad7414_driver);
+}
+module_init(ad7414_init);
+
+static void __exit ad7414_exit(void)
+{
+ i2c_del_driver(&ad7414_driver);
+}
+module_exit(ad7414_exit);
+
+MODULE_AUTHOR("Stefan Roese <sr at denx.de>, "
+ "Frank Edelhaeuser <frank.edelhaeuser at spansion.com>");
+
+MODULE_DESCRIPTION("AD7414 driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c
index 5e2cf0aef48..cdb8311e4ef 100644
--- a/drivers/hwmon/dme1737.c
+++ b/drivers/hwmon/dme1737.c
@@ -1,11 +1,11 @@
/*
- * dme1737.c - Driver for the SMSC DME1737, Asus A8000, and SMSC SCH311x
- * Super-I/O chips integrated hardware monitoring features.
- * Copyright (c) 2007 Juerg Haefliger <juergh@gmail.com>
+ * dme1737.c - Driver for the SMSC DME1737, Asus A8000, SMSC SCH311x and
+ * SCH5027 Super-I/O chips integrated hardware monitoring features.
+ * Copyright (c) 2007, 2008 Juerg Haefliger <juergh@gmail.com>
*
* This driver is an I2C/ISA hybrid, meaning that it uses the I2C bus to access
- * the chip registers if a DME1737 (or A8000) is found and the ISA bus if a
- * SCH311x chip is found. Both types of chips have very similar hardware
+ * the chip registers if a DME1737, A8000, or SCH5027 is found and the ISA bus
+ * if a SCH311x chip is found. Both types of chips have very similar hardware
* monitoring capabilities but differ in the way they can be accessed.
*
* This program is free software; you can redistribute it and/or modify
@@ -57,7 +57,10 @@ MODULE_PARM_DESC(probe_all_addr, "Include probing of non-standard LPC "
static const unsigned short normal_i2c[] = {0x2c, 0x2d, 0x2e, I2C_CLIENT_END};
/* Insmod parameters */
-I2C_CLIENT_INSMOD_1(dme1737);
+I2C_CLIENT_INSMOD_2(dme1737, sch5027);
+
+/* ISA chip types */
+enum isa_chips { sch311x = sch5027 + 1 };
/* ---------------------------------------------------------------------
* Registers
@@ -163,6 +166,7 @@ static const u8 DME1737_BIT_ALARM_FAN[] = {10, 11, 12, 13, 22, 23};
#define DME1737_VERSTEP 0x88
#define DME1737_VERSTEP_MASK 0xf8
#define SCH311X_DEVICE 0x8c
+#define SCH5027_VERSTEP 0x69
/* Length of ISA address segment */
#define DME1737_EXTENT 2
@@ -182,6 +186,7 @@ struct dme1737_data {
unsigned long last_update; /* in jiffies */
unsigned long last_vbat; /* in jiffies */
enum chips type;
+ const int *in_nominal; /* pointer to IN_NOMINAL array */
u8 vid;
u8 pwm_rr_en;
@@ -220,23 +225,23 @@ static const int IN_NOMINAL_DME1737[] = {5000, 2250, 3300, 5000, 12000, 3300,
3300};
static const int IN_NOMINAL_SCH311x[] = {2500, 1500, 3300, 5000, 12000, 3300,
3300};
-#define IN_NOMINAL(ix, type) (((type) == dme1737) ? \
- IN_NOMINAL_DME1737[(ix)] : \
- IN_NOMINAL_SCH311x[(ix)])
+static const int IN_NOMINAL_SCH5027[] = {5000, 2250, 3300, 1125, 1125, 3300,
+ 3300};
+#define IN_NOMINAL(type) ((type) == sch311x ? IN_NOMINAL_SCH311x : \
+ (type) == sch5027 ? IN_NOMINAL_SCH5027 : \
+ IN_NOMINAL_DME1737)
/* Voltage input
* Voltage inputs have 16 bits resolution, limit values have 8 bits
* resolution. */
-static inline int IN_FROM_REG(int reg, int ix, int res, int type)
+static inline int IN_FROM_REG(int reg, int nominal, int res)
{
- return (reg * IN_NOMINAL(ix, type) + (3 << (res - 3))) /
- (3 << (res - 2));
+ return (reg * nominal + (3 << (res - 3))) / (3 << (res - 2));
}
-static inline int IN_TO_REG(int val, int ix, int type)
+static inline int IN_TO_REG(int val, int nominal)
{
- return SENSORS_LIMIT((val * 192 + IN_NOMINAL(ix, type) / 2) /
- IN_NOMINAL(ix, type), 0, 255);
+ return SENSORS_LIMIT((val * 192 + nominal / 2) / nominal, 0, 255);
}
/* Temperature input
@@ -565,7 +570,10 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
/* Sample register contents every 1 sec */
if (time_after(jiffies, data->last_update + HZ) || !data->valid) {
- data->vid = dme1737_read(client, DME1737_REG_VID) & 0x3f;
+ if (data->type != sch5027) {
+ data->vid = dme1737_read(client, DME1737_REG_VID) &
+ 0x3f;
+ }
/* In (voltage) registers */
for (ix = 0; ix < ARRAY_SIZE(data->in); ix++) {
@@ -593,8 +601,10 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
DME1737_REG_TEMP_MIN(ix));
data->temp_max[ix] = dme1737_read(client,
DME1737_REG_TEMP_MAX(ix));
- data->temp_offset[ix] = dme1737_read(client,
- DME1737_REG_TEMP_OFFSET(ix));
+ if (data->type != sch5027) {
+ data->temp_offset[ix] = dme1737_read(client,
+ DME1737_REG_TEMP_OFFSET(ix));
+ }
}
/* In and temp LSB registers
@@ -669,9 +679,11 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
data->zone_abs[ix] = dme1737_read(client,
DME1737_REG_ZONE_ABS(ix));
}
- for (ix = 0; ix < ARRAY_SIZE(data->zone_hyst); ix++) {
- data->zone_hyst[ix] = dme1737_read(client,
+ if (data->type != sch5027) {
+ for (ix = 0; ix < ARRAY_SIZE(data->zone_hyst); ix++) {
+ data->zone_hyst[ix] = dme1737_read(client,
DME1737_REG_ZONE_HYST(ix));
+ }
}
/* Alarm registers */
@@ -735,13 +747,13 @@ static ssize_t show_in(struct device *dev, struct device_attribute *attr,
switch (fn) {
case SYS_IN_INPUT:
- res = IN_FROM_REG(data->in[ix], ix, 16, data->type);
+ res = IN_FROM_REG(data->in[ix], data->in_nominal[ix], 16);
break;
case SYS_IN_MIN:
- res = IN_FROM_REG(data->in_min[ix], ix, 8, data->type);
+ res = IN_FROM_REG(data->in_min[ix], data->in_nominal[ix], 8);
break;
case SYS_IN_MAX:
- res = IN_FROM_REG(data->in_max[ix], ix, 8, data->type);
+ res = IN_FROM_REG(data->in_max[ix], data->in_nominal[ix], 8);
break;
case SYS_IN_ALARM:
res = (data->alarms >> DME1737_BIT_ALARM_IN[ix]) & 0x01;
@@ -768,12 +780,12 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr,
mutex_lock(&data->update_lock);
switch (fn) {
case SYS_IN_MIN:
- data->in_min[ix] = IN_TO_REG(val, ix, data->type);
+ data->in_min[ix] = IN_TO_REG(val, data->in_nominal[ix]);
dme1737_write(client, DME1737_REG_IN_MIN(ix),
data->in_min[ix]);
break;
case SYS_IN_MAX:
- data->in_max[ix] = IN_TO_REG(val, ix, data->type);
+ data->in_max[ix] = IN_TO_REG(val, data->in_nominal[ix]);
dme1737_write(client, DME1737_REG_IN_MAX(ix),
data->in_max[ix]);
break;
@@ -1166,7 +1178,7 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%d\n", res);
}
-static struct attribute *dme1737_attr_pwm[];
+static struct attribute *dme1737_pwm_chmod_attr[];
static void dme1737_chmod_file(struct device*, struct attribute*, mode_t);
static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
@@ -1230,7 +1242,7 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
switch (val) {
case 0:
/* Change permissions of pwm[ix] to read-only */
- dme1737_chmod_file(dev, dme1737_attr_pwm[ix],
+ dme1737_chmod_file(dev, dme1737_pwm_chmod_attr[ix],
S_IRUGO);
/* Turn fan fully on */
data->pwm_config[ix] = PWM_EN_TO_REG(0,
@@ -1245,12 +1257,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
dme1737_write(client, DME1737_REG_PWM_CONFIG(ix),
data->pwm_config[ix]);
/* Change permissions of pwm[ix] to read-writeable */
- dme1737_chmod_file(dev, dme1737_attr_pwm[ix],
+ dme1737_chmod_file(dev, dme1737_pwm_chmod_attr[ix],
S_IRUGO | S_IWUSR);
break;
case 2:
/* Change permissions of pwm[ix] to read-only */
- dme1737_chmod_file(dev, dme1737_attr_pwm[ix],
+ dme1737_chmod_file(dev, dme1737_pwm_chmod_attr[ix],
S_IRUGO);
/* Turn on auto mode using the saved zone channel
* assignment */
@@ -1570,88 +1582,98 @@ static struct attribute *dme1737_attr[] ={
&sensor_dev_attr_temp1_max.dev_attr.attr,
&sensor_dev_attr_temp1_alarm.dev_attr.attr,
&sensor_dev_attr_temp1_fault.dev_attr.attr,
- &sensor_dev_attr_temp1_offset.dev_attr.attr,
&sensor_dev_attr_temp2_input.dev_attr.attr,
&sensor_dev_attr_temp2_min.dev_attr.attr,
&sensor_dev_attr_temp2_max.dev_attr.attr,
&sensor_dev_attr_temp2_alarm.dev_attr.attr,
&sensor_dev_attr_temp2_fault.dev_attr.attr,
- &sensor_dev_attr_temp2_offset.dev_attr.attr,
&sensor_dev_attr_temp3_input.dev_attr.attr,
&sensor_dev_attr_temp3_min.dev_attr.attr,
&sensor_dev_attr_temp3_max.dev_attr.attr,
&sensor_dev_attr_temp3_alarm.dev_attr.attr,
&sensor_dev_attr_temp3_fault.dev_attr.attr,
- &sensor_dev_attr_temp3_offset.dev_attr.attr,
/* Zones */
- &sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_zone1_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_zone1_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_zone1_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_zone1_auto_channels_temp.dev_attr.attr,
- &sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_zone2_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_zone2_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_zone2_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_zone2_auto_channels_temp.dev_attr.attr,
- &sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_zone3_auto_channels_temp.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group dme1737_group = {
+ .attrs = dme1737_attr,
+};
+
+/* The following struct holds misc attributes, which are not available in all
+ * chips. Their creation depends on the chip type which is determined during
+ * module load. */
+static struct attribute *dme1737_misc_attr[] = {
+ /* Temperatures */
+ &sensor_dev_attr_temp1_offset.dev_attr.attr,
+ &sensor_dev_attr_temp2_offset.dev_attr.attr,
+ &sensor_dev_attr_temp3_offset.dev_attr.attr,
+ /* Zones */
+ &sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr,
+ &sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr,
+ &sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr,
/* Misc */
&dev_attr_vrm.attr,
&dev_attr_cpu0_vid.attr,
NULL
};
-static const struct attribute_group dme1737_group = {
- .attrs = dme1737_attr,
+static const struct attribute_group dme1737_misc_group = {
+ .attrs = dme1737_misc_attr,
};
/* The following structs hold the PWM attributes, some of which are optional.
* Their creation depends on the chip configuration which is determined during
* module load. */
-static struct attribute *dme1737_attr_pwm1[] = {
+static struct attribute *dme1737_pwm1_attr[] = {
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm1_freq.dev_attr.attr,
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
&sensor_dev_attr_pwm1_ramp_rate.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_channels_zone.dev_attr.attr,
- &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_pwm2[] = {
+static struct attribute *dme1737_pwm2_attr[] = {
&sensor_dev_attr_pwm2.dev_attr.attr,
&sensor_dev_attr_pwm2_freq.dev_attr.attr,
&sensor_dev_attr_pwm2_enable.dev_attr.attr,
&sensor_dev_attr_pwm2_ramp_rate.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_channels_zone.dev_attr.attr,
- &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_pwm3[] = {
+static struct attribute *dme1737_pwm3_attr[] = {
&sensor_dev_attr_pwm3.dev_attr.attr,
&sensor_dev_attr_pwm3_freq.dev_attr.attr,
&sensor_dev_attr_pwm3_enable.dev_attr.attr,
&sensor_dev_attr_pwm3_ramp_rate.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_channels_zone.dev_attr.attr,
- &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_pwm5[] = {
+static struct attribute *dme1737_pwm5_attr[] = {
&sensor_dev_attr_pwm5.dev_attr.attr,
&sensor_dev_attr_pwm5_freq.dev_attr.attr,
&sensor_dev_attr_pwm5_enable.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_pwm6[] = {
+static struct attribute *dme1737_pwm6_attr[] = {
&sensor_dev_attr_pwm6.dev_attr.attr,
&sensor_dev_attr_pwm6_freq.dev_attr.attr,
&sensor_dev_attr_pwm6_enable.dev_attr.attr,
@@ -1659,53 +1681,62 @@ static struct attribute *dme1737_attr_pwm6[] = {
};
static const struct attribute_group dme1737_pwm_group[] = {
- { .attrs = dme1737_attr_pwm1 },
- { .attrs = dme1737_attr_pwm2 },
- { .attrs = dme1737_attr_pwm3 },
+ { .attrs = dme1737_pwm1_attr },
+ { .attrs = dme1737_pwm2_attr },
+ { .attrs = dme1737_pwm3_attr },
{ .attrs = NULL },
- { .attrs = dme1737_attr_pwm5 },
- { .attrs = dme1737_attr_pwm6 },
+ { .attrs = dme1737_pwm5_attr },
+ { .attrs = dme1737_pwm6_attr },
+};
+
+/* The following struct holds misc PWM attributes, which are not available in
+ * all chips. Their creation depends on the chip type which is determined
+ * during module load. */
+static struct attribute *dme1737_pwm_misc_attr[] = {
+ &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr,
+ &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr,
+ &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr,
};
/* The following structs hold the fan attributes, some of which are optional.
* Their creation depends on the chip configuration which is determined during
* module load. */
-static struct attribute *dme1737_attr_fan1[] = {
+static struct attribute *dme1737_fan1_attr[] = {
&sensor_dev_attr_fan1_input.dev_attr.attr,
&sensor_dev_attr_fan1_min.dev_attr.attr,
&sensor_dev_attr_fan1_alarm.dev_attr.attr,
&sensor_dev_attr_fan1_type.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_fan2[] = {
+static struct attribute *dme1737_fan2_attr[] = {
&sensor_dev_attr_fan2_input.dev_attr.attr,
&sensor_dev_attr_fan2_min.dev_attr.attr,
&sensor_dev_attr_fan2_alarm.dev_attr.attr,
&sensor_dev_attr_fan2_type.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_fan3[] = {
+static struct attribute *dme1737_fan3_attr[] = {
&sensor_dev_attr_fan3_input.dev_attr.attr,
&sensor_dev_attr_fan3_min.dev_attr.attr,
&sensor_dev_attr_fan3_alarm.dev_attr.attr,
&sensor_dev_attr_fan3_type.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_fan4[] = {
+static struct attribute *dme1737_fan4_attr[] = {
&sensor_dev_attr_fan4_input.dev_attr.attr,
&sensor_dev_attr_fan4_min.dev_attr.attr,
&sensor_dev_attr_fan4_alarm.dev_attr.attr,
&sensor_dev_attr_fan4_type.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_fan5[] = {
+static struct attribute *dme1737_fan5_attr[] = {
&sensor_dev_attr_fan5_input.dev_attr.attr,
&sensor_dev_attr_fan5_min.dev_attr.attr,
&sensor_dev_attr_fan5_alarm.dev_attr.attr,
&sensor_dev_attr_fan5_max.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_fan6[] = {
+static struct attribute *dme1737_fan6_attr[] = {
&sensor_dev_attr_fan6_input.dev_attr.attr,
&sensor_dev_attr_fan6_min.dev_attr.attr,
&sensor_dev_attr_fan6_alarm.dev_attr.attr,
@@ -1714,94 +1745,83 @@ static struct attribute *dme1737_attr_fan6[] = {
};
static const struct attribute_group dme1737_fan_group[] = {
- { .attrs = dme1737_attr_fan1 },
- { .attrs = dme1737_attr_fan2 },
- { .attrs = dme1737_attr_fan3 },
- { .attrs = dme1737_attr_fan4 },
- { .attrs = dme1737_attr_fan5 },
- { .attrs = dme1737_attr_fan6 },
+ { .attrs = dme1737_fan1_attr },
+ { .attrs = dme1737_fan2_attr },
+ { .attrs = dme1737_fan3_attr },
+ { .attrs = dme1737_fan4_attr },
+ { .attrs = dme1737_fan5_attr },
+ { .attrs = dme1737_fan6_attr },
};
-/* The permissions of all of the following attributes are changed to read-
+/* The permissions of the following zone attributes are changed to read-
* writeable if the chip is *not* locked. Otherwise they stay read-only. */
-static struct attribute *dme1737_attr_lock[] = {
- /* Temperatures */
- &sensor_dev_attr_temp1_offset.dev_attr.attr,
- &sensor_dev_attr_temp2_offset.dev_attr.attr,
- &sensor_dev_attr_temp3_offset.dev_attr.attr,
- /* Zones */
- &sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr,
+static struct attribute *dme1737_zone_chmod_attr[] = {
&sensor_dev_attr_zone1_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_zone1_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_zone1_auto_point3_temp.dev_attr.attr,
- &sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_zone2_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_zone2_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_zone2_auto_point3_temp.dev_attr.attr,
- &sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr,
NULL
};
-static const struct attribute_group dme1737_lock_group = {
- .attrs = dme1737_attr_lock,
+static const struct attribute_group dme1737_zone_chmod_group = {
+ .attrs = dme1737_zone_chmod_attr,
};
/* The permissions of the following PWM attributes are changed to read-
* writeable if the chip is *not* locked and the respective PWM is available.
* Otherwise they stay read-only. */
-static struct attribute *dme1737_attr_pwm1_lock[] = {
+static struct attribute *dme1737_pwm1_chmod_attr[] = {
&sensor_dev_attr_pwm1_freq.dev_attr.attr,
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
&sensor_dev_attr_pwm1_ramp_rate.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_channels_zone.dev_attr.attr,
- &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_pwm2_lock[] = {
+static struct attribute *dme1737_pwm2_chmod_attr[] = {
&sensor_dev_attr_pwm2_freq.dev_attr.attr,
&sensor_dev_attr_pwm2_enable.dev_attr.attr,
&sensor_dev_attr_pwm2_ramp_rate.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_channels_zone.dev_attr.attr,
- &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_pwm3_lock[] = {
+static struct attribute *dme1737_pwm3_chmod_attr[] = {
&sensor_dev_attr_pwm3_freq.dev_attr.attr,
&sensor_dev_attr_pwm3_enable.dev_attr.attr,
&sensor_dev_attr_pwm3_ramp_rate.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_channels_zone.dev_attr.attr,
- &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_pwm5_lock[] = {
+static struct attribute *dme1737_pwm5_chmod_attr[] = {
&sensor_dev_attr_pwm5.dev_attr.attr,
&sensor_dev_attr_pwm5_freq.dev_attr.attr,
NULL
};
-static struct attribute *dme1737_attr_pwm6_lock[] = {
+static struct attribute *dme1737_pwm6_chmod_attr[] = {
&sensor_dev_attr_pwm6.dev_attr.attr,
&sensor_dev_attr_pwm6_freq.dev_attr.attr,
NULL
};
-static const struct attribute_group dme1737_pwm_lock_group[] = {
- { .attrs = dme1737_attr_pwm1_lock },
- { .attrs = dme1737_attr_pwm2_lock },
- { .attrs = dme1737_attr_pwm3_lock },
+static const struct attribute_group dme1737_pwm_chmod_group[] = {
+ { .attrs = dme1737_pwm1_chmod_attr },
+ { .attrs = dme1737_pwm2_chmod_attr },
+ { .attrs = dme1737_pwm3_chmod_attr },
{ .attrs = NULL },
- { .attrs = dme1737_attr_pwm5_lock },
- { .attrs = dme1737_attr_pwm6_lock },
+ { .attrs = dme1737_pwm5_chmod_attr },
+ { .attrs = dme1737_pwm6_chmod_attr },
};
/* Pwm[1-3] are read-writeable if the associated pwm is in manual mode and the
* chip is not locked. Otherwise they are read-only. */
-static struct attribute *dme1737_attr_pwm[] = {
+static struct attribute *dme1737_pwm_chmod_attr[] = {
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,
&sensor_dev_attr_pwm3.dev_attr.attr,
@@ -1875,9 +1895,17 @@ static void dme1737_remove_files(struct device *dev)
if (data->has_pwm & (1 << ix)) {
sysfs_remove_group(&dev->kobj,
&dme1737_pwm_group[ix]);
+ if (data->type != sch5027 && ix < 3) {
+ sysfs_remove_file(&dev->kobj,
+ dme1737_pwm_misc_attr[ix]);
+ }
}
}
+ if (data->type != sch5027) {
+ sysfs_remove_group(&dev->kobj, &dme1737_misc_group);
+ }
+
sysfs_remove_group(&dev->kobj, &dme1737_group);
if (!data->client.driver) {
@@ -1901,6 +1929,13 @@ static int dme1737_create_files(struct device *dev)
goto exit_remove;
}
+ /* Create misc sysfs attributes */
+ if ((data->type != sch5027) &&
+ (err = sysfs_create_group(&dev->kobj,
+ &dme1737_misc_group))) {
+ goto exit_remove;
+ }
+
/* Create fan sysfs attributes */
for (ix = 0; ix < ARRAY_SIZE(dme1737_fan_group); ix++) {
if (data->has_fan & (1 << ix)) {
@@ -1918,6 +1953,11 @@ static int dme1737_create_files(struct device *dev)
&dme1737_pwm_group[ix]))) {
goto exit_remove;
}
+ if (data->type != sch5027 && ix < 3 &&
+ (err = sysfs_create_file(&dev->kobj,
+ dme1737_pwm_misc_attr[ix]))) {
+ goto exit_remove;
+ }
}
}
@@ -1927,16 +1967,27 @@ static int dme1737_create_files(struct device *dev)
dev_info(dev, "Device is locked. Some attributes "
"will be read-only.\n");
} else {
- /* Change permissions of standard attributes */
- dme1737_chmod_group(dev, &dme1737_lock_group,
+ /* Change permissions of zone sysfs attributes */
+ dme1737_chmod_group(dev, &dme1737_zone_chmod_group,
S_IRUGO | S_IWUSR);
- /* Change permissions of PWM attributes */
- for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_lock_group); ix++) {
+ /* Change permissions of misc sysfs attributes */
+ if (data->type != sch5027) {
+ dme1737_chmod_group(dev, &dme1737_misc_group,
+ S_IRUGO | S_IWUSR);
+ }
+
+ /* Change permissions of PWM sysfs attributes */
+ for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_chmod_group); ix++) {
if (data->has_pwm & (1 << ix)) {
dme1737_chmod_group(dev,
- &dme1737_pwm_lock_group[ix],
+ &dme1737_pwm_chmod_group[ix],
+ S_IRUGO | S_IWUSR);
+ if (data->type != sch5027 && ix < 3) {
+ dme1737_chmod_file(dev,
+ dme1737_pwm_misc_attr[ix],
S_IRUGO | S_IWUSR);
+ }
}
}
@@ -1945,7 +1996,7 @@ static int dme1737_create_files(struct device *dev)
if ((data->has_pwm & (1 << ix)) &&
(PWM_EN_FROM_REG(data->pwm_config[ix]) == 1)) {
dme1737_chmod_file(dev,
- dme1737_attr_pwm[ix],
+ dme1737_pwm_chmod_attr[ix],
S_IRUGO | S_IWUSR);
}
}
@@ -1966,6 +2017,9 @@ static int dme1737_init_device(struct device *dev)
int ix;
u8 reg;
+ /* Point to the right nominal voltages array */
+ data->in_nominal = IN_NOMINAL(data->type);
+
data->config = dme1737_read(client, DME1737_REG_CONFIG);
/* Inform if part is not monitoring/started */
if (!(data->config & 0x01)) {
@@ -2076,7 +2130,9 @@ static int dme1737_init_device(struct device *dev)
data->pwm_acz[2] = 4; /* pwm3 -> zone3 */
/* Set VRM */
- data->vrm = vid_which_vrm();
+ if (data->type != sch5027) {
+ data->vrm = vid_which_vrm();
+ }
return 0;
}
@@ -2095,9 +2151,10 @@ static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data)
dme1737_sio_enter(sio_cip);
/* Check device ID
- * The DME1737 can return either 0x78 or 0x77 as its device ID. */
+ * The DME1737 can return either 0x78 or 0x77 as its device ID.
+ * The SCH5027 returns 0x89 as its device ID. */
reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20);
- if (!(reg == 0x77 || reg == 0x78)) {
+ if (!(reg == 0x77 || reg == 0x78 || reg == 0x89)) {
err = -ENODEV;
goto exit;
}
@@ -2166,15 +2223,24 @@ static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address,
company = dme1737_read(client, DME1737_REG_COMPANY);
verstep = dme1737_read(client, DME1737_REG_VERSTEP);
- if (!((company == DME1737_COMPANY_SMSC) &&
- ((verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP))) {
+ if (company == DME1737_COMPANY_SMSC &&
+ (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) {
+ kind = dme1737;
+ } else if (company == DME1737_COMPANY_SMSC &&
+ verstep == SCH5027_VERSTEP) {
+ kind = sch5027;
+ } else {
err = -ENODEV;
goto exit_kfree;
}
}
- kind = dme1737;
- name = "dme1737";
+ if (kind == sch5027) {
+ name = "sch5027";
+ } else {
+ kind = dme1737;
+ name = "dme1737";
+ }
data->type = kind;
/* Fill in the remaining client fields and put it into the global
@@ -2187,8 +2253,9 @@ static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address,
goto exit_kfree;
}
- dev_info(dev, "Found a DME1737 chip at 0x%02x (rev 0x%02x).\n",
- client->addr, verstep);
+ dev_info(dev, "Found a %s chip at 0x%02x (rev 0x%02x).\n",
+ kind == sch5027 ? "SCH5027" : "DME1737", client->addr,
+ verstep);
/* Initialize the DME1737 chip */
if ((err = dme1737_init_device(dev))) {
@@ -2360,15 +2427,18 @@ static int __devinit dme1737_isa_probe(struct platform_device *pdev)
client->addr = res->start;
platform_set_drvdata(pdev, data);
- company = dme1737_read(client, DME1737_REG_COMPANY);
- device = dme1737_read(client, DME1737_REG_DEVICE);
+ /* Skip chip detection if module is loaded with force_id parameter */
+ if (!force_id) {
+ company = dme1737_read(client, DME1737_REG_COMPANY);
+ device = dme1737_read(client, DME1737_REG_DEVICE);
- if (!((company == DME1737_COMPANY_SMSC) &&
- (device == SCH311X_DEVICE))) {
- err = -ENODEV;
- goto exit_kfree;
+ if (!((company == DME1737_COMPANY_SMSC) &&
+ (device == SCH311X_DEVICE))) {
+ err = -ENODEV;
+ goto exit_kfree;
+ }
}
- data->type = -1;
+ data->type = sch311x;
/* Fill in the remaining client fields and initialize the mutex */
strlcpy(client->name, "sch311x", I2C_NAME_SIZE);
diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index cbeb4984b5c..67067e9a323 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -87,8 +87,6 @@ static inline void superio_enter(int base);
static inline void superio_select(int base, int ld);
static inline void superio_exit(int base);
-static inline u16 fan_from_reg ( u16 reg );
-
struct f71882fg_data {
unsigned short addr;
struct device *hwmon_dev;
@@ -116,10 +114,6 @@ struct f71882fg_data {
u8 temp_diode_open;
};
-static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg);
-static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg);
-static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val);
-
/* Sysfs in*/
static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
char *buf);
diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c
index 3330667280b..7b0a32c4dcf 100644
--- a/drivers/hwmon/hwmon-vid.c
+++ b/drivers/hwmon/hwmon-vid.c
@@ -1,76 +1,74 @@
/*
- hwmon-vid.c - VID/VRM/VRD voltage conversions
-
- Copyright (c) 2004 Rudolf Marek <r.marek@assembler.cz>
-
- Partly imported from i2c-vid.h of the lm_sensors project
- Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
- With assistance from Trent Piepho <xyzzy@speakeasy.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * hwmon-vid.c - VID/VRM/VRD voltage conversions
+ *
+ * Copyright (c) 2004 Rudolf Marek <r.marek@assembler.cz>
+ *
+ * Partly imported from i2c-vid.h of the lm_sensors project
+ * Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+ * With assistance from Trent Piepho <xyzzy@speakeasy.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/hwmon-vid.h>
/*
- Common code for decoding VID pins.
-
- References:
-
- For VRM 8.4 to 9.1, "VRM x.y DC-DC Converter Design Guidelines",
- available at http://developer.intel.com/.
-
- For VRD 10.0 and up, "VRD x.y Design Guide",
- available at http://developer.intel.com/.
-
- AMD Opteron processors don't follow the Intel specifications.
- I'm going to "make up" 2.4 as the spec number for the Opterons.
- No good reason just a mnemonic for the 24x Opteron processor
- series.
-
- Opteron VID encoding is:
- 00000 = 1.550 V
- 00001 = 1.525 V
- . . . .
- 11110 = 0.800 V
- 11111 = 0.000 V (off)
-
- The 17 specification is in fact Intel Mobile Voltage Positioning -
- (IMVP-II). You can find more information in the datasheet of Max1718
- http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2452
-
- The 13 specification corresponds to the Intel Pentium M series. There
- doesn't seem to be any named specification for these. The conversion
- tables are detailed directly in the various Pentium M datasheets:
- http://www.intel.com/design/intarch/pentiumm/docs_pentiumm.htm
-
- The 14 specification corresponds to Intel Core series. There
- doesn't seem to be any named specification for these. The conversion
- tables are detailed directly in the various Pentium Core datasheets:
- http://www.intel.com/design/mobile/datashts/309221.htm
-
- The 110 (VRM 11) specification corresponds to Intel Conroe based series.
- http://www.intel.com/design/processor/applnots/313214.htm
-*/
-
-/* vrm is the VRM/VRD document version multiplied by 10.
- val is the 4-bit or more VID code.
- Returned value is in mV to avoid floating point in the kernel.
- Some VID have some bits in uV scale, this is rounded to mV */
+ * Common code for decoding VID pins.
+ *
+ * References:
+ *
+ * For VRM 8.4 to 9.1, "VRM x.y DC-DC Converter Design Guidelines",
+ * available at http://developer.intel.com/.
+ *
+ * For VRD 10.0 and up, "VRD x.y Design Guide",
+ * available at http://developer.intel.com/.
+ *
+ * AMD NPT 0Fh (Athlon64 & Opteron), AMD Publication 32559,
+ * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/32559.pdf
+ * Table 71. VID Code Voltages
+ * AMD Opteron processors don't follow the Intel specifications.
+ * I'm going to "make up" 2.4 as the spec number for the Opterons.
+ * No good reason just a mnemonic for the 24x Opteron processor
+ * series.
+ *
+ * The 17 specification is in fact Intel Mobile Voltage Positioning -
+ * (IMVP-II). You can find more information in the datasheet of Max1718
+ * http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2452
+ *
+ * The 13 specification corresponds to the Intel Pentium M series. There
+ * doesn't seem to be any named specification for these. The conversion
+ * tables are detailed directly in the various Pentium M datasheets:
+ * http://www.intel.com/design/intarch/pentiumm/docs_pentiumm.htm
+ *
+ * The 14 specification corresponds to Intel Core series. There
+ * doesn't seem to be any named specification for these. The conversion
+ * tables are detailed directly in the various Pentium Core datasheets:
+ * http://www.intel.com/design/mobile/datashts/309221.htm
+ *
+ * The 110 (VRM 11) specification corresponds to Intel Conroe based series.
+ * http://www.intel.com/design/processor/applnots/313214.htm
+ */
+
+/*
+ * vrm is the VRM/VRD document version multiplied by 10.
+ * val is the 4-bit or more VID code.
+ * Returned value is in mV to avoid floating point in the kernel.
+ * Some VID have some bits in uV scale, this is rounded to mV.
+ */
int vid_from_reg(int val, u8 vrm)
{
int vid;
@@ -96,9 +94,11 @@ int vid_from_reg(int val, u8 vrm)
if (val < 0x02 || val > 0xb2)
return 0;
return((1600000 - (val - 2) * 6250 + 500) / 1000);
- case 24: /* Opteron processor */
- val &= 0x1f;
- return(val == 0x1f ? 0 : 1550 - val * 25);
+
+ case 24: /* AMD NPT 0Fh (Athlon64 & Opteron) */
+ val &= 0x3f;
+ return (val < 32) ? 1550 - 25 * val
+ : 775 - (25 * (val - 31)) / 2;
case 91: /* VRM 9.1 */
case 90: /* VRM 9.0 */
@@ -141,9 +141,9 @@ int vid_from_reg(int val, u8 vrm)
/*
- After this point is the code to automatically determine which
- VRM/VRD specification should be used depending on the CPU.
-*/
+ * After this point is the code to automatically determine which
+ * VRM/VRD specification should be used depending on the CPU.
+ */
struct vrm_model {
u8 vendor;
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index e12c132ff83..30cdb095677 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -151,9 +151,9 @@ static int fix_pwm_polarity;
/* The IT8718F has the VID value in a different register, in Super-I/O
configuration space. */
#define IT87_REG_VID 0x0a
-/* Warning: register 0x0b is used for something completely different in
- new chips/revisions. I suspect only 16-bit tachometer mode will work
- for these. */
+/* The IT8705F and IT8712F earlier than revision 0x08 use register 0x0b
+ for fan divisors. Later IT8712F revisions must use 16-bit tachometer
+ mode. */
#define IT87_REG_FAN_DIV 0x0b
#define IT87_REG_FAN_16BIT 0x0c
@@ -234,6 +234,7 @@ static const unsigned int pwm_freq[8] = {
struct it87_sio_data {
enum chips type;
/* Values read from Super-I/O config space */
+ u8 revision;
u8 vid_value;
};
@@ -242,6 +243,7 @@ struct it87_sio_data {
struct it87_data {
struct device *hwmon_dev;
enum chips type;
+ u8 revision;
unsigned short addr;
const char *name;
@@ -268,6 +270,16 @@ struct it87_data {
u8 manual_pwm_ctl[3]; /* manual PWM value set by user */
};
+static inline int has_16bit_fans(const struct it87_data *data)
+{
+ /* IT8705F Datasheet 0.4.1, 3h == Version G.
+ IT8712F Datasheet 0.9.1, section 8.3.5 indicates 7h == Version I.
+ These are the first revisions with 16bit tachometer support. */
+ return (data->type == it87 && data->revision >= 0x03)
+ || (data->type == it8712 && data->revision >= 0x07)
+ || data->type == it8716
+ || data->type == it8718;
+}
static int it87_probe(struct platform_device *pdev);
static int __devexit it87_remove(struct platform_device *pdev);
@@ -991,8 +1003,9 @@ static int __init it87_find(unsigned short *address,
}
err = 0;
+ sio_data->revision = superio_inb(DEVREV) & 0x0f;
pr_info("it87: Found IT%04xF chip at 0x%x, revision %d\n",
- chip_type, *address, superio_inb(DEVREV) & 0x0f);
+ chip_type, *address, sio_data->revision);
/* Read GPIO config and VID value from LDN 7 (GPIO) */
if (chip_type != IT8705F_DEVID) {
@@ -1045,6 +1058,7 @@ static int __devinit it87_probe(struct platform_device *pdev)
data->addr = res->start;
data->type = sio_data->type;
+ data->revision = sio_data->revision;
data->name = names[sio_data->type];
/* Now, we do the remaining detection. */
@@ -1069,7 +1083,7 @@ static int __devinit it87_probe(struct platform_device *pdev)
goto ERROR2;
/* Do not create fan files for disabled fans */
- if (data->type == it8716 || data->type == it8718) {
+ if (has_16bit_fans(data)) {
/* 16-bit tachometers */
if (data->has_fan & (1 << 0)) {
if ((err = device_create_file(dev,
@@ -1350,7 +1364,7 @@ static void __devinit it87_init_device(struct platform_device *pdev)
data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
/* Set tachometers to 16-bit mode if needed */
- if (data->type == it8716 || data->type == it8718) {
+ if (has_16bit_fans(data)) {
tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
if (~tmp & 0x07 & data->has_fan) {
dev_dbg(&pdev->dev,
@@ -1358,10 +1372,13 @@ static void __devinit it87_init_device(struct platform_device *pdev)
it87_write_value(data, IT87_REG_FAN_16BIT,
tmp | 0x07);
}
- if (tmp & (1 << 4))
- data->has_fan |= (1 << 3); /* fan4 enabled */
- if (tmp & (1 << 5))
- data->has_fan |= (1 << 4); /* fan5 enabled */
+ /* IT8705F only supports three fans. */
+ if (data->type != it87) {
+ if (tmp & (1 << 4))
+ data->has_fan |= (1 << 3); /* fan4 enabled */
+ if (tmp & (1 << 5))
+ data->has_fan |= (1 << 4); /* fan5 enabled */
+ }
}
/* Set current fan mode registers and the default settings for the
@@ -1426,7 +1443,7 @@ static struct it87_data *it87_update_device(struct device *dev)
data->fan[i] = it87_read_value(data,
IT87_REG_FAN[i]);
/* Add high byte if in 16-bit mode */
- if (data->type == it8716 || data->type == it8718) {
+ if (has_16bit_fans(data)) {
data->fan[i] |= it87_read_value(data,
IT87_REG_FANX[i]) << 8;
data->fan_min[i] |= it87_read_value(data,
@@ -1443,8 +1460,7 @@ static struct it87_data *it87_update_device(struct device *dev)
}
/* Newer chips don't have clock dividers */
- if ((data->has_fan & 0x07) && data->type != it8716
- && data->type != it8718) {
+ if ((data->has_fan & 0x07) && !has_16bit_fans(data)) {
i = it87_read_value(data, IT87_REG_FAN_DIV);
data->fan_div[0] = i & 0x07;
data->fan_div[1] = (i >> 3) & 0x07;
@@ -1460,7 +1476,8 @@ static struct it87_data *it87_update_device(struct device *dev)
data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL);
data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE);
- /* The 8705 does not have VID capability */
+ /* The 8705 does not have VID capability.
+ The 8718 does not use IT87_REG_VID for the same purpose. */
if (data->type == it8712 || data->type == it8716) {
data->vid = it87_read_value(data, IT87_REG_VID);
/* The older IT8712F revisions had only 5 VID pins,
diff --git a/drivers/hwmon/thmc50.c b/drivers/hwmon/thmc50.c
index 3b01001108c..7d97431e132 100644
--- a/drivers/hwmon/thmc50.c
+++ b/drivers/hwmon/thmc50.c
@@ -55,8 +55,11 @@ I2C_CLIENT_MODULE_PARM(adm1022_temp3, "List of adapter,address pairs "
static const u8 THMC50_REG_TEMP[] = { 0x27, 0x26, 0x20 };
static const u8 THMC50_REG_TEMP_MIN[] = { 0x3A, 0x38, 0x2C };
static const u8 THMC50_REG_TEMP_MAX[] = { 0x39, 0x37, 0x2B };
+static const u8 THMC50_REG_TEMP_CRITICAL[] = { 0x13, 0x14, 0x14 };
+static const u8 THMC50_REG_TEMP_DEFAULT[] = { 0x17, 0x18, 0x18 };
#define THMC50_REG_CONF_nFANOFF 0x20
+#define THMC50_REG_CONF_PROGRAMMED 0x08
/* Each client has this additional data */
struct thmc50_data {
@@ -72,6 +75,7 @@ struct thmc50_data {
s8 temp_input[3];
s8 temp_max[3];
s8 temp_min[3];
+ s8 temp_critical[3];
u8 analog_out;
u8 alarms;
};
@@ -199,6 +203,15 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
return count;
}
+static ssize_t show_temp_critical(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int nr = to_sensor_dev_attr(attr)->index;
+ struct thmc50_data *data = thmc50_update_device(dev);
+ return sprintf(buf, "%d\n", data->temp_critical[nr] * 1000);
+}
+
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -214,7 +227,9 @@ static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \
static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
show_temp_min, set_temp_min, offset - 1); \
static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
- show_temp_max, set_temp_max, offset - 1);
+ show_temp_max, set_temp_max, offset - 1); \
+static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO, \
+ show_temp_critical, NULL, offset - 1);
temp_reg(1);
temp_reg(2);
@@ -234,10 +249,12 @@ static struct attribute *thmc50_attributes[] = {
&sensor_dev_attr_temp1_max.dev_attr.attr,
&sensor_dev_attr_temp1_min.dev_attr.attr,
&sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_crit.dev_attr.attr,
&sensor_dev_attr_temp1_alarm.dev_attr.attr,
&sensor_dev_attr_temp2_max.dev_attr.attr,
&sensor_dev_attr_temp2_min.dev_attr.attr,
&sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_crit.dev_attr.attr,
&sensor_dev_attr_temp2_alarm.dev_attr.attr,
&sensor_dev_attr_temp2_fault.dev_attr.attr,
&sensor_dev_attr_pwm1.dev_attr.attr,
@@ -254,6 +271,7 @@ static struct attribute *temp3_attributes[] = {
&sensor_dev_attr_temp3_max.dev_attr.attr,
&sensor_dev_attr_temp3_min.dev_attr.attr,
&sensor_dev_attr_temp3_input.dev_attr.attr,
+ &sensor_dev_attr_temp3_crit.dev_attr.attr,
&sensor_dev_attr_temp3_alarm.dev_attr.attr,
&sensor_dev_attr_temp3_fault.dev_attr.attr,
NULL
@@ -429,6 +447,10 @@ static struct thmc50_data *thmc50_update_device(struct device *dev)
int temps = data->has_temp3 ? 3 : 2;
int i;
+ int prog = i2c_smbus_read_byte_data(client, THMC50_REG_CONF);
+
+ prog &= THMC50_REG_CONF_PROGRAMMED;
+
for (i = 0; i < temps; i++) {
data->temp_input[i] = i2c_smbus_read_byte_data(client,
THMC50_REG_TEMP[i]);
@@ -436,6 +458,10 @@ static struct thmc50_data *thmc50_update_device(struct device *dev)
THMC50_REG_TEMP_MAX[i]);
data->temp_min[i] = i2c_smbus_read_byte_data(client,
THMC50_REG_TEMP_MIN[i]);
+ data->temp_critical[i] =
+ i2c_smbus_read_byte_data(client,
+ prog ? THMC50_REG_TEMP_CRITICAL[i]
+ : THMC50_REG_TEMP_DEFAULT[i]);
}
data->analog_out =
i2c_smbus_read_byte_data(client, THMC50_REG_ANALOG_OUT);
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index 9564fb06995..b30e5796cb2 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -67,10 +67,6 @@ module_param(force_i2c, byte, 0);
MODULE_PARM_DESC(force_i2c,
"Initialize the i2c address of the sensors");
-static int reset;
-module_param(reset, bool, 0);
-MODULE_PARM_DESC(reset, "Set to one to reset chip on load");
-
static int init = 1;
module_param(init, bool, 0);
MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
@@ -209,6 +205,13 @@ static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 };
#define W83627HF_REG_PWM1 0x5A
#define W83627HF_REG_PWM2 0x5B
+static const u8 W83627THF_REG_PWM_ENABLE[] = {
+ 0x04, /* FAN 1 mode */
+ 0x04, /* FAN 2 mode */
+ 0x12, /* FAN AUX mode */
+};
+static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
+
#define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */
#define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */
#define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */
@@ -366,6 +369,9 @@ struct w83627hf_data {
u32 alarms; /* Register encoding, combined */
u32 beep_mask; /* Register encoding, combined */
u8 pwm[3]; /* Register value */
+ u8 pwm_enable[3]; /* 1 = manual
+ 2 = thermal cruise (also called SmartFan I)
+ 3 = fan speed cruise */
u8 pwm_freq[3]; /* Register value */
u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode;
4 = thermistor */
@@ -957,6 +963,42 @@ static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
static ssize_t
+show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ int nr = to_sensor_dev_attr(devattr)->index;
+ struct w83627hf_data *data = w83627hf_update_device(dev);
+ return sprintf(buf, "%d\n", data->pwm_enable[nr]);
+}
+
+static ssize_t
+store_pwm_enable(struct device *dev, struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ int nr = to_sensor_dev_attr(devattr)->index;
+ struct w83627hf_data *data = dev_get_drvdata(dev);
+ unsigned long val = simple_strtoul(buf, NULL, 10);
+ u8 reg;
+
+ if (!val || (val > 3)) /* modes 1, 2 and 3 are supported */
+ return -EINVAL;
+ mutex_lock(&data->update_lock);
+ data->pwm_enable[nr] = val;
+ reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
+ reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
+ reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
+ w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
+ store_pwm_enable, 0);
+static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
+ store_pwm_enable, 1);
+static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
+ store_pwm_enable, 2);
+
+static ssize_t
show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
@@ -1223,6 +1265,11 @@ static struct attribute *w83627hf_attributes_opt[] = {
&sensor_dev_attr_pwm1_freq.dev_attr.attr,
&sensor_dev_attr_pwm2_freq.dev_attr.attr,
&sensor_dev_attr_pwm3_freq.dev_attr.attr,
+
+ &sensor_dev_attr_pwm1_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm2_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm3_enable.dev_attr.attr,
+
NULL
};
@@ -1366,6 +1413,19 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
&sensor_dev_attr_pwm3_freq.dev_attr)))
goto ERROR4;
+ if (data->type != w83627hf)
+ if ((err = device_create_file(dev,
+ &sensor_dev_attr_pwm1_enable.dev_attr))
+ || (err = device_create_file(dev,
+ &sensor_dev_attr_pwm2_enable.dev_attr)))
+ goto ERROR4;
+
+ if (data->type == w83627thf || data->type == w83637hf
+ || data->type == w83687thf)
+ if ((err = device_create_file(dev,
+ &sensor_dev_attr_pwm3_enable.dev_attr)))
+ goto ERROR4;
+
data->hwmon_dev = hwmon_device_register(dev);
if (IS_ERR(data->hwmon_dev)) {
err = PTR_ERR(data->hwmon_dev);
@@ -1536,29 +1596,6 @@ static void __devinit w83627hf_init_device(struct platform_device *pdev)
enum chips type = data->type;
u8 tmp;
- if (reset) {
- /* Resetting the chip has been the default for a long time,
- but repeatedly caused problems (fans going to full
- speed...) so it is now optional. It might even go away if
- nobody reports it as being useful, as I see very little
- reason why this would be needed at all. */
- dev_info(&pdev->dev, "If reset=1 solved a problem you were "
- "having, please report!\n");
-
- /* save this register */
- i = w83627hf_read_value(data, W83781D_REG_BEEP_CONFIG);
- /* Reset all except Watchdog values and last conversion values
- This sets fan-divs to 2, among others */
- w83627hf_write_value(data, W83781D_REG_CONFIG, 0x80);
- /* Restore the register and disable power-on abnormal beep.
- This saves FAN 1/2/3 input/output values set by BIOS. */
- w83627hf_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80);
- /* Disable master beep-enable (reset turns it on).
- Individual beeps should be reset to off but for some reason
- disabling this bit helps some people not get beeped */
- w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 0);
- }
-
/* Minimize conflicts with other winbond i2c-only clients... */
/* disable i2c subclients... how to disable main i2c client?? */
/* force i2c address to relatively uncommon address */
@@ -1655,6 +1692,7 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
int i, num_temps = (data->type == w83697hf) ? 2 : 3;
+ int num_pwms = (data->type == w83697hf) ? 2 : 3;
mutex_lock(&data->update_lock);
@@ -1707,6 +1745,15 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
break;
}
}
+ if (data->type != w83627hf) {
+ for (i = 0; i < num_pwms; i++) {
+ u8 tmp = w83627hf_read_value(data,
+ W83627THF_REG_PWM_ENABLE[i]);
+ data->pwm_enable[i] =
+ ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
+ & 0x03) + 1;
+ }
+ }
for (i = 0; i < num_temps; i++) {
data->temp[i] = w83627hf_read_value(
data, w83627hf_reg_temp[i]);
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index e4e91c9d480..daa7d121483 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -233,11 +233,9 @@ static u8 fan_to_reg(long rpm, int div)
static u8 div_to_reg(int nr, long val)
{
int i;
- int max;
- /* first three fan's divisor max out at 8, rest max out at 128 */
- max = (nr < 3) ? 8 : 128;
- val = SENSORS_LIMIT(val, 1, max) >> 1;
+ /* fan divisors max out at 128 */
+ val = SENSORS_LIMIT(val, 1, 128) >> 1;
for (i = 0; i < 7; i++) {
if (val == 0)
break;
@@ -530,6 +528,7 @@ static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr,
unsigned long min;
u8 tmp_fan_div;
u8 fan_div_reg;
+ u8 vbat_reg;
int indx = 0;
u8 keep_mask = 0;
u8 new_shift = 0;
@@ -581,6 +580,16 @@ static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr,
w83791d_write(client, W83791D_REG_FAN_DIV[indx],
fan_div_reg | tmp_fan_div);
+ /* Bit 2 of fans 0-2 is stored in the vbat register (bits 5-7) */
+ if (nr < 3) {
+ keep_mask = ~(1 << (nr + 5));
+ vbat_reg = w83791d_read(client, W83791D_REG_VBAT)
+ & keep_mask;
+ tmp_fan_div = (data->fan_div[nr] << (3 + nr)) & ~keep_mask;
+ w83791d_write(client, W83791D_REG_VBAT,
+ vbat_reg | tmp_fan_div);
+ }
+
/* Restore fan_min */
data->fan_min[nr] = fan_to_reg(min, DIV_FROM_REG(data->fan_div[nr]));
w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]);
@@ -1182,6 +1191,7 @@ static struct w83791d_data *w83791d_update_device(struct device *dev)
struct w83791d_data *data = i2c_get_clientdata(client);
int i, j;
u8 reg_array_tmp[3];
+ u8 vbat_reg;
mutex_lock(&data->update_lock);
@@ -1219,6 +1229,12 @@ static struct w83791d_data *w83791d_update_device(struct device *dev)
data->fan_div[3] = reg_array_tmp[2] & 0x07;
data->fan_div[4] = (reg_array_tmp[2] >> 4) & 0x07;
+ /* The fan divisor for fans 0-2 get bit 2 from
+ bits 5-7 respectively of vbat register */
+ vbat_reg = w83791d_read(client, W83791D_REG_VBAT);
+ for (i = 0; i < 3; i++)
+ data->fan_div[i] |= (vbat_reg >> (3 + i)) & 0x04;
+
/* Update the first temperature sensor */
for (i = 0; i < 3; i++) {
data->temp1[i] = w83791d_read(client,
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index e980ff3335d..d951896ff7f 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -155,9 +155,7 @@ struct cma_multicast {
} multicast;
struct list_head list;
void *context;
- struct sockaddr addr;
- u8 pad[sizeof(struct sockaddr_in6) -
- sizeof(struct sockaddr)];
+ struct sockaddr_storage addr;
};
struct cma_work {
@@ -786,8 +784,8 @@ static void cma_cancel_operation(struct rdma_id_private *id_priv,
cma_cancel_route(id_priv);
break;
case CMA_LISTEN:
- if (cma_any_addr(&id_priv->id.route.addr.src_addr) &&
- !id_priv->cma_dev)
+ if (cma_any_addr((struct sockaddr *) &id_priv->id.route.addr.src_addr)
+ && !id_priv->cma_dev)
cma_cancel_listens(id_priv);
break;
default:
@@ -1026,7 +1024,7 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id,
rt->path_rec[1] = *ib_event->param.req_rcvd.alternate_path;
ib_addr_set_dgid(&rt->addr.dev_addr, &rt->path_rec[0].dgid);
- ret = rdma_translate_ip(&id->route.addr.src_addr,
+ ret = rdma_translate_ip((struct sockaddr *) &id->route.addr.src_addr,
&id->route.addr.dev_addr);
if (ret)
goto destroy_id;
@@ -1064,7 +1062,7 @@ static struct rdma_id_private *cma_new_udp_id(struct rdma_cm_id *listen_id,
cma_save_net_info(&id->route.addr, &listen_id->route.addr,
ip_ver, port, src, dst);
- ret = rdma_translate_ip(&id->route.addr.src_addr,
+ ret = rdma_translate_ip((struct sockaddr *) &id->route.addr.src_addr,
&id->route.addr.dev_addr);
if (ret)
goto err;
@@ -1377,7 +1375,7 @@ static int cma_ib_listen(struct rdma_id_private *id_priv)
if (IS_ERR(id_priv->cm_id.ib))
return PTR_ERR(id_priv->cm_id.ib);
- addr = &id_priv->id.route.addr.src_addr;
+ addr = (struct sockaddr *) &id_priv->id.route.addr.src_addr;
svc_id = cma_get_service_id(id_priv->id.ps, addr);
if (cma_any_addr(addr))
ret = ib_cm_listen(id_priv->cm_id.ib, svc_id, 0, NULL);
@@ -1443,7 +1441,7 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv,
dev_id_priv->state = CMA_ADDR_BOUND;
memcpy(&id->route.addr.src_addr, &id_priv->id.route.addr.src_addr,
- ip_addr_size(&id_priv->id.route.addr.src_addr));
+ ip_addr_size((struct sockaddr *) &id_priv->id.route.addr.src_addr));
cma_attach_to_dev(dev_id_priv, cma_dev);
list_add_tail(&dev_id_priv->listen_list, &id_priv->listen_list);
@@ -1563,13 +1561,14 @@ static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms,
path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(&addr->dev_addr));
path_rec.numb_path = 1;
path_rec.reversible = 1;
- path_rec.service_id = cma_get_service_id(id_priv->id.ps, &addr->dst_addr);
+ path_rec.service_id = cma_get_service_id(id_priv->id.ps,
+ (struct sockaddr *) &addr->dst_addr);
comp_mask = IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID |
IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH |
IB_SA_PATH_REC_REVERSIBLE | IB_SA_PATH_REC_SERVICE_ID;
- if (addr->src_addr.sa_family == AF_INET) {
+ if (addr->src_addr.ss_family == AF_INET) {
path_rec.qos_class = cpu_to_be16((u16) id_priv->tos);
comp_mask |= IB_SA_PATH_REC_QOS_CLASS;
} else {
@@ -1848,7 +1847,7 @@ static int cma_resolve_loopback(struct rdma_id_private *id_priv)
ib_addr_get_sgid(&id_priv->id.route.addr.dev_addr, &gid);
ib_addr_set_dgid(&id_priv->id.route.addr.dev_addr, &gid);
- if (cma_zero_addr(&id_priv->id.route.addr.src_addr)) {
+ if (cma_zero_addr((struct sockaddr *) &id_priv->id.route.addr.src_addr)) {
src_in = (struct sockaddr_in *)&id_priv->id.route.addr.src_addr;
dst_in = (struct sockaddr_in *)&id_priv->id.route.addr.dst_addr;
src_in->sin_family = dst_in->sin_family;
@@ -1897,7 +1896,7 @@ int rdma_resolve_addr(struct rdma_cm_id *id, struct sockaddr *src_addr,
if (cma_any_addr(dst_addr))
ret = cma_resolve_loopback(id_priv);
else
- ret = rdma_resolve_ip(&addr_client, &id->route.addr.src_addr,
+ ret = rdma_resolve_ip(&addr_client, (struct sockaddr *) &id->route.addr.src_addr,
dst_addr, &id->route.addr.dev_addr,
timeout_ms, addr_handler, id_priv);
if (ret)
@@ -2021,11 +2020,11 @@ static int cma_use_port(struct idr *ps, struct rdma_id_private *id_priv)
* We don't support binding to any address if anyone is bound to
* a specific address on the same port.
*/
- if (cma_any_addr(&id_priv->id.route.addr.src_addr))
+ if (cma_any_addr((struct sockaddr *) &id_priv->id.route.addr.src_addr))
return -EADDRNOTAVAIL;
hlist_for_each_entry(cur_id, node, &bind_list->owners, node) {
- if (cma_any_addr(&cur_id->id.route.addr.src_addr))
+ if (cma_any_addr((struct sockaddr *) &cur_id->id.route.addr.src_addr))
return -EADDRNOTAVAIL;
cur_sin = (struct sockaddr_in *) &cur_id->id.route.addr.src_addr;
@@ -2060,7 +2059,7 @@ static int cma_get_port(struct rdma_id_private *id_priv)
}
mutex_lock(&lock);
- if (cma_any_port(&id_priv->id.route.addr.src_addr))
+ if (cma_any_port((struct sockaddr *) &id_priv->id.route.addr.src_addr))
ret = cma_alloc_any_port(ps, id_priv);
else
ret = cma_use_port(ps, id_priv);
@@ -2232,7 +2231,7 @@ static int cma_resolve_ib_udp(struct rdma_id_private *id_priv,
req.path = route->path_rec;
req.service_id = cma_get_service_id(id_priv->id.ps,
- &route->addr.dst_addr);
+ (struct sockaddr *) &route->addr.dst_addr);
req.timeout_ms = 1 << (CMA_CM_RESPONSE_TIMEOUT - 8);
req.max_cm_retries = CMA_MAX_CM_RETRIES;
@@ -2283,7 +2282,7 @@ static int cma_connect_ib(struct rdma_id_private *id_priv,
req.alternate_path = &route->path_rec[1];
req.service_id = cma_get_service_id(id_priv->id.ps,
- &route->addr.dst_addr);
+ (struct sockaddr *) &route->addr.dst_addr);
req.qp_num = id_priv->qp_num;
req.qp_type = IB_QPT_RC;
req.starting_psn = id_priv->seq_num;
@@ -2667,7 +2666,7 @@ static int cma_join_ib_multicast(struct rdma_id_private *id_priv,
if (ret)
return ret;
- cma_set_mgid(id_priv, &mc->addr, &rec.mgid);
+ cma_set_mgid(id_priv, (struct sockaddr *) &mc->addr, &rec.mgid);
if (id_priv->id.ps == RDMA_PS_UDP)
rec.qkey = cpu_to_be32(RDMA_UDP_QKEY);
ib_addr_get_sgid(dev_addr, &rec.port_gid);
diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c
index d0ef7d61c03..3af2b84cd83 100644
--- a/drivers/infiniband/core/mad_rmpp.c
+++ b/drivers/infiniband/core/mad_rmpp.c
@@ -133,7 +133,7 @@ static void ack_recv(struct mad_rmpp_recv *rmpp_recv,
msg = ib_create_send_mad(&rmpp_recv->agent->agent, recv_wc->wc->src_qp,
recv_wc->wc->pkey_index, 1, hdr_len,
0, GFP_KERNEL);
- if (!msg)
+ if (IS_ERR(msg))
return;
format_ack(msg, (struct ib_rmpp_mad *) recv_wc->recv_buf.mad, rmpp_recv);
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index b41dd26bbfa..3ddacf39b7b 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -81,9 +81,7 @@ struct ucma_multicast {
u64 uid;
struct list_head list;
- struct sockaddr addr;
- u8 pad[sizeof(struct sockaddr_in6) -
- sizeof(struct sockaddr)];
+ struct sockaddr_storage addr;
};
struct ucma_event {
@@ -603,11 +601,11 @@ static ssize_t ucma_query_route(struct ucma_file *file,
return PTR_ERR(ctx);
memset(&resp, 0, sizeof resp);
- addr = &ctx->cm_id->route.addr.src_addr;
+ addr = (struct sockaddr *) &ctx->cm_id->route.addr.src_addr;
memcpy(&resp.src_addr, addr, addr->sa_family == AF_INET ?
sizeof(struct sockaddr_in) :
sizeof(struct sockaddr_in6));
- addr = &ctx->cm_id->route.addr.dst_addr;
+ addr = (struct sockaddr *) &ctx->cm_id->route.addr.dst_addr;
memcpy(&resp.dst_addr, addr, addr->sa_family == AF_INET ?
sizeof(struct sockaddr_in) :
sizeof(struct sockaddr_in6));
@@ -913,7 +911,7 @@ static ssize_t ucma_join_multicast(struct ucma_file *file,
mc->uid = cmd.uid;
memcpy(&mc->addr, &cmd.addr, sizeof cmd.addr);
- ret = rdma_join_multicast(ctx->cm_id, &mc->addr, mc);
+ ret = rdma_join_multicast(ctx->cm_id, (struct sockaddr *) &mc->addr, mc);
if (ret)
goto err2;
@@ -929,7 +927,7 @@ static ssize_t ucma_join_multicast(struct ucma_file *file,
return 0;
err3:
- rdma_leave_multicast(ctx->cm_id, &mc->addr);
+ rdma_leave_multicast(ctx->cm_id, (struct sockaddr *) &mc->addr);
ucma_cleanup_mc_events(mc);
err2:
mutex_lock(&mut);
@@ -975,7 +973,7 @@ static ssize_t ucma_leave_multicast(struct ucma_file *file,
goto out;
}
- rdma_leave_multicast(mc->ctx->cm_id, &mc->addr);
+ rdma_leave_multicast(mc->ctx->cm_id, (struct sockaddr *) &mc->addr);
mutex_lock(&mc->ctx->file->mut);
ucma_cleanup_mc_events(mc);
list_del(&mc->list);
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index f6d5747153a..4dcf08b3fd8 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -725,9 +725,9 @@ static int __cxio_tpt_op(struct cxio_rdev *rdev_p, u32 reset_tpt_entry,
V_TPT_STAG_TYPE(type) | V_TPT_PDID(pdid));
BUG_ON(page_size >= 28);
tpt.flags_pagesize_qpid = cpu_to_be32(V_TPT_PERM(perm) |
- F_TPT_MW_BIND_ENABLE |
- V_TPT_ADDR_TYPE((zbva ? TPT_ZBTO : TPT_VATO)) |
- V_TPT_PAGE_SIZE(page_size));
+ ((perm & TPT_MW_BIND) ? F_TPT_MW_BIND_ENABLE : 0) |
+ V_TPT_ADDR_TYPE((zbva ? TPT_ZBTO : TPT_VATO)) |
+ V_TPT_PAGE_SIZE(page_size));
tpt.rsvd_pbl_addr = reset_tpt_entry ? 0 :
cpu_to_be32(V_TPT_PBL_ADDR(PBL_OFF(rdev_p, pbl_addr)>>3));
tpt.len = cpu_to_be32(len);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index b89640aa6e1..eb778bfd6f6 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1187,28 +1187,6 @@ static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%d\n", iwch_dev->rdev.t3cdev_p->type);
}
-static int fw_supports_fastreg(struct iwch_dev *iwch_dev)
-{
- struct ethtool_drvinfo info;
- struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
- char *cp, *next;
- unsigned fw_maj, fw_min;
-
- rtnl_lock();
- lldev->ethtool_ops->get_drvinfo(lldev, &info);
- rtnl_unlock();
-
- next = info.fw_version+1;
- cp = strsep(&next, ".");
- sscanf(cp, "%i", &fw_maj);
- cp = strsep(&next, ".");
- sscanf(cp, "%i", &fw_min);
-
- PDBG("%s maj %u min %u\n", __func__, fw_maj, fw_min);
-
- return fw_maj > 6 || (fw_maj == 6 && fw_min > 0);
-}
-
static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, char *buf)
{
struct iwch_dev *iwch_dev = container_of(dev, struct iwch_dev,
@@ -1325,12 +1303,12 @@ int iwch_register_device(struct iwch_dev *dev)
memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
memcpy(&dev->ibdev.node_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6);
dev->ibdev.owner = THIS_MODULE;
- dev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY | IB_DEVICE_MEM_WINDOW;
+ dev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY |
+ IB_DEVICE_MEM_WINDOW |
+ IB_DEVICE_MEM_MGT_EXTENSIONS;
/* cxgb3 supports STag 0. */
dev->ibdev.local_dma_lkey = 0;
- if (fw_supports_fastreg(dev))
- dev->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
dev->ibdev.uverbs_cmd_mask =
(1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.h b/drivers/infiniband/hw/cxgb3/iwch_provider.h
index f5ceca05c43..a237d49bdcc 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.h
@@ -293,9 +293,16 @@ static inline u32 iwch_ib_to_tpt_access(int acc)
return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) |
(acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0) |
(acc & IB_ACCESS_LOCAL_WRITE ? TPT_LOCAL_WRITE : 0) |
+ (acc & IB_ACCESS_MW_BIND ? TPT_MW_BIND : 0) |
TPT_LOCAL_READ;
}
+static inline u32 iwch_ib_to_tpt_bind_access(int acc)
+{
+ return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) |
+ (acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0);
+}
+
enum iwch_mmid_state {
IWCH_STAG_STATE_VALID,
IWCH_STAG_STATE_INVALID
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 9a3be3a9d5d..3e4585c2318 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -565,7 +565,7 @@ int iwch_bind_mw(struct ib_qp *qp,
wqe->bind.type = TPT_VATO;
/* TBD: check perms */
- wqe->bind.perms = iwch_ib_to_tpt_access(mw_bind->mw_access_flags);
+ wqe->bind.perms = iwch_ib_to_tpt_bind_access(mw_bind->mw_access_flags);
wqe->bind.mr_stag = cpu_to_be32(mw_bind->mr->lkey);
wqe->bind.mw_stag = cpu_to_be32(mw->rkey);
wqe->bind.mw_len = cpu_to_be32(mw_bind->length);
@@ -879,20 +879,13 @@ static int rdma_init(struct iwch_dev *rhp, struct iwch_qp *qhp,
(qhp->attr.mpa_attr.xmit_marker_enabled << 1) |
(qhp->attr.mpa_attr.crc_enabled << 2);
- /*
- * XXX - The IWCM doesn't quite handle getting these
- * attrs set before going into RTS. For now, just turn
- * them on always...
- */
-#if 0
- init_attr.qpcaps = qhp->attr.enableRdmaRead |
- (qhp->attr.enableRdmaWrite << 1) |
- (qhp->attr.enableBind << 2) |
- (qhp->attr.enable_stag0_fastreg << 3) |
- (qhp->attr.enable_stag0_fastreg << 4);
-#else
- init_attr.qpcaps = 0x1f;
-#endif
+ init_attr.qpcaps = uP_RI_QP_RDMA_READ_ENABLE |
+ uP_RI_QP_RDMA_WRITE_ENABLE |
+ uP_RI_QP_BIND_ENABLE;
+ if (!qhp->ibqp.uobject)
+ init_attr.qpcaps |= uP_RI_QP_STAG0_ENABLE |
+ uP_RI_QP_FAST_REGISTER_ENABLE;
+
init_attr.tcp_emss = qhp->ep->emss;
init_attr.ord = qhp->attr.max_ord;
init_attr.ird = qhp->attr.max_ird;
@@ -900,8 +893,6 @@ static int rdma_init(struct iwch_dev *rhp, struct iwch_qp *qhp,
init_attr.qp_dma_size = (1UL << qhp->wq.size_log2);
init_attr.rqe_count = iwch_rqes_posted(qhp);
init_attr.flags = qhp->attr.mpa_attr.initiator ? MPA_INITIATOR : 0;
- if (!qhp->ibqp.uobject)
- init_attr.flags |= PRIV_QP;
if (peer2peer) {
init_attr.rtr_type = RTR_READ;
if (init_attr.ord == 0 && qhp->attr.mpa_attr.initiator)
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index daad09a4591..ad0aab60b05 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -1259,7 +1259,7 @@ reloop:
*/
ipath_cdbg(ERRPKT, "Error Pkt, but no eflags! egrbuf"
" %x, len %x hdrq+%x rhf: %Lx\n",
- etail, tlen, l,
+ etail, tlen, l, (unsigned long long)
le64_to_cpu(*(__le64 *) rhf_addr));
if (ipath_debug & __IPATH_ERRPKTDBG) {
u32 j, *d, dw = rsize-2;
@@ -1457,7 +1457,8 @@ static void ipath_reset_availshadow(struct ipath_devdata *dd)
0xaaaaaaaaaaaaaaaaULL); /* All BUSY bits in qword */
if (oldval != dd->ipath_pioavailshadow[i])
ipath_dbg("shadow[%d] was %Lx, now %lx\n",
- i, oldval, dd->ipath_pioavailshadow[i]);
+ i, (unsigned long long) oldval,
+ dd->ipath_pioavailshadow[i]);
}
spin_unlock_irqrestore(&ipath_pioavail_lock, flags);
}
diff --git a/drivers/infiniband/hw/ipath/ipath_iba7220.c b/drivers/infiniband/hw/ipath/ipath_iba7220.c
index fadbfbf55a6..d90f5e9a54f 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba7220.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba7220.c
@@ -1032,7 +1032,7 @@ static int ipath_7220_bringup_serdes(struct ipath_devdata *dd)
ipath_cdbg(VERBOSE, "done: xgxs=%llx from %llx\n",
(unsigned long long)
ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig),
- prev_val);
+ (unsigned long long) prev_val);
guid = be64_to_cpu(dd->ipath_guid);
@@ -1042,7 +1042,8 @@ static int ipath_7220_bringup_serdes(struct ipath_devdata *dd)
ipath_dbg("No GUID for heartbeat, faking %llx\n",
(unsigned long long)guid);
} else
- ipath_cdbg(VERBOSE, "Wrote %llX to HRTBT_GUID\n", guid);
+ ipath_cdbg(VERBOSE, "Wrote %llX to HRTBT_GUID\n",
+ (unsigned long long) guid);
ipath_write_kreg(dd, dd->ipath_kregs->kr_hrtbt_guid, guid);
return ret;
}
@@ -2505,7 +2506,7 @@ done:
if (dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) {
ipath_dbg("Did not get to DDR INIT (%x) after %Lu msecs\n",
ipath_ib_state(dd, dd->ipath_lastibcstat),
- jiffies_to_msecs(jiffies)-startms);
+ (unsigned long long) jiffies_to_msecs(jiffies)-startms);
dd->ipath_flags &= ~IPATH_IB_AUTONEG_INPROG;
if (dd->ipath_autoneg_tries == IPATH_AUTONEG_TRIES) {
dd->ipath_flags |= IPATH_IB_AUTONEG_FAILED;
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 26900b3b7a4..6c21b4b5ec7 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -356,9 +356,10 @@ static void handle_e_ibstatuschanged(struct ipath_devdata *dd,
dd->ipath_cregs->cr_iblinkerrrecovcnt);
if (linkrecov != dd->ipath_lastlinkrecov) {
ipath_dbg("IB linkrecov up %Lx (%s %s) recov %Lu\n",
- ibcs, ib_linkstate(dd, ibcs),
+ (unsigned long long) ibcs,
+ ib_linkstate(dd, ibcs),
ipath_ibcstatus_str[ltstate],
- linkrecov);
+ (unsigned long long) linkrecov);
/* and no more until active again */
dd->ipath_lastlinkrecov = 0;
ipath_set_linkstate(dd, IPATH_IB_LINKDOWN);
@@ -1118,9 +1119,11 @@ irqreturn_t ipath_intr(int irq, void *data)
if (unlikely(istat & ~dd->ipath_i_bitsextant))
ipath_dev_err(dd,
"interrupt with unknown interrupts %Lx set\n",
+ (unsigned long long)
istat & ~dd->ipath_i_bitsextant);
else if (istat & ~INFINIPATH_I_ERROR) /* errors do own printing */
- ipath_cdbg(VERBOSE, "intr stat=0x%Lx\n", istat);
+ ipath_cdbg(VERBOSE, "intr stat=0x%Lx\n",
+ (unsigned long long) istat);
if (istat & INFINIPATH_I_ERROR) {
ipath_stats.sps_errints++;
@@ -1128,7 +1131,8 @@ irqreturn_t ipath_intr(int irq, void *data)
dd->ipath_kregs->kr_errorstatus);
if (!estat)
dev_info(&dd->pcidev->dev, "error interrupt (%Lx), "
- "but no error bits set!\n", istat);
+ "but no error bits set!\n",
+ (unsigned long long) istat);
else if (estat == -1LL)
/*
* should we try clearing all, or hope next read
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 55c71882882..b766e40e9eb 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -1021,7 +1021,7 @@ static void sdma_complete(void *cookie, int status)
struct ipath_verbs_txreq *tx = cookie;
struct ipath_qp *qp = tx->qp;
struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
- unsigned int flags;
+ unsigned long flags;
enum ib_wc_status ibs = status == IPATH_SDMA_TXREQ_S_OK ?
IB_WC_SUCCESS : IB_WC_WR_FLUSH_ERR;
@@ -1051,7 +1051,7 @@ static void sdma_complete(void *cookie, int status)
static void decrement_dma_busy(struct ipath_qp *qp)
{
- unsigned int flags;
+ unsigned long flags;
if (atomic_dec_and_test(&qp->s_dma_busy)) {
spin_lock_irqsave(&qp->s_lock, flags);
@@ -1221,7 +1221,7 @@ static int ipath_verbs_send_pio(struct ipath_qp *qp,
unsigned flush_wc;
u32 control;
int ret;
- unsigned int flags;
+ unsigned long flags;
piobuf = ipath_getpiobuf(dd, plen, NULL);
if (unlikely(piobuf == NULL)) {
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index a1464574bfd..d0866a3636e 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -515,17 +515,17 @@ static void mlx4_ib_handle_error_cqe(struct mlx4_err_cqe *cqe,
wc->vendor_err = cqe->vendor_err_syndrome;
}
-static int mlx4_ib_ipoib_csum_ok(__be32 status, __be16 checksum)
+static int mlx4_ib_ipoib_csum_ok(__be16 status, __be16 checksum)
{
- return ((status & cpu_to_be32(MLX4_CQE_IPOIB_STATUS_IPV4 |
- MLX4_CQE_IPOIB_STATUS_IPV4F |
- MLX4_CQE_IPOIB_STATUS_IPV4OPT |
- MLX4_CQE_IPOIB_STATUS_IPV6 |
- MLX4_CQE_IPOIB_STATUS_IPOK)) ==
- cpu_to_be32(MLX4_CQE_IPOIB_STATUS_IPV4 |
- MLX4_CQE_IPOIB_STATUS_IPOK)) &&
- (status & cpu_to_be32(MLX4_CQE_IPOIB_STATUS_UDP |
- MLX4_CQE_IPOIB_STATUS_TCP)) &&
+ return ((status & cpu_to_be16(MLX4_CQE_STATUS_IPV4 |
+ MLX4_CQE_STATUS_IPV4F |
+ MLX4_CQE_STATUS_IPV4OPT |
+ MLX4_CQE_STATUS_IPV6 |
+ MLX4_CQE_STATUS_IPOK)) ==
+ cpu_to_be16(MLX4_CQE_STATUS_IPV4 |
+ MLX4_CQE_STATUS_IPOK)) &&
+ (status & cpu_to_be16(MLX4_CQE_STATUS_UDP |
+ MLX4_CQE_STATUS_TCP)) &&
checksum == cpu_to_be16(0xffff);
}
@@ -582,17 +582,17 @@ repoll:
}
if (!*cur_qp ||
- (be32_to_cpu(cqe->my_qpn) & 0xffffff) != (*cur_qp)->mqp.qpn) {
+ (be32_to_cpu(cqe->vlan_my_qpn) & MLX4_CQE_QPN_MASK) != (*cur_qp)->mqp.qpn) {
/*
* We do not have to take the QP table lock here,
* because CQs will be locked while QPs are removed
* from the table.
*/
mqp = __mlx4_qp_lookup(to_mdev(cq->ibcq.device)->dev,
- be32_to_cpu(cqe->my_qpn));
+ be32_to_cpu(cqe->vlan_my_qpn));
if (unlikely(!mqp)) {
printk(KERN_WARNING "CQ %06x with entry for unknown QPN %06x\n",
- cq->mcq.cqn, be32_to_cpu(cqe->my_qpn) & 0xffffff);
+ cq->mcq.cqn, be32_to_cpu(cqe->vlan_my_qpn) & MLX4_CQE_QPN_MASK);
return -EINVAL;
}
@@ -692,14 +692,13 @@ repoll:
}
wc->slid = be16_to_cpu(cqe->rlid);
- wc->sl = cqe->sl >> 4;
+ wc->sl = be16_to_cpu(cqe->sl_vid >> 12);
g_mlpath_rqpn = be32_to_cpu(cqe->g_mlpath_rqpn);
wc->src_qp = g_mlpath_rqpn & 0xffffff;
wc->dlid_path_bits = (g_mlpath_rqpn >> 24) & 0x7f;
wc->wc_flags |= g_mlpath_rqpn & 0x80000000 ? IB_WC_GRH : 0;
wc->pkey_index = be32_to_cpu(cqe->immed_rss_invalid) & 0x7f;
- wc->csum_ok = mlx4_ib_ipoib_csum_ok(cqe->ipoib_status,
- cqe->checksum);
+ wc->csum_ok = mlx4_ib_ipoib_csum_ok(cqe->status, cqe->checksum);
}
return 0;
@@ -767,7 +766,7 @@ void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq)
*/
while ((int) --prod_index - (int) cq->mcq.cons_index >= 0) {
cqe = get_cqe(cq, prod_index & cq->ibcq.cqe);
- if ((be32_to_cpu(cqe->my_qpn) & 0xffffff) == qpn) {
+ if ((be32_to_cpu(cqe->vlan_my_qpn) & MLX4_CQE_QPN_MASK) == qpn) {
if (srq && !(cqe->owner_sr_opcode & MLX4_CQE_IS_SEND_MASK))
mlx4_ib_free_srq_wqe(srq, be16_to_cpu(cqe->wqe_index));
++nfreed;
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index f7bc7dd8578..f29dbb767e8 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -902,7 +902,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
context->mtu_msgmax = (IB_MTU_4096 << 5) |
ilog2(dev->dev->caps.max_gso_sz);
else
- context->mtu_msgmax = (IB_MTU_4096 << 5) | 11;
+ context->mtu_msgmax = (IB_MTU_4096 << 5) | 12;
} else if (attr_mask & IB_QP_PATH_MTU) {
if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_4096) {
printk(KERN_ERR "path MTU (%u) is invalid\n",
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 0f2d3045061..7ebc400a4b3 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -337,7 +337,7 @@ static void ipoib_cm_init_rx_wr(struct net_device *dev,
sge[i].length = PAGE_SIZE;
wr->next = NULL;
- wr->sg_list = priv->cm.rx_sge;
+ wr->sg_list = sge;
wr->num_sge = priv->cm.num_frags;
}
diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c
index 578afce6884..aaa0b6f0b52 100644
--- a/drivers/media/dvb/dvb-usb/cxusb.c
+++ b/drivers/media/dvb/dvb-usb/cxusb.c
@@ -565,7 +565,8 @@ static int cxusb_lgh064f_tuner_attach(struct dvb_usb_adapter *adap)
static int dvico_bluebird_xc2028_callback(void *ptr, int command, int arg)
{
- struct dvb_usb_device *d = ptr;
+ struct dvb_usb_adapter *adap = ptr;
+ struct dvb_usb_device *d = adap->dev;
switch (command) {
case XC2028_TUNER_RESET:
@@ -593,9 +594,9 @@ static int cxusb_dvico_xc3028_tuner_attach(struct dvb_usb_adapter *adap)
.callback = dvico_bluebird_xc2028_callback,
};
static struct xc2028_ctrl ctl = {
- .fname = "xc3028-dvico-au-01.fw",
+ .fname = "xc3028-v27.fw",
.max_len = 64,
- .scode_table = XC3028_FE_ZARLINK456,
+ .demod = XC3028_FE_ZARLINK456,
};
fe = dvb_attach(xc2028_attach, adap->fe, &cfg);
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig
index 574dffe91b6..7dbb4a223c9 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -135,9 +135,8 @@ config DVB_CX22702
config DVB_DRX397XD
tristate "Micronas DRX3975D/DRX3977D based"
- depends on DVB_CORE && I2C && HOTPLUG
+ depends on DVB_CORE && I2C
default m if DVB_FE_CUSTOMISE
- select FW_LOADER
help
A DVB-T tuner module. Say Y when you want to support this frontend.
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index d4a6e56a713..ecbfa1b39b7 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -630,7 +630,7 @@ config VIDEO_ZORAN_ZR36060
depends on VIDEO_ZORAN
help
Say Y to support Zoran boards based on 36060 chips.
- This includes Iomega Bus, Pinnacle DC10, Linux media Labs 33
+ This includes Iomega Buz, Pinnacle DC10, Linux media Labs 33
and 33 R10 and AverMedia 6 boards.
config VIDEO_ZORAN_BUZ
diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c
index 56ebfd5ef6f..9e436ad3d34 100644
--- a/drivers/media/video/arv.c
+++ b/drivers/media/video/arv.c
@@ -29,6 +29,7 @@
#include <linux/sched.h>
#include <linux/videodev.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/mutex.h>
#include <asm/uaccess.h>
@@ -755,7 +756,6 @@ static const struct file_operations ar_fops = {
static struct video_device ar_template = {
.name = "Colour AR VGA",
- .type = VID_TYPE_CAPTURE,
.fops = &ar_fops,
.release = ar_release,
.minor = -1,
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 476ae44a62d..452da70e719 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -1015,6 +1015,7 @@ struct em28xx_board em28xx_boards[] = {
.valid = EM28XX_BOARD_NOT_VALIDATED,
.vchannels = 3,
.tuner_type = TUNER_XC2028,
+ .mts_firmware = 1,
.decoder = EM28XX_TVP5150,
.input = { {
.type = EM28XX_VMUX_TELEVISION,
diff --git a/drivers/media/video/gspca/conex.c b/drivers/media/video/gspca/conex.c
index 44b0bffeb20..cd3a3f5829b 100644
--- a/drivers/media/video/gspca/conex.c
+++ b/drivers/media/video/gspca/conex.c
@@ -123,7 +123,7 @@ static void reg_r(struct gspca_dev *gspca_dev,
{
struct usb_device *dev = gspca_dev->dev;
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
if (len > sizeof gspca_dev->usb_buf) {
err("reg_r: buffer overflow");
return;
@@ -163,7 +163,7 @@ static void reg_w(struct gspca_dev *gspca_dev,
{
struct usb_device *dev = gspca_dev->dev;
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
if (len > sizeof gspca_dev->usb_buf) {
err("reg_w: buffer overflow");
return;
diff --git a/drivers/media/video/gspca/etoms.c b/drivers/media/video/gspca/etoms.c
index c8c2f02fcf0..1dbe92d01e6 100644
--- a/drivers/media/video/gspca/etoms.c
+++ b/drivers/media/video/gspca/etoms.c
@@ -233,7 +233,7 @@ static void reg_r(struct gspca_dev *gspca_dev,
{
struct usb_device *dev = gspca_dev->dev;
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
if (len > sizeof gspca_dev->usb_buf) {
err("reg_r: buffer overflow");
return;
@@ -271,7 +271,7 @@ static void reg_w(struct gspca_dev *gspca_dev,
{
struct usb_device *dev = gspca_dev->dev;
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
if (len > sizeof gspca_dev->usb_buf) {
err("reg_w: buffer overflow");
return;
@@ -461,6 +461,52 @@ static void Et_init2(struct gspca_dev *gspca_dev)
reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */
}
+static void setbrightness(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int i;
+ __u8 brightness = sd->brightness;
+
+ for (i = 0; i < 4; i++)
+ reg_w_val(gspca_dev, ET_O_RED + i, brightness);
+}
+
+static void getbrightness(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int i;
+ int brightness = 0;
+
+ for (i = 0; i < 4; i++) {
+ reg_r(gspca_dev, ET_O_RED + i, 1);
+ brightness += gspca_dev->usb_buf[0];
+ }
+ sd->brightness = brightness >> 3;
+}
+
+static void setcontrast(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
+ __u8 contrast = sd->contrast;
+
+ memset(RGBG, contrast, sizeof(RGBG) - 2);
+ reg_w(gspca_dev, ET_G_RED, RGBG, 6);
+}
+
+static void getcontrast(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int i;
+ int contrast = 0;
+
+ for (i = 0; i < 4; i++) {
+ reg_r(gspca_dev, ET_G_RED + i, 1);
+ contrast += gspca_dev->usb_buf[0];
+ }
+ sd->contrast = contrast >> 2;
+}
+
static void setcolors(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
@@ -492,6 +538,16 @@ static void getcolors(struct gspca_dev *gspca_dev)
}
}
+static void setautogain(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->autogain)
+ sd->ag_cnt = AG_CNT_START;
+ else
+ sd->ag_cnt = -1;
+}
+
static void Et_init1(struct gspca_dev *gspca_dev)
{
__u8 value;
@@ -614,6 +670,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
sd->contrast = CONTRAST_DEF;
sd->colors = COLOR_DEF;
sd->autogain = AUTOGAIN_DEF;
+ sd->ag_cnt = -1;
return 0;
}
@@ -641,6 +698,8 @@ static void sd_start(struct gspca_dev *gspca_dev)
else
Et_init2(gspca_dev);
+ setautogain(gspca_dev);
+
reg_w_val(gspca_dev, ET_RESET_ALL, 0x08);
et_video(gspca_dev, 1); /* video on */
}
@@ -658,52 +717,6 @@ static void sd_close(struct gspca_dev *gspca_dev)
{
}
-static void setbrightness(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- int i;
- __u8 brightness = sd->brightness;
-
- for (i = 0; i < 4; i++)
- reg_w_val(gspca_dev, ET_O_RED + i, brightness);
-}
-
-static void getbrightness(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- int i;
- int brightness = 0;
-
- for (i = 0; i < 4; i++) {
- reg_r(gspca_dev, ET_O_RED + i, 1);
- brightness += gspca_dev->usb_buf[0];
- }
- sd->brightness = brightness >> 3;
-}
-
-static void setcontrast(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 };
- __u8 contrast = sd->contrast;
-
- memset(RGBG, contrast, sizeof(RGBG) - 2);
- reg_w(gspca_dev, ET_G_RED, RGBG, 6);
-}
-
-static void getcontrast(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- int i;
- int contrast = 0;
-
- for (i = 0; i < 4; i++) {
- reg_r(gspca_dev, ET_G_RED + i, 1);
- contrast += gspca_dev->usb_buf[0];
- }
- sd->contrast = contrast >> 2;
-}
-
static __u8 Et_getgainG(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
@@ -733,15 +746,22 @@ static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain)
#define LIMIT(color) \
(unsigned char)((color > 0xff)?0xff:((color < 0)?0:color))
-static void setautogain(struct gspca_dev *gspca_dev)
+static void do_autogain(struct gspca_dev *gspca_dev)
{
- __u8 luma = 0;
+ struct sd *sd = (struct sd *) gspca_dev;
+ __u8 luma;
__u8 luma_mean = 128;
__u8 luma_delta = 20;
__u8 spring = 4;
- int Gbright = 0;
+ int Gbright;
__u8 r, g, b;
+ if (sd->ag_cnt < 0)
+ return;
+ if (--sd->ag_cnt >= 0)
+ return;
+ sd->ag_cnt = AG_CNT_START;
+
Gbright = Et_getgainG(gspca_dev);
reg_r(gspca_dev, ET_LUMA_CENTER, 4);
g = (gspca_dev->usb_buf[0] + gspca_dev->usb_buf[3]) >> 1;
@@ -768,7 +788,6 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
__u8 *data, /* isoc packet */
int len) /* iso packet length */
{
- struct sd *sd;
int seqframe;
seqframe = data[0] & 0x3f;
@@ -783,13 +802,6 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
data, 0);
gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len);
- sd = (struct sd *) gspca_dev;
- if (sd->ag_cnt >= 0) {
- if (--sd->ag_cnt < 0) {
- sd->ag_cnt = AG_CNT_START;
- setautogain(gspca_dev);
- }
- }
return;
}
if (len) {
@@ -862,10 +874,8 @@ static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
struct sd *sd = (struct sd *) gspca_dev;
sd->autogain = val;
- if (val)
- sd->ag_cnt = AG_CNT_START;
- else
- sd->ag_cnt = -1;
+ if (gspca_dev->streaming)
+ setautogain(gspca_dev);
return 0;
}
@@ -889,6 +899,7 @@ static struct sd_desc sd_desc = {
.stop0 = sd_stop0,
.close = sd_close,
.pkt_scan = sd_pkt_scan,
+ .dq_callback = do_autogain,
};
/* -- module initialisation -- */
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 3a051c925ff..15d302b28b7 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -47,7 +47,7 @@ MODULE_LICENSE("GPL");
static int video_nr = -1;
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
int gspca_debug = D_ERR | D_PROBE;
EXPORT_SYMBOL(gspca_debug);
@@ -677,7 +677,7 @@ static int try_fmt_vid_cap(struct gspca_dev *gspca_dev,
w = fmt->fmt.pix.width;
h = fmt->fmt.pix.height;
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
if (gspca_debug & D_CONF)
PDEBUG_MODE("try fmt cap", fmt->fmt.pix.pixelformat, w, h);
#endif
@@ -785,7 +785,7 @@ static int dev_open(struct inode *inode, struct file *file)
}
gspca_dev->users++;
file->private_data = gspca_dev;
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
/* activate the v4l2 debug */
if (gspca_debug & D_V4L2)
gspca_dev->vdev.debug |= 3;
@@ -904,7 +904,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
if (ctrl->id != ctrls->qctrl.id)
continue;
if (ctrl->value < ctrls->qctrl.minimum
- && ctrl->value > ctrls->qctrl.maximum)
+ || ctrl->value > ctrls->qctrl.maximum)
return -ERANGE;
PDEBUG(D_CONF, "set ctrl [%08x] = %d", ctrl->id, ctrl->value);
if (mutex_lock_interruptible(&gspca_dev->usb_lock))
@@ -1080,7 +1080,7 @@ static int vidioc_streamon(struct file *file, void *priv,
if (ret < 0)
goto out;
}
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
if (gspca_debug & D_STREAM) {
PDEBUG_MODE("stream on OK",
gspca_dev->pixfmt,
@@ -1913,7 +1913,7 @@ static void __exit gspca_exit(void)
module_init(gspca_init);
module_exit(gspca_exit);
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
module_param_named(debug, gspca_debug, int, 0644);
MODULE_PARM_DESC(debug,
"Debug (bit) 0x01:error 0x02:probe 0x04:config"
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index 3fd2c4eee20..67e448940ea 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -9,7 +9,10 @@
#include <media/v4l2-common.h>
#include <linux/mutex.h>
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+/* compilation option */
+#define GSPCA_DEBUG 1
+
+#ifdef GSPCA_DEBUG
/* GSPCA our debug messages */
extern int gspca_debug;
#define PDEBUG(level, fmt, args...) \
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index 83139efc462..b4f00ec0885 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -40,14 +40,15 @@ struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
/* Determined by sensor type */
- short maxwidth;
- short maxheight;
+ char sif;
unsigned char primary_i2c_slave; /* I2C write id of sensor */
unsigned char brightness;
unsigned char contrast;
unsigned char colors;
+ __u8 hflip;
+ __u8 vflip;
char compress; /* Should the next frame be compressed? */
char compress_inited; /* Are compression params uploaded? */
@@ -77,9 +78,12 @@ static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val);
static struct ctrl sd_ctrls[] = {
-#define SD_BRIGHTNESS 0
{
{
.id = V4L2_CID_BRIGHTNESS,
@@ -88,12 +92,12 @@ static struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 255,
.step = 1,
- .default_value = 127,
+#define BRIGHTNESS_DEF 127
+ .default_value = BRIGHTNESS_DEF,
},
.set = sd_setbrightness,
.get = sd_getbrightness,
},
-#define SD_CONTRAST 1
{
{
.id = V4L2_CID_CONTRAST,
@@ -102,31 +106,61 @@ static struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 255,
.step = 1,
- .default_value = 127,
+#define CONTRAST_DEF 127
+ .default_value = CONTRAST_DEF,
},
.set = sd_setcontrast,
.get = sd_getcontrast,
},
-#define SD_COLOR 2
{
{
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Saturation",
+ .name = "Color",
.minimum = 0,
.maximum = 255,
.step = 1,
- .default_value = 127,
+#define COLOR_DEF 127
+ .default_value = COLOR_DEF,
},
.set = sd_setcolors,
.get = sd_getcolors,
},
+/* next controls work with ov7670 only */
+ {
+ {
+ .id = V4L2_CID_HFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Mirror",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+#define HFLIP_DEF 0
+ .default_value = HFLIP_DEF,
+ },
+ .set = sd_sethflip,
+ .get = sd_gethflip,
+ },
+ {
+ {
+ .id = V4L2_CID_VFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Vflip",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+#define VFLIP_DEF 0
+ .default_value = VFLIP_DEF,
+ },
+ .set = sd_setvflip,
+ .get = sd_getvflip,
+ },
};
static struct v4l2_pix_format vga_mode[] = {
{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 320,
- .sizeimage = 320 * 240 * 3 / 8 + 589,
+ .sizeimage = 320 * 240 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 1},
{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
@@ -138,12 +172,12 @@ static struct v4l2_pix_format vga_mode[] = {
static struct v4l2_pix_format sif_mode[] = {
{176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 176,
- .sizeimage = 176 * 144 * 3 / 8 + 589,
+ .sizeimage = 176 * 144 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 1},
{352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 352,
- .sizeimage = 352 * 288 * 3 / 8 + 589,
+ .sizeimage = 352 * 288 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 0},
};
@@ -225,6 +259,7 @@ static struct v4l2_pix_format sif_mode[] = {
#define OV7670_REG_VSTART 0x19 /* Vert start high bits */
#define OV7670_REG_VSTOP 0x1a /* Vert stop high bits */
#define OV7670_REG_MVFP 0x1e /* Mirror / vflip */
+#define OV7670_MVFP_VFLIP 0x10 /* vertical flip */
#define OV7670_MVFP_MIRROR 0x20 /* Mirror image */
#define OV7670_REG_AEW 0x24 /* AGC upper limit */
#define OV7670_REG_AEB 0x25 /* AGC lower limit */
@@ -258,16 +293,6 @@ static struct v4l2_pix_format sif_mode[] = {
#define OV7670_REG_HAECC7 0xaa /* Hist AEC/AGC control 7 */
#define OV7670_REG_BD60MAX 0xab /* 60hz banding step limit */
-struct ovsensor_window {
- short x;
- short y;
- short width;
- short height;
-/* int format; */
- short quarter; /* Scale width and height down 2x */
- short clockdiv; /* Clock divisor setting */
-};
-
static unsigned char ov7670_abs_to_sm(unsigned char v)
{
if (v > 127)
@@ -499,19 +524,6 @@ static int init_ov_sensor(struct sd *sd)
return 0;
}
-/* Switch on standard JPEG compression. Returns 0 for success. */
-static int ov519_init_compression(struct sd *sd)
-{
- if (!sd->compress_inited) {
- if (reg_w_mask(sd, OV519_SYS_EN_CLK1, 1 << 2, 1 << 2) < 0) {
- PDEBUG(D_ERR, "Error switching to compressed mode");
- return -EIO;
- }
- sd->compress_inited = 1;
- }
- return 0;
-}
-
/* Set the read and write slave IDs. The "slave" argument is the write slave,
* and the read slave will be set to (slave + 1).
* This should not be called from outside the i2c I/O functions.
@@ -681,21 +693,17 @@ static int ov8xx0_configure(struct sd *sd)
return -1;
}
if ((rc & 3) == 1) {
- PDEBUG(D_PROBE, "Sensor is an OV8610");
sd->sensor = SEN_OV8610;
} else {
PDEBUG(D_ERR, "Unknown image sensor version: %d", rc & 3);
return -1;
}
PDEBUG(D_PROBE, "Writing 8610 registers");
- if (write_i2c_regvals(sd,
- norm_8610,
- sizeof norm_8610 / sizeof norm_8610[0]))
+ if (write_i2c_regvals(sd, norm_8610, ARRAY_SIZE(norm_8610)))
return -1;
/* Set sensor-specific vars */
- sd->maxwidth = 640;
- sd->maxheight = 480;
+/* sd->sif = 0; already done */
return 0;
}
@@ -825,7 +833,7 @@ static int ov7xx0_configure(struct sd *sd)
{ OV7670_REG_COM7, OV7670_COM7_RESET },
{ OV7670_REG_TSLB, 0x04 }, /* OV */
{ OV7670_REG_COM7, OV7670_COM7_FMT_VGA }, /* VGA */
- { OV7670_REG_CLKRC, 0x1 },
+ { OV7670_REG_CLKRC, 0x01 },
/*
* Set the hardware window. These values from OV don't entirely
* make sense - hstop is less than hstart. But they work...
@@ -839,16 +847,12 @@ static int ov7xx0_configure(struct sd *sd)
{ 0x70, 0x3a }, { 0x71, 0x35 },
{ 0x72, 0x11 }, { 0x73, 0xf0 },
{ 0xa2, 0x02 },
-/* jfm */
-/* { OV7670_REG_COM10, 0x0 }, */
+/* { OV7670_REG_COM10, 0x0 }, */
/* Gamma curve values */
{ 0x7a, 0x20 },
-/* jfm:win 7b=1c */
{ 0x7b, 0x10 },
-/* jfm:win 7c=28 */
{ 0x7c, 0x1e },
-/* jfm:win 7d=3c */
{ 0x7d, 0x35 },
{ 0x7e, 0x5a }, { 0x7f, 0x69 },
{ 0x80, 0x76 }, { 0x81, 0x80 },
@@ -864,13 +868,11 @@ static int ov7xx0_configure(struct sd *sd)
| OV7670_COM8_BFILT },
{ OV7670_REG_GAIN, 0 }, { OV7670_REG_AECH, 0 },
{ OV7670_REG_COM4, 0x40 }, /* magic reserved bit */
-/* jfm:win 14=38 */
{ OV7670_REG_COM9, 0x18 }, /* 4x gain + magic rsvd bit */
{ OV7670_REG_BD50MAX, 0x05 }, { OV7670_REG_BD60MAX, 0x07 },
{ OV7670_REG_AEW, 0x95 }, { OV7670_REG_AEB, 0x33 },
{ OV7670_REG_VPT, 0xe3 }, { OV7670_REG_HAECC1, 0x78 },
{ OV7670_REG_HAECC2, 0x68 },
-/* jfm:win a1=0b */
{ 0xa1, 0x03 }, /* magic */
{ OV7670_REG_HAECC3, 0xd8 }, { OV7670_REG_HAECC4, 0xd8 },
{ OV7670_REG_HAECC5, 0xf0 }, { OV7670_REG_HAECC6, 0x90 },
@@ -884,8 +886,6 @@ static int ov7xx0_configure(struct sd *sd)
/* Almost all of these are magic "reserved" values. */
{ OV7670_REG_COM5, 0x61 }, { OV7670_REG_COM6, 0x4b },
{ 0x16, 0x02 },
-/* jfm */
-/* { OV7670_REG_MVFP, 0x07|OV7670_MVFP_MIRROR }, */
{ OV7670_REG_MVFP, 0x07 },
{ 0x21, 0x02 }, { 0x22, 0x91 },
{ 0x29, 0x07 }, { 0x33, 0x0b },
@@ -930,7 +930,10 @@ static int ov7xx0_configure(struct sd *sd)
{ OV7670_REG_EDGE, 0 },
{ 0x75, 0x05 }, { 0x76, 0xe1 },
{ 0x4c, 0 }, { 0x77, 0x01 },
- { OV7670_REG_COM13, 0xc3 }, { 0x4b, 0x09 },
+ { OV7670_REG_COM13, OV7670_COM13_GAMMA
+ | OV7670_COM13_UVSAT
+ | 2}, /* was 3 */
+ { 0x4b, 0x09 },
{ 0xc9, 0x60 }, { OV7670_REG_COM16, 0x38 },
{ 0x56, 0x40 },
@@ -956,30 +959,10 @@ static int ov7xx0_configure(struct sd *sd)
{ 0x79, 0x03 }, { 0xc8, 0x40 },
{ 0x79, 0x05 }, { 0xc8, 0x30 },
{ 0x79, 0x26 },
-
- /* Format YUV422 */
- { OV7670_REG_COM7, OV7670_COM7_YUV }, /* Selects YUV mode */
- { OV7670_REG_RGB444, 0 }, /* No RGB444 please */
- { OV7670_REG_COM1, 0 },
- { OV7670_REG_COM15, OV7670_COM15_R00FF },
- { OV7670_REG_COM9, 0x18 },
- /* 4x gain ceiling; 0x8 is reserved bit */
- { 0x4f, 0x80 }, /* "matrix coefficient 1" */
- { 0x50, 0x80 }, /* "matrix coefficient 2" */
- { 0x52, 0x22 }, /* "matrix coefficient 4" */
- { 0x53, 0x5e }, /* "matrix coefficient 5" */
- { 0x54, 0x80 }, /* "matrix coefficient 6" */
- { OV7670_REG_COM13, OV7670_COM13_GAMMA|OV7670_COM13_UVSAT },
-};
+ };
PDEBUG(D_PROBE, "starting OV7xx0 configuration");
-/* jfm:already done? */
- if (init_ov_sensor(sd) < 0)
- PDEBUG(D_ERR, "Failed to read sensor ID");
- else
- PDEBUG(D_PROBE, "OV7xx0 initialized");
-
/* Detect sensor (sub)type */
rc = i2c_r(sd, OV7610_REG_COM_I);
@@ -1025,20 +1008,25 @@ static int ov7xx0_configure(struct sd *sd)
return low;
}
if (high == 0x76) {
- if (low == 0x30) {
+ switch (low) {
+ case 0x30:
PDEBUG(D_PROBE, "Sensor is an OV7630/OV7635");
sd->sensor = SEN_OV7630;
- } else if (low == 0x40) {
+ break;
+ case 0x40:
PDEBUG(D_PROBE, "Sensor is an OV7645");
sd->sensor = SEN_OV7640; /* FIXME */
- } else if (low == 0x45) {
+ break;
+ case 0x45:
PDEBUG(D_PROBE, "Sensor is an OV7645B");
sd->sensor = SEN_OV7640; /* FIXME */
- } else if (low == 0x48) {
+ break;
+ case 0x48:
PDEBUG(D_PROBE, "Sensor is an OV7648");
sd->sensor = SEN_OV7640; /* FIXME */
- } else {
- PDEBUG(D_PROBE, "Unknown sensor: 0x76%X", low);
+ break;
+ default:
+ PDEBUG(D_PROBE, "Unknown sensor: 0x76%x", low);
return -1;
}
} else {
@@ -1050,34 +1038,34 @@ static int ov7xx0_configure(struct sd *sd)
return -1;
}
- if (sd->sensor == SEN_OV7620) {
+ switch (sd->sensor) {
+ case SEN_OV7620:
PDEBUG(D_PROBE, "Writing 7620 registers");
- if (write_i2c_regvals(sd, norm_7620,
- sizeof norm_7620 / sizeof norm_7620[0]))
+ if (write_i2c_regvals(sd, norm_7620, ARRAY_SIZE(norm_7620)))
return -1;
- } else if (sd->sensor == SEN_OV7630) {
+ break;
+ case SEN_OV7630:
PDEBUG(D_ERR, "7630 is not supported by this driver version");
return -1;
- } else if (sd->sensor == SEN_OV7640) {
+ case SEN_OV7640:
PDEBUG(D_PROBE, "Writing 7640 registers");
- if (write_i2c_regvals(sd, norm_7640,
- sizeof norm_7640 / sizeof norm_7640[0]))
+ if (write_i2c_regvals(sd, norm_7640, ARRAY_SIZE(norm_7640)))
return -1;
- } else if (sd->sensor == SEN_OV7670) {
+ break;
+ case SEN_OV7670:
PDEBUG(D_PROBE, "Writing 7670 registers");
- if (write_i2c_regvals(sd, norm_7670,
- sizeof norm_7670 / sizeof norm_7670[0]))
+ if (write_i2c_regvals(sd, norm_7670, ARRAY_SIZE(norm_7670)))
return -1;
- } else {
+ break;
+ default:
PDEBUG(D_PROBE, "Writing 7610 registers");
- if (write_i2c_regvals(sd, norm_7610,
- sizeof norm_7610 / sizeof norm_7610[0]))
+ if (write_i2c_regvals(sd, norm_7610, ARRAY_SIZE(norm_7610)))
return -1;
+ break;
}
/* Set sensor-specific vars */
- sd->maxwidth = 640;
- sd->maxheight = 480;
+/* sd->sif = 0; already done */
return 0;
}
@@ -1231,43 +1219,45 @@ static int ov6xx0_configure(struct sd *sd)
/* Ugh. The first two bits are the version bits, but
* the entire register value must be used. I guess OVT
* underestimated how many variants they would make. */
- if (rc == 0x00) {
+ switch (rc) {
+ case 0x00:
sd->sensor = SEN_OV6630;
PDEBUG(D_ERR,
"WARNING: Sensor is an OV66308. Your camera may have");
PDEBUG(D_ERR, "been misdetected in previous driver versions.");
- } else if (rc == 0x01) {
+ break;
+ case 0x01:
sd->sensor = SEN_OV6620;
- PDEBUG(D_PROBE, "Sensor is an OV6620");
- } else if (rc == 0x02) {
+ break;
+ case 0x02:
sd->sensor = SEN_OV6630;
PDEBUG(D_PROBE, "Sensor is an OV66308AE");
- } else if (rc == 0x03) {
+ break;
+ case 0x03:
sd->sensor = SEN_OV6630;
PDEBUG(D_PROBE, "Sensor is an OV66308AF");
- } else if (rc == 0x90) {
+ break;
+ case 0x90:
sd->sensor = SEN_OV6630;
PDEBUG(D_ERR,
"WARNING: Sensor is an OV66307. Your camera may have");
PDEBUG(D_ERR, "been misdetected in previous driver versions.");
- } else {
+ break;
+ default:
PDEBUG(D_ERR, "FATAL: Unknown sensor version: 0x%02x", rc);
return -1;
}
/* Set sensor-specific vars */
- sd->maxwidth = 352;
- sd->maxheight = 288;
+ sd->sif = 1;
if (sd->sensor == SEN_OV6620) {
PDEBUG(D_PROBE, "Writing 6x20 registers");
- if (write_i2c_regvals(sd, norm_6x20,
- sizeof norm_6x20 / sizeof norm_6x20[0]))
+ if (write_i2c_regvals(sd, norm_6x20, ARRAY_SIZE(norm_6x20)))
return -1;
} else {
PDEBUG(D_PROBE, "Writing 6x30 registers");
- if (write_i2c_regvals(sd, norm_6x30,
- sizeof norm_6x30 / sizeof norm_6x30[0]))
+ if (write_i2c_regvals(sd, norm_6x30, ARRAY_SIZE(norm_6x30)))
return -1;
}
return 0;
@@ -1276,14 +1266,8 @@ static int ov6xx0_configure(struct sd *sd)
/* Turns on or off the LED. Only has an effect with OV511+/OV518(+)/OV519 */
static void ov51x_led_control(struct sd *sd, int on)
{
- PDEBUG(D_STREAM, "LED (%s)", on ? "on" : "off");
-
-/* if (sd->bridge == BRG_OV511PLUS) */
-/* reg_w(sd, R511_SYS_LED_CTL, on ? 1 : 0); */
-/* else if (sd->bridge == BRG_OV519) */
- reg_w_mask(sd, OV519_GPIO_DATA_OUT0, !on, 1); /* 0 / 1 */
-/* else if (sd->bclass == BCL_OV518) */
-/* reg_w_mask(sd, R518_GPIO_OUT, on ? 0x02 : 0x00, 0x02); */
+/* PDEBUG(D_STREAM, "LED (%s)", on ? "on" : "off"); */
+ reg_w_mask(sd, OV519_GPIO_DATA_OUT0, !on, 1); /* 0 / 1 */
}
/* this function is called at probe time */
@@ -1293,11 +1277,8 @@ static int sd_config(struct gspca_dev *gspca_dev,
struct sd *sd = (struct sd *) gspca_dev;
struct cam *cam;
-/* (from ov519_configure) */
static const struct ov_regvals init_519[] = {
{ 0x5a, 0x6d }, /* EnableSystem */
-/* jfm trace usbsnoop3-1.txt */
-/* jfm 53 = fb */
{ 0x53, 0x9b },
{ 0x54, 0xff }, /* set bit2 to enable jpeg */
{ 0x5d, 0x03 },
@@ -1314,9 +1295,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
if (write_regvals(sd, init_519, ARRAY_SIZE(init_519)))
goto error;
-/* jfm: not seen in windows trace */
- if (ov519_init_compression(sd))
- goto error;
ov51x_led_control(sd, 0); /* turn LED off */
/* Test for 76xx */
@@ -1365,16 +1343,18 @@ static int sd_config(struct gspca_dev *gspca_dev,
cam = &gspca_dev->cam;
cam->epaddr = OV511_ENDPOINT_ADDRESS;
- if (sd->maxwidth == 640) {
+ if (!sd->sif) {
cam->cam_mode = vga_mode;
- cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
+ cam->nmodes = ARRAY_SIZE(vga_mode);
} else {
cam->cam_mode = sif_mode;
- cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
+ cam->nmodes = ARRAY_SIZE(sif_mode);
}
- sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
- sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
- sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value;
+ sd->brightness = BRIGHTNESS_DEF;
+ sd->contrast = CONTRAST_DEF;
+ sd->colors = COLOR_DEF;
+ sd->hflip = HFLIP_DEF;
+ sd->vflip = VFLIP_DEF;
return 0;
error:
PDEBUG(D_ERR, "OV519 Config failed");
@@ -1394,8 +1374,7 @@ static int sd_open(struct gspca_dev *gspca_dev)
*
* Do not put any sensor-specific code in here (including I2C I/O functions)
*/
-static int ov519_mode_init_regs(struct sd *sd,
- int width, int height)
+static int ov519_mode_init_regs(struct sd *sd)
{
static const struct ov_regvals mode_init_519_ov7670[] = {
{ 0x5d, 0x03 }, /* Turn off suspend mode */
@@ -1441,36 +1420,23 @@ static int ov519_mode_init_regs(struct sd *sd,
/* windows reads 0x55 at this point, why? */
};
-/* int hi_res; */
-
- PDEBUG(D_CONF, "mode init %dx%d", width, height);
-
-/* if (width >= 800 && height >= 600)
- hi_res = 1;
- else
- hi_res = 0; */
-
-/* if (ov51x_stop(sd) < 0)
- return -EIO; */
-
/******** Set the mode ********/
if (sd->sensor != SEN_OV7670) {
if (write_regvals(sd, mode_init_519,
ARRAY_SIZE(mode_init_519)))
return -EIO;
+ if (sd->sensor == SEN_OV7640) {
+ /* Select 8-bit input mode */
+ reg_w_mask(sd, OV519_CAM_DFR, 0x10, 0x10);
+ }
} else {
if (write_regvals(sd, mode_init_519_ov7670,
ARRAY_SIZE(mode_init_519_ov7670)))
return -EIO;
}
- if (sd->sensor == SEN_OV7640) {
- /* Select 8-bit input mode */
- reg_w_mask(sd, OV519_CAM_DFR, 0x10, 0x10);
- }
-
- reg_w(sd, OV519_CAM_H_SIZE, width >> 4);
- reg_w(sd, OV519_CAM_V_SIZE, height >> 3);
+ reg_w(sd, OV519_CAM_H_SIZE, sd->gspca_dev.width >> 4);
+ reg_w(sd, OV519_CAM_V_SIZE, sd->gspca_dev.height >> 3);
reg_w(sd, OV519_CAM_X_OFFSETL, 0x00);
reg_w(sd, OV519_CAM_X_OFFSETH, 0x00);
reg_w(sd, OV519_CAM_Y_OFFSETL, 0x00);
@@ -1485,9 +1451,10 @@ static int ov519_mode_init_regs(struct sd *sd,
/* FIXME: These are only valid at the max resolution. */
sd->clockdiv = 0;
- if (sd->sensor == SEN_OV7640) {
+ switch (sd->sensor) {
+ case SEN_OV7640:
switch (sd->frame_rate) {
-/*jfm: default was 30 fps */
+/*fixme: default was 30 fps */
case 30:
reg_w(sd, 0xa4, 0x0c);
reg_w(sd, 0x23, 0xff);
@@ -1517,7 +1484,8 @@ static int ov519_mode_init_regs(struct sd *sd,
sd->clockdiv = 1;
break;
}
- } else if (sd->sensor == SEN_OV8610) {
+ break;
+ case SEN_OV8610:
switch (sd->frame_rate) {
default: /* 15 fps */
/* case 15: */
@@ -1533,41 +1501,37 @@ static int ov519_mode_init_regs(struct sd *sd,
reg_w(sd, 0x23, 0x1b);
break;
}
- sd->clockdiv = 0;
- } else if (sd->sensor == SEN_OV7670) { /* guesses, based on 7640 */
+ break;
+ case SEN_OV7670: /* guesses, based on 7640 */
PDEBUG(D_STREAM, "Setting framerate to %d fps",
(sd->frame_rate == 0) ? 15 : sd->frame_rate);
+ reg_w(sd, 0xa4, 0x10);
switch (sd->frame_rate) {
case 30:
- reg_w(sd, 0xa4, 0x10);
reg_w(sd, 0x23, 0xff);
break;
case 20:
- reg_w(sd, 0xa4, 0x10);
reg_w(sd, 0x23, 0x1b);
break;
- default: /* 15 fps */
-/* case 15: */
- reg_w(sd, 0xa4, 0x10);
+ default:
+/* case 15: */
reg_w(sd, 0x23, 0xff);
sd->clockdiv = 1;
break;
}
+ break;
}
-/* if (ov51x_restart(sd) < 0)
- return -EIO; */
-
- /* Reset it just for good measure */
-/* if (ov51x_reset(sd, OV511_RESET_NOREGS) < 0)
- return -EIO; */
return 0;
}
-static int mode_init_ov_sensor_regs(struct sd *sd,
- struct ovsensor_window *win)
+static int mode_init_ov_sensor_regs(struct sd *sd)
{
- int qvga = win->quarter;
+ struct gspca_dev *gspca_dev;
+ int qvga;
+
+ gspca_dev = &sd->gspca_dev;
+ qvga = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
/******** Mode (VGA/QVGA) and sensor specific regs ********/
switch (sd->sensor) {
@@ -1611,8 +1575,6 @@ static int mode_init_ov_sensor_regs(struct sd *sd,
OV7670_COM7_FMT_MASK);
break;
case SEN_OV6620:
- i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
- break;
case SEN_OV6630:
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
break;
@@ -1621,24 +1583,21 @@ static int mode_init_ov_sensor_regs(struct sd *sd,
}
/******** Palette-specific regs ********/
-/* Need to do work here for the OV7670 */
-
- if (sd->sensor == SEN_OV7610 || sd->sensor == SEN_OV76BE) {
- /* not valid on the OV6620/OV7620/6630? */
- i2c_w_mask(sd, 0x0e, 0x00, 0x40);
- }
+ if (sd->sensor == SEN_OV7610 || sd->sensor == SEN_OV76BE) {
+ /* not valid on the OV6620/OV7620/6630? */
+ i2c_w_mask(sd, 0x0e, 0x00, 0x40);
+ }
- /* The OV518 needs special treatment. Although both the OV518
- * and the OV6630 support a 16-bit video bus, only the 8 bit Y
- * bus is actually used. The UV bus is tied to ground.
- * Therefore, the OV6630 needs to be in 8-bit multiplexed
- * output mode */
+ /* The OV518 needs special treatment. Although both the OV518
+ * and the OV6630 support a 16-bit video bus, only the 8 bit Y
+ * bus is actually used. The UV bus is tied to ground.
+ * Therefore, the OV6630 needs to be in 8-bit multiplexed
+ * output mode */
- /* OV7640 is 8-bit only */
+ /* OV7640 is 8-bit only */
- if (sd->sensor != SEN_OV6630 && sd->sensor != SEN_OV7640)
- i2c_w_mask(sd, 0x13, 0x00, 0x20);
-/* } */
+ if (sd->sensor != SEN_OV6630 && sd->sensor != SEN_OV7640)
+ i2c_w_mask(sd, 0x13, 0x00, 0x20);
/******** Clock programming ********/
/* The OV6620 needs special handling. This prevents the
@@ -1647,14 +1606,14 @@ static int mode_init_ov_sensor_regs(struct sd *sd,
/* Clock down */
i2c_w(sd, 0x2a, 0x04);
- i2c_w(sd, 0x11, win->clockdiv);
+ i2c_w(sd, 0x11, sd->clockdiv);
i2c_w(sd, 0x2a, 0x84);
/* This next setting is critical. It seems to improve
* the gain or the contrast. The "reserved" bits seem
* to have some effect in this case. */
i2c_w(sd, 0x2d, 0x85);
- } else if (win->clockdiv >= 0) {
- i2c_w(sd, 0x11, win->clockdiv);
+ } else if (sd->clockdiv >= 0) {
+ i2c_w(sd, 0x11, sd->clockdiv);
}
/******** Special Features ********/
@@ -1674,7 +1633,7 @@ static int mode_init_ov_sensor_regs(struct sd *sd,
/* is fully tested. */
/* 7620/6620/6630? don't have register 0x35, so play it safe */
if (sd->sensor == SEN_OV7610 || sd->sensor == SEN_OV76BE) {
- if (win->width == 640 /*&& win->height == 480*/)
+ if (!qvga)
i2c_w(sd, 0x35, 0x9e);
else
i2c_w(sd, 0x35, 0x1e);
@@ -1682,13 +1641,31 @@ static int mode_init_ov_sensor_regs(struct sd *sd,
return 0;
}
-static int set_ov_sensor_window(struct sd *sd,
- struct ovsensor_window *win)
+static void sethvflip(struct sd *sd)
{
+ if (sd->sensor != SEN_OV7670)
+ return;
+ if (sd->gspca_dev.streaming)
+ ov51x_stop(sd);
+ i2c_w_mask(sd, OV7670_REG_MVFP,
+ OV7670_MVFP_MIRROR * sd->hflip
+ | OV7670_MVFP_VFLIP * sd->vflip,
+ OV7670_MVFP_MIRROR | OV7670_MVFP_VFLIP);
+ if (sd->gspca_dev.streaming)
+ ov51x_restart(sd);
+}
+
+static int set_ov_sensor_window(struct sd *sd)
+{
+ struct gspca_dev *gspca_dev;
+ int qvga;
int hwsbase, hwebase, vwsbase, vwebase, hwscale, vwscale;
int ret, hstart, hstop, vstop, vstart;
__u8 v;
+ gspca_dev = &sd->gspca_dev;
+ qvga = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
+
/* The different sensor ICs handle setting up of window differently.
* IF YOU SET IT WRONG, YOU WILL GET ALL ZERO ISOC DATA FROM OV51x!! */
switch (sd->sensor) {
@@ -1733,7 +1710,7 @@ static int set_ov_sensor_window(struct sd *sd,
switch (sd->sensor) {
case SEN_OV6620:
case SEN_OV6630:
- if (win->quarter) { /* QCIF */
+ if (qvga) { /* QCIF */
hwscale = 0;
vwscale = 0;
} else { /* CIF */
@@ -1743,7 +1720,7 @@ static int set_ov_sensor_window(struct sd *sd,
}
break;
case SEN_OV8610:
- if (win->quarter) { /* QSVGA */
+ if (qvga) { /* QSVGA */
hwscale = 1;
vwscale = 1;
} else { /* SVGA */
@@ -1752,7 +1729,7 @@ static int set_ov_sensor_window(struct sd *sd,
}
break;
default: /* SEN_OV7xx0 */
- if (win->quarter) { /* QVGA */
+ if (qvga) { /* QVGA */
hwscale = 1;
vwscale = 0;
} else { /* VGA */
@@ -1761,7 +1738,7 @@ static int set_ov_sensor_window(struct sd *sd,
}
}
- ret = mode_init_ov_sensor_regs(sd, win);
+ ret = mode_init_ov_sensor_regs(sd);
if (ret < 0)
return ret;
@@ -1782,7 +1759,7 @@ static int set_ov_sensor_window(struct sd *sd,
/* I can hard code this for OV7670s */
/* Yes, these numbers do look odd, but they're tested and work! */
if (sd->sensor == SEN_OV7670) {
- if (win->quarter) { /* QVGA from ov7670.c by
+ if (qvga) { /* QVGA from ov7670.c by
* Jonathan Corbet */
hstart = 164;
hstop = 20;
@@ -1796,75 +1773,45 @@ static int set_ov_sensor_window(struct sd *sd,
}
/* OV7670 hardware window registers are split across
* multiple locations */
- i2c_w(sd, OV7670_REG_HSTART, (hstart >> 3) & 0xff);
- i2c_w(sd, OV7670_REG_HSTOP, (hstop >> 3) & 0xff);
+ i2c_w(sd, OV7670_REG_HSTART, hstart >> 3);
+ i2c_w(sd, OV7670_REG_HSTOP, hstop >> 3);
v = i2c_r(sd, OV7670_REG_HREF);
v = (v & 0xc0) | ((hstop & 0x7) << 3) | (hstart & 0x07);
msleep(10); /* need to sleep between read and write to
* same reg! */
i2c_w(sd, OV7670_REG_HREF, v);
- i2c_w(sd, OV7670_REG_VSTART, (vstart >> 2) & 0xff);
- i2c_w(sd, OV7670_REG_VSTOP, (vstop >> 2) & 0xff);
+ i2c_w(sd, OV7670_REG_VSTART, vstart >> 2);
+ i2c_w(sd, OV7670_REG_VSTOP, vstop >> 2);
v = i2c_r(sd, OV7670_REG_VREF);
v = (v & 0xc0) | ((vstop & 0x3) << 2) | (vstart & 0x03);
msleep(10); /* need to sleep between read and write to
* same reg! */
i2c_w(sd, OV7670_REG_VREF, v);
-
+ sethvflip(sd);
} else {
- i2c_w(sd, 0x17, hwsbase + (win->x >> hwscale));
- i2c_w(sd, 0x18, hwebase + ((win->x + win->width) >> hwscale));
- i2c_w(sd, 0x19, vwsbase + (win->y >> vwscale));
- i2c_w(sd, 0x1a, vwebase + ((win->y + win->height) >> vwscale));
+ i2c_w(sd, 0x17, hwsbase);
+ i2c_w(sd, 0x18, hwebase + (sd->gspca_dev.width >> hwscale));
+ i2c_w(sd, 0x19, vwsbase);
+ i2c_w(sd, 0x1a, vwebase + (sd->gspca_dev.height >> vwscale));
}
return 0;
}
-static int ov_sensor_mode_setup(struct sd *sd,
- int width, int height)
-{
- struct ovsensor_window win;
-
-/* win.format = mode; */
-
- /* Unless subcapture is enabled,
- * center the image window and downsample
- * if possible to increase the field of view */
- /* NOTE: OV518(+) and OV519 does downsampling on its own */
- win.width = width;
- win.height = height;
- if (width == sd->maxwidth)
- win.quarter = 0;
- else
- win.quarter = 1;
-
- /* Center it */
- win.x = (win.width - width) / 2;
- win.y = (win.height - height) / 2;
-
- /* Clock is determined by OV519 frame rate code */
- win.clockdiv = sd->clockdiv;
-
- PDEBUG(D_CONF, "Setting clock divider to %d", win.clockdiv);
- return set_ov_sensor_window(sd, &win);
-}
-
/* -- start the camera -- */
static void sd_start(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int ret;
-
- ret = ov519_mode_init_regs(sd, gspca_dev->width, gspca_dev->height);
+ ret = ov519_mode_init_regs(sd);
if (ret < 0)
goto out;
- ret = ov_sensor_mode_setup(sd, gspca_dev->width, gspca_dev->height);
+ ret = set_ov_sensor_window(sd);
if (ret < 0)
goto out;
- ret = ov51x_restart((struct sd *) gspca_dev);
+ ret = ov51x_restart(sd);
if (ret < 0)
goto out;
PDEBUG(D_STREAM, "camera started alt: 0x%02x", gspca_dev->alt);
@@ -1938,12 +1885,10 @@ static void setbrightness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int val;
-/* int was_streaming; */
val = sd->brightness;
PDEBUG(D_CONF, "brightness:%d", val);
-/* was_streaming = gspca_dev->streaming;
- * if (was_streaming)
+/* if (gspca_dev->streaming)
* ov51x_stop(sd); */
switch (sd->sensor) {
case SEN_OV8610:
@@ -1961,12 +1906,12 @@ static void setbrightness(struct gspca_dev *gspca_dev)
i2c_w(sd, OV7610_REG_BRT, val);
break;
case SEN_OV7670:
-/*jfm - from windblows
+/*win trace
* i2c_w_mask(sd, OV7670_REG_COM8, 0, OV7670_COM8_AEC); */
i2c_w(sd, OV7670_REG_BRIGHT, ov7670_abs_to_sm(val));
break;
}
-/* if (was_streaming)
+/* if (gspca_dev->streaming)
* ov51x_restart(sd); */
}
@@ -1974,12 +1919,10 @@ static void setcontrast(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int val;
-/* int was_streaming; */
val = sd->contrast;
PDEBUG(D_CONF, "contrast:%d", val);
-/* was_streaming = gspca_dev->streaming;
- if (was_streaming)
+/* if (gspca_dev->streaming)
ov51x_stop(sd); */
switch (sd->sensor) {
case SEN_OV7610:
@@ -2016,7 +1959,7 @@ static void setcontrast(struct gspca_dev *gspca_dev)
i2c_w(sd, OV7670_REG_CONTRAS, val >> 1);
break;
}
-/* if (was_streaming)
+/* if (gspca_dev->streaming)
ov51x_restart(sd); */
}
@@ -2024,12 +1967,10 @@ static void setcolors(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int val;
-/* int was_streaming; */
val = sd->colors;
PDEBUG(D_CONF, "saturation:%d", val);
-/* was_streaming = gspca_dev->streaming;
- if (was_streaming)
+/* if (gspca_dev->streaming)
ov51x_stop(sd); */
switch (sd->sensor) {
case SEN_OV8610:
@@ -2055,7 +1996,7 @@ static void setcolors(struct gspca_dev *gspca_dev)
/* set REG_COM13 values for UV sat auto mode */
break;
}
-/* if (was_streaming)
+/* if (gspca_dev->streaming)
ov51x_restart(sd); */
}
@@ -2110,6 +2051,40 @@ static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
return 0;
}
+static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->hflip = val;
+ sethvflip(sd);
+ return 0;
+}
+
+static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->hflip;
+ return 0;
+}
+
+static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->vflip = val;
+ sethvflip(sd);
+ return 0;
+}
+
+static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->vflip;
+ return 0;
+}
+
/* sub-driver description */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
@@ -2178,4 +2153,3 @@ module_exit(sd_mod_exit);
module_param(frame_rate, int, 0644);
MODULE_PARM_DESC(frame_rate, "Frame rate (5, 10, 15, 20 or 30 fps)");
-
diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c
index ea3d7021f40..815bea6edc4 100644
--- a/drivers/media/video/gspca/pac7311.c
+++ b/drivers/media/video/gspca/pac7311.c
@@ -31,7 +31,9 @@ MODULE_LICENSE("GPL");
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
- int avg_lum;
+ int lum_sum;
+ atomic_t avg_lum;
+ atomic_t do_gain;
unsigned char brightness;
unsigned char contrast;
@@ -271,6 +273,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
sd->contrast = CONTRAST_DEF;
sd->colors = COLOR_DEF;
sd->autogain = AUTOGAIN_DEF;
+ sd->ag_cnt = -1;
return 0;
}
@@ -311,6 +314,18 @@ static void setcolors(struct gspca_dev *gspca_dev)
PDEBUG(D_CONF|D_STREAM, "color: %i", sd->colors);
}
+static void setautogain(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->autogain) {
+ sd->lum_sum = 0;
+ sd->ag_cnt = AG_CNT_START;
+ } else {
+ sd->ag_cnt = -1;
+ }
+}
+
/* this function is called at open time */
static int sd_open(struct gspca_dev *gspca_dev)
{
@@ -320,8 +335,6 @@ static int sd_open(struct gspca_dev *gspca_dev)
static void sd_start(struct gspca_dev *gspca_dev)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
reg_w(gspca_dev, 0xff, 0x01);
reg_w_buf(gspca_dev, 0x0002, "\x48\x0a\x40\x08\x00\x00\x08\x00", 8);
reg_w_buf(gspca_dev, 0x000a, "\x06\xff\x11\xff\x5a\x30\x90\x4c", 8);
@@ -394,6 +407,7 @@ static void sd_start(struct gspca_dev *gspca_dev)
setcontrast(gspca_dev);
setbrightness(gspca_dev);
setcolors(gspca_dev);
+ setautogain(gspca_dev);
/* set correct resolution */
switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
@@ -431,13 +445,6 @@ static void sd_start(struct gspca_dev *gspca_dev)
reg_w(gspca_dev, 0xff, 0x01);
reg_w(gspca_dev, 0x78, 0x04);
reg_w(gspca_dev, 0x78, 0x05);
-
- if (sd->autogain) {
- sd->ag_cnt = AG_CNT_START;
- sd->avg_lum = 0;
- } else {
- sd->ag_cnt = -1;
- }
}
static void sd_stopN(struct gspca_dev *gspca_dev)
@@ -473,13 +480,20 @@ static void sd_close(struct gspca_dev *gspca_dev)
reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */
}
-static void setautogain(struct gspca_dev *gspca_dev, int luma)
+static void do_autogain(struct gspca_dev *gspca_dev)
{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int luma;
int luma_mean = 128;
int luma_delta = 20;
__u8 spring = 5;
int Gbright;
+ if (!atomic_read(&sd->do_gain))
+ return;
+ atomic_set(&sd->do_gain, 0);
+
+ luma = atomic_read(&sd->avg_lum);
Gbright = reg_r(gspca_dev, 0x02);
PDEBUG(D_FRAM, "luma mean %d", luma);
if (luma < luma_mean - luma_delta ||
@@ -523,12 +537,13 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
/* start of frame */
if (sd->ag_cnt >= 0 && p > 28) {
- sd->avg_lum += data[p - 23];
+ sd->lum_sum += data[p - 23];
if (--sd->ag_cnt < 0) {
sd->ag_cnt = AG_CNT_START;
- setautogain(gspca_dev,
- sd->avg_lum / AG_CNT_START);
- sd->avg_lum = 0;
+ atomic_set(&sd->avg_lum,
+ sd->lum_sum / AG_CNT_START);
+ sd->lum_sum = 0;
+ atomic_set(&sd->do_gain, 1);
}
}
@@ -677,12 +692,8 @@ static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
struct sd *sd = (struct sd *) gspca_dev;
sd->autogain = val;
- if (val) {
- sd->ag_cnt = AG_CNT_START;
- sd->avg_lum = 0;
- } else {
- sd->ag_cnt = -1;
- }
+ if (gspca_dev->streaming)
+ setautogain(gspca_dev);
return 0;
}
@@ -706,6 +717,7 @@ static struct sd_desc sd_desc = {
.stop0 = sd_stop0,
.close = sd_close,
.pkt_scan = sd_pkt_scan,
+ .dq_callback = do_autogain,
};
/* -- module initialisation -- */
diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c
index e18748c5a14..11210c71f66 100644
--- a/drivers/media/video/gspca/sonixb.c
+++ b/drivers/media/video/gspca/sonixb.c
@@ -408,7 +408,7 @@ static void reg_w(struct gspca_dev *gspca_dev,
const __u8 *buffer,
int len)
{
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
if (len > sizeof gspca_dev->usb_buf) {
PDEBUG(D_ERR|D_PACK, "reg_w: buffer overflow");
return;
diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c
index 33a3df1f691..245a30ec5fb 100644
--- a/drivers/media/video/gspca/sonixj.c
+++ b/drivers/media/video/gspca/sonixj.c
@@ -32,7 +32,7 @@ MODULE_LICENSE("GPL");
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
- int avg_lum;
+ atomic_t avg_lum;
unsigned int exposure;
unsigned short brightness;
@@ -148,55 +148,58 @@ static struct v4l2_pix_format vga_mode[] = {
/*Data from sn9c102p+hv71331r */
static const __u8 sn_hv7131[] = {
-/* reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 reg9 */
- 0x00, 0x03, 0x64, 0x00, 0x1A, 0x20, 0x20, 0x20, 0xA1, 0x11,
-/* rega regb regc regd rege regf reg10 reg11 */
- 0x02, 0x09, 0x00, 0x00, 0x00, 0x10, 0x03, 0x00, /* 00 */
-/* reg12 reg13 reg14 reg15 reg16 reg17 reg18 reg19 reg1a reg1b */
- 0x00, 0x01, 0x03, 0x28, 0x1e, 0x41, 0x0a, 0x00, 0x00, 0x00,
-/* reg1c reg1d reg1e reg1f reg20 reg21 reg22 reg23 */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+/* reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 */
+ 0x00, 0x03, 0x64, 0x00, 0x1a, 0x20, 0x20, 0x20,
+/* reg8 reg9 rega regb regc regd rege regf */
+ 0xa1, 0x11, 0x02, 0x09, 0x00, 0x00, 0x00, 0x10,
+/* reg10 reg11 reg12 reg13 reg14 reg15 reg16 reg17 */
+ 0x03, 0x00, 0x00, 0x01, 0x03, 0x28, 0x1e, 0x41,
+/* reg18 reg19 reg1a reg1b reg1c reg1d reg1e reg1f */
+ 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const __u8 sn_mi0360[] = {
-/* reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 reg9 */
- 0x00, 0x61, 0x44, 0x00, 0x1a, 0x20, 0x20, 0x20, 0xb1, 0x5d,
-/* rega regb regc regd rege regf reg10 reg11 */
- 0x07, 0x00, 0x00, 0x00, 0x00, 0x10, 0x03, 0x00,
-/* reg12 reg13 reg14 reg15 reg16 reg17 reg18 reg19 reg1a reg1b */
- 0x00, 0x02, 0x0a, 0x28, 0x1e, 0x61, 0x06, 0x00, 0x00, 0x00,
-/* reg1c reg1d reg1e reg1f reg20 reg21 reg22 reg23 */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+/* reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 */
+ 0x00, 0x61, 0x44, 0x00, 0x1a, 0x20, 0x20, 0x20,
+/* reg8 reg9 rega regb regc regd rege regf */
+ 0xb1, 0x5d, 0x07, 0x00, 0x00, 0x00, 0x00, 0x10,
+/* reg10 reg11 reg12 reg13 reg14 reg15 reg16 reg17 */
+ 0x03, 0x00, 0x00, 0x02, 0x0a, 0x28, 0x1e, 0x61,
+/* reg18 reg19 reg1a reg1b reg1c reg1d reg1e reg1f */
+ 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const __u8 sn_mo4000[] = {
-/* reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 */
- 0x12, 0x23, 0x60, 0x00, 0x1A, 0x00, 0x20, 0x18, 0x81,
-/* reg9 rega regb regc regd rege regf reg10 reg11*/
- 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00,
-/* reg12 reg13 reg14 reg15 reg16 reg17 reg18 reg19 reg1a*/
- 0x0b, 0x0f, 0x14, 0x28, 0x1e, 0x40, 0x08, 0x00, 0x00,
-/* reg1b reg1c reg1d reg1e reg1f reg20 reg21 reg22 reg23*/
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x25, 0x39, 0x4b,
- 0x5c, 0x6b, 0x79, 0x87, 0x95, 0xa2, 0xaf, 0xbb, 0xc7,
- 0xd3, 0xdf, 0xea, 0xf5
+/* reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 */
+ 0x12, 0x23, 0x60, 0x00, 0x1a, 0x00, 0x20, 0x18,
+/* reg8 reg9 rega regb regc regd rege regf */
+ 0x81, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/* reg10 reg11 reg12 reg13 reg14 reg15 reg16 reg17 */
+ 0x03, 0x00, 0x0b, 0x0f, 0x14, 0x28, 0x1e, 0x40,
+/* reg18 reg19 reg1a reg1b reg1c reg1d reg1e reg1f */
+ 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const __u8 sn_ov7648[] = {
- 0x00, 0x21, 0x62, 0x00, 0x1a, 0x20, 0x20, 0x20, 0xA1, 0x6E, 0x18, 0x65,
- 0x00, 0x00, 0x00, 0x10, 0x03, 0x00, 0x00, 0x06, 0x06, 0x28, 0x1E, 0x82,
- 0x07, 0x00, 0x00, 0x00, 0x00, 0x00
+/* reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 */
+ 0x00, 0x21, 0x62, 0x00, 0x1a, 0x20, 0x20, 0x20,
+/* reg8 reg9 rega regb regc regd rege regf */
+ 0xa1, 0x6e, 0x18, 0x65, 0x00, 0x00, 0x00, 0x10,
+/* reg10 reg11 reg12 reg13 reg14 reg15 reg16 reg17 */
+ 0x03, 0x00, 0x00, 0x06, 0x06, 0x28, 0x1e, 0x82,
+/* reg18 reg19 reg1a reg1b reg1c reg1d reg1e reg1f */
+ 0x07, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const __u8 sn_ov7660[] = {
-/* reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 */
- 0x00, 0x61, 0x40, 0x00, 0x1a, 0x00, 0x00, 0x00, 0x81,
-/* reg9 rega regb regc regd rege regf reg10 reg11*/
- 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00,
-/* reg12 reg13 reg14 reg15 reg16 reg17 reg18 reg19 reg1a*/
- 0x01, 0x01, 0x14, 0x28, 0x1e, 0x00, 0x07, 0x00, 0x00,
-/* reg1b reg1c reg1d reg1e reg1f reg20 reg21 reg22 reg23*/
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+/* reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 */
+ 0x00, 0x61, 0x40, 0x00, 0x1a, 0x20, 0x20, 0x20,
+/* reg8 reg9 rega regb regc regd rege regf */
+ 0x81, 0x21, 0x07, 0x00, 0x00, 0x00, 0x00, 0x10,
+/* reg10 reg11 reg12 reg13 reg14 reg15 reg16 reg17 */
+ 0x03, 0x00, 0x01, 0x01, 0x08, 0x28, 0x1e, 0x20,
+/* reg18 reg19 reg1a reg1b reg1c reg1d reg1e reg1f */
+ 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
/* sequence specific to the sensors - !! index = SENSOR_xxx */
@@ -212,10 +215,6 @@ static const __u8 regsn20[] = {
0x00, 0x2d, 0x46, 0x5a, 0x6c, 0x7c, 0x8b, 0x99,
0xa6, 0xb2, 0xbf, 0xca, 0xd5, 0xe0, 0xeb, 0xf5, 0xff
};
-static const __u8 regsn20_sn9c120[] = {
- 0x00, 0x25, 0x3c, 0x50, 0x62, 0x72, 0x81, 0x90,
- 0x9e, 0xab, 0xb8, 0xc5, 0xd1, 0xdd, 0xe9, 0xf4, 0xff
-};
static const __u8 regsn20_sn9c325[] = {
0x0a, 0x3a, 0x56, 0x6c, 0x7e, 0x8d, 0x9a, 0xa4,
0xaf, 0xbb, 0xc5, 0xcd, 0xd5, 0xde, 0xe8, 0xed, 0xf5
@@ -227,21 +226,6 @@ static const __u8 reg84[] = {
/* 0x00, 0x00, 0x00, 0x00, 0x00 */
0xf7, 0x0f, 0x0a, 0x00, 0x00
};
-static const __u8 reg84_sn9c120_1[] = {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x0c, 0x00, 0x00
-};
-static const __u8 reg84_sn9c120_2[] = {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x0c, 0x02, 0x3b
-};
-static const __u8 reg84_sn9c120_3[] = {
- 0x14, 0x00, 0x27, 0x00, 0x08, 0x00, 0xeb, 0x0f,
- 0xd5, 0x0f, 0x42, 0x00, 0x41, 0x00, 0xca, 0x0f,
- 0xf5, 0x0f, 0x0c, 0x02, 0x3b
-};
static const __u8 reg84_sn9c325[] = {
0x14, 0x00, 0x27, 0x00, 0x07, 0x00, 0xe4, 0x0f,
0xd3, 0x0f, 0x4b, 0x00, 0x48, 0x00, 0xc0, 0x0f,
@@ -360,17 +344,15 @@ static const __u8 ov7660_sensor_init[][8] = {
{0xa1, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10}, /* reset SCCB */
/* (delay 20ms) */
{0xa1, 0x21, 0x12, 0x05, 0x00, 0x00, 0x00, 0x10},
- /* Outformat ?? rawRGB */
+ /* Outformat = rawRGB */
{0xa1, 0x21, 0x13, 0xb8, 0x00, 0x00, 0x00, 0x10}, /* init COM8 */
- {0xd1, 0x21, 0x00, 0x01, 0x74, 0x92, 0x00, 0x10},
-/* {0xd1, 0x21, 0x00, 0x01, 0x74, 0x74, 0x00, 0x10}, */
+ {0xd1, 0x21, 0x00, 0x01, 0x74, 0x74, 0x00, 0x10},
/* GAIN BLUE RED VREF */
{0xd1, 0x21, 0x04, 0x00, 0x7d, 0x62, 0x00, 0x10},
/* COM 1 BAVE GEAVE AECHH */
{0xb1, 0x21, 0x08, 0x83, 0x01, 0x00, 0x00, 0x10}, /* RAVE COM2 */
{0xd1, 0x21, 0x0c, 0x00, 0x08, 0x04, 0x4f, 0x10}, /* COM 3 4 5 6 */
- {0xd1, 0x21, 0x10, 0x7f, 0x40, 0x05, 0xf8, 0x10},
-/* {0xd1, 0x21, 0x10, 0x7f, 0x40, 0x05, 0xff, 0x10}, */
+ {0xd1, 0x21, 0x10, 0x7f, 0x40, 0x05, 0xff, 0x10},
/* AECH CLKRC COM7 COM8 */
{0xc1, 0x21, 0x14, 0x2c, 0x00, 0x02, 0x00, 0x10}, /* COM9 COM10 */
{0xd1, 0x21, 0x17, 0x10, 0x60, 0x02, 0x7b, 0x10},
@@ -379,8 +361,8 @@ static const __u8 ov7660_sensor_init[][8] = {
{0xb1, 0x21, 0x1e, 0x01, 0x0e, 0x00, 0x00, 0x10}, /* MVFP LAEC */
{0xd1, 0x21, 0x20, 0x07, 0x07, 0x07, 0x07, 0x10},
/* BOS GBOS GROS ROS (BGGR offset) */
- {0xd1, 0x21, 0x24, 0x68, 0x58, 0xd4, 0x80, 0x10},
-/* {0xd1, 0x21, 0x24, 0x78, 0x68, 0xd4, 0x80, 0x10}, */
+/* {0xd1, 0x21, 0x24, 0x68, 0x58, 0xd4, 0x80, 0x10}, */
+ {0xd1, 0x21, 0x24, 0x78, 0x68, 0xd4, 0x80, 0x10},
/* AEW AEB VPT BBIAS */
{0xd1, 0x21, 0x28, 0x80, 0x30, 0x00, 0x00, 0x10},
/* GbBIAS RSVD EXHCH EXHCL */
@@ -407,9 +389,9 @@ static const __u8 ov7660_sensor_init[][8] = {
{0xd1, 0x21, 0x62, 0x00, 0x00, 0x50, 0x30, 0x10},
/* LCC1 LCC2 LCC3 LCC4 */
{0xa1, 0x21, 0x66, 0x00, 0x00, 0x00, 0x00, 0x10}, /* LCC5 */
- {0xd1, 0x21, 0x67, 0x80, 0x7a, 0x90, 0x80, 0x10},
+ {0xd1, 0x21, 0x67, 0x80, 0x7a, 0x90, 0x80, 0x10}, /* MANU */
{0xa1, 0x21, 0x6b, 0x0a, 0x00, 0x00, 0x00, 0x10},
- /* band gap reference [0..3] DBLV */
+ /* band gap reference [0:3] DBLV */
{0xd1, 0x21, 0x6c, 0x30, 0x48, 0x80, 0x74, 0x10}, /* gamma curve */
{0xd1, 0x21, 0x70, 0x64, 0x60, 0x5c, 0x58, 0x10}, /* gamma curve */
{0xd1, 0x21, 0x74, 0x54, 0x4c, 0x40, 0x38, 0x10}, /* gamma curve */
@@ -419,37 +401,35 @@ static const __u8 ov7660_sensor_init[][8] = {
{0xd1, 0x21, 0x84, 0x6e, 0x77, 0x87, 0x95, 0x10}, /* gamma curve */
{0xc1, 0x21, 0x88, 0xaf, 0xc7, 0xdf, 0x00, 0x10}, /* gamma curve */
{0xc1, 0x21, 0x8b, 0x99, 0x99, 0xcf, 0x00, 0x10}, /* reserved */
- {0xb1, 0x21, 0x92, 0x00, 0x00, 0x00, 0x00, 0x10},
+ {0xb1, 0x21, 0x92, 0x00, 0x00, 0x00, 0x00, 0x10}, /* DM_LNL/H */
/****** (some exchanges in the win trace) ******/
- {0xa1, 0x21, 0x1e, 0x01, 0x00, 0x00, 0x00, 0x10},
+ {0xa1, 0x21, 0x1e, 0x01, 0x00, 0x00, 0x00, 0x10}, /* MVFP */
/* bits[3..0]reserved */
{0xa1, 0x21, 0x1e, 0x01, 0x00, 0x00, 0x00, 0x10},
{0xa1, 0x21, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10},
/* VREF vertical frame ctrl */
{0xa1, 0x21, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10},
- {0xa1, 0x21, 0x10, 0x20, 0x00, 0x00, 0x00, 0x10}, /* 0x20 */
- {0xa1, 0x21, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x10},
- {0xa1, 0x21, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x10},
-/* {0xa1, 0x21, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x10}, */
- {0xa1, 0x21, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x10},
- {0xb1, 0x21, 0x01, 0x78, 0x78, 0x00, 0x00, 0x10},
+ {0xa1, 0x21, 0x10, 0x20, 0x00, 0x00, 0x00, 0x10}, /* AECH 0x20 */
+ {0xa1, 0x21, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x10}, /* ADVFL */
+ {0xa1, 0x21, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x10}, /* ADVFH */
+ {0xa1, 0x21, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x10}, /* GAIN */
+/* {0xb1, 0x21, 0x01, 0x78, 0x78, 0x00, 0x00, 0x10}, * BLUE */
/****** (some exchanges in the win trace) ******/
{0xa1, 0x21, 0x93, 0x00, 0x00, 0x00, 0x00, 0x10},/* dummy line hight */
- {0xa1, 0x21, 0x92, 0x25, 0x00, 0x00, 0x00, 0x10},/* dummy line low */
- {0xa1, 0x21, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x10},
- {0xa1, 0x21, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10},
- {0xa1, 0x21, 0x02, 0x90, 0x00, 0x00, 0x00, 0x10},
+ {0xa1, 0x21, 0x92, 0x25, 0x00, 0x00, 0x00, 0x10}, /* dummy line low */
+ {0xa1, 0x21, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x10}, /* EXHCH */
+ {0xa1, 0x21, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10}, /* EXHCL */
+/* {0xa1, 0x21, 0x02, 0x90, 0x00, 0x00, 0x00, 0x10}, * RED */
/****** (some exchanges in the win trace) ******/
-/**********startsensor KO if changed !!****/
+/******!! startsensor KO if changed !!****/
{0xa1, 0x21, 0x93, 0x01, 0x00, 0x00, 0x00, 0x10},
{0xa1, 0x21, 0x92, 0xff, 0x00, 0x00, 0x00, 0x10},
{0xa1, 0x21, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x10},
{0xa1, 0x21, 0x2b, 0xc3, 0x00, 0x00, 0x00, 0x10},
-/* here may start the isoc exchanges */
{}
};
-/* reg0x04 reg0x07 reg 0x10 */
-/* expo = (COM1 & 0x02) | (AECHH & 0x2f <<10) [ (AECh << 2) */
+/* reg 0x04 reg 0x07 reg 0x10 */
+/* expo = (COM1 & 0x02) | ((AECHH & 0x2f) << 10) | (AECh << 2) */
static const __u8 ov7648_sensor_init[][8] = {
{0xC1, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00},
@@ -680,13 +660,12 @@ static int configure_gpio(struct gspca_dev *gspca_dev,
const __u8 *reg9a;
static const __u8 reg9a_def[] =
{0x08, 0x40, 0x20, 0x10, 0x00, 0x04};
- static const __u8 reg9a_sn9c120[] = /* from win trace */
- {0x00, 0x40, 0x38, 0x30, 0x00, 0x20};
static const __u8 reg9a_sn9c325[] =
{0x0a, 0x40, 0x38, 0x30, 0x00, 0x20};
+ static const __u8 regd4[] = {0x60, 0x00, 0x00};
reg_w1(gspca_dev, 0xf1, 0x00);
- reg_w1(gspca_dev, 0x01, sn9c1xx[0]); /*fixme:jfm was [1] en v1*/
+ reg_w1(gspca_dev, 0x01, 0x00); /*jfm was sn9c1xx[1] in v1*/
/* configure gpio */
reg_w(gspca_dev, 0x01, &sn9c1xx[1], 2);
@@ -696,25 +675,17 @@ static int configure_gpio(struct gspca_dev *gspca_dev,
case BRIDGE_SN9C325:
reg9a = reg9a_sn9c325;
break;
- case BRIDGE_SN9C120:
- reg9a = reg9a_sn9c120;
- break;
default:
reg9a = reg9a_def;
break;
}
reg_w(gspca_dev, 0x9a, reg9a, 6);
- reg_w1(gspca_dev, 0xd4, 0x60); /*fixme:jfm 60 00 00 (3) ? */
+ reg_w(gspca_dev, 0xd4, regd4, sizeof regd4); /*fixme:jfm was 60 only*/
reg_w(gspca_dev, 0x03, &sn9c1xx[3], 0x0f);
switch (sd->bridge) {
- case BRIDGE_SN9C120: /* from win trace */
- reg_w1(gspca_dev, 0x01, 0x61);
- reg_w1(gspca_dev, 0x17, 0x20);
- reg_w1(gspca_dev, 0x01, 0x60);
- break;
case BRIDGE_SN9C325:
reg_w1(gspca_dev, 0x01, 0x43);
reg_w1(gspca_dev, 0x17, 0xae);
@@ -810,6 +781,8 @@ static int sd_config(struct gspca_dev *gspca_dev,
sd->contrast = CONTRAST_DEF;
sd->colors = COLOR_DEF;
sd->autogain = AUTOGAIN_DEF;
+ sd->ag_cnt = -1;
+
return 0;
}
@@ -823,10 +796,11 @@ static int sd_open(struct gspca_dev *gspca_dev)
/* setup a selector by bridge */
reg_w1(gspca_dev, 0xf1, 0x01);
- reg_r(gspca_dev, 0x00, 1); /* -> regF1 = 0x00 */
- reg_w1(gspca_dev, 0xf1, gspca_dev->usb_buf[0]);
reg_r(gspca_dev, 0x00, 1);
+ reg_w1(gspca_dev, 0xf1, gspca_dev->usb_buf[0]);
+ reg_r(gspca_dev, 0x00, 1); /* get sonix chip id */
regF1 = gspca_dev->usb_buf[0];
+ PDEBUG(D_PROBE, "Sonix chip id: %02x", regF1);
switch (sd->bridge) {
case BRIDGE_SN9C102P:
if (regF1 != 0x11)
@@ -937,15 +911,10 @@ static void setbrightness(struct gspca_dev *gspca_dev)
sd->exposure = setexposure(gspca_dev, expo);
break;
case SENSOR_MI0360:
- expo = sd->brightness >> 4;
- sd->exposure = setexposure(gspca_dev, expo);
- break;
case SENSOR_MO4000:
expo = sd->brightness >> 4;
sd->exposure = setexposure(gspca_dev, expo);
break;
- case SENSOR_OV7660:
- return; /*jfm??*/
}
k2 = sd->brightness >> 10;
@@ -958,8 +927,6 @@ static void setcontrast(struct gspca_dev *gspca_dev)
__u8 k2;
__u8 contrast[] = { 0x00, 0x00, 0x28, 0x00, 0x07, 0x00 };
- if (sd->sensor == SENSOR_OV7660)
- return; /*jfm??*/
k2 = sd->contrast;
contrast[2] = k2;
contrast[0] = (k2 + 1) >> 1;
@@ -981,20 +948,32 @@ static void setcolors(struct gspca_dev *gspca_dev)
reg_w1(gspca_dev, 0x05, data);
}
+static void setautogain(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ switch (sd->sensor) {
+ case SENSOR_HV7131R:
+ case SENSOR_MO4000:
+ case SENSOR_MI0360:
+ if (sd->autogain)
+ sd->ag_cnt = AG_CNT_START;
+ else
+ sd->ag_cnt = -1;
+ break;
+ }
+}
+
/* -- start the camera -- */
static void sd_start(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int i;
- __u8 data;
- __u8 reg1;
- __u8 reg17;
+ __u8 reg1, reg17, reg18;
const __u8 *sn9c1xx;
int mode;
static const __u8 C0[] = { 0x2d, 0x2d, 0x3a, 0x05, 0x04, 0x3f };
static const __u8 CA[] = { 0x28, 0xd8, 0x14, 0xec };
- static const __u8 CA_sn9c120[] =
- { 0x14, 0xec, 0x0a, 0xf6 }; /* SN9C120 */
static const __u8 CE[] = { 0x32, 0xdd, 0x2d, 0xdd }; /* MI0360 */
static const __u8 CE_sn9c325[] =
{ 0x32, 0xdd, 0x32, 0xdd }; /* OV7648 - SN9C325 */
@@ -1002,9 +981,7 @@ static void sd_start(struct gspca_dev *gspca_dev)
sn9c1xx = sn_tb[(int) sd->sensor];
configure_gpio(gspca_dev, sn9c1xx);
-/*fixme:jfm this sequence should appear at end of sd_start */
-/* with
- reg_w1(gspca_dev, 0x01, 0x44); */
+/* reg_w1(gspca_dev, 0x01, 0x44); jfm from win trace*/
reg_w1(gspca_dev, 0x15, sn9c1xx[0x15]);
reg_w1(gspca_dev, 0x16, sn9c1xx[0x16]);
reg_w1(gspca_dev, 0x12, sn9c1xx[0x12]);
@@ -1016,20 +993,16 @@ static void sd_start(struct gspca_dev *gspca_dev)
reg_w1(gspca_dev, 0xc7, 0x00);
reg_w1(gspca_dev, 0xc8, 0x50);
reg_w1(gspca_dev, 0xc9, 0x3c);
-/*fixme:jfm end of ending sequence */
reg_w1(gspca_dev, 0x18, sn9c1xx[0x18]);
switch (sd->bridge) {
case BRIDGE_SN9C325:
- data = 0xae;
- break;
- case BRIDGE_SN9C120:
- data = 0xa0;
+ reg17 = 0xae;
break;
default:
- data = 0x60;
+ reg17 = 0x60;
break;
}
- reg_w1(gspca_dev, 0x17, data);
+ reg_w1(gspca_dev, 0x17, reg17);
reg_w1(gspca_dev, 0x05, sn9c1xx[5]);
reg_w1(gspca_dev, 0x07, sn9c1xx[7]);
reg_w1(gspca_dev, 0x06, sn9c1xx[6]);
@@ -1044,20 +1017,6 @@ static void sd_start(struct gspca_dev *gspca_dev)
reg_w1(gspca_dev, 0x9a, 0x0a);
reg_w1(gspca_dev, 0x99, 0x60);
break;
- case BRIDGE_SN9C120:
- reg_w(gspca_dev, 0x20, regsn20_sn9c120,
- sizeof regsn20_sn9c120);
- for (i = 0; i < 2; i++)
- reg_w(gspca_dev, 0x84, reg84_sn9c120_1,
- sizeof reg84_sn9c120_1);
- for (i = 0; i < 6; i++)
- reg_w(gspca_dev, 0x84, reg84_sn9c120_2,
- sizeof reg84_sn9c120_2);
- reg_w(gspca_dev, 0x84, reg84_sn9c120_3,
- sizeof reg84_sn9c120_3);
- reg_w1(gspca_dev, 0x9a, 0x05);
- reg_w1(gspca_dev, 0x99, 0x5b);
- break;
default:
reg_w(gspca_dev, 0x20, regsn20, sizeof regsn20);
for (i = 0; i < 8; i++)
@@ -1107,22 +1066,14 @@ static void sd_start(struct gspca_dev *gspca_dev)
/* reg1 = 0x44; */
/* reg1 = 0x46; (done) */
} else {
- reg17 = 0xa2; /* 640 */
- reg1 = 0x40;
+ reg17 = 0x22; /* 640 MCKSIZE */
+ reg1 = 0x06;
}
break;
}
reg_w(gspca_dev, 0xc0, C0, 6);
+ reg_w(gspca_dev, 0xca, CA, 4);
switch (sd->bridge) {
- case BRIDGE_SN9C120: /*jfm ?? */
- reg_w(gspca_dev, 0xca, CA_sn9c120, 4);
- break;
- default:
- reg_w(gspca_dev, 0xca, CA, 4);
- break;
- }
- switch (sd->bridge) {
- case BRIDGE_SN9C120: /*jfm ?? */
case BRIDGE_SN9C325:
reg_w(gspca_dev, 0xce, CE_sn9c325, 4);
break;
@@ -1133,19 +1084,19 @@ static void sd_start(struct gspca_dev *gspca_dev)
}
/* here change size mode 0 -> VGA; 1 -> CIF */
- data = 0x40 | sn9c1xx[0x18] | (mode << 4);
- reg_w1(gspca_dev, 0x18, data);
+ reg18 = sn9c1xx[0x18] | (mode << 4);
+ reg_w1(gspca_dev, 0x18, reg18 | 0x40);
reg_w(gspca_dev, 0x100, qtable4, 0x40);
reg_w(gspca_dev, 0x140, qtable4 + 0x40, 0x40);
- data = sn9c1xx[0x18] | (mode << 4);
- reg_w1(gspca_dev, 0x18, data);
+ reg_w1(gspca_dev, 0x18, reg18);
reg_w1(gspca_dev, 0x17, reg17);
reg_w1(gspca_dev, 0x01, reg1);
setbrightness(gspca_dev);
setcontrast(gspca_dev);
+ setautogain(gspca_dev);
}
static void sd_stopN(struct gspca_dev *gspca_dev)
@@ -1168,12 +1119,11 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
i2c_w8(gspca_dev, stopmi0360);
data = 0x29;
break;
- case SENSOR_MO4000:
- break;
case SENSOR_OV7648:
data = 0x29;
break;
default:
+/* case SENSOR_MO4000: */
/* case SENSOR_OV7660: */
break;
}
@@ -1193,16 +1143,23 @@ static void sd_close(struct gspca_dev *gspca_dev)
{
}
-static void setautogain(struct gspca_dev *gspca_dev)
+static void do_autogain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- /* Thanks S., without your advice, autobright should not work :) */
int delta;
- int expotimes = 0;
+ int expotimes;
__u8 luma_mean = 130;
__u8 luma_delta = 20;
- delta = sd->avg_lum;
+ /* Thanks S., without your advice, autobright should not work :) */
+ if (sd->ag_cnt < 0)
+ return;
+ if (--sd->ag_cnt >= 0)
+ return;
+ sd->ag_cnt = AG_CNT_START;
+
+ delta = atomic_read(&sd->avg_lum);
+ PDEBUG(D_FRAM, "mean lum %d", delta);
if (delta < luma_mean - luma_delta ||
delta > luma_mean + luma_delta) {
switch (sd->sensor) {
@@ -1214,8 +1171,9 @@ static void setautogain(struct gspca_dev *gspca_dev)
sd->exposure = setexposure(gspca_dev,
(unsigned int) (expotimes << 8));
break;
- case SENSOR_MO4000:
- case SENSOR_MI0360:
+ default:
+/* case SENSOR_MO4000: */
+/* case SENSOR_MI0360: */
expotimes = sd->exposure;
expotimes += (luma_mean - delta) >> 6;
if (expotimes < 0)
@@ -1228,6 +1186,8 @@ static void setautogain(struct gspca_dev *gspca_dev)
}
}
+/* scan the URB packets */
+/* This function is run at interrupt level. */
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
struct gspca_frame *frame, /* target */
__u8 *data, /* isoc packet */
@@ -1244,9 +1204,6 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
frame, data, sof + 2);
if (sd->ag_cnt < 0)
return;
- if (--sd->ag_cnt >= 0)
- return;
- sd->ag_cnt = AG_CNT_START;
/* w1 w2 w3 */
/* w4 w5 w6 */
/* w7 w8 */
@@ -1261,9 +1218,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
/* w5 */
avg_lum += ((data[sof + 31] << 8) | data[sof + 32]) >> 4;
avg_lum >>= 4;
- sd->avg_lum = avg_lum;
- PDEBUG(D_PACK, "mean lum %d", avg_lum);
- setautogain(gspca_dev);
+ atomic_set(&sd->avg_lum, avg_lum);
return;
}
if (gspca_dev->last_packet_type == LAST_PACKET) {
@@ -1300,6 +1255,7 @@ static unsigned int getexposure(struct gspca_dev *gspca_dev)
(hexpo << 10) | (mexpo << 2) | lexpo);
return (hexpo << 10) | (mexpo << 2) | lexpo;
default:
+/* case SENSOR_OV7648: * jfm: is it ok for 7648? */
/* case SENSOR_OV7660: */
/* read sensor exposure */
i2c_r5(gspca_dev, 0x04);
@@ -1318,14 +1274,12 @@ static void getbrightness(struct gspca_dev *gspca_dev)
/* hardcoded registers seem not readable */
switch (sd->sensor) {
case SENSOR_HV7131R:
-/* sd->brightness = 0x7fff; */
sd->brightness = getexposure(gspca_dev) >> 4;
break;
case SENSOR_MI0360:
sd->brightness = getexposure(gspca_dev) << 4;
break;
case SENSOR_MO4000:
-/* sd->brightness = 0x1fff; */
sd->brightness = getexposure(gspca_dev) << 4;
break;
}
@@ -1391,10 +1345,8 @@ static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
struct sd *sd = (struct sd *) gspca_dev;
sd->autogain = val;
- if (val)
- sd->ag_cnt = AG_CNT_START;
- else
- sd->ag_cnt = -1;
+ if (gspca_dev->streaming)
+ setautogain(gspca_dev);
return 0;
}
@@ -1418,6 +1370,7 @@ static const struct sd_desc sd_desc = {
.stop0 = sd_stop0,
.close = sd_close,
.pkt_scan = sd_pkt_scan,
+ .dq_callback = do_autogain,
};
/* -- module initialisation -- */
diff --git a/drivers/media/video/gspca/spca505.c b/drivers/media/video/gspca/spca505.c
index 3c2be80cbd6..eda29d60935 100644
--- a/drivers/media/video/gspca/spca505.c
+++ b/drivers/media/video/gspca/spca505.c
@@ -61,27 +61,27 @@ static struct ctrl sd_ctrls[] = {
static struct v4l2_pix_format vga_mode[] = {
{160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
- .bytesperline = 160 * 3,
+ .bytesperline = 160,
.sizeimage = 160 * 120 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 5},
{176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
- .bytesperline = 176 * 3,
+ .bytesperline = 176,
.sizeimage = 176 * 144 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 4},
{320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
- .bytesperline = 320 * 3,
+ .bytesperline = 320,
.sizeimage = 320 * 240 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 2},
{352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
- .bytesperline = 352 * 3,
+ .bytesperline = 352,
.sizeimage = 352 * 288 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 1},
{640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
- .bytesperline = 640 * 3,
+ .bytesperline = 640,
.sizeimage = 640 * 480 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0},
@@ -776,7 +776,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
default:
data += 1;
len -= 1;
- gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
+ gspca_frame_add(gspca_dev, INTER_PACKET, frame,
data, len);
break;
}
diff --git a/drivers/media/video/gspca/spca506.c b/drivers/media/video/gspca/spca506.c
index 6fe715c80ad..f622fa75766 100644
--- a/drivers/media/video/gspca/spca506.c
+++ b/drivers/media/video/gspca/spca506.c
@@ -112,27 +112,27 @@ static struct ctrl sd_ctrls[] = {
static struct v4l2_pix_format vga_mode[] = {
{160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
- .bytesperline = 160 * 3,
+ .bytesperline = 160,
.sizeimage = 160 * 120 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 5},
{176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
- .bytesperline = 176 * 3,
+ .bytesperline = 176,
.sizeimage = 176 * 144 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 4},
{320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
- .bytesperline = 320 * 3,
+ .bytesperline = 320,
.sizeimage = 320 * 240 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 2},
{352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
- .bytesperline = 352 * 3,
+ .bytesperline = 352,
.sizeimage = 352 * 288 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 1},
{640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
- .bytesperline = 640 * 3,
+ .bytesperline = 640,
.sizeimage = 640 * 480 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0},
@@ -588,7 +588,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
default:
data += 1;
len -= 1;
- gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
+ gspca_frame_add(gspca_dev, INTER_PACKET, frame,
data, len);
break;
}
diff --git a/drivers/media/video/gspca/spca508.c b/drivers/media/video/gspca/spca508.c
index b608a27ad11..699340c17de 100644
--- a/drivers/media/video/gspca/spca508.c
+++ b/drivers/media/video/gspca/spca508.c
@@ -63,23 +63,23 @@ static struct ctrl sd_ctrls[] = {
};
static struct v4l2_pix_format sif_mode[] = {
- {160, 120, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
- .bytesperline = 160 * 3,
+ {160, 120, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
+ .bytesperline = 160,
.sizeimage = 160 * 120 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 3},
- {176, 144, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
- .bytesperline = 176 * 3,
+ {176, 144, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
+ .bytesperline = 176,
.sizeimage = 176 * 144 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 2},
- {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
- .bytesperline = 320 * 3,
+ {320, 240, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
+ .bytesperline = 320,
.sizeimage = 320 * 240 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 1},
- {352, 288, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
- .bytesperline = 352 * 3,
+ {352, 288, V4L2_PIX_FMT_SPCA508, V4L2_FIELD_NONE,
+ .bytesperline = 352,
.sizeimage = 352 * 288 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0},
@@ -1583,7 +1583,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
default:
data += 1;
len -= 1;
- gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
+ gspca_frame_add(gspca_dev, INTER_PACKET, frame,
data, len);
break;
}
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c
index a26174508cb..1073ac3d2ec 100644
--- a/drivers/media/video/gspca/spca561.c
+++ b/drivers/media/video/gspca/spca561.c
@@ -644,6 +644,18 @@ static void setcontrast(struct gspca_dev *gspca_dev)
}
}
+static void setautogain(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->chip_revision == Rev072A) {
+ if (sd->autogain)
+ sd->ag_cnt = AG_CNT_START;
+ else
+ sd->ag_cnt = -1;
+ }
+}
+
static void sd_start(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
@@ -671,6 +683,7 @@ static void sd_start(struct gspca_dev *gspca_dev)
reg_w_val(dev, 0x8500, mode); /* mode */
reg_w_val(dev, 0x8700, Clck); /* 0x27 clock */
reg_w_val(dev, 0x8112, 0x10 | 0x20);
+ setautogain(gspca_dev);
break;
default:
/* case Rev012A: */
@@ -720,18 +733,24 @@ static void sd_close(struct gspca_dev *gspca_dev)
reg_w_val(gspca_dev->dev, 0x8114, 0);
}
-static void setautogain(struct gspca_dev *gspca_dev)
+static void do_autogain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- int expotimes = 0;
- int pixelclk = 0;
- int gainG = 0;
+ int expotimes;
+ int pixelclk;
+ int gainG;
__u8 R, Gr, Gb, B;
int y;
__u8 luma_mean = 110;
__u8 luma_delta = 20;
__u8 spring = 4;
+ if (sd->ag_cnt < 0)
+ return;
+ if (--sd->ag_cnt >= 0)
+ return;
+ sd->ag_cnt = AG_CNT_START;
+
switch (sd->chip_revision) {
case Rev072A:
reg_r(gspca_dev, 0x8621, 1);
@@ -795,18 +814,10 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
__u8 *data, /* isoc packet */
int len) /* iso packet length */
{
- struct sd *sd = (struct sd *) gspca_dev;
-
switch (data[0]) {
case 0: /* start of frame */
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
data, 0);
- if (sd->ag_cnt >= 0) {
- if (--sd->ag_cnt < 0) {
- sd->ag_cnt = AG_CNT_START;
- setautogain(gspca_dev);
- }
- }
data += SPCA561_OFFSET_DATA;
len -= SPCA561_OFFSET_DATA;
if (data[1] & 0x10) {
@@ -944,10 +955,8 @@ static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
struct sd *sd = (struct sd *) gspca_dev;
sd->autogain = val;
- if (val)
- sd->ag_cnt = AG_CNT_START;
- else
- sd->ag_cnt = -1;
+ if (gspca_dev->streaming)
+ setautogain(gspca_dev);
return 0;
}
@@ -971,6 +980,7 @@ static const struct sd_desc sd_desc = {
.stop0 = sd_stop0,
.close = sd_close,
.pkt_scan = sd_pkt_scan,
+ .dq_callback = do_autogain,
};
/* -- module initialisation -- */
diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c
index a4221753e1b..f4a52956e0d 100644
--- a/drivers/media/video/gspca/vc032x.c
+++ b/drivers/media/video/gspca/vc032x.c
@@ -88,12 +88,12 @@ static struct ctrl sd_ctrls[] = {
static struct v4l2_pix_format vc0321_mode[] = {
{320, 240, V4L2_PIX_FMT_YUV420, V4L2_FIELD_NONE,
- .bytesperline = 320 * 2,
+ .bytesperline = 320,
.sizeimage = 320 * 240 * 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 1},
{640, 480, V4L2_PIX_FMT_YUV420, V4L2_FIELD_NONE,
- .bytesperline = 640 * 2,
+ .bytesperline = 640,
.sizeimage = 640 * 480 * 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0},
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index 22a994ccb1d..bc7d0eedcd8 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -6469,7 +6469,7 @@ static void setcontrast(struct gspca_dev *gspca_dev)
NULL, Tgradient_1, Tgradient_2,
Tgradient_3, Tgradient_4, Tgradient_5, Tgradient_6
};
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
__u8 v[16];
#endif
@@ -6487,7 +6487,7 @@ static void setcontrast(struct gspca_dev *gspca_dev)
else if (g <= 0)
g = 1;
reg_w(dev, g, 0x0120 + i); /* gamma */
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
if (gspca_debug & D_CONF)
v[i] = g;
#endif
@@ -6507,7 +6507,7 @@ static void setcontrast(struct gspca_dev *gspca_dev)
g = 1;
}
reg_w(dev, g, 0x0130 + i); /* gradient */
-#ifdef CONFIG_VIDEO_ADV_DEBUG
+#ifdef GSPCA_DEBUG
if (gspca_debug & D_CONF)
v[i] = g;
#endif
diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c
index b15f82c4976..ead87ddaf7f 100644
--- a/drivers/media/video/pxa_camera.c
+++ b/drivers/media/video/pxa_camera.c
@@ -128,6 +128,8 @@ struct pxa_camera_dev {
struct pxa_buffer *active;
struct pxa_dma_desc *sg_tail[3];
+
+ u32 save_cicr[5];
};
static const char *pxa_cam_driver_description = "PXA_Camera";
@@ -997,10 +999,64 @@ static int pxa_camera_querycap(struct soc_camera_host *ici,
return 0;
}
+static int pxa_camera_suspend(struct soc_camera_device *icd, pm_message_t state)
+{
+ struct soc_camera_host *ici =
+ to_soc_camera_host(icd->dev.parent);
+ struct pxa_camera_dev *pcdev = ici->priv;
+ int i = 0, ret = 0;
+
+ pcdev->save_cicr[i++] = CICR0;
+ pcdev->save_cicr[i++] = CICR1;
+ pcdev->save_cicr[i++] = CICR2;
+ pcdev->save_cicr[i++] = CICR3;
+ pcdev->save_cicr[i++] = CICR4;
+
+ if ((pcdev->icd) && (pcdev->icd->ops->suspend))
+ ret = pcdev->icd->ops->suspend(pcdev->icd, state);
+
+ return ret;
+}
+
+static int pxa_camera_resume(struct soc_camera_device *icd)
+{
+ struct soc_camera_host *ici =
+ to_soc_camera_host(icd->dev.parent);
+ struct pxa_camera_dev *pcdev = ici->priv;
+ int i = 0, ret = 0;
+
+ DRCMR68 = pcdev->dma_chans[0] | DRCMR_MAPVLD;
+ DRCMR69 = pcdev->dma_chans[1] | DRCMR_MAPVLD;
+ DRCMR70 = pcdev->dma_chans[2] | DRCMR_MAPVLD;
+
+ CICR0 = pcdev->save_cicr[i++] & ~CICR0_ENB;
+ CICR1 = pcdev->save_cicr[i++];
+ CICR2 = pcdev->save_cicr[i++];
+ CICR3 = pcdev->save_cicr[i++];
+ CICR4 = pcdev->save_cicr[i++];
+
+ if ((pcdev->icd) && (pcdev->icd->ops->resume))
+ ret = pcdev->icd->ops->resume(pcdev->icd);
+
+ /* Restart frame capture if active buffer exists */
+ if (!ret && pcdev->active) {
+ /* Reset the FIFOs */
+ CIFR |= CIFR_RESET_F;
+ /* Enable End-Of-Frame Interrupt */
+ CICR0 &= ~CICR0_EOFM;
+ /* Restart the Capture Interface */
+ CICR0 |= CICR0_ENB;
+ }
+
+ return ret;
+}
+
static struct soc_camera_host_ops pxa_soc_camera_host_ops = {
.owner = THIS_MODULE,
.add = pxa_camera_add_device,
.remove = pxa_camera_remove_device,
+ .suspend = pxa_camera_suspend,
+ .resume = pxa_camera_resume,
.set_fmt_cap = pxa_camera_set_fmt_cap,
.try_fmt_cap = pxa_camera_try_fmt_cap,
.init_videobuf = pxa_camera_init_videobuf,
@@ -1198,7 +1254,7 @@ static int __devinit pxa_camera_init(void)
static void __exit pxa_camera_exit(void)
{
- return platform_driver_unregister(&pxa_camera_driver);
+ platform_driver_unregister(&pxa_camera_driver);
}
module_init(pxa_camera_init);
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index f7ca3cb9340..318754e7313 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -647,7 +647,7 @@ static int __init sh_mobile_ceu_init(void)
static void __exit sh_mobile_ceu_exit(void)
{
- return platform_driver_unregister(&sh_mobile_ceu_driver);
+ platform_driver_unregister(&sh_mobile_ceu_driver);
}
module_init(sh_mobile_ceu_init);
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c
index b6be5ee678b..66ebe5956a8 100644
--- a/drivers/media/video/soc_camera.c
+++ b/drivers/media/video/soc_camera.c
@@ -732,10 +732,36 @@ static int soc_camera_remove(struct device *dev)
return 0;
}
+static int soc_camera_suspend(struct device *dev, pm_message_t state)
+{
+ struct soc_camera_device *icd = to_soc_camera_dev(dev);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ int ret = 0;
+
+ if (ici->ops->suspend)
+ ret = ici->ops->suspend(icd, state);
+
+ return ret;
+}
+
+static int soc_camera_resume(struct device *dev)
+{
+ struct soc_camera_device *icd = to_soc_camera_dev(dev);
+ struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+ int ret = 0;
+
+ if (ici->ops->resume)
+ ret = ici->ops->resume(icd);
+
+ return ret;
+}
+
static struct bus_type soc_camera_bus_type = {
.name = "soc-camera",
.probe = soc_camera_probe,
.remove = soc_camera_remove,
+ .suspend = soc_camera_suspend,
+ .resume = soc_camera_resume,
};
static struct device_driver ic_drv = {
diff --git a/drivers/media/video/soc_camera_platform.c b/drivers/media/video/soc_camera_platform.c
index eefb0327ebb..1adc257ebdb 100644
--- a/drivers/media/video/soc_camera_platform.c
+++ b/drivers/media/video/soc_camera_platform.c
@@ -187,7 +187,7 @@ static int __init soc_camera_platform_module_init(void)
static void __exit soc_camera_platform_module_exit(void)
{
- return platform_driver_unregister(&soc_camera_platform_driver);
+ platform_driver_unregister(&soc_camera_platform_driver);
}
module_init(soc_camera_platform_module_init);
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index 626f4ad7e87..6ef3e5297de 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -585,13 +585,17 @@ int uvc_query_v4l2_ctrl(struct uvc_video_device *video,
struct uvc_control_mapping *mapping;
struct uvc_menu_info *menu;
unsigned int i;
- __u8 data[8];
+ __u8 *data;
int ret;
ctrl = uvc_find_control(video, v4l2_ctrl->id, &mapping);
if (ctrl == NULL)
return -EINVAL;
+ data = kmalloc(8, GFP_KERNEL);
+ if (data == NULL)
+ return -ENOMEM;
+
memset(v4l2_ctrl, 0, sizeof *v4l2_ctrl);
v4l2_ctrl->id = mapping->id;
v4l2_ctrl->type = mapping->v4l2_type;
@@ -604,8 +608,8 @@ int uvc_query_v4l2_ctrl(struct uvc_video_device *video,
if (ctrl->info->flags & UVC_CONTROL_GET_DEF) {
if ((ret = uvc_query_ctrl(video->dev, GET_DEF, ctrl->entity->id,
video->dev->intfnum, ctrl->info->selector,
- &data, ctrl->info->size)) < 0)
- return ret;
+ data, ctrl->info->size)) < 0)
+ goto out;
v4l2_ctrl->default_value = uvc_get_le_value(data, mapping);
}
@@ -623,13 +627,15 @@ int uvc_query_v4l2_ctrl(struct uvc_video_device *video,
}
}
- return 0;
+ ret = 0;
+ goto out;
case V4L2_CTRL_TYPE_BOOLEAN:
v4l2_ctrl->minimum = 0;
v4l2_ctrl->maximum = 1;
v4l2_ctrl->step = 1;
- return 0;
+ ret = 0;
+ goto out;
default:
break;
@@ -638,26 +644,29 @@ int uvc_query_v4l2_ctrl(struct uvc_video_device *video,
if (ctrl->info->flags & UVC_CONTROL_GET_MIN) {
if ((ret = uvc_query_ctrl(video->dev, GET_MIN, ctrl->entity->id,
video->dev->intfnum, ctrl->info->selector,
- &data, ctrl->info->size)) < 0)
- return ret;
+ data, ctrl->info->size)) < 0)
+ goto out;
v4l2_ctrl->minimum = uvc_get_le_value(data, mapping);
}
if (ctrl->info->flags & UVC_CONTROL_GET_MAX) {
if ((ret = uvc_query_ctrl(video->dev, GET_MAX, ctrl->entity->id,
video->dev->intfnum, ctrl->info->selector,
- &data, ctrl->info->size)) < 0)
- return ret;
+ data, ctrl->info->size)) < 0)
+ goto out;
v4l2_ctrl->maximum = uvc_get_le_value(data, mapping);
}
if (ctrl->info->flags & UVC_CONTROL_GET_RES) {
if ((ret = uvc_query_ctrl(video->dev, GET_RES, ctrl->entity->id,
video->dev->intfnum, ctrl->info->selector,
- &data, ctrl->info->size)) < 0)
- return ret;
+ data, ctrl->info->size)) < 0)
+ goto out;
v4l2_ctrl->step = uvc_get_le_value(data, mapping);
}
- return 0;
+ ret = 0;
+out:
+ kfree(data);
+ return ret;
}
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index b3c4d75e849..7e102034d38 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -1884,7 +1884,7 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Packard Bell OEM Webcam */
+ /* Packard Bell OEM Webcam - Bison Electronics */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
.idVendor = 0x5986,
@@ -1893,7 +1893,7 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Acer Crystal Eye webcam */
+ /* Acer Crystal Eye webcam - Bison Electronics */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
.idVendor = 0x5986,
@@ -1902,7 +1902,7 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Medion Akoya Mini E1210 */
+ /* Medion Akoya Mini E1210 - Bison Electronics */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
.idVendor = 0x5986,
@@ -1911,7 +1911,7 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Acer OrbiCam - Unknown vendor */
+ /* Acer OrbiCam - Bison Electronics */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
.idVendor = 0x5986,
@@ -1920,6 +1920,24 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_PROBE_MINMAX },
+ /* Bison Electronics */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x5986,
+ .idProduct = 0x0300,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_QUIRK_PROBE_MINMAX },
+ /* Clevo M570TU - Bison Electronics */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x5986,
+ .idProduct = 0x0303,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_QUIRK_PROBE_MINMAX },
/* Generic USB Video Class */
{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, 0) },
{}
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index ad63794fda7..6854ac78a16 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -90,17 +90,20 @@ static void uvc_fixup_buffer_size(struct uvc_video_device *video,
static int uvc_get_video_ctrl(struct uvc_video_device *video,
struct uvc_streaming_control *ctrl, int probe, __u8 query)
{
- __u8 data[34];
- __u8 size;
+ __u8 *data;
+ __u16 size;
int ret;
size = video->dev->uvc_version >= 0x0110 ? 34 : 26;
+ data = kmalloc(size, GFP_KERNEL);
+ if (data == NULL)
+ return -ENOMEM;
+
ret = __uvc_query_ctrl(video->dev, query, 0, video->streaming->intfnum,
- probe ? VS_PROBE_CONTROL : VS_COMMIT_CONTROL, &data, size,
+ probe ? VS_PROBE_CONTROL : VS_COMMIT_CONTROL, data, size,
UVC_CTRL_STREAMING_TIMEOUT);
-
if (ret < 0)
- return ret;
+ goto out;
ctrl->bmHint = le16_to_cpup((__le16 *)&data[0]);
ctrl->bFormatIndex = data[2];
@@ -136,17 +139,22 @@ static int uvc_get_video_ctrl(struct uvc_video_device *video,
*/
uvc_fixup_buffer_size(video, ctrl);
- return 0;
+out:
+ kfree(data);
+ return ret;
}
int uvc_set_video_ctrl(struct uvc_video_device *video,
struct uvc_streaming_control *ctrl, int probe)
{
- __u8 data[34];
- __u8 size;
+ __u8 *data;
+ __u16 size;
+ int ret;
size = video->dev->uvc_version >= 0x0110 ? 34 : 26;
- memset(data, 0, sizeof data);
+ data = kzalloc(size, GFP_KERNEL);
+ if (data == NULL)
+ return -ENOMEM;
*(__le16 *)&data[0] = cpu_to_le16(ctrl->bmHint);
data[2] = ctrl->bFormatIndex;
@@ -174,10 +182,13 @@ int uvc_set_video_ctrl(struct uvc_video_device *video,
data[33] = ctrl->bMaxVersion;
}
- return __uvc_query_ctrl(video->dev, SET_CUR, 0,
+ ret = __uvc_query_ctrl(video->dev, SET_CUR, 0,
video->streaming->intfnum,
- probe ? VS_PROBE_CONTROL : VS_COMMIT_CONTROL, &data, size,
+ probe ? VS_PROBE_CONTROL : VS_COMMIT_CONTROL, data, size,
UVC_CTRL_STREAMING_TIMEOUT);
+
+ kfree(data);
+ return ret;
}
int uvc_probe_video(struct uvc_video_device *video,
diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c
index 556615fe93d..6f36006aecd 100644
--- a/drivers/media/video/v4l2-dev.c
+++ b/drivers/media/video/v4l2-dev.c
@@ -222,11 +222,13 @@ int video_register_device(struct video_device *vfd, int type, int nr)
EXPORT_SYMBOL(video_register_device);
/**
- * video_register_device - register video4linux devices
+ * video_register_device_index - register video4linux devices
* @vfd: video device structure we want to register
* @type: type of device to register
* @nr: which device number (0 == /dev/video0, 1 == /dev/video1, ...
* -1 == first free)
+ * @index: stream number based on parent device;
+ * -1 if auto assign, requested number otherwise
*
* The registration code assigns minor numbers based on the type
* requested. -ENFILE is returned in all the device slots for this
diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c
index ef7572cbc4a..1edda456fc6 100644
--- a/drivers/media/video/vino.c
+++ b/drivers/media/video/vino.c
@@ -41,6 +41,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <linux/video_decoder.h>
#include <linux/mutex.h>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 82af385460e..a726f3b01a6 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -427,10 +427,10 @@ config ENCLOSURE_SERVICES
config SGI_XP
tristate "Support communication between SGI SSIs"
depends on NET
- depends on IA64_GENERIC || IA64_SGI_SN2 || IA64_SGI_UV || (X86_64 && SMP)
+ depends on (IA64_GENERIC || IA64_SGI_SN2 || IA64_SGI_UV || X86_64) && SMP
select IA64_UNCACHED_ALLOCATOR if IA64_GENERIC || IA64_SGI_SN2
select GENERIC_ALLOCATOR if IA64_GENERIC || IA64_SGI_SN2
- select SGI_GRU if IA64_GENERIC || IA64_SGI_UV || (X86_64 && SMP)
+ select SGI_GRU if (IA64_GENERIC || IA64_SGI_UV || X86_64) && SMP
---help---
An SGI machine can be divided into multiple Single System
Images which act independently of each other and have
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 48399e134c0..32b9fe15364 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -463,7 +463,7 @@ config PC87413_WDT
module will be called pc87413_wdt.
Most people will say N.
-
+
config 60XX_WDT
tristate "SBC-60XX Watchdog Timer"
depends on X86
@@ -695,9 +695,17 @@ config 8xx_WDT
tristate "MPC8xx Watchdog Timer"
depends on 8xx
-config 83xx_WDT
- tristate "MPC83xx Watchdog Timer"
- depends on PPC_83xx
+config 8xxx_WDT
+ tristate "MPC8xxx Platform Watchdog Timer"
+ depends on PPC_8xx || PPC_83xx || PPC_86xx
+ help
+ This driver is for a SoC level watchdog that exists on some
+ Freescale PowerPC processors. So far this driver supports:
+ - MPC8xx watchdogs
+ - MPC83xx watchdogs
+ - MPC86xx watchdogs
+
+ For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
config MV64X60_WDT
tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index edd305a64e6..049c9189569 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -92,7 +92,7 @@ obj-$(CONFIG_SBC_EPX_C3_WATCHDOG) += sbc_epx_c3.o
# MIPS Architecture
obj-$(CONFIG_INDYDOG) += indydog.o
-obj-$(CONFIG_WDT_MTX1) += mtx-1_wdt.o
+obj-$(CONFIG_WDT_MTX1) += mtx-1_wdt.o
obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o
obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o
obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
@@ -103,7 +103,7 @@ obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
# POWERPC Architecture
obj-$(CONFIG_8xx_WDT) += mpc8xx_wdt.o
obj-$(CONFIG_MPC5200_WDT) += mpc5200_wdt.o
-obj-$(CONFIG_83xx_WDT) += mpc83xx_wdt.o
+obj-$(CONFIG_8xxx_WDT) += mpc8xxx_wdt.o
obj-$(CONFIG_MV64X60_WDT) += mv64x60_wdt.o
obj-$(CONFIG_BOOKE_WDT) += booke_wdt.o
diff --git a/drivers/watchdog/acquirewdt.c b/drivers/watchdog/acquirewdt.c
index 85269c365a1..6e46a551395 100644
--- a/drivers/watchdog/acquirewdt.c
+++ b/drivers/watchdog/acquirewdt.c
@@ -58,39 +58,45 @@
#include <linux/types.h> /* For standard types (like size_t) */
#include <linux/errno.h> /* For the -ENODEV/... values */
#include <linux/kernel.h> /* For printk/panic/... */
-#include <linux/miscdevice.h> /* For MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR) */
+#include <linux/miscdevice.h> /* For MODULE_ALIAS_MISCDEV
+ (WATCHDOG_MINOR) */
#include <linux/watchdog.h> /* For the watchdog specific items */
#include <linux/fs.h> /* For file operations */
#include <linux/ioport.h> /* For io-port access */
#include <linux/platform_device.h> /* For platform_driver framework */
#include <linux/init.h> /* For __init/__exit/... */
-
-#include <asm/uaccess.h> /* For copy_to_user/put_user/... */
-#include <asm/io.h> /* For inb/outb/... */
+#include <linux/uaccess.h> /* For copy_to_user/put_user/... */
+#include <linux/io.h> /* For inb/outb/... */
/* Module information */
#define DRV_NAME "acquirewdt"
#define PFX DRV_NAME ": "
#define WATCHDOG_NAME "Acquire WDT"
-#define WATCHDOG_HEARTBEAT 0 /* There is no way to see what the correct time-out period is */
+/* There is no way to see what the correct time-out period is */
+#define WATCHDOG_HEARTBEAT 0
/* internal variables */
-static struct platform_device *acq_platform_device; /* the watchdog platform device */
+/* the watchdog platform device */
+static struct platform_device *acq_platform_device;
static unsigned long acq_is_open;
static char expect_close;
/* module parameters */
-static int wdt_stop = 0x43; /* You must set this - there is no sane way to probe for this board. */
+/* You must set this - there is no sane way to probe for this board. */
+static int wdt_stop = 0x43;
module_param(wdt_stop, int, 0);
MODULE_PARM_DESC(wdt_stop, "Acquire WDT 'stop' io port (default 0x43)");
-static int wdt_start = 0x443; /* You must set this - there is no sane way to probe for this board. */
+/* You must set this - there is no sane way to probe for this board. */
+static int wdt_start = 0x443;
module_param(wdt_start, int, 0);
MODULE_PARM_DESC(wdt_start, "Acquire WDT 'start' io port (default 0x443)");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Watchdog Operations
@@ -112,18 +118,18 @@ static void acq_stop(void)
* /dev/watchdog handling
*/
-static ssize_t acq_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
+static ssize_t acq_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
- if(count) {
+ if (count) {
if (!nowayout) {
size_t i;
-
/* note: just in case someone wrote the magic character
- * five months ago... */
+ five months ago... */
expect_close = 0;
-
- /* scan to see whether or not we got the magic character */
+ /* scan to see whether or not we got the
+ magic character */
for (i = 0; i != count; i++) {
char c;
if (get_user(c, buf + i))
@@ -132,64 +138,55 @@ static ssize_t acq_write(struct file *file, const char __user *buf, size_t count
expect_close = 42;
}
}
-
- /* Well, anyhow someone wrote to us, we should return that favour */
+ /* Well, anyhow someone wrote to us, we should
+ return that favour */
acq_keepalive();
}
return count;
}
-static int acq_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long acq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int options, retval = -EINVAL;
void __user *argp = (void __user *)arg;
int __user *p = argp;
- static struct watchdog_info ident =
- {
+ static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = WATCHDOG_NAME,
};
- switch(cmd)
- {
+ switch (cmd) {
case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
-
- case WDIOC_KEEPALIVE:
- acq_keepalive();
- return 0;
-
- case WDIOC_GETTIMEOUT:
- return put_user(WATCHDOG_HEARTBEAT, p);
+ return put_user(0, p);
case WDIOC_SETOPTIONS:
{
- if (get_user(options, p))
- return -EFAULT;
-
- if (options & WDIOS_DISABLECARD)
- {
- acq_stop();
- retval = 0;
- }
-
- if (options & WDIOS_ENABLECARD)
- {
- acq_keepalive();
- retval = 0;
- }
-
- return retval;
+ if (get_user(options, p))
+ return -EFAULT;
+ if (options & WDIOS_DISABLECARD) {
+ acq_stop();
+ retval = 0;
+ }
+ if (options & WDIOS_ENABLECARD) {
+ acq_keepalive();
+ retval = 0;
+ }
+ return retval;
}
+ case WDIOC_KEEPALIVE:
+ acq_keepalive();
+ return 0;
+
+ case WDIOC_GETTIMEOUT:
+ return put_user(WATCHDOG_HEARTBEAT, p);
default:
- return -ENOTTY;
+ return -ENOTTY;
}
}
@@ -211,7 +208,8 @@ static int acq_close(struct inode *inode, struct file *file)
if (expect_close == 42) {
acq_stop();
} else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
acq_keepalive();
}
clear_bit(0, &acq_is_open);
@@ -227,7 +225,7 @@ static const struct file_operations acq_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = acq_write,
- .ioctl = acq_ioctl,
+ .unlocked_ioctl = acq_ioctl,
.open = acq_open,
.release = acq_close,
};
@@ -248,32 +246,29 @@ static int __devinit acq_probe(struct platform_device *dev)
if (wdt_stop != wdt_start) {
if (!request_region(wdt_stop, 1, WATCHDOG_NAME)) {
- printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
- wdt_stop);
+ printk(KERN_ERR PFX
+ "I/O address 0x%04x already in use\n", wdt_stop);
ret = -EIO;
goto out;
}
}
if (!request_region(wdt_start, 1, WATCHDOG_NAME)) {
- printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
+ printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
wdt_start);
ret = -EIO;
goto unreg_stop;
}
-
ret = misc_register(&acq_miscdev);
if (ret != 0) {
- printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto unreg_regions;
}
-
- printk (KERN_INFO PFX "initialized. (nowayout=%d)\n",
- nowayout);
+ printk(KERN_INFO PFX "initialized. (nowayout=%d)\n", nowayout);
return 0;
-
unreg_regions:
release_region(wdt_start, 1);
unreg_stop:
@@ -286,9 +281,9 @@ out:
static int __devexit acq_remove(struct platform_device *dev)
{
misc_deregister(&acq_miscdev);
- release_region(wdt_start,1);
- if(wdt_stop != wdt_start)
- release_region(wdt_stop,1);
+ release_region(wdt_start, 1);
+ if (wdt_stop != wdt_start)
+ release_region(wdt_stop, 1);
return 0;
}
@@ -313,18 +308,19 @@ static int __init acq_init(void)
{
int err;
- printk(KERN_INFO "WDT driver for Acquire single board computer initialising.\n");
+ printk(KERN_INFO
+ "WDT driver for Acquire single board computer initialising.\n");
err = platform_driver_register(&acquirewdt_driver);
if (err)
return err;
- acq_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0);
+ acq_platform_device = platform_device_register_simple(DRV_NAME,
+ -1, NULL, 0);
if (IS_ERR(acq_platform_device)) {
err = PTR_ERR(acq_platform_device);
goto unreg_platform_driver;
}
-
return 0;
unreg_platform_driver:
diff --git a/drivers/watchdog/advantechwdt.c b/drivers/watchdog/advantechwdt.c
index 8121cc24734..a5110f93a75 100644
--- a/drivers/watchdog/advantechwdt.c
+++ b/drivers/watchdog/advantechwdt.c
@@ -37,9 +37,9 @@
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
#define DRV_NAME "advantechwdt"
@@ -47,7 +47,8 @@
#define WATCHDOG_NAME "Advantech WDT"
#define WATCHDOG_TIMEOUT 60 /* 60 sec default timeout */
-static struct platform_device *advwdt_platform_device; /* the watchdog platform device */
+/* the watchdog platform device */
+static struct platform_device *advwdt_platform_device;
static unsigned long advwdt_is_open;
static char adv_expect_close;
@@ -72,35 +73,35 @@ MODULE_PARM_DESC(wdt_start, "Advantech WDT 'start' io port (default 0x443)");
static int timeout = WATCHDOG_TIMEOUT; /* in seconds */
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=63, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ".");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. 1<= timeout <=63, default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ".");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Watchdog Operations
*/
-static void
-advwdt_ping(void)
+static void advwdt_ping(void)
{
/* Write a watchdog value */
outb_p(timeout, wdt_start);
}
-static void
-advwdt_disable(void)
+static void advwdt_disable(void)
{
inb_p(wdt_stop);
}
-static int
-advwdt_set_heartbeat(int t)
+static int advwdt_set_heartbeat(int t)
{
- if ((t < 1) || (t > 63))
+ if (t < 1 || t > 63)
return -EINVAL;
-
timeout = t;
return 0;
}
@@ -109,8 +110,8 @@ advwdt_set_heartbeat(int t)
* /dev/watchdog handling
*/
-static ssize_t
-advwdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
+static ssize_t advwdt_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
if (count) {
if (!nowayout) {
@@ -120,7 +121,7 @@ advwdt_write(struct file *file, const char __user *buf, size_t count, loff_t *pp
for (i = 0; i != count; i++) {
char c;
- if (get_user(c, buf+i))
+ if (get_user(c, buf + i))
return -EFAULT;
if (c == 'V')
adv_expect_close = 42;
@@ -131,9 +132,7 @@ advwdt_write(struct file *file, const char __user *buf, size_t count, loff_t *pp
return count;
}
-static int
-advwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long advwdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int new_timeout;
void __user *argp = (void __user *)arg;
@@ -146,57 +145,50 @@ advwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user(argp, &ident, sizeof(ident)))
- return -EFAULT;
- break;
+ if (copy_to_user(argp, &ident, sizeof(ident)))
+ return -EFAULT;
+ break;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
-
- case WDIOC_KEEPALIVE:
- advwdt_ping();
- break;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(new_timeout, p))
- return -EFAULT;
- if (advwdt_set_heartbeat(new_timeout))
- return -EINVAL;
- advwdt_ping();
- /* Fall */
-
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
+ return put_user(0, p);
case WDIOC_SETOPTIONS:
{
- int options, retval = -EINVAL;
-
- if (get_user(options, p))
- return -EFAULT;
-
- if (options & WDIOS_DISABLECARD) {
- advwdt_disable();
- retval = 0;
- }
+ int options, retval = -EINVAL;
- if (options & WDIOS_ENABLECARD) {
- advwdt_ping();
- retval = 0;
- }
-
- return retval;
+ if (get_user(options, p))
+ return -EFAULT;
+ if (options & WDIOS_DISABLECARD) {
+ advwdt_disable();
+ retval = 0;
+ }
+ if (options & WDIOS_ENABLECARD) {
+ advwdt_ping();
+ retval = 0;
+ }
+ return retval;
}
+ case WDIOC_KEEPALIVE:
+ advwdt_ping();
+ break;
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+ if (advwdt_set_heartbeat(new_timeout))
+ return -EINVAL;
+ advwdt_ping();
+ /* Fall */
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
default:
- return -ENOTTY;
+ return -ENOTTY;
}
return 0;
}
-static int
-advwdt_open(struct inode *inode, struct file *file)
+static int advwdt_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(0, &advwdt_is_open))
return -EBUSY;
@@ -208,13 +200,13 @@ advwdt_open(struct inode *inode, struct file *file)
return nonseekable_open(inode, file);
}
-static int
-advwdt_close(struct inode *inode, struct file *file)
+static int advwdt_close(struct inode *inode, struct file *file)
{
if (adv_expect_close == 42) {
advwdt_disable();
} else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
advwdt_ping();
}
clear_bit(0, &advwdt_is_open);
@@ -230,7 +222,7 @@ static const struct file_operations advwdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = advwdt_write,
- .ioctl = advwdt_ioctl,
+ .unlocked_ioctl = advwdt_ioctl,
.open = advwdt_open,
.release = advwdt_close,
};
@@ -245,23 +237,24 @@ static struct miscdevice advwdt_miscdev = {
* Init & exit routines
*/
-static int __devinit
-advwdt_probe(struct platform_device *dev)
+static int __devinit advwdt_probe(struct platform_device *dev)
{
int ret;
if (wdt_stop != wdt_start) {
if (!request_region(wdt_stop, 1, WATCHDOG_NAME)) {
- printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
- wdt_stop);
+ printk(KERN_ERR PFX
+ "I/O address 0x%04x already in use\n",
+ wdt_stop);
ret = -EIO;
goto out;
}
}
if (!request_region(wdt_start, 1, WATCHDOG_NAME)) {
- printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
- wdt_start);
+ printk(KERN_ERR PFX
+ "I/O address 0x%04x already in use\n",
+ wdt_start);
ret = -EIO;
goto unreg_stop;
}
@@ -269,20 +262,19 @@ advwdt_probe(struct platform_device *dev)
/* Check that the heartbeat value is within it's range ; if not reset to the default */
if (advwdt_set_heartbeat(timeout)) {
advwdt_set_heartbeat(WATCHDOG_TIMEOUT);
- printk (KERN_INFO PFX "timeout value must be 1<=x<=63, using %d\n",
- timeout);
+ printk(KERN_INFO PFX
+ "timeout value must be 1<=x<=63, using %d\n", timeout);
}
ret = misc_register(&advwdt_miscdev);
if (ret != 0) {
- printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto unreg_regions;
}
-
- printk (KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
+ printk(KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
timeout, nowayout);
-
out:
return ret;
unreg_regions:
@@ -293,19 +285,17 @@ unreg_stop:
goto out;
}
-static int __devexit
-advwdt_remove(struct platform_device *dev)
+static int __devexit advwdt_remove(struct platform_device *dev)
{
misc_deregister(&advwdt_miscdev);
- release_region(wdt_start,1);
- if(wdt_stop != wdt_start)
- release_region(wdt_stop,1);
+ release_region(wdt_start, 1);
+ if (wdt_stop != wdt_start)
+ release_region(wdt_stop, 1);
return 0;
}
-static void
-advwdt_shutdown(struct platform_device *dev)
+static void advwdt_shutdown(struct platform_device *dev)
{
/* Turn the WDT off if we have a soft shutdown */
advwdt_disable();
@@ -321,18 +311,19 @@ static struct platform_driver advwdt_driver = {
},
};
-static int __init
-advwdt_init(void)
+static int __init advwdt_init(void)
{
int err;
- printk(KERN_INFO "WDT driver for Advantech single board computer initialising.\n");
+ printk(KERN_INFO
+ "WDT driver for Advantech single board computer initialising.\n");
err = platform_driver_register(&advwdt_driver);
if (err)
return err;
- advwdt_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0);
+ advwdt_platform_device = platform_device_register_simple(DRV_NAME,
+ -1, NULL, 0);
if (IS_ERR(advwdt_platform_device)) {
err = PTR_ERR(advwdt_platform_device);
goto unreg_platform_driver;
@@ -345,8 +336,7 @@ unreg_platform_driver:
return err;
}
-static void __exit
-advwdt_exit(void)
+static void __exit advwdt_exit(void)
{
platform_device_unregister(advwdt_platform_device);
platform_driver_unregister(&advwdt_driver);
diff --git a/drivers/watchdog/alim1535_wdt.c b/drivers/watchdog/alim1535_wdt.c
index 2b1fbdb2fcf..2a7690ecf97 100644
--- a/drivers/watchdog/alim1535_wdt.c
+++ b/drivers/watchdog/alim1535_wdt.c
@@ -18,9 +18,8 @@
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/pci.h>
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#define WATCHDOG_NAME "ALi_M1535"
#define PFX WATCHDOG_NAME ": "
@@ -30,17 +29,21 @@
static unsigned long ali_is_open;
static char ali_expect_release;
static struct pci_dev *ali_pci;
-static u32 ali_timeout_bits; /* stores the computed timeout */
+static u32 ali_timeout_bits; /* stores the computed timeout */
static DEFINE_SPINLOCK(ali_lock); /* Guards the hardware */
/* module parameters */
static int timeout = WATCHDOG_TIMEOUT;
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (0<timeout<18000, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. (0 < timeout < 18000, default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* ali_start - start watchdog countdown
@@ -103,15 +106,16 @@ static void ali_keepalive(void)
static int ali_settimer(int t)
{
- if(t < 0)
+ if (t < 0)
return -EINVAL;
- else if(t < 60)
+ else if (t < 60)
ali_timeout_bits = t|(1<<6);
- else if(t < 3600)
+ else if (t < 3600)
ali_timeout_bits = (t/60)|(1<<7);
- else if(t < 18000)
+ else if (t < 18000)
ali_timeout_bits = (t/300)|(1<<6)|(1<<7);
- else return -EINVAL;
+ else
+ return -EINVAL;
timeout = t;
return 0;
@@ -134,21 +138,22 @@ static int ali_settimer(int t)
*/
static ssize_t ali_write(struct file *file, const char __user *data,
- size_t len, loff_t * ppos)
+ size_t len, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
if (len) {
if (!nowayout) {
size_t i;
- /* note: just in case someone wrote the magic character
- * five months ago... */
+ /* note: just in case someone wrote the
+ magic character five months ago... */
ali_expect_release = 0;
- /* scan to see whether or not we got the magic character */
+ /* scan to see whether or not we got
+ the magic character */
for (i = 0; i != len; i++) {
char c;
- if(get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
ali_expect_release = 42;
@@ -163,7 +168,6 @@ static ssize_t ali_write(struct file *file, const char __user *data,
/*
* ali_ioctl - handle watchdog ioctls
- * @inode: VFS inode
* @file: VFS file pointer
* @cmd: ioctl number
* @arg: arguments to the ioctl
@@ -172,8 +176,7 @@ static ssize_t ali_write(struct file *file, const char __user *data,
* we want an extension to enable irq ack monitoring and the like
*/
-static int ali_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long ali_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
@@ -186,57 +189,45 @@ static int ali_ioctl(struct inode *inode, struct file *file,
};
switch (cmd) {
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident,
- sizeof (ident)) ? -EFAULT : 0;
-
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
-
- case WDIOC_KEEPALIVE:
- ali_keepalive();
- return 0;
-
- case WDIOC_SETOPTIONS:
- {
- int new_options, retval = -EINVAL;
-
- if (get_user (new_options, p))
- return -EFAULT;
-
- if (new_options & WDIOS_DISABLECARD) {
- ali_stop();
- retval = 0;
- }
-
- if (new_options & WDIOS_ENABLECARD) {
- ali_start();
- retval = 0;
- }
-
- return retval;
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_SETOPTIONS:
+ {
+ int new_options, retval = -EINVAL;
+
+ if (get_user(new_options, p))
+ return -EFAULT;
+ if (new_options & WDIOS_DISABLECARD) {
+ ali_stop();
+ retval = 0;
}
-
- case WDIOC_SETTIMEOUT:
- {
- int new_timeout;
-
- if (get_user(new_timeout, p))
- return -EFAULT;
-
- if (ali_settimer(new_timeout))
- return -EINVAL;
-
- ali_keepalive();
- /* Fall */
+ if (new_options & WDIOS_ENABLECARD) {
+ ali_start();
+ retval = 0;
}
-
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
-
- default:
- return -ENOTTY;
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ ali_keepalive();
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ {
+ int new_timeout;
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+ if (ali_settimer(new_timeout))
+ return -EINVAL;
+ ali_keepalive();
+ /* Fall */
+ }
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
+ default:
+ return -ENOTTY;
}
}
@@ -274,10 +265,11 @@ static int ali_release(struct inode *inode, struct file *file)
/*
* Shut off the timer.
*/
- if (ali_expect_release == 42) {
+ if (ali_expect_release == 42)
ali_stop();
- } else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ else {
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
ali_keepalive();
}
clear_bit(0, &ali_is_open);
@@ -292,13 +284,11 @@ static int ali_release(struct inode *inode, struct file *file)
*/
-static int ali_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
+static int ali_notify_sys(struct notifier_block *this,
+ unsigned long code, void *unused)
{
- if (code==SYS_DOWN || code==SYS_HALT) {
- /* Turn the WDT off */
- ali_stop();
- }
-
+ if (code == SYS_DOWN || code == SYS_HALT)
+ ali_stop(); /* Turn the WDT off */
return NOTIFY_DONE;
}
@@ -340,10 +330,10 @@ static int __init ali_find_watchdog(void)
/* Check for the a 7101 PMU */
pdev = pci_get_device(PCI_VENDOR_ID_AL, 0x7101, NULL);
- if(pdev == NULL)
+ if (pdev == NULL)
return -ENODEV;
- if(pci_enable_device(pdev)) {
+ if (pci_enable_device(pdev)) {
pci_dev_put(pdev);
return -EIO;
}
@@ -355,9 +345,12 @@ static int __init ali_find_watchdog(void)
*/
pci_read_config_dword(pdev, 0xCC, &wdog);
- wdog &= ~0x3F; /* Timer bits */
- wdog &= ~((1<<27)|(1<<26)|(1<<25)|(1<<24)); /* Issued events */
- wdog &= ~((1<<16)|(1<<13)|(1<<12)|(1<<11)|(1<<10)|(1<<9)); /* No monitor bits */
+ /* Timer bits */
+ wdog &= ~0x3F;
+ /* Issued events */
+ wdog &= ~((1<<27)|(1<<26)|(1<<25)|(1<<24));
+ /* No monitor bits */
+ wdog &= ~((1<<16)|(1<<13)|(1<<12)|(1<<11)|(1<<10)|(1<<9));
pci_write_config_dword(pdev, 0xCC, wdog);
@@ -369,12 +362,12 @@ static int __init ali_find_watchdog(void)
*/
static const struct file_operations ali_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = ali_write,
- .ioctl = ali_ioctl,
- .open = ali_open,
- .release = ali_release,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = ali_write,
+ .unlocked_ioctl = ali_ioctl,
+ .open = ali_open,
+ .release = ali_release,
};
static struct miscdevice ali_miscdev = {
@@ -399,15 +392,16 @@ static int __init watchdog_init(void)
int ret;
/* Check whether or not the hardware watchdog is there */
- if (ali_find_watchdog() != 0) {
+ if (ali_find_watchdog() != 0)
return -ENODEV;
- }
- /* Check that the timeout value is within it's range ; if not reset to the default */
+ /* Check that the timeout value is within it's range;
+ if not reset to the default */
if (timeout < 1 || timeout >= 18000) {
timeout = WATCHDOG_TIMEOUT;
- printk(KERN_INFO PFX "timeout value must be 0<timeout<18000, using %d\n",
- timeout);
+ printk(KERN_INFO PFX
+ "timeout value must be 0 < timeout < 18000, using %d\n",
+ timeout);
}
/* Calculate the watchdog's timeout */
@@ -415,15 +409,16 @@ static int __init watchdog_init(void)
ret = register_reboot_notifier(&ali_notifier);
if (ret != 0) {
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- ret);
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", ret);
goto out;
}
ret = misc_register(&ali_miscdev);
if (ret != 0) {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto unreg_reboot;
}
diff --git a/drivers/watchdog/alim7101_wdt.c b/drivers/watchdog/alim7101_wdt.c
index 238273c9865..a045ef86943 100644
--- a/drivers/watchdog/alim7101_wdt.c
+++ b/drivers/watchdog/alim7101_wdt.c
@@ -31,9 +31,9 @@
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/pci.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
#define OUR_NAME "alim7101_wdt"
@@ -60,13 +60,17 @@
*/
#define WATCHDOG_TIMEOUT 30 /* 30 sec default timeout */
-static int timeout = WATCHDOG_TIMEOUT; /* in seconds, will be multiplied by HZ to get seconds to wait for a ping */
+/* in seconds, will be multiplied by HZ to get seconds to wait for a ping */
+static int timeout = WATCHDOG_TIMEOUT;
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1<=timeout<=3600, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. (1<=timeout<=3600, default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
-static int use_gpio = 0; /* Use the pic (for a1d revision alim7101) */
+static int use_gpio; /* Use the pic (for a1d revision alim7101) */
module_param(use_gpio, int, 0);
-MODULE_PARM_DESC(use_gpio, "Use the gpio watchdog. (required by old cobalt boards)");
+MODULE_PARM_DESC(use_gpio,
+ "Use the gpio watchdog (required by old cobalt boards).");
static void wdt_timer_ping(unsigned long);
static DEFINE_TIMER(timer, wdt_timer_ping, 0, 1);
@@ -77,8 +81,9 @@ static struct pci_dev *alim7101_pmu;
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
- __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Whack the dog
@@ -89,23 +94,26 @@ static void wdt_timer_ping(unsigned long data)
/* If we got a heartbeat pulse within the WDT_US_INTERVAL
* we agree to ping the WDT
*/
- char tmp;
+ char tmp;
- if(time_before(jiffies, next_heartbeat))
- {
+ if (time_before(jiffies, next_heartbeat)) {
/* Ping the WDT (this is actually a disarm/arm sequence) */
pci_read_config_byte(alim7101_pmu, 0x92, &tmp);
- pci_write_config_byte(alim7101_pmu, ALI_7101_WDT, (tmp & ~ALI_WDT_ARM));
- pci_write_config_byte(alim7101_pmu, ALI_7101_WDT, (tmp | ALI_WDT_ARM));
+ pci_write_config_byte(alim7101_pmu,
+ ALI_7101_WDT, (tmp & ~ALI_WDT_ARM));
+ pci_write_config_byte(alim7101_pmu,
+ ALI_7101_WDT, (tmp | ALI_WDT_ARM));
if (use_gpio) {
- pci_read_config_byte(alim7101_pmu, ALI_7101_GPIO_O, &tmp);
- pci_write_config_byte(alim7101_pmu, ALI_7101_GPIO_O, tmp
- | 0x20);
- pci_write_config_byte(alim7101_pmu, ALI_7101_GPIO_O, tmp
- & ~0x20);
+ pci_read_config_byte(alim7101_pmu,
+ ALI_7101_GPIO_O, &tmp);
+ pci_write_config_byte(alim7101_pmu,
+ ALI_7101_GPIO_O, tmp | 0x20);
+ pci_write_config_byte(alim7101_pmu,
+ ALI_7101_GPIO_O, tmp & ~0x20);
}
} else {
- printk(KERN_WARNING PFX "Heartbeat lost! Will not ping the watchdog\n");
+ printk(KERN_WARNING PFX
+ "Heartbeat lost! Will not ping the watchdog\n");
}
/* Re-set the timer interval */
mod_timer(&timer, jiffies + WDT_INTERVAL);
@@ -117,21 +125,27 @@ static void wdt_timer_ping(unsigned long data)
static void wdt_change(int writeval)
{
- char tmp;
+ char tmp;
pci_read_config_byte(alim7101_pmu, ALI_7101_WDT, &tmp);
if (writeval == WDT_ENABLE) {
- pci_write_config_byte(alim7101_pmu, ALI_7101_WDT, (tmp | ALI_WDT_ARM));
+ pci_write_config_byte(alim7101_pmu,
+ ALI_7101_WDT, (tmp | ALI_WDT_ARM));
if (use_gpio) {
- pci_read_config_byte(alim7101_pmu, ALI_7101_GPIO_O, &tmp);
- pci_write_config_byte(alim7101_pmu, ALI_7101_GPIO_O, tmp & ~0x20);
+ pci_read_config_byte(alim7101_pmu,
+ ALI_7101_GPIO_O, &tmp);
+ pci_write_config_byte(alim7101_pmu,
+ ALI_7101_GPIO_O, tmp & ~0x20);
}
} else {
- pci_write_config_byte(alim7101_pmu, ALI_7101_WDT, (tmp & ~ALI_WDT_ARM));
+ pci_write_config_byte(alim7101_pmu,
+ ALI_7101_WDT, (tmp & ~ALI_WDT_ARM));
if (use_gpio) {
- pci_read_config_byte(alim7101_pmu, ALI_7101_GPIO_O, &tmp);
- pci_write_config_byte(alim7101_pmu, ALI_7101_GPIO_O, tmp | 0x20);
+ pci_read_config_byte(alim7101_pmu,
+ ALI_7101_GPIO_O, &tmp);
+ pci_write_config_byte(alim7101_pmu,
+ ALI_7101_GPIO_O, tmp | 0x20);
}
}
}
@@ -169,10 +183,11 @@ static void wdt_keepalive(void)
* /dev/watchdog handling
*/
-static ssize_t fop_write(struct file * file, const char __user * buf, size_t count, loff_t * ppos)
+static ssize_t fop_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
- if(count) {
+ if (count) {
if (!nowayout) {
size_t ofs;
@@ -183,7 +198,7 @@ static ssize_t fop_write(struct file * file, const char __user * buf, size_t cou
/* now scan */
for (ofs = 0; ofs != count; ofs++) {
char c;
- if (get_user(c, buf+ofs))
+ if (get_user(c, buf + ofs))
return -EFAULT;
if (c == 'V')
wdt_expect_close = 42;
@@ -195,119 +210,116 @@ static ssize_t fop_write(struct file * file, const char __user * buf, size_t cou
return count;
}
-static int fop_open(struct inode * inode, struct file * file)
+static int fop_open(struct inode *inode, struct file *file)
{
/* Just in case we're already talking to someone... */
- if(test_and_set_bit(0, &wdt_is_open))
+ if (test_and_set_bit(0, &wdt_is_open))
return -EBUSY;
/* Good, fire up the show */
wdt_startup();
return nonseekable_open(inode, file);
}
-static int fop_close(struct inode * inode, struct file * file)
+static int fop_close(struct inode *inode, struct file *file)
{
- if(wdt_expect_close == 42)
+ if (wdt_expect_close == 42)
wdt_turnoff();
else {
/* wim: shouldn't there be a: del_timer(&timer); */
- printk(KERN_CRIT PFX "device file closed unexpectedly. Will not stop the WDT!\n");
+ printk(KERN_CRIT PFX
+ "device file closed unexpectedly. Will not stop the WDT!\n");
}
clear_bit(0, &wdt_is_open);
wdt_expect_close = 0;
return 0;
}
-static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
- static struct watchdog_info ident =
- {
- .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+ static struct watchdog_info ident = {
+ .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT
+ | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "ALiM7101",
};
- switch(cmd)
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_SETOPTIONS:
{
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
- case WDIOC_KEEPALIVE:
- wdt_keepalive();
- return 0;
- case WDIOC_SETOPTIONS:
- {
- int new_options, retval = -EINVAL;
-
- if(get_user(new_options, p))
- return -EFAULT;
-
- if(new_options & WDIOS_DISABLECARD) {
- wdt_turnoff();
- retval = 0;
- }
+ int new_options, retval = -EINVAL;
- if(new_options & WDIOS_ENABLECARD) {
- wdt_startup();
- retval = 0;
- }
-
- return retval;
+ if (get_user(new_options, p))
+ return -EFAULT;
+ if (new_options & WDIOS_DISABLECARD) {
+ wdt_turnoff();
+ retval = 0;
}
- case WDIOC_SETTIMEOUT:
- {
- int new_timeout;
-
- if(get_user(new_timeout, p))
- return -EFAULT;
-
- if(new_timeout < 1 || new_timeout > 3600) /* arbitrary upper limit */
- return -EINVAL;
-
- timeout = new_timeout;
- wdt_keepalive();
- /* Fall through */
+ if (new_options & WDIOS_ENABLECARD) {
+ wdt_startup();
+ retval = 0;
}
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
- default:
- return -ENOTTY;
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ wdt_keepalive();
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ {
+ int new_timeout;
+
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+ /* arbitrary upper limit */
+ if (new_timeout < 1 || new_timeout > 3600)
+ return -EINVAL;
+ timeout = new_timeout;
+ wdt_keepalive();
+ /* Fall through */
+ }
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
+ default:
+ return -ENOTTY;
}
}
static const struct file_operations wdt_fops = {
- .owner= THIS_MODULE,
- .llseek= no_llseek,
- .write= fop_write,
- .open= fop_open,
- .release= fop_close,
- .ioctl= fop_ioctl,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = fop_write,
+ .open = fop_open,
+ .release = fop_close,
+ .unlocked_ioctl = fop_ioctl,
};
static struct miscdevice wdt_miscdev = {
- .minor=WATCHDOG_MINOR,
- .name="watchdog",
- .fops=&wdt_fops,
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &wdt_fops,
};
/*
* Notifier for system down
*/
-static int wdt_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
+static int wdt_notify_sys(struct notifier_block *this,
+ unsigned long code, void *unused)
{
- if (code==SYS_DOWN || code==SYS_HALT)
+ if (code == SYS_DOWN || code == SYS_HALT)
wdt_turnoff();
- if (code==SYS_RESTART) {
+ if (code == SYS_RESTART) {
/*
- * Cobalt devices have no way of rebooting themselves other than
- * getting the watchdog to pull reset, so we restart the watchdog on
- * reboot with no heartbeat
+ * Cobalt devices have no way of rebooting themselves other
+ * than getting the watchdog to pull reset, so we restart the
+ * watchdog on reboot with no heartbeat
*/
wdt_change(WDT_ENABLE);
printk(KERN_INFO PFX "Watchdog timer is now enabled with no heartbeat - should reboot in ~1 second.\n");
@@ -320,8 +332,7 @@ static int wdt_notify_sys(struct notifier_block *this, unsigned long code, void
* turn the timebomb registers off.
*/
-static struct notifier_block wdt_notifier=
-{
+static struct notifier_block wdt_notifier = {
.notifier_call = wdt_notify_sys,
};
@@ -354,7 +365,8 @@ static int __init alim7101_wdt_init(void)
ali1543_south = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
NULL);
if (!ali1543_south) {
- printk(KERN_INFO PFX "ALi 1543 South-Bridge not present - WDT not set\n");
+ printk(KERN_INFO PFX
+ "ALi 1543 South-Bridge not present - WDT not set\n");
goto err_out;
}
pci_read_config_byte(ali1543_south, 0x5e, &tmp);
@@ -363,24 +375,25 @@ static int __init alim7101_wdt_init(void)
if (!use_gpio) {
printk(KERN_INFO PFX "Detected old alim7101 revision 'a1d'. If this is a cobalt board, set the 'use_gpio' module parameter.\n");
goto err_out;
- }
+ }
nowayout = 1;
} else if ((tmp & 0x1e) != 0x12 && (tmp & 0x1e) != 0x00) {
printk(KERN_INFO PFX "ALi 1543 South-Bridge does not have the correct revision number (???1001?) - WDT not set\n");
goto err_out;
}
- if(timeout < 1 || timeout > 3600) /* arbitrary upper limit */
- {
+ if (timeout < 1 || timeout > 3600) {
+ /* arbitrary upper limit */
timeout = WATCHDOG_TIMEOUT;
- printk(KERN_INFO PFX "timeout value must be 1<=x<=3600, using %d\n",
- timeout);
+ printk(KERN_INFO PFX
+ "timeout value must be 1 <= x <= 3600, using %d\n",
+ timeout);
}
rc = register_reboot_notifier(&wdt_notifier);
if (rc) {
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- rc);
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", rc);
goto err_out;
}
@@ -391,9 +404,8 @@ static int __init alim7101_wdt_init(void)
goto err_out_reboot;
}
- if (nowayout) {
+ if (nowayout)
__module_get(THIS_MODULE);
- }
printk(KERN_INFO PFX "WDT driver for ALi M7101 initialised. timeout=%d sec (nowayout=%d)\n",
timeout, nowayout);
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index ef7b0d67095..55dcbfe2bb7 100644
--- a/drivers/watchdog/ar7_wdt.c
+++ b/drivers/watchdog/ar7_wdt.c
@@ -213,7 +213,7 @@ static int ar7_wdt_notify_sys(struct notifier_block *this,
}
static struct notifier_block ar7_wdt_notifier = {
- .notifier_call = ar7_wdt_notify_sys
+ .notifier_call = ar7_wdt_notify_sys,
};
static ssize_t ar7_wdt_write(struct file *file, const char *data,
@@ -230,7 +230,7 @@ static ssize_t ar7_wdt_write(struct file *file, const char *data,
expect_close = 0;
for (i = 0; i < len; ++i) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
@@ -251,8 +251,6 @@ static long ar7_wdt_ioctl(struct file *file,
int new_margin;
switch (cmd) {
- default:
- return -ENOTTY;
case WDIOC_GETSUPPORT:
if (copy_to_user((struct watchdog_info *)arg, &ident,
sizeof(ident)))
@@ -281,6 +279,8 @@ static long ar7_wdt_ioctl(struct file *file,
if (put_user(margin, (int *)arg))
return -EFAULT;
return 0;
+ default:
+ return -ENOTTY;
}
}
diff --git a/drivers/watchdog/at32ap700x_wdt.c b/drivers/watchdog/at32ap700x_wdt.c
index ae0fca5e874..e8ae638e580 100644
--- a/drivers/watchdog/at32ap700x_wdt.c
+++ b/drivers/watchdog/at32ap700x_wdt.c
@@ -212,8 +212,8 @@ static struct watchdog_info at32_wdt_info = {
/*
* Handle commands from user-space.
*/
-static int at32_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long at32_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int ret = -ENOTTY;
int time;
@@ -221,27 +221,10 @@ static int at32_wdt_ioctl(struct inode *inode, struct file *file,
int __user *p = argp;
switch (cmd) {
- case WDIOC_KEEPALIVE:
- at32_wdt_pat();
- ret = 0;
- break;
case WDIOC_GETSUPPORT:
ret = copy_to_user(argp, &at32_wdt_info,
sizeof(at32_wdt_info)) ? -EFAULT : 0;
break;
- case WDIOC_SETTIMEOUT:
- ret = get_user(time, p);
- if (ret)
- break;
- ret = at32_wdt_settimeout(time);
- if (ret)
- break;
- /* Enable new time value */
- at32_wdt_start();
- /* fall through */
- case WDIOC_GETTIMEOUT:
- ret = put_user(wdt->timeout, p);
- break;
case WDIOC_GETSTATUS:
ret = put_user(0, p);
break;
@@ -258,6 +241,23 @@ static int at32_wdt_ioctl(struct inode *inode, struct file *file,
at32_wdt_start();
ret = 0;
break;
+ case WDIOC_KEEPALIVE:
+ at32_wdt_pat();
+ ret = 0;
+ break;
+ case WDIOC_SETTIMEOUT:
+ ret = get_user(time, p);
+ if (ret)
+ break;
+ ret = at32_wdt_settimeout(time);
+ if (ret)
+ break;
+ /* Enable new time value */
+ at32_wdt_start();
+ /* fall through */
+ case WDIOC_GETTIMEOUT:
+ ret = put_user(wdt->timeout, p);
+ break;
}
return ret;
@@ -283,7 +283,7 @@ static ssize_t at32_wdt_write(struct file *file, const char __user *data,
*/
for (i = 0; i != len; i++) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_release = 42;
@@ -298,7 +298,7 @@ static ssize_t at32_wdt_write(struct file *file, const char __user *data,
static const struct file_operations at32_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
- .ioctl = at32_wdt_ioctl,
+ .unlocked_ioctl = at32_wdt_ioctl,
.open = at32_wdt_open,
.release = at32_wdt_close,
.write = at32_wdt_write,
@@ -391,7 +391,6 @@ static int __exit at32_wdt_remove(struct platform_device *pdev)
wdt = NULL;
platform_set_drvdata(pdev, NULL);
}
-
return 0;
}
diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c
index 9ff9a956532..2313f44144f 100644
--- a/drivers/watchdog/at91rm9200_wdt.c
+++ b/drivers/watchdog/at91rm9200_wdt.c
@@ -20,7 +20,7 @@
#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/watchdog.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/arch/at91_st.h>
@@ -31,11 +31,14 @@ static int wdt_time = WDT_DEFAULT_TIME;
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(wdt_time, int, 0);
-MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default="__MODULE_STRING(WDT_DEFAULT_TIME) ")");
+MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default="
+ __MODULE_STRING(WDT_DEFAULT_TIME) ")");
#ifdef CONFIG_WATCHDOG_NOWAYOUT
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
#endif
@@ -46,7 +49,7 @@ static unsigned long at91wdt_busy;
/*
* Disable the watchdog.
*/
-static void inline at91_wdt_stop(void)
+static inline void at91_wdt_stop(void)
{
at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN);
}
@@ -54,16 +57,17 @@ static void inline at91_wdt_stop(void)
/*
* Enable and reset the watchdog.
*/
-static void inline at91_wdt_start(void)
+static inline void at91_wdt_start(void)
{
- at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN | AT91_ST_RSTEN | (((65536 * wdt_time) >> 8) & AT91_ST_WDV));
+ at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN | AT91_ST_RSTEN |
+ (((65536 * wdt_time) >> 8) & AT91_ST_WDV));
at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
}
/*
* Reload the watchdog timer. (ie, pat the watchdog)
*/
-static void inline at91_wdt_reload(void)
+static inline void at91_wdt_reload(void)
{
at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
}
@@ -89,8 +93,9 @@ static int at91_wdt_open(struct inode *inode, struct file *file)
*/
static int at91_wdt_close(struct inode *inode, struct file *file)
{
+ /* Disable the watchdog when file is closed */
if (!nowayout)
- at91_wdt_stop(); /* Disable the watchdog when file is closed */
+ at91_wdt_stop();
clear_bit(0, &at91wdt_busy);
return 0;
@@ -110,7 +115,8 @@ static int at91_wdt_settimeout(int new_time)
if ((new_time <= 0) || (new_time > WDT_MAX_TIME))
return -EINVAL;
- /* Set new watchdog time. It will be used when at91_wdt_start() is called. */
+ /* Set new watchdog time. It will be used when
+ at91_wdt_start() is called. */
wdt_time = new_time;
return 0;
}
@@ -123,60 +129,52 @@ static struct watchdog_info at91_wdt_info = {
/*
* Handle commands from user-space.
*/
-static int at91_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long at91_wdt_ioct(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
int new_value;
- switch(cmd) {
- case WDIOC_KEEPALIVE:
- at91_wdt_reload(); /* pat the watchdog */
- return 0;
-
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &at91_wdt_info, sizeof(at91_wdt_info)) ? -EFAULT : 0;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(new_value, p))
- return -EFAULT;
-
- if (at91_wdt_settimeout(new_value))
- return -EINVAL;
-
- /* Enable new time value */
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &at91_wdt_info,
+ sizeof(at91_wdt_info)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_SETOPTIONS:
+ if (get_user(new_value, p))
+ return -EFAULT;
+ if (new_value & WDIOS_DISABLECARD)
+ at91_wdt_stop();
+ if (new_value & WDIOS_ENABLECARD)
at91_wdt_start();
-
- /* Return current value */
- return put_user(wdt_time, p);
-
- case WDIOC_GETTIMEOUT:
- return put_user(wdt_time, p);
-
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
-
- case WDIOC_SETOPTIONS:
- if (get_user(new_value, p))
- return -EFAULT;
-
- if (new_value & WDIOS_DISABLECARD)
- at91_wdt_stop();
- if (new_value & WDIOS_ENABLECARD)
- at91_wdt_start();
- return 0;
-
- default:
- return -ENOTTY;
+ return 0;
+ case WDIOC_KEEPALIVE:
+ at91_wdt_reload(); /* pat the watchdog */
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_value, p))
+ return -EFAULT;
+ if (at91_wdt_settimeout(new_value))
+ return -EINVAL;
+ /* Enable new time value */
+ at91_wdt_start();
+ /* Return current value */
+ return put_user(wdt_time, p);
+ case WDIOC_GETTIMEOUT:
+ return put_user(wdt_time, p);
+ default:
+ return -ENOTTY;
}
}
/*
* Pat the watchdog whenever device is written to.
*/
-static ssize_t at91_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
+static ssize_t at91_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
{
at91_wdt_reload(); /* pat the watchdog */
return len;
@@ -187,7 +185,7 @@ static ssize_t at91_wdt_write(struct file *file, const char *data, size_t len, l
static const struct file_operations at91wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
- .ioctl = at91_wdt_ioctl,
+ .unlocked_ioctl = at91_wdt_ioctl,
.open = at91_wdt_open,
.release = at91_wdt_close,
.write = at91_wdt_write,
@@ -211,7 +209,8 @@ static int __init at91wdt_probe(struct platform_device *pdev)
if (res)
return res;
- printk("AT91 Watchdog Timer enabled (%d seconds%s)\n", wdt_time, nowayout ? ", nowayout" : "");
+ printk(KERN_INFO "AT91 Watchdog Timer enabled (%d seconds%s)\n",
+ wdt_time, nowayout ? ", nowayout" : "");
return 0;
}
@@ -265,7 +264,8 @@ static struct platform_driver at91wdt_driver = {
static int __init at91_wdt_init(void)
{
- /* Check that the heartbeat value is within range; if not reset to the default */
+ /* Check that the heartbeat value is within range;
+ if not reset to the default */
if (at91_wdt_settimeout(wdt_time)) {
at91_wdt_settimeout(WDT_DEFAULT_TIME);
pr_info("at91_wdt: wdt_time value must be 1 <= wdt_time <= 256, using %d\n", wdt_time);
diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c
index 03b3e3d91e7..31b42253054 100644
--- a/drivers/watchdog/bfin_wdt.c
+++ b/drivers/watchdog/bfin_wdt.c
@@ -24,8 +24,8 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/uaccess.h>
#include <asm/blackfin.h>
-#include <asm/uaccess.h>
#define stamp(fmt, args...) pr_debug("%s:%i: " fmt "\n", __func__, __LINE__, ## args)
#define stampit() stamp("here i am")
@@ -148,7 +148,8 @@ static int bfin_wdt_set_timeout(unsigned long t)
int run = bfin_wdt_running();
bfin_wdt_stop();
bfin_write_WDOG_CNT(cnt);
- if (run) bfin_wdt_start();
+ if (run)
+ bfin_wdt_start();
}
spin_unlock_irqrestore(&bfin_wdt_spinlock, flags);
@@ -191,16 +192,15 @@ static int bfin_wdt_release(struct inode *inode, struct file *file)
{
stampit();
- if (expect_close == 42) {
+ if (expect_close == 42)
bfin_wdt_stop();
- } else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ else {
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
bfin_wdt_keepalive();
}
-
expect_close = 0;
clear_bit(0, &open_check);
-
return 0;
}
@@ -214,7 +214,7 @@ static int bfin_wdt_release(struct inode *inode, struct file *file)
* Pings the watchdog on write.
*/
static ssize_t bfin_wdt_write(struct file *file, const char __user *data,
- size_t len, loff_t *ppos)
+ size_t len, loff_t *ppos)
{
stampit();
@@ -241,7 +241,6 @@ static ssize_t bfin_wdt_write(struct file *file, const char __user *data,
/**
* bfin_wdt_ioctl - Query Device
- * @inode: inode of device
* @file: file handle of device
* @cmd: watchdog command
* @arg: argument
@@ -249,8 +248,8 @@ static ssize_t bfin_wdt_write(struct file *file, const char __user *data,
* Query basic information from the device or ping it, as outlined by the
* watchdog API.
*/
-static int bfin_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long bfin_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
@@ -258,59 +257,49 @@ static int bfin_wdt_ioctl(struct inode *inode, struct file *file,
stampit();
switch (cmd) {
- default:
- return -ENOTTY;
-
- case WDIOC_GETSUPPORT:
- if (copy_to_user(argp, &bfin_wdt_info, sizeof(bfin_wdt_info)))
- return -EFAULT;
- else
- return 0;
-
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(!!(_bfin_swrst & SWRST_RESET_WDOG), p);
-
- case WDIOC_KEEPALIVE:
- bfin_wdt_keepalive();
+ case WDIOC_GETSUPPORT:
+ if (copy_to_user(argp, &bfin_wdt_info, sizeof(bfin_wdt_info)))
+ return -EFAULT;
+ else
return 0;
-
- case WDIOC_SETTIMEOUT: {
- int new_timeout;
-
- if (get_user(new_timeout, p))
- return -EFAULT;
-
- if (bfin_wdt_set_timeout(new_timeout))
- return -EINVAL;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(!!(_bfin_swrst & SWRST_RESET_WDOG), p);
+ case WDIOC_SETOPTIONS: {
+ unsigned long flags;
+ int options, ret = -EINVAL;
+
+ if (get_user(options, p))
+ return -EFAULT;
+
+ spin_lock_irqsave(&bfin_wdt_spinlock, flags);
+ if (options & WDIOS_DISABLECARD) {
+ bfin_wdt_stop();
+ ret = 0;
}
- /* Fall */
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
-
- case WDIOC_SETOPTIONS: {
- unsigned long flags;
- int options, ret = -EINVAL;
-
- if (get_user(options, p))
- return -EFAULT;
-
- spin_lock_irqsave(&bfin_wdt_spinlock, flags);
-
- if (options & WDIOS_DISABLECARD) {
- bfin_wdt_stop();
- ret = 0;
- }
-
- if (options & WDIOS_ENABLECARD) {
- bfin_wdt_start();
- ret = 0;
- }
-
- spin_unlock_irqrestore(&bfin_wdt_spinlock, flags);
-
- return ret;
+ if (options & WDIOS_ENABLECARD) {
+ bfin_wdt_start();
+ ret = 0;
}
+ spin_unlock_irqrestore(&bfin_wdt_spinlock, flags);
+ return ret;
+ }
+ case WDIOC_KEEPALIVE:
+ bfin_wdt_keepalive();
+ return 0;
+ case WDIOC_SETTIMEOUT: {
+ int new_timeout;
+
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+ if (bfin_wdt_set_timeout(new_timeout))
+ return -EINVAL;
+ }
+ /* Fall */
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
+ default:
+ return -ENOTTY;
}
}
@@ -323,8 +312,8 @@ static int bfin_wdt_ioctl(struct inode *inode, struct file *file,
* Handles specific events, such as turning off the watchdog during a
* shutdown event.
*/
-static int bfin_wdt_notify_sys(struct notifier_block *this, unsigned long code,
- void *unused)
+static int bfin_wdt_notify_sys(struct notifier_block *this,
+ unsigned long code, void *unused)
{
stampit();
@@ -379,12 +368,12 @@ static int bfin_wdt_resume(struct platform_device *pdev)
#endif
static const struct file_operations bfin_wdt_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = bfin_wdt_write,
- .ioctl = bfin_wdt_ioctl,
- .open = bfin_wdt_open,
- .release = bfin_wdt_release,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = bfin_wdt_write,
+ .unlocked_ioctl = bfin_wdt_ioctl,
+ .open = bfin_wdt_open,
+ .release = bfin_wdt_release,
};
static struct miscdevice bfin_wdt_miscdev = {
@@ -396,8 +385,8 @@ static struct miscdevice bfin_wdt_miscdev = {
static struct watchdog_info bfin_wdt_info = {
.identity = "Blackfin Watchdog",
.options = WDIOF_SETTIMEOUT |
- WDIOF_KEEPALIVEPING |
- WDIOF_MAGICCLOSE,
+ WDIOF_KEEPALIVEPING |
+ WDIOF_MAGICCLOSE,
};
static struct notifier_block bfin_wdt_notifier = {
@@ -416,14 +405,16 @@ static int __devinit bfin_wdt_probe(struct platform_device *pdev)
ret = register_reboot_notifier(&bfin_wdt_notifier);
if (ret) {
- pr_devinit(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", ret);
+ pr_devinit(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", ret);
return ret;
}
ret = misc_register(&bfin_wdt_miscdev);
if (ret) {
- pr_devinit(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ pr_devinit(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
unregister_reboot_notifier(&bfin_wdt_notifier);
return ret;
}
@@ -516,7 +507,11 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
module_param(timeout, uint, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1<=timeout<=((2^32)/SCLK), default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. (1<=timeout<=((2^32)/SCLK), default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c
index 770824458d4..c3b78a76f17 100644
--- a/drivers/watchdog/booke_wdt.c
+++ b/drivers/watchdog/booke_wdt.c
@@ -18,9 +18,9 @@
#include <linux/miscdevice.h>
#include <linux/notifier.h>
#include <linux/watchdog.h>
+#include <linux/uaccess.h>
#include <asm/reg_booke.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
/* If the kernel parameter wdt=1, the watchdog will be enabled at boot.
@@ -32,7 +32,7 @@
*/
#ifdef CONFIG_FSL_BOOKE
-#define WDT_PERIOD_DEFAULT 63 /* Ex. wdt_period=28 bus=333Mhz , reset=~40sec */
+#define WDT_PERIOD_DEFAULT 63 /* Ex. wdt_period=28 bus=333Mhz,reset=~40sec */
#else
#define WDT_PERIOD_DEFAULT 3 /* Refer to the PPC40x and PPC4xx manuals */
#endif /* for timing information */
@@ -82,16 +82,15 @@ static struct watchdog_info ident = {
.identity = "PowerPC Book-E Watchdog",
};
-static int booke_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long booke_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
u32 tmp = 0;
u32 __user *p = (u32 __user *)arg;
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user((struct watchdog_info __user *)arg, &ident,
- sizeof(struct watchdog_info)))
+ if (copy_to_user(arg, &ident, sizeof(struct watchdog_info)))
return -EFAULT;
case WDIOC_GETSTATUS:
return put_user(ident.options, p);
@@ -100,16 +99,6 @@ static int booke_wdt_ioctl(struct inode *inode, struct file *file,
tmp = mfspr(SPRN_TSR) & TSR_WRS(3);
/* returns 1 if last reset was caused by the WDT */
return (tmp ? 1 : 0);
- case WDIOC_KEEPALIVE:
- booke_wdt_ping();
- return 0;
- case WDIOC_SETTIMEOUT:
- if (get_user(booke_wdt_period, p))
- return -EFAULT;
- mtspr(SPRN_TCR, (mfspr(SPRN_TCR)&~WDTP(0))|WDTP(booke_wdt_period));
- return 0;
- case WDIOC_GETTIMEOUT:
- return put_user(booke_wdt_period, p);
case WDIOC_SETOPTIONS:
if (get_user(tmp, p))
return -EINVAL;
@@ -119,6 +108,17 @@ static int booke_wdt_ioctl(struct inode *inode, struct file *file,
} else
return -EINVAL;
return 0;
+ case WDIOC_KEEPALIVE:
+ booke_wdt_ping();
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ if (get_user(booke_wdt_period, p))
+ return -EFAULT;
+ mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP(0)) |
+ WDTP(booke_wdt_period));
+ return 0;
+ case WDIOC_GETTIMEOUT:
+ return put_user(booke_wdt_period, p);
default:
return -ENOTTY;
}
@@ -132,8 +132,9 @@ static int booke_wdt_open(struct inode *inode, struct file *file)
if (booke_wdt_enabled == 0) {
booke_wdt_enabled = 1;
on_each_cpu(__booke_wdt_enable, NULL, 0);
- printk(KERN_INFO "PowerPC Book-E Watchdog Timer Enabled "
- "(wdt_period=%d)\n", booke_wdt_period);
+ printk(KERN_INFO
+ "PowerPC Book-E Watchdog Timer Enabled (wdt_period=%d)\n",
+ booke_wdt_period);
}
spin_unlock(&booke_wdt_lock);
@@ -144,7 +145,7 @@ static const struct file_operations booke_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = booke_wdt_write,
- .ioctl = booke_wdt_ioctl,
+ .unlocked_ioctl = booke_wdt_ioctl,
.open = booke_wdt_open,
};
@@ -175,8 +176,9 @@ static int __init booke_wdt_init(void)
spin_lock(&booke_wdt_lock);
if (booke_wdt_enabled == 1) {
- printk(KERN_INFO "PowerPC Book-E Watchdog Timer Enabled "
- "(wdt_period=%d)\n", booke_wdt_period);
+ printk(KERN_INFO
+ "PowerPC Book-E Watchdog Timer Enabled (wdt_period=%d)\n",
+ booke_wdt_period);
on_each_cpu(__booke_wdt_enable, NULL, 0);
}
spin_unlock(&booke_wdt_lock);
diff --git a/drivers/watchdog/cpu5wdt.c b/drivers/watchdog/cpu5wdt.c
index df72f90123d..71f6d7eec9a 100644
--- a/drivers/watchdog/cpu5wdt.c
+++ b/drivers/watchdog/cpu5wdt.c
@@ -30,16 +30,16 @@
#include <linux/timer.h>
#include <linux/completion.h>
#include <linux/jiffies.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
+#include <linux/io.h>
+#include <linux/uaccess.h>
#include <linux/watchdog.h>
/* adjustable parameters */
-static int verbose = 0;
+static int verbose;
static int port = 0x91;
static int ticks = 10000;
+static spinlock_t cpu5wdt_lock;
#define PFX "cpu5wdt: "
@@ -70,12 +70,13 @@ static struct {
static void cpu5wdt_trigger(unsigned long unused)
{
- if ( verbose > 2 )
+ if (verbose > 2)
printk(KERN_DEBUG PFX "trigger at %i ticks\n", ticks);
- if( cpu5wdt_device.running )
+ if (cpu5wdt_device.running)
ticks--;
+ spin_lock(&cpu5wdt_lock);
/* keep watchdog alive */
outb(1, port + CPU5WDT_TRIGGER_REG);
@@ -86,6 +87,7 @@ static void cpu5wdt_trigger(unsigned long unused)
/* ticks doesn't matter anyway */
complete(&cpu5wdt_device.stop);
}
+ spin_unlock(&cpu5wdt_lock);
}
@@ -93,14 +95,17 @@ static void cpu5wdt_reset(void)
{
ticks = cpu5wdt_device.default_ticks;
- if ( verbose )
+ if (verbose)
printk(KERN_DEBUG PFX "reset (%i ticks)\n", (int) ticks);
}
static void cpu5wdt_start(void)
{
- if ( !cpu5wdt_device.queue ) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&cpu5wdt_lock, flags);
+ if (!cpu5wdt_device.queue) {
cpu5wdt_device.queue = 1;
outb(0, port + CPU5WDT_TIME_A_REG);
outb(0, port + CPU5WDT_TIME_B_REG);
@@ -111,18 +116,20 @@ static void cpu5wdt_start(void)
}
/* if process dies, counter is not decremented */
cpu5wdt_device.running++;
+ spin_unlock_irqrestore(&cpu5wdt_lock, flags);
}
static int cpu5wdt_stop(void)
{
- if ( cpu5wdt_device.running )
- cpu5wdt_device.running = 0;
+ unsigned long flags;
+ spin_lock_irqsave(&cpu5wdt_lock, flags);
+ if (cpu5wdt_device.running)
+ cpu5wdt_device.running = 0;
ticks = cpu5wdt_device.default_ticks;
-
- if ( verbose )
+ spin_unlock_irqrestore(&cpu5wdt_lock, flags);
+ if (verbose)
printk(KERN_CRIT PFX "stop not possible\n");
-
return -EIO;
}
@@ -130,9 +137,8 @@ static int cpu5wdt_stop(void)
static int cpu5wdt_open(struct inode *inode, struct file *file)
{
- if ( test_and_set_bit(0, &cpu5wdt_device.inuse) )
+ if (test_and_set_bit(0, &cpu5wdt_device.inuse))
return -EBUSY;
-
return nonseekable_open(inode, file);
}
@@ -142,67 +148,58 @@ static int cpu5wdt_release(struct inode *inode, struct file *file)
return 0;
}
-static int cpu5wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long cpu5wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = (void __user *)arg;
+ int __user *p = argp;
unsigned int value;
- static struct watchdog_info ident =
- {
+ static struct watchdog_info ident = {
.options = WDIOF_CARDRESET,
.identity = "CPU5 WDT",
};
- switch(cmd) {
- case WDIOC_KEEPALIVE:
- cpu5wdt_reset();
- break;
- case WDIOC_GETSTATUS:
- value = inb(port + CPU5WDT_STATUS_REG);
- value = (value >> 2) & 1;
- if ( copy_to_user(argp, &value, sizeof(int)) )
- return -EFAULT;
- break;
- case WDIOC_GETBOOTSTATUS:
- if ( copy_to_user(argp, &value, sizeof(int)) )
- return -EFAULT;
- break;
- case WDIOC_GETSUPPORT:
- if ( copy_to_user(argp, &ident, sizeof(ident)) )
- return -EFAULT;
- break;
- case WDIOC_SETOPTIONS:
- if ( copy_from_user(&value, argp, sizeof(int)) )
- return -EFAULT;
- switch(value) {
- case WDIOS_ENABLECARD:
- cpu5wdt_start();
- break;
- case WDIOS_DISABLECARD:
- return cpu5wdt_stop();
- default:
- return -EINVAL;
- }
- break;
- default:
- return -ENOTTY;
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ if (copy_to_user(argp, &ident, sizeof(ident)))
+ return -EFAULT;
+ break;
+ case WDIOC_GETSTATUS:
+ value = inb(port + CPU5WDT_STATUS_REG);
+ value = (value >> 2) & 1;
+ return put_user(value, p);
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_SETOPTIONS:
+ if (get_user(value, p))
+ return -EFAULT;
+ if (value & WDIOS_ENABLECARD)
+ cpu5wdt_start();
+ if (value & WDIOS_DISABLECARD)
+ cpu5wdt_stop();
+ break;
+ case WDIOC_KEEPALIVE:
+ cpu5wdt_reset();
+ break;
+ default:
+ return -ENOTTY;
}
return 0;
}
-static ssize_t cpu5wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
+static ssize_t cpu5wdt_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
- if ( !count )
+ if (!count)
return -EIO;
-
cpu5wdt_reset();
-
return count;
}
static const struct file_operations cpu5wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
- .ioctl = cpu5wdt_ioctl,
+ .unlocked_ioctl = cpu5wdt_ioctl,
.open = cpu5wdt_open,
.write = cpu5wdt_write,
.release = cpu5wdt_release,
@@ -221,37 +218,36 @@ static int __devinit cpu5wdt_init(void)
unsigned int val;
int err;
- if ( verbose )
- printk(KERN_DEBUG PFX "port=0x%x, verbose=%i\n", port, verbose);
+ if (verbose)
+ printk(KERN_DEBUG PFX
+ "port=0x%x, verbose=%i\n", port, verbose);
- if ( !request_region(port, CPU5WDT_EXTENT, PFX) ) {
+ init_completion(&cpu5wdt_device.stop);
+ spin_lock_init(&cpu5wdt_lock);
+ cpu5wdt_device.queue = 0;
+ setup_timer(&cpu5wdt_device.timer, cpu5wdt_trigger, 0);
+ cpu5wdt_device.default_ticks = ticks;
+
+ if (!request_region(port, CPU5WDT_EXTENT, PFX)) {
printk(KERN_ERR PFX "request_region failed\n");
err = -EBUSY;
goto no_port;
}
- if ( (err = misc_register(&cpu5wdt_misc)) < 0 ) {
- printk(KERN_ERR PFX "misc_register failed\n");
- goto no_misc;
- }
-
/* watchdog reboot? */
val = inb(port + CPU5WDT_STATUS_REG);
val = (val >> 2) & 1;
- if ( !val )
+ if (!val)
printk(KERN_INFO PFX "sorry, was my fault\n");
- init_completion(&cpu5wdt_device.stop);
- cpu5wdt_device.queue = 0;
-
- clear_bit(0, &cpu5wdt_device.inuse);
-
- setup_timer(&cpu5wdt_device.timer, cpu5wdt_trigger, 0);
+ err = misc_register(&cpu5wdt_misc);
+ if (err < 0) {
+ printk(KERN_ERR PFX "misc_register failed\n");
+ goto no_misc;
+ }
- cpu5wdt_device.default_ticks = ticks;
printk(KERN_INFO PFX "init success\n");
-
return 0;
no_misc:
@@ -267,7 +263,7 @@ static int __devinit cpu5wdt_init_module(void)
static void __devexit cpu5wdt_exit(void)
{
- if ( cpu5wdt_device.queue ) {
+ if (cpu5wdt_device.queue) {
cpu5wdt_device.queue = 0;
wait_for_completion(&cpu5wdt_device.stop);
}
diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 1782c79eff0..802aeba347a 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -22,10 +22,10 @@
#include <linux/bitops.h>
#include <linux/platform_device.h>
#include <linux/spinlock.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#include <asm/hardware.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
#define MODULE_NAME "DAVINCI-WDT: "
@@ -143,9 +143,8 @@ static struct watchdog_info ident = {
.identity = "DaVinci Watchdog",
};
-static int
-davinci_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long davinci_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int ret = -ENOTTY;
@@ -160,14 +159,14 @@ davinci_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
ret = put_user(0, (int *)arg);
break;
- case WDIOC_GETTIMEOUT:
- ret = put_user(heartbeat, (int *)arg);
- break;
-
case WDIOC_KEEPALIVE:
wdt_service();
ret = 0;
break;
+
+ case WDIOC_GETTIMEOUT:
+ ret = put_user(heartbeat, (int *)arg);
+ break;
}
return ret;
}
@@ -184,7 +183,7 @@ static const struct file_operations davinci_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = davinci_wdt_write,
- .ioctl = davinci_wdt_ioctl,
+ .unlocked_ioctl = davinci_wdt_ioctl,
.open = davinci_wdt_open,
.release = davinci_wdt_release,
};
diff --git a/drivers/watchdog/ep93xx_wdt.c b/drivers/watchdog/ep93xx_wdt.c
index 0e4787a0bb8..07b74a76892 100644
--- a/drivers/watchdog/ep93xx_wdt.c
+++ b/drivers/watchdog/ep93xx_wdt.c
@@ -28,9 +28,9 @@
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/timer.h>
+#include <linux/uaccess.h>
#include <asm/hardware.h>
-#include <asm/uaccess.h>
#define WDT_VERSION "0.3"
#define PFX "ep93xx_wdt: "
@@ -136,9 +136,8 @@ static struct watchdog_info ident = {
.identity = "EP93xx Watchdog",
};
-static int
-ep93xx_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long ep93xx_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int ret = -ENOTTY;
@@ -156,15 +155,15 @@ ep93xx_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
ret = put_user(boot_status, (int __user *)arg);
break;
- case WDIOC_GETTIMEOUT:
- /* actually, it is 0.250 seconds.... */
- ret = put_user(1, (int __user *)arg);
- break;
-
case WDIOC_KEEPALIVE:
wdt_keepalive();
ret = 0;
break;
+
+ case WDIOC_GETTIMEOUT:
+ /* actually, it is 0.250 seconds.... */
+ ret = put_user(1, (int __user *)arg);
+ break;
}
return ret;
}
@@ -174,8 +173,8 @@ static int ep93xx_wdt_release(struct inode *inode, struct file *file)
if (test_bit(WDT_OK_TO_CLOSE, &wdt_status))
wdt_shutdown();
else
- printk(KERN_CRIT PFX "Device closed unexpectedly - "
- "timer will not stop\n");
+ printk(KERN_CRIT PFX
+ "Device closed unexpectedly - timer will not stop\n");
clear_bit(WDT_IN_USE, &wdt_status);
clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
@@ -186,7 +185,7 @@ static int ep93xx_wdt_release(struct inode *inode, struct file *file)
static const struct file_operations ep93xx_wdt_fops = {
.owner = THIS_MODULE,
.write = ep93xx_wdt_write,
- .ioctl = ep93xx_wdt_ioctl,
+ .unlocked_ioctl = ep93xx_wdt_ioctl,
.open = ep93xx_wdt_open,
.release = ep93xx_wdt_release,
};
@@ -243,7 +242,9 @@ module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1<=timeout<=3600, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. (1<=timeout<=3600, default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
MODULE_AUTHOR("Ray Lehtiniemi <rayl@mail.com>,"
"Alessandro Zummo <a.zummo@towertech.it>");
diff --git a/drivers/watchdog/eurotechwdt.c b/drivers/watchdog/eurotechwdt.c
index b14e9d1f164..bbd14e34319 100644
--- a/drivers/watchdog/eurotechwdt.c
+++ b/drivers/watchdog/eurotechwdt.c
@@ -56,14 +56,15 @@
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
static unsigned long eurwdt_is_open;
static int eurwdt_timeout;
static char eur_expect_close;
+static spinlock_t eurwdt_lock;
/*
* You must set these - there is no sane way to probe for this board.
@@ -78,7 +79,9 @@ static char *ev = "int";
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Some symbolic names
@@ -137,7 +140,8 @@ static void eurwdt_activate_timer(void)
{
eurwdt_disable_timer();
eurwdt_write_reg(WDT_CTRL_REG, 0x01); /* activate the WDT */
- eurwdt_write_reg(WDT_OUTPIN_CFG, !strcmp("int", ev) ? WDT_EVENT_INT : WDT_EVENT_REBOOT);
+ eurwdt_write_reg(WDT_OUTPIN_CFG,
+ !strcmp("int", ev) ? WDT_EVENT_INT : WDT_EVENT_REBOOT);
/* Setting interrupt line */
if (irq == 2 || irq > 15 || irq < 0) {
@@ -206,21 +210,21 @@ size_t count, loff_t *ppos)
for (i = 0; i != count; i++) {
char c;
- if(get_user(c, buf+i))
+ if (get_user(c, buf + i))
return -EFAULT;
if (c == 'V')
eur_expect_close = 42;
}
}
+ spin_lock(&eurwdt_lock);
eurwdt_ping(); /* the default timeout */
+ spin_unlock(&eurwdt_lock);
}
-
return count;
}
/**
* eurwdt_ioctl:
- * @inode: inode of the device
* @file: file handle to the device
* @cmd: watchdog command
* @arg: argument pointer
@@ -229,13 +233,14 @@ size_t count, loff_t *ppos)
* according to their available features.
*/
-static int eurwdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long eurwdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
static struct watchdog_info ident = {
- .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+ .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT
+ | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "WDT Eurotech CPU-1220/1410",
};
@@ -243,10 +248,7 @@ static int eurwdt_ioctl(struct inode *inode, struct file *file,
int time;
int options, retval = -EINVAL;
- switch(cmd) {
- default:
- return -ENOTTY;
-
+ switch (cmd) {
case WDIOC_GETSUPPORT:
return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
@@ -254,8 +256,26 @@ static int eurwdt_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
+ case WDIOC_SETOPTIONS:
+ if (get_user(options, p))
+ return -EFAULT;
+ spin_lock(&eurwdt_lock);
+ if (options & WDIOS_DISABLECARD) {
+ eurwdt_disable_timer();
+ retval = 0;
+ }
+ if (options & WDIOS_ENABLECARD) {
+ eurwdt_activate_timer();
+ eurwdt_ping();
+ retval = 0;
+ }
+ spin_unlock(&eurwdt_lock);
+ return retval;
+
case WDIOC_KEEPALIVE:
+ spin_lock(&eurwdt_lock);
eurwdt_ping();
+ spin_unlock(&eurwdt_lock);
return 0;
case WDIOC_SETTIMEOUT:
@@ -266,26 +286,17 @@ static int eurwdt_ioctl(struct inode *inode, struct file *file,
if (time < 0 || time > 255)
return -EINVAL;
+ spin_lock(&eurwdt_lock);
eurwdt_timeout = time;
eurwdt_set_timeout(time);
+ spin_unlock(&eurwdt_lock);
/* Fall */
case WDIOC_GETTIMEOUT:
return put_user(eurwdt_timeout, p);
- case WDIOC_SETOPTIONS:
- if (get_user(options, p))
- return -EFAULT;
- if (options & WDIOS_DISABLECARD) {
- eurwdt_disable_timer();
- retval = 0;
- }
- if (options & WDIOS_ENABLECARD) {
- eurwdt_activate_timer();
- eurwdt_ping();
- retval = 0;
- }
- return retval;
+ default:
+ return -ENOTTY;
}
}
@@ -322,10 +333,11 @@ static int eurwdt_open(struct inode *inode, struct file *file)
static int eurwdt_release(struct inode *inode, struct file *file)
{
- if (eur_expect_close == 42) {
+ if (eur_expect_close == 42)
eurwdt_disable_timer();
- } else {
- printk(KERN_CRIT "eurwdt: Unexpected close, not stopping watchdog!\n");
+ else {
+ printk(KERN_CRIT
+ "eurwdt: Unexpected close, not stopping watchdog!\n");
eurwdt_ping();
}
clear_bit(0, &eurwdt_is_open);
@@ -348,10 +360,8 @@ static int eurwdt_release(struct inode *inode, struct file *file)
static int eurwdt_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if (code == SYS_DOWN || code == SYS_HALT) {
- /* Turn the card off */
- eurwdt_disable_timer();
- }
+ if (code == SYS_DOWN || code == SYS_HALT)
+ eurwdt_disable_timer(); /* Turn the card off */
return NOTIFY_DONE;
}
@@ -362,11 +372,11 @@ static int eurwdt_notify_sys(struct notifier_block *this, unsigned long code,
static const struct file_operations eurwdt_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = eurwdt_write,
- .ioctl = eurwdt_ioctl,
- .open = eurwdt_open,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = eurwdt_write,
+ .unlocked_ioctl = eurwdt_ioctl,
+ .open = eurwdt_open,
.release = eurwdt_release,
};
@@ -419,7 +429,7 @@ static int __init eurwdt_init(void)
int ret;
ret = request_irq(irq, eurwdt_interrupt, IRQF_DISABLED, "eurwdt", NULL);
- if(ret) {
+ if (ret) {
printk(KERN_ERR "eurwdt: IRQ %d is not free.\n", irq);
goto out;
}
@@ -432,10 +442,13 @@ static int __init eurwdt_init(void)
ret = register_reboot_notifier(&eurwdt_notifier);
if (ret) {
- printk(KERN_ERR "eurwdt: can't register reboot notifier (err=%d)\n", ret);
+ printk(KERN_ERR
+ "eurwdt: can't register reboot notifier (err=%d)\n", ret);
goto outreg;
}
+ spin_lock_init(&eurwdt_lock);
+
ret = misc_register(&eurwdt_miscdev);
if (ret) {
printk(KERN_ERR "eurwdt: can't misc_register on minor=%d\n",
diff --git a/drivers/watchdog/geodewdt.c b/drivers/watchdog/geodewdt.c
index 30d09cbbad9..614a5c7017b 100644
--- a/drivers/watchdog/geodewdt.c
+++ b/drivers/watchdog/geodewdt.c
@@ -17,8 +17,8 @@
#include <linux/fs.h>
#include <linux/platform_device.h>
#include <linux/reboot.h>
+#include <linux/uaccess.h>
-#include <asm/uaccess.h>
#include <asm/geode.h>
#define GEODEWDT_HZ 500
@@ -77,27 +77,24 @@ static int geodewdt_set_heartbeat(int val)
return 0;
}
-static int
-geodewdt_open(struct inode *inode, struct file *file)
+static int geodewdt_open(struct inode *inode, struct file *file)
{
- if (test_and_set_bit(WDT_FLAGS_OPEN, &wdt_flags))
- return -EBUSY;
+ if (test_and_set_bit(WDT_FLAGS_OPEN, &wdt_flags))
+ return -EBUSY;
- if (!test_and_clear_bit(WDT_FLAGS_ORPHAN, &wdt_flags))
- __module_get(THIS_MODULE);
+ if (!test_and_clear_bit(WDT_FLAGS_ORPHAN, &wdt_flags))
+ __module_get(THIS_MODULE);
geodewdt_ping();
- return nonseekable_open(inode, file);
+ return nonseekable_open(inode, file);
}
-static int
-geodewdt_release(struct inode *inode, struct file *file)
+static int geodewdt_release(struct inode *inode, struct file *file)
{
if (safe_close) {
geodewdt_disable();
module_put(THIS_MODULE);
- }
- else {
+ } else {
printk(KERN_CRIT "Unexpected close - watchdog is not stopping.\n");
geodewdt_ping();
@@ -109,11 +106,10 @@ geodewdt_release(struct inode *inode, struct file *file)
return 0;
}
-static ssize_t
-geodewdt_write(struct file *file, const char __user *data, size_t len,
- loff_t *ppos)
+static ssize_t geodewdt_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
{
- if(len) {
+ if (len) {
if (!nowayout) {
size_t i;
safe_close = 0;
@@ -134,9 +130,8 @@ geodewdt_write(struct file *file, const char __user *data, size_t len,
return len;
}
-static int
-geodewdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static int geodewdt_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
@@ -147,9 +142,9 @@ geodewdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
| WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = WATCHDOG_NAME,
- };
+ };
- switch(cmd) {
+ switch (cmd) {
case WDIOC_GETSUPPORT:
return copy_to_user(argp, &ident,
sizeof(ident)) ? -EFAULT : 0;
@@ -159,22 +154,6 @@ geodewdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
- case WDIOC_KEEPALIVE:
- geodewdt_ping();
- return 0;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(interval, p))
- return -EFAULT;
-
- if (geodewdt_set_heartbeat(interval))
- return -EINVAL;
-
-/* Fall through */
-
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
-
case WDIOC_SETOPTIONS:
{
int options, ret = -EINVAL;
@@ -194,6 +173,20 @@ geodewdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
return ret;
}
+ case WDIOC_KEEPALIVE:
+ geodewdt_ping();
+ return 0;
+
+ case WDIOC_SETTIMEOUT:
+ if (get_user(interval, p))
+ return -EFAULT;
+
+ if (geodewdt_set_heartbeat(interval))
+ return -EINVAL;
+ /* Fall through */
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
+
default:
return -ENOTTY;
}
@@ -202,22 +195,21 @@ geodewdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
}
static const struct file_operations geodewdt_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = geodewdt_write,
- .ioctl = geodewdt_ioctl,
- .open = geodewdt_open,
- .release = geodewdt_release,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = geodewdt_write,
+ .ioctl = geodewdt_ioctl,
+ .open = geodewdt_open,
+ .release = geodewdt_release,
};
static struct miscdevice geodewdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
- .fops = &geodewdt_fops
+ .fops = &geodewdt_fops,
};
-static int __devinit
-geodewdt_probe(struct platform_device *dev)
+static int __devinit geodewdt_probe(struct platform_device *dev)
{
int ret, timer;
@@ -248,15 +240,13 @@ geodewdt_probe(struct platform_device *dev)
return ret;
}
-static int __devexit
-geodewdt_remove(struct platform_device *dev)
+static int __devexit geodewdt_remove(struct platform_device *dev)
{
misc_deregister(&geodewdt_miscdev);
return 0;
}
-static void
-geodewdt_shutdown(struct platform_device *dev)
+static void geodewdt_shutdown(struct platform_device *dev)
{
geodewdt_disable();
}
@@ -271,8 +261,7 @@ static struct platform_driver geodewdt_driver = {
},
};
-static int __init
-geodewdt_init(void)
+static int __init geodewdt_init(void)
{
int ret;
@@ -292,8 +281,7 @@ err:
return ret;
}
-static void __exit
-geodewdt_exit(void)
+static void __exit geodewdt_exit(void)
{
platform_device_unregister(geodewdt_platform_device);
platform_driver_unregister(&geodewdt_driver);
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index ccd6c530782..d039d5f2fd1 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -39,9 +39,7 @@
#include <linux/string.h>
#include <linux/bootmem.h>
#include <linux/slab.h>
-#include <asm/dmi.h>
#include <asm/desc.h>
-#include <asm/kdebug.h>
#define PCI_BIOS32_SD_VALUE 0x5F32335F /* "_32_" */
#define CRU_BIOS_SIGNATURE_VALUE 0x55524324
@@ -407,7 +405,7 @@ static int __devinit detect_cru_service(void)
dmi_walk(dmi_find_cru);
/* if cru_rom_addr has been set then we found a CRU service */
- return ((cru_rom_addr != NULL)? 0: -ENODEV);
+ return ((cru_rom_addr != NULL) ? 0: -ENODEV);
}
/* ------------------------------------------------------------------------- */
@@ -535,7 +533,7 @@ static ssize_t hpwdt_write(struct file *file, const char __user *data,
/* scan to see whether or not we got the magic char. */
for (i = 0; i != len; i++) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_release = 42;
diff --git a/drivers/watchdog/i6300esb.c b/drivers/watchdog/i6300esb.c
index ca44fd9b19b..c13383f7fcb 100644
--- a/drivers/watchdog/i6300esb.c
+++ b/drivers/watchdog/i6300esb.c
@@ -9,18 +9,18 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * based on i810-tco.c which is in turn based on softdog.c
+ * based on i810-tco.c which is in turn based on softdog.c
*
- * The timer is implemented in the following I/O controller hubs:
- * (See the intel documentation on http://developer.intel.com.)
- * 6300ESB chip : document number 300641-003
+ * The timer is implemented in the following I/O controller hubs:
+ * (See the intel documentation on http://developer.intel.com.)
+ * 6300ESB chip : document number 300641-003
*
* 2004YYZZ Ross Biro
* Initial version 0.01
* 2004YYZZ Ross Biro
- * Version 0.02
+ * Version 0.02
* 20050210 David Härdeman <david@2gen.com>
- * Ported driver to kernel 2.6
+ * Ported driver to kernel 2.6
*/
/*
@@ -38,9 +38,8 @@
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/ioport.h>
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
/* Module and version information */
#define ESB_VERSION "0.03"
@@ -59,17 +58,17 @@
#define ESB_RELOAD_REG BASEADDR + 0x0c /* Reload register */
/* Lock register bits */
-#define ESB_WDT_FUNC ( 0x01 << 2 ) /* Watchdog functionality */
-#define ESB_WDT_ENABLE ( 0x01 << 1 ) /* Enable WDT */
-#define ESB_WDT_LOCK ( 0x01 << 0 ) /* Lock (nowayout) */
+#define ESB_WDT_FUNC (0x01 << 2) /* Watchdog functionality */
+#define ESB_WDT_ENABLE (0x01 << 1) /* Enable WDT */
+#define ESB_WDT_LOCK (0x01 << 0) /* Lock (nowayout) */
/* Config register bits */
-#define ESB_WDT_REBOOT ( 0x01 << 5 ) /* Enable reboot on timeout */
-#define ESB_WDT_FREQ ( 0x01 << 2 ) /* Decrement frequency */
-#define ESB_WDT_INTTYPE ( 0x11 << 0 ) /* Interrupt type on timer1 timeout */
+#define ESB_WDT_REBOOT (0x01 << 5) /* Enable reboot on timeout */
+#define ESB_WDT_FREQ (0x01 << 2) /* Decrement frequency */
+#define ESB_WDT_INTTYPE (0x11 << 0) /* Interrupt type on timer1 timeout */
/* Reload register bits */
-#define ESB_WDT_RELOAD ( 0x01 << 8 ) /* prevent timeout */
+#define ESB_WDT_RELOAD (0x01 << 8) /* prevent timeout */
/* Magic constants */
#define ESB_UNLOCK1 0x80 /* Step 1 to unlock reset registers */
@@ -84,14 +83,20 @@ static unsigned short triggered; /* The status of the watchdog upon boot */
static char esb_expect_close;
/* module parameters */
-#define WATCHDOG_HEARTBEAT 30 /* 30 sec default heartbeat (1<heartbeat<2*1023) */
+/* 30 sec default heartbeat (1 < heartbeat < 2*1023) */
+#define WATCHDOG_HEARTBEAT 30
static int heartbeat = WATCHDOG_HEARTBEAT; /* in seconds */
+
module_param(heartbeat, int, 0);
-MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (1<heartbeat<2046, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
+MODULE_PARM_DESC(heartbeat,
+ "Watchdog heartbeat in seconds. (1<heartbeat<2046, default="
+ __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Some i6300ESB specific functions
@@ -103,9 +108,10 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" _
* reload register. After this the appropriate registers can be written
* to once before they need to be unlocked again.
*/
-static inline void esb_unlock_registers(void) {
- writeb(ESB_UNLOCK1, ESB_RELOAD_REG);
- writeb(ESB_UNLOCK2, ESB_RELOAD_REG);
+static inline void esb_unlock_registers(void)
+{
+ writeb(ESB_UNLOCK1, ESB_RELOAD_REG);
+ writeb(ESB_UNLOCK2, ESB_RELOAD_REG);
}
static void esb_timer_start(void)
@@ -114,8 +120,7 @@ static void esb_timer_start(void)
/* Enable or Enable + Lock? */
val = 0x02 | (nowayout ? 0x01 : 0x00);
-
- pci_write_config_byte(esb_pci, ESB_LOCK_REG, val);
+ pci_write_config_byte(esb_pci, ESB_LOCK_REG, val);
}
static int esb_timer_stop(void)
@@ -140,7 +145,7 @@ static void esb_timer_keepalive(void)
spin_lock(&esb_lock);
esb_unlock_registers();
writew(ESB_WDT_RELOAD, ESB_RELOAD_REG);
- /* FIXME: Do we need to flush anything here? */
+ /* FIXME: Do we need to flush anything here? */
spin_unlock(&esb_lock);
}
@@ -165,9 +170,9 @@ static int esb_timer_set_heartbeat(int time)
/* Write timer 2 */
esb_unlock_registers();
- writel(val, ESB_TIMER2_REG);
+ writel(val, ESB_TIMER2_REG);
- /* Reload */
+ /* Reload */
esb_unlock_registers();
writew(ESB_WDT_RELOAD, ESB_RELOAD_REG);
@@ -179,54 +184,55 @@ static int esb_timer_set_heartbeat(int time)
return 0;
}
-static int esb_timer_read (void)
+static int esb_timer_read(void)
{
- u32 count;
+ u32 count;
/* This isn't documented, and doesn't take into
- * acount which stage is running, but it looks
- * like a 20 bit count down, so we might as well report it.
- */
- pci_read_config_dword(esb_pci, 0x64, &count);
- return (int)count;
+ * acount which stage is running, but it looks
+ * like a 20 bit count down, so we might as well report it.
+ */
+ pci_read_config_dword(esb_pci, 0x64, &count);
+ return (int)count;
}
/*
- * /dev/watchdog handling
+ * /dev/watchdog handling
*/
-static int esb_open (struct inode *inode, struct file *file)
+static int esb_open(struct inode *inode, struct file *file)
{
- /* /dev/watchdog can only be opened once */
- if (test_and_set_bit(0, &timer_alive))
- return -EBUSY;
+ /* /dev/watchdog can only be opened once */
+ if (test_and_set_bit(0, &timer_alive))
+ return -EBUSY;
- /* Reload and activate timer */
- esb_timer_keepalive ();
- esb_timer_start ();
+ /* Reload and activate timer */
+ esb_timer_keepalive();
+ esb_timer_start();
return nonseekable_open(inode, file);
}
-static int esb_release (struct inode *inode, struct file *file)
+static int esb_release(struct inode *inode, struct file *file)
{
- /* Shut off the timer. */
- if (esb_expect_close == 42) {
- esb_timer_stop ();
- } else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
- esb_timer_keepalive ();
- }
- clear_bit(0, &timer_alive);
- esb_expect_close = 0;
- return 0;
+ /* Shut off the timer. */
+ if (esb_expect_close == 42)
+ esb_timer_stop();
+ else {
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
+ esb_timer_keepalive();
+ }
+ clear_bit(0, &timer_alive);
+ esb_expect_close = 0;
+ return 0;
}
-static ssize_t esb_write (struct file *file, const char __user *data,
- size_t len, loff_t * ppos)
+static ssize_t esb_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
- if (len) {
+ if (len) {
if (!nowayout) {
size_t i;
@@ -237,7 +243,7 @@ static ssize_t esb_write (struct file *file, const char __user *data,
/* scan to see whether or not we got the magic character */
for (i = 0; i != len; i++) {
char c;
- if(get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
esb_expect_close = 42;
@@ -245,92 +251,84 @@ static ssize_t esb_write (struct file *file, const char __user *data,
}
/* someone wrote to us, we should reload the timer */
- esb_timer_keepalive ();
+ esb_timer_keepalive();
}
return len;
}
-static int esb_ioctl (struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long esb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int new_options, retval = -EINVAL;
int new_heartbeat;
void __user *argp = (void __user *)arg;
int __user *p = argp;
static struct watchdog_info ident = {
- .options = WDIOF_SETTIMEOUT |
+ .options = WDIOF_SETTIMEOUT |
WDIOF_KEEPALIVEPING |
WDIOF_MAGICCLOSE,
- .firmware_version = 0,
- .identity = ESB_MODULE_NAME,
+ .firmware_version = 0,
+ .identity = ESB_MODULE_NAME,
};
switch (cmd) {
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident,
- sizeof (ident)) ? -EFAULT : 0;
-
- case WDIOC_GETSTATUS:
- return put_user (esb_timer_read(), p);
-
- case WDIOC_GETBOOTSTATUS:
- return put_user (triggered, p);
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident,
+ sizeof(ident)) ? -EFAULT : 0;
- case WDIOC_KEEPALIVE:
- esb_timer_keepalive ();
- return 0;
+ case WDIOC_GETSTATUS:
+ return put_user(esb_timer_read(), p);
- case WDIOC_SETOPTIONS:
- {
- if (get_user (new_options, p))
- return -EFAULT;
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(triggered, p);
- if (new_options & WDIOS_DISABLECARD) {
- esb_timer_stop ();
- retval = 0;
- }
+ case WDIOC_SETOPTIONS:
+ {
+ if (get_user(new_options, p))
+ return -EFAULT;
- if (new_options & WDIOS_ENABLECARD) {
- esb_timer_keepalive ();
- esb_timer_start ();
- retval = 0;
- }
-
- return retval;
- }
-
- case WDIOC_SETTIMEOUT:
- {
- if (get_user(new_heartbeat, p))
- return -EFAULT;
-
- if (esb_timer_set_heartbeat(new_heartbeat))
- return -EINVAL;
-
- esb_timer_keepalive ();
- /* Fall */
- }
-
- case WDIOC_GETTIMEOUT:
- return put_user(heartbeat, p);
+ if (new_options & WDIOS_DISABLECARD) {
+ esb_timer_stop();
+ retval = 0;
+ }
- default:
- return -ENOTTY;
- }
+ if (new_options & WDIOS_ENABLECARD) {
+ esb_timer_keepalive();
+ esb_timer_start();
+ retval = 0;
+ }
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ esb_timer_keepalive();
+ return 0;
+
+ case WDIOC_SETTIMEOUT:
+ {
+ if (get_user(new_heartbeat, p))
+ return -EFAULT;
+ if (esb_timer_set_heartbeat(new_heartbeat))
+ return -EINVAL;
+ esb_timer_keepalive();
+ /* Fall */
+ }
+ case WDIOC_GETTIMEOUT:
+ return put_user(heartbeat, p);
+ default:
+ return -ENOTTY;
+ }
}
/*
* Notify system
*/
-static int esb_notify_sys (struct notifier_block *this, unsigned long code, void *unused)
+static int esb_notify_sys(struct notifier_block *this,
+ unsigned long code, void *unused)
{
- if (code==SYS_DOWN || code==SYS_HALT) {
- /* Turn the WDT off */
- esb_timer_stop ();
- }
+ if (code == SYS_DOWN || code == SYS_HALT)
+ esb_timer_stop(); /* Turn the WDT off */
- return NOTIFY_DONE;
+ return NOTIFY_DONE;
}
/*
@@ -338,22 +336,22 @@ static int esb_notify_sys (struct notifier_block *this, unsigned long code, void
*/
static const struct file_operations esb_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = esb_write,
- .ioctl = esb_ioctl,
- .open = esb_open,
- .release = esb_release,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = esb_write,
+ .unlocked_ioctl = esb_ioctl,
+ .open = esb_open,
+ .release = esb_release,
};
static struct miscdevice esb_miscdev = {
- .minor = WATCHDOG_MINOR,
- .name = "watchdog",
- .fops = &esb_fops,
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &esb_fops,
};
static struct notifier_block esb_notifier = {
- .notifier_call = esb_notify_sys,
+ .notifier_call = esb_notify_sys,
};
/*
@@ -365,50 +363,44 @@ static struct notifier_block esb_notifier = {
* want to register another driver on the same PCI id.
*/
static struct pci_device_id esb_pci_tbl[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_9), },
- { 0, }, /* End of list */
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_9), },
+ { 0, }, /* End of list */
};
-MODULE_DEVICE_TABLE (pci, esb_pci_tbl);
+MODULE_DEVICE_TABLE(pci, esb_pci_tbl);
/*
* Init & exit routines
*/
-static unsigned char __init esb_getdevice (void)
+static unsigned char __init esb_getdevice(void)
{
u8 val1;
unsigned short val2;
+ /*
+ * Find the PCI device
+ */
- struct pci_dev *dev = NULL;
- /*
- * Find the PCI device
- */
-
- for_each_pci_dev(dev) {
- if (pci_match_id(esb_pci_tbl, dev)) {
- esb_pci = dev;
- break;
- }
- }
+ esb_pci = pci_get_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_ESB_9, NULL);
- if (esb_pci) {
- if (pci_enable_device(esb_pci)) {
- printk (KERN_ERR PFX "failed to enable device\n");
+ if (esb_pci) {
+ if (pci_enable_device(esb_pci)) {
+ printk(KERN_ERR PFX "failed to enable device\n");
goto err_devput;
}
if (pci_request_region(esb_pci, 0, ESB_MODULE_NAME)) {
- printk (KERN_ERR PFX "failed to request region\n");
+ printk(KERN_ERR PFX "failed to request region\n");
goto err_disable;
}
BASEADDR = ioremap(pci_resource_start(esb_pci, 0),
pci_resource_len(esb_pci, 0));
if (BASEADDR == NULL) {
- /* Something's wrong here, BASEADDR has to be set */
- printk (KERN_ERR PFX "failed to get BASEADDR\n");
- goto err_release;
- }
+ /* Something's wrong here, BASEADDR has to be set */
+ printk(KERN_ERR PFX "failed to get BASEADDR\n");
+ goto err_release;
+ }
/*
* The watchdog has two timers, it can be setup so that the
@@ -425,7 +417,7 @@ static unsigned char __init esb_getdevice (void)
/* Check that the WDT isn't already locked */
pci_read_config_byte(esb_pci, ESB_LOCK_REG, &val1);
if (val1 & ESB_WDT_LOCK)
- printk (KERN_WARNING PFX "nowayout already set\n");
+ printk(KERN_WARNING PFX "nowayout already set\n");
/* Set the timer to watchdog mode and disable it for now */
pci_write_config_byte(esb_pci, ESB_LOCK_REG, 0x00);
@@ -452,44 +444,44 @@ err_devput:
return 0;
}
-static int __init watchdog_init (void)
+static int __init watchdog_init(void)
{
- int ret;
-
- /* Check whether or not the hardware watchdog is there */
- if (!esb_getdevice () || esb_pci == NULL)
- return -ENODEV;
-
- /* Check that the heartbeat value is within it's range ; if not reset to the default */
- if (esb_timer_set_heartbeat (heartbeat)) {
- esb_timer_set_heartbeat (WATCHDOG_HEARTBEAT);
- printk(KERN_INFO PFX "heartbeat value must be 1<heartbeat<2046, using %d\n",
- heartbeat);
- }
-
- ret = register_reboot_notifier(&esb_notifier);
- if (ret != 0) {
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- ret);
- goto err_unmap;
- }
-
- ret = misc_register(&esb_miscdev);
- if (ret != 0) {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
- goto err_notifier;
- }
-
- esb_timer_stop ();
-
- printk (KERN_INFO PFX "initialized (0x%p). heartbeat=%d sec (nowayout=%d)\n",
- BASEADDR, heartbeat, nowayout);
+ int ret;
+
+ /* Check whether or not the hardware watchdog is there */
+ if (!esb_getdevice() || esb_pci == NULL)
+ return -ENODEV;
+
+ /* Check that the heartbeat value is within it's range;
+ if not reset to the default */
+ if (esb_timer_set_heartbeat(heartbeat)) {
+ esb_timer_set_heartbeat(WATCHDOG_HEARTBEAT);
+ printk(KERN_INFO PFX
+ "heartbeat value must be 1<heartbeat<2046, using %d\n",
+ heartbeat);
+ }
+ ret = register_reboot_notifier(&esb_notifier);
+ if (ret != 0) {
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", ret);
+ goto err_unmap;
+ }
- return 0;
+ ret = misc_register(&esb_miscdev);
+ if (ret != 0) {
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
+ goto err_notifier;
+ }
+ esb_timer_stop();
+ printk(KERN_INFO PFX
+ "initialized (0x%p). heartbeat=%d sec (nowayout=%d)\n",
+ BASEADDR, heartbeat, nowayout);
+ return 0;
err_notifier:
- unregister_reboot_notifier(&esb_notifier);
+ unregister_reboot_notifier(&esb_notifier);
err_unmap:
iounmap(BASEADDR);
/* err_release: */
@@ -498,18 +490,18 @@ err_unmap:
pci_disable_device(esb_pci);
/* err_devput: */
pci_dev_put(esb_pci);
- return ret;
+ return ret;
}
-static void __exit watchdog_cleanup (void)
+static void __exit watchdog_cleanup(void)
{
/* Stop the timer before we leave */
if (!nowayout)
- esb_timer_stop ();
+ esb_timer_stop();
/* Deregister */
misc_deregister(&esb_miscdev);
- unregister_reboot_notifier(&esb_notifier);
+ unregister_reboot_notifier(&esb_notifier);
iounmap(BASEADDR);
pci_release_region(esb_pci, 0);
pci_disable_device(esb_pci);
diff --git a/drivers/watchdog/iTCO_vendor.h b/drivers/watchdog/iTCO_vendor.h
new file mode 100644
index 00000000000..9e27e6422f6
--- /dev/null
+++ b/drivers/watchdog/iTCO_vendor.h
@@ -0,0 +1,15 @@
+/* iTCO Vendor Specific Support hooks */
+#ifdef CONFIG_ITCO_VENDOR_SUPPORT
+extern void iTCO_vendor_pre_start(unsigned long, unsigned int);
+extern void iTCO_vendor_pre_stop(unsigned long);
+extern void iTCO_vendor_pre_keepalive(unsigned long, unsigned int);
+extern void iTCO_vendor_pre_set_heartbeat(unsigned int);
+extern int iTCO_vendor_check_noreboot_on(void);
+#else
+#define iTCO_vendor_pre_start(acpibase, heartbeat) {}
+#define iTCO_vendor_pre_stop(acpibase) {}
+#define iTCO_vendor_pre_keepalive(acpibase, heartbeat) {}
+#define iTCO_vendor_pre_set_heartbeat(heartbeat) {}
+#define iTCO_vendor_check_noreboot_on() 1
+ /* 1=check noreboot; 0=don't check */
+#endif
diff --git a/drivers/watchdog/iTCO_vendor_support.c b/drivers/watchdog/iTCO_vendor_support.c
index cafc465f2ae..ca344a85eb9 100644
--- a/drivers/watchdog/iTCO_vendor_support.c
+++ b/drivers/watchdog/iTCO_vendor_support.c
@@ -18,9 +18,9 @@
*/
/* Module and version information */
-#define DRV_NAME "iTCO_vendor_support"
-#define DRV_VERSION "1.01"
-#define DRV_RELDATE "11-Nov-2006"
+#define DRV_NAME "iTCO_vendor_support"
+#define DRV_VERSION "1.01"
+#define DRV_RELDATE "11-Nov-2006"
#define PFX DRV_NAME ": "
/* Includes */
@@ -31,19 +31,22 @@
#include <linux/kernel.h> /* For printk/panic/... */
#include <linux/init.h> /* For __init/__exit/... */
#include <linux/ioport.h> /* For io-port access */
+#include <linux/io.h> /* For inb/outb/... */
-#include <asm/io.h> /* For inb/outb/... */
+#include "iTCO_vendor.h"
/* iTCO defines */
#define SMI_EN acpibase + 0x30 /* SMI Control and Enable Register */
-#define TCOBASE acpibase + 0x60 /* TCO base address */
-#define TCO1_STS TCOBASE + 0x04 /* TCO1 Status Register */
+#define TCOBASE acpibase + 0x60 /* TCO base address */
+#define TCO1_STS TCOBASE + 0x04 /* TCO1 Status Register */
/* List of vendor support modes */
-#define SUPERMICRO_OLD_BOARD 1 /* SuperMicro Pentium 3 Era 370SSE+-OEM1/P3TSSE */
-#define SUPERMICRO_NEW_BOARD 2 /* SuperMicro Pentium 4 / Xeon 4 / EMT64T Era Systems */
+/* SuperMicro Pentium 3 Era 370SSE+-OEM1/P3TSSE */
+#define SUPERMICRO_OLD_BOARD 1
+/* SuperMicro Pentium 4 / Xeon 4 / EMT64T Era Systems */
+#define SUPERMICRO_NEW_BOARD 2
-static int vendorsupport = 0;
+static int vendorsupport;
module_param(vendorsupport, int, 0);
MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default=0 (none), 1=SuperMicro Pent3, 2=SuperMicro Pent4+");
@@ -143,34 +146,35 @@ static void supermicro_old_pre_keepalive(unsigned long acpibase)
*/
/* I/O Port's */
-#define SM_REGINDEX 0x2e /* SuperMicro ICH4+ Register Index */
-#define SM_DATAIO 0x2f /* SuperMicro ICH4+ Register Data I/O */
+#define SM_REGINDEX 0x2e /* SuperMicro ICH4+ Register Index */
+#define SM_DATAIO 0x2f /* SuperMicro ICH4+ Register Data I/O */
/* Control Register's */
-#define SM_CTLPAGESW 0x07 /* SuperMicro ICH4+ Control Page Switch */
-#define SM_CTLPAGE 0x08 /* SuperMicro ICH4+ Control Page Num */
+#define SM_CTLPAGESW 0x07 /* SuperMicro ICH4+ Control Page Switch */
+#define SM_CTLPAGE 0x08 /* SuperMicro ICH4+ Control Page Num */
-#define SM_WATCHENABLE 0x30 /* Watchdog enable: Bit 0: 0=off, 1=on */
+#define SM_WATCHENABLE 0x30 /* Watchdog enable: Bit 0: 0=off, 1=on */
-#define SM_WATCHPAGE 0x87 /* Watchdog unlock control page */
+#define SM_WATCHPAGE 0x87 /* Watchdog unlock control page */
-#define SM_ENDWATCH 0xAA /* Watchdog lock control page */
+#define SM_ENDWATCH 0xAA /* Watchdog lock control page */
-#define SM_COUNTMODE 0xf5 /* Watchdog count mode select */
- /* (Bit 3: 0 = seconds, 1 = minutes */
+#define SM_COUNTMODE 0xf5 /* Watchdog count mode select */
+ /* (Bit 3: 0 = seconds, 1 = minutes */
-#define SM_WATCHTIMER 0xf6 /* 8-bits, Watchdog timer counter (RW) */
+#define SM_WATCHTIMER 0xf6 /* 8-bits, Watchdog timer counter (RW) */
-#define SM_RESETCONTROL 0xf7 /* Watchdog reset control */
- /* Bit 6: timer is reset by kbd interrupt */
- /* Bit 7: timer is reset by mouse interrupt */
+#define SM_RESETCONTROL 0xf7 /* Watchdog reset control */
+ /* Bit 6: timer is reset by kbd interrupt */
+ /* Bit 7: timer is reset by mouse interrupt */
static void supermicro_new_unlock_watchdog(void)
{
- outb(SM_WATCHPAGE, SM_REGINDEX); /* Write 0x87 to port 0x2e twice */
+ /* Write 0x87 to port 0x2e twice */
outb(SM_WATCHPAGE, SM_REGINDEX);
-
- outb(SM_CTLPAGESW, SM_REGINDEX); /* Switch to watchdog control page */
+ outb(SM_WATCHPAGE, SM_REGINDEX);
+ /* Switch to watchdog control page */
+ outb(SM_CTLPAGESW, SM_REGINDEX);
outb(SM_CTLPAGE, SM_DATAIO);
}
@@ -192,7 +196,7 @@ static void supermicro_new_pre_start(unsigned int heartbeat)
outb(val, SM_DATAIO);
/* Write heartbeat interval to WDOG */
- outb (SM_WATCHTIMER, SM_REGINDEX);
+ outb(SM_WATCHTIMER, SM_REGINDEX);
outb((heartbeat & 255), SM_DATAIO);
/* Make sure keyboard/mouse interrupts don't interfere */
@@ -277,7 +281,7 @@ EXPORT_SYMBOL(iTCO_vendor_pre_set_heartbeat);
int iTCO_vendor_check_noreboot_on(void)
{
- switch(vendorsupport) {
+ switch (vendorsupport) {
case SUPERMICRO_OLD_BOARD:
return 0;
default:
@@ -288,13 +292,13 @@ EXPORT_SYMBOL(iTCO_vendor_check_noreboot_on);
static int __init iTCO_vendor_init_module(void)
{
- printk (KERN_INFO PFX "vendor-support=%d\n", vendorsupport);
+ printk(KERN_INFO PFX "vendor-support=%d\n", vendorsupport);
return 0;
}
static void __exit iTCO_vendor_exit_module(void)
{
- printk (KERN_INFO PFX "Module Unloaded\n");
+ printk(KERN_INFO PFX "Module Unloaded\n");
}
module_init(iTCO_vendor_init_module);
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 95ba985bd34..bfb93bc2ca9 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -55,9 +55,9 @@
*/
/* Module and version information */
-#define DRV_NAME "iTCO_wdt"
-#define DRV_VERSION "1.03"
-#define DRV_RELDATE "30-Apr-2008"
+#define DRV_NAME "iTCO_wdt"
+#define DRV_VERSION "1.03"
+#define DRV_RELDATE "30-Apr-2008"
#define PFX DRV_NAME ": "
/* Includes */
@@ -66,7 +66,8 @@
#include <linux/types.h> /* For standard types (like size_t) */
#include <linux/errno.h> /* For the -ENODEV/... values */
#include <linux/kernel.h> /* For printk/panic/... */
-#include <linux/miscdevice.h> /* For MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR) */
+#include <linux/miscdevice.h> /* For MODULE_ALIAS_MISCDEV
+ (WATCHDOG_MINOR) */
#include <linux/watchdog.h> /* For the watchdog specific items */
#include <linux/init.h> /* For __init/__exit/... */
#include <linux/fs.h> /* For file operations */
@@ -74,9 +75,10 @@
#include <linux/pci.h> /* For pci functions */
#include <linux/ioport.h> /* For io-port access */
#include <linux/spinlock.h> /* For spin_lock/spin_unlock/... */
+#include <linux/uaccess.h> /* For copy_to_user/put_user/... */
+#include <linux/io.h> /* For inb/outb/... */
-#include <asm/uaccess.h> /* For copy_to_user/put_user/... */
-#include <asm/io.h> /* For inb/outb/... */
+#include "iTCO_vendor.h"
/* TCO related info */
enum iTCO_chipsets {
@@ -105,7 +107,7 @@ enum iTCO_chipsets {
TCO_ICH9, /* ICH9 */
TCO_ICH9R, /* ICH9R */
TCO_ICH9DH, /* ICH9DH */
- TCO_ICH9DO, /* ICH9DO */
+ TCO_ICH9DO, /* ICH9DO */
TCO_631XESB, /* 631xESB/632xESB */
};
@@ -140,7 +142,7 @@ static struct {
{"ICH9DH", 2},
{"ICH9DO", 2},
{"631xESB/632xESB", 2},
- {NULL,0}
+ {NULL, 0}
};
#define ITCO_PCI_DEVICE(dev, data) \
@@ -159,32 +161,32 @@ static struct {
* functions that probably will be registered by other drivers.
*/
static struct pci_device_id iTCO_wdt_pci_tbl[] = {
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801AA_0, TCO_ICH )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801AB_0, TCO_ICH0 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801BA_0, TCO_ICH2 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801BA_10, TCO_ICH2M )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801CA_0, TCO_ICH3 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801CA_12, TCO_ICH3M )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801DB_0, TCO_ICH4 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801DB_12, TCO_ICH4M )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801E_0, TCO_CICH )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801EB_0, TCO_ICH5 )},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801AA_0, TCO_ICH)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801AB_0, TCO_ICH0)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801BA_0, TCO_ICH2)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801BA_10, TCO_ICH2M)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801CA_0, TCO_ICH3)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801CA_12, TCO_ICH3M)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801DB_0, TCO_ICH4)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801DB_12, TCO_ICH4M)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801E_0, TCO_CICH)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_82801EB_0, TCO_ICH5)},
{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ESB_1, TCO_6300ESB)},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_0, TCO_ICH6 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_1, TCO_ICH6M )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_2, TCO_ICH6W )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_0, TCO_ICH7 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_1, TCO_ICH7M )},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_0, TCO_ICH6)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_1, TCO_ICH6M)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH6_2, TCO_ICH6W)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_0, TCO_ICH7)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_1, TCO_ICH7M)},
{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH7_31, TCO_ICH7MDH)},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_0, TCO_ICH8 )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_1, TCO_ICH8ME )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_2, TCO_ICH8DH )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_3, TCO_ICH8DO )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_4, TCO_ICH8M )},
- { ITCO_PCI_DEVICE(0x2918, TCO_ICH9 )},
- { ITCO_PCI_DEVICE(0x2916, TCO_ICH9R )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_2, TCO_ICH9DH )},
- { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_4, TCO_ICH9DO )},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_0, TCO_ICH8)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_1, TCO_ICH8ME)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_2, TCO_ICH8DH)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_3, TCO_ICH8DO)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH8_4, TCO_ICH8M)},
+ { ITCO_PCI_DEVICE(0x2918, TCO_ICH9)},
+ { ITCO_PCI_DEVICE(0x2916, TCO_ICH9R)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_2, TCO_ICH9DH)},
+ { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_4, TCO_ICH9DO)},
{ ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ESB2_0, TCO_631XESB)},
{ ITCO_PCI_DEVICE(0x2671, TCO_631XESB)},
{ ITCO_PCI_DEVICE(0x2672, TCO_631XESB)},
@@ -203,13 +205,15 @@ static struct pci_device_id iTCO_wdt_pci_tbl[] = {
{ ITCO_PCI_DEVICE(0x267f, TCO_631XESB)},
{ 0, }, /* End of list */
};
-MODULE_DEVICE_TABLE (pci, iTCO_wdt_pci_tbl);
+MODULE_DEVICE_TABLE(pci, iTCO_wdt_pci_tbl);
/* Address definitions for the TCO */
-#define TCOBASE iTCO_wdt_private.ACPIBASE + 0x60 /* TCO base address */
-#define SMI_EN iTCO_wdt_private.ACPIBASE + 0x30 /* SMI Control and Enable Register */
+/* TCO base address */
+#define TCOBASE iTCO_wdt_private.ACPIBASE + 0x60
+/* SMI Control and Enable Register */
+#define SMI_EN iTCO_wdt_private.ACPIBASE + 0x30
-#define TCO_RLD TCOBASE + 0x00 /* TCO Timer Reload and Current Value */
+#define TCO_RLD TCOBASE + 0x00 /* TCO Timer Reload and Curr. Value */
#define TCOv1_TMR TCOBASE + 0x01 /* TCOv1 Timer Initial Value */
#define TCO_DAT_IN TCOBASE + 0x02 /* TCO Data In Register */
#define TCO_DAT_OUT TCOBASE + 0x03 /* TCO Data Out Register */
@@ -222,15 +226,21 @@ MODULE_DEVICE_TABLE (pci, iTCO_wdt_pci_tbl);
/* internal variables */
static unsigned long is_active;
static char expect_release;
-static struct { /* this is private data for the iTCO_wdt device */
- unsigned int iTCO_version; /* TCO version/generation */
- unsigned long ACPIBASE; /* The cards ACPIBASE address (TCOBASE = ACPIBASE+0x60) */
- unsigned long __iomem *gcs; /* NO_REBOOT flag is Memory-Mapped GCS register bit 5 (TCO version 2) */
- spinlock_t io_lock; /* the lock for io operations */
- struct pci_dev *pdev; /* the PCI-device */
+static struct { /* this is private data for the iTCO_wdt device */
+ /* TCO version/generation */
+ unsigned int iTCO_version;
+ /* The cards ACPIBASE address (TCOBASE = ACPIBASE+0x60) */
+ unsigned long ACPIBASE;
+ /* NO_REBOOT flag is Memory-Mapped GCS register bit 5 (TCO version 2)*/
+ unsigned long __iomem *gcs;
+ /* the lock for io operations */
+ spinlock_t io_lock;
+ /* the PCI-device */
+ struct pci_dev *pdev;
} iTCO_wdt_private;
-static struct platform_device *iTCO_wdt_platform_device; /* the watchdog platform device */
+/* the watchdog platform device */
+static struct platform_device *iTCO_wdt_platform_device;
/* module parameters */
#define WATCHDOG_HEARTBEAT 30 /* 30 sec default heartbeat */
@@ -240,22 +250,9 @@ MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<heartbeat<39 (TCO
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-
-/* iTCO Vendor Specific Support hooks */
-#ifdef CONFIG_ITCO_VENDOR_SUPPORT
-extern void iTCO_vendor_pre_start(unsigned long, unsigned int);
-extern void iTCO_vendor_pre_stop(unsigned long);
-extern void iTCO_vendor_pre_keepalive(unsigned long, unsigned int);
-extern void iTCO_vendor_pre_set_heartbeat(unsigned int);
-extern int iTCO_vendor_check_noreboot_on(void);
-#else
-#define iTCO_vendor_pre_start(acpibase, heartbeat) {}
-#define iTCO_vendor_pre_stop(acpibase) {}
-#define iTCO_vendor_pre_keepalive(acpibase,heartbeat) {}
-#define iTCO_vendor_pre_set_heartbeat(heartbeat) {}
-#define iTCO_vendor_check_noreboot_on() 1 /* 1=check noreboot; 0=don't check */
-#endif
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Some TCO specific functions
@@ -369,11 +366,10 @@ static int iTCO_wdt_keepalive(void)
iTCO_vendor_pre_keepalive(iTCO_wdt_private.ACPIBASE, heartbeat);
/* Reload the timer by writing to the TCO Timer Counter register */
- if (iTCO_wdt_private.iTCO_version == 2) {
+ if (iTCO_wdt_private.iTCO_version == 2)
outw(0x01, TCO_RLD);
- } else if (iTCO_wdt_private.iTCO_version == 1) {
+ else if (iTCO_wdt_private.iTCO_version == 1)
outb(0x01, TCO_RLD);
- }
spin_unlock(&iTCO_wdt_private.io_lock);
return 0;
@@ -425,7 +421,7 @@ static int iTCO_wdt_set_heartbeat(int t)
return 0;
}
-static int iTCO_wdt_get_timeleft (int *time_left)
+static int iTCO_wdt_get_timeleft(int *time_left)
{
unsigned int val16;
unsigned char val8;
@@ -454,7 +450,7 @@ static int iTCO_wdt_get_timeleft (int *time_left)
* /dev/watchdog handling
*/
-static int iTCO_wdt_open (struct inode *inode, struct file *file)
+static int iTCO_wdt_open(struct inode *inode, struct file *file)
{
/* /dev/watchdog can only be opened once */
if (test_and_set_bit(0, &is_active))
@@ -468,7 +464,7 @@ static int iTCO_wdt_open (struct inode *inode, struct file *file)
return nonseekable_open(inode, file);
}
-static int iTCO_wdt_release (struct inode *inode, struct file *file)
+static int iTCO_wdt_release(struct inode *inode, struct file *file)
{
/*
* Shut off the timer.
@@ -476,7 +472,8 @@ static int iTCO_wdt_release (struct inode *inode, struct file *file)
if (expect_release == 42) {
iTCO_wdt_stop();
} else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
iTCO_wdt_keepalive();
}
clear_bit(0, &is_active);
@@ -484,22 +481,23 @@ static int iTCO_wdt_release (struct inode *inode, struct file *file)
return 0;
}
-static ssize_t iTCO_wdt_write (struct file *file, const char __user *data,
- size_t len, loff_t * ppos)
+static ssize_t iTCO_wdt_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
if (len) {
if (!nowayout) {
size_t i;
- /* note: just in case someone wrote the magic character
- * five months ago... */
+ /* note: just in case someone wrote the magic
+ character five months ago... */
expect_release = 0;
- /* scan to see whether or not we got the magic character */
+ /* scan to see whether or not we got the
+ magic character */
for (i = 0; i != len; i++) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_release = 42;
@@ -512,8 +510,8 @@ static ssize_t iTCO_wdt_write (struct file *file, const char __user *data,
return len;
}
-static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long iTCO_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int new_options, retval = -EINVAL;
int new_heartbeat;
@@ -528,64 +526,52 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
};
switch (cmd) {
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident,
- sizeof (ident)) ? -EFAULT : 0;
-
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
-
- case WDIOC_KEEPALIVE:
- iTCO_wdt_keepalive();
- return 0;
-
- case WDIOC_SETOPTIONS:
- {
- if (get_user(new_options, p))
- return -EFAULT;
-
- if (new_options & WDIOS_DISABLECARD) {
- iTCO_wdt_stop();
- retval = 0;
- }
-
- if (new_options & WDIOS_ENABLECARD) {
- iTCO_wdt_keepalive();
- iTCO_wdt_start();
- retval = 0;
- }
-
- return retval;
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+
+ case WDIOC_SETOPTIONS:
+ {
+ if (get_user(new_options, p))
+ return -EFAULT;
+
+ if (new_options & WDIOS_DISABLECARD) {
+ iTCO_wdt_stop();
+ retval = 0;
}
-
- case WDIOC_SETTIMEOUT:
- {
- if (get_user(new_heartbeat, p))
- return -EFAULT;
-
- if (iTCO_wdt_set_heartbeat(new_heartbeat))
- return -EINVAL;
-
+ if (new_options & WDIOS_ENABLECARD) {
iTCO_wdt_keepalive();
- /* Fall */
- }
-
- case WDIOC_GETTIMEOUT:
- return put_user(heartbeat, p);
-
- case WDIOC_GETTIMELEFT:
- {
- int time_left;
-
- if (iTCO_wdt_get_timeleft(&time_left))
- return -EINVAL;
-
- return put_user(time_left, p);
+ iTCO_wdt_start();
+ retval = 0;
}
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ iTCO_wdt_keepalive();
+ return 0;
- default:
- return -ENOTTY;
+ case WDIOC_SETTIMEOUT:
+ {
+ if (get_user(new_heartbeat, p))
+ return -EFAULT;
+ if (iTCO_wdt_set_heartbeat(new_heartbeat))
+ return -EINVAL;
+ iTCO_wdt_keepalive();
+ /* Fall */
+ }
+ case WDIOC_GETTIMEOUT:
+ return put_user(heartbeat, p);
+ case WDIOC_GETTIMELEFT:
+ {
+ int time_left;
+ if (iTCO_wdt_get_timeleft(&time_left))
+ return -EINVAL;
+ return put_user(time_left, p);
+ }
+ default:
+ return -ENOTTY;
}
}
@@ -594,12 +580,12 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
*/
static const struct file_operations iTCO_wdt_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = iTCO_wdt_write,
- .ioctl = iTCO_wdt_ioctl,
- .open = iTCO_wdt_open,
- .release = iTCO_wdt_release,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = iTCO_wdt_write,
+ .unlocked_ioctl = iTCO_wdt_ioctl,
+ .open = iTCO_wdt_open,
+ .release = iTCO_wdt_release,
};
static struct miscdevice iTCO_wdt_miscdev = {
@@ -612,7 +598,8 @@ static struct miscdevice iTCO_wdt_miscdev = {
* Init & exit routines
*/
-static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device_id *ent, struct platform_device *dev)
+static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
+ const struct pci_device_id *ent, struct platform_device *dev)
{
int ret;
u32 base_address;
@@ -632,17 +619,19 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device
pci_dev_put(pdev);
return -ENODEV;
}
- iTCO_wdt_private.iTCO_version = iTCO_chipset_info[ent->driver_data].iTCO_version;
+ iTCO_wdt_private.iTCO_version =
+ iTCO_chipset_info[ent->driver_data].iTCO_version;
iTCO_wdt_private.ACPIBASE = base_address;
iTCO_wdt_private.pdev = pdev;
- /* Get the Memory-Mapped GCS register, we need it for the NO_REBOOT flag (TCO v2) */
- /* To get access to it you have to read RCBA from PCI Config space 0xf0
- and use it as base. GCS = RCBA + ICH6_GCS(0x3410). */
+ /* Get the Memory-Mapped GCS register, we need it for the
+ NO_REBOOT flag (TCO v2). To get access to it you have to
+ read RCBA from PCI Config space 0xf0 and use it as base.
+ GCS = RCBA + ICH6_GCS(0x3410). */
if (iTCO_wdt_private.iTCO_version == 2) {
pci_read_config_dword(pdev, 0xf0, &base_address);
RCBA = base_address & 0xffffc000;
- iTCO_wdt_private.gcs = ioremap((RCBA + 0x3410),4);
+ iTCO_wdt_private.gcs = ioremap((RCBA + 0x3410), 4);
}
/* Check chipset's NO_REBOOT bit */
@@ -657,8 +646,8 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device
/* Set the TCO_EN bit in SMI_EN register */
if (!request_region(SMI_EN, 4, "iTCO_wdt")) {
- printk(KERN_ERR PFX "I/O address 0x%04lx already in use\n",
- SMI_EN );
+ printk(KERN_ERR PFX
+ "I/O address 0x%04lx already in use\n", SMI_EN);
ret = -EIO;
goto out;
}
@@ -667,18 +656,20 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device
outl(val32, SMI_EN);
release_region(SMI_EN, 4);
- /* The TCO I/O registers reside in a 32-byte range pointed to by the TCOBASE value */
- if (!request_region (TCOBASE, 0x20, "iTCO_wdt")) {
- printk (KERN_ERR PFX "I/O address 0x%04lx already in use\n",
+ /* The TCO I/O registers reside in a 32-byte range pointed to
+ by the TCOBASE value */
+ if (!request_region(TCOBASE, 0x20, "iTCO_wdt")) {
+ printk(KERN_ERR PFX "I/O address 0x%04lx already in use\n",
TCOBASE);
ret = -EIO;
goto out;
}
- printk(KERN_INFO PFX "Found a %s TCO device (Version=%d, TCOBASE=0x%04lx)\n",
- iTCO_chipset_info[ent->driver_data].name,
- iTCO_chipset_info[ent->driver_data].iTCO_version,
- TCOBASE);
+ printk(KERN_INFO PFX
+ "Found a %s TCO device (Version=%d, TCOBASE=0x%04lx)\n",
+ iTCO_chipset_info[ent->driver_data].name,
+ iTCO_chipset_info[ent->driver_data].iTCO_version,
+ TCOBASE);
/* Clear out the (probably old) status */
outb(0, TCO1_STS);
@@ -687,27 +678,29 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device
/* Make sure the watchdog is not running */
iTCO_wdt_stop();
- /* Check that the heartbeat value is within it's range ; if not reset to the default */
+ /* Check that the heartbeat value is within it's range;
+ if not reset to the default */
if (iTCO_wdt_set_heartbeat(heartbeat)) {
iTCO_wdt_set_heartbeat(WATCHDOG_HEARTBEAT);
- printk(KERN_INFO PFX "heartbeat value must be 2<heartbeat<39 (TCO v1) or 613 (TCO v2), using %d\n",
- heartbeat);
+ printk(KERN_INFO PFX "heartbeat value must be 2 < heartbeat < 39 (TCO v1) or 613 (TCO v2), using %d\n",
+ heartbeat);
}
ret = misc_register(&iTCO_wdt_miscdev);
if (ret != 0) {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto unreg_region;
}
- printk (KERN_INFO PFX "initialized. heartbeat=%d sec (nowayout=%d)\n",
- heartbeat, nowayout);
+ printk(KERN_INFO PFX "initialized. heartbeat=%d sec (nowayout=%d)\n",
+ heartbeat, nowayout);
return 0;
unreg_region:
- release_region (TCOBASE, 0x20);
+ release_region(TCOBASE, 0x20);
out:
if (iTCO_wdt_private.iTCO_version == 2)
iounmap(iTCO_wdt_private.gcs);
@@ -796,7 +789,8 @@ static int __init iTCO_wdt_init_module(void)
if (err)
return err;
- iTCO_wdt_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0);
+ iTCO_wdt_platform_device = platform_device_register_simple(DRV_NAME,
+ -1, NULL, 0);
if (IS_ERR(iTCO_wdt_platform_device)) {
err = PTR_ERR(iTCO_wdt_platform_device);
goto unreg_platform_driver;
diff --git a/drivers/watchdog/ib700wdt.c b/drivers/watchdog/ib700wdt.c
index 4b89f401691..05a28106e8e 100644
--- a/drivers/watchdog/ib700wdt.c
+++ b/drivers/watchdog/ib700wdt.c
@@ -41,9 +41,9 @@
#include <linux/spinlock.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
static struct platform_device *ibwdt_platform_device;
@@ -120,15 +120,16 @@ static int wd_margin = WD_TIMO;
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Watchdog Operations
*/
-static void
-ibwdt_ping(void)
+static void ibwdt_ping(void)
{
spin_lock(&ibwdt_lock);
@@ -138,16 +139,14 @@ ibwdt_ping(void)
spin_unlock(&ibwdt_lock);
}
-static void
-ibwdt_disable(void)
+static void ibwdt_disable(void)
{
spin_lock(&ibwdt_lock);
outb_p(0, WDT_STOP);
spin_unlock(&ibwdt_lock);
}
-static int
-ibwdt_set_heartbeat(int t)
+static int ibwdt_set_heartbeat(int t)
{
int i;
@@ -165,8 +164,8 @@ ibwdt_set_heartbeat(int t)
* /dev/watchdog handling
*/
-static ssize_t
-ibwdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
+static ssize_t ibwdt_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
if (count) {
if (!nowayout) {
@@ -188,77 +187,71 @@ ibwdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppo
return count;
}
-static int
-ibwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long ibwdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int new_margin;
void __user *argp = (void __user *)arg;
int __user *p = argp;
static struct watchdog_info ident = {
- .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+ .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT
+ | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "IB700 WDT",
};
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user(argp, &ident, sizeof(ident)))
- return -EFAULT;
- break;
+ if (copy_to_user(argp, &ident, sizeof(ident)))
+ return -EFAULT;
+ break;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
-
- case WDIOC_KEEPALIVE:
- ibwdt_ping();
- break;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(new_margin, p))
- return -EFAULT;
- if (ibwdt_set_heartbeat(new_margin))
- return -EINVAL;
- ibwdt_ping();
- /* Fall */
-
- case WDIOC_GETTIMEOUT:
- return put_user(wd_times[wd_margin], p);
+ return put_user(0, p);
case WDIOC_SETOPTIONS:
{
- int options, retval = -EINVAL;
+ int options, retval = -EINVAL;
- if (get_user(options, p))
- return -EFAULT;
+ if (get_user(options, p))
+ return -EFAULT;
- if (options & WDIOS_DISABLECARD) {
- ibwdt_disable();
- retval = 0;
- }
+ if (options & WDIOS_DISABLECARD) {
+ ibwdt_disable();
+ retval = 0;
+ }
+ if (options & WDIOS_ENABLECARD) {
+ ibwdt_ping();
+ retval = 0;
+ }
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ ibwdt_ping();
+ break;
- if (options & WDIOS_ENABLECARD) {
- ibwdt_ping();
- retval = 0;
- }
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_margin, p))
+ return -EFAULT;
+ if (ibwdt_set_heartbeat(new_margin))
+ return -EINVAL;
+ ibwdt_ping();
+ /* Fall */
- return retval;
- }
+ case WDIOC_GETTIMEOUT:
+ return put_user(wd_times[wd_margin], p);
default:
- return -ENOTTY;
+ return -ENOTTY;
}
return 0;
}
-static int
-ibwdt_open(struct inode *inode, struct file *file)
+static int ibwdt_open(struct inode *inode, struct file *file)
{
- if (test_and_set_bit(0, &ibwdt_is_open)) {
+ if (test_and_set_bit(0, &ibwdt_is_open))
return -EBUSY;
- }
if (nowayout)
__module_get(THIS_MODULE);
@@ -267,13 +260,13 @@ ibwdt_open(struct inode *inode, struct file *file)
return nonseekable_open(inode, file);
}
-static int
-ibwdt_close(struct inode *inode, struct file *file)
+static int ibwdt_close(struct inode *inode, struct file *file)
{
if (expect_close == 42) {
ibwdt_disable();
} else {
- printk(KERN_CRIT PFX "WDT device closed unexpectedly. WDT will not stop!\n");
+ printk(KERN_CRIT PFX
+ "WDT device closed unexpectedly. WDT will not stop!\n");
ibwdt_ping();
}
clear_bit(0, &ibwdt_is_open);
@@ -289,7 +282,7 @@ static const struct file_operations ibwdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = ibwdt_write,
- .ioctl = ibwdt_ioctl,
+ .unlocked_ioctl = ibwdt_ioctl,
.open = ibwdt_open,
.release = ibwdt_close,
};
@@ -310,21 +303,23 @@ static int __devinit ibwdt_probe(struct platform_device *dev)
#if WDT_START != WDT_STOP
if (!request_region(WDT_STOP, 1, "IB700 WDT")) {
- printk (KERN_ERR PFX "STOP method I/O %X is not available.\n", WDT_STOP);
+ printk(KERN_ERR PFX "STOP method I/O %X is not available.\n",
+ WDT_STOP);
res = -EIO;
goto out_nostopreg;
}
#endif
if (!request_region(WDT_START, 1, "IB700 WDT")) {
- printk (KERN_ERR PFX "START method I/O %X is not available.\n", WDT_START);
+ printk(KERN_ERR PFX "START method I/O %X is not available.\n",
+ WDT_START);
res = -EIO;
goto out_nostartreg;
}
res = misc_register(&ibwdt_miscdev);
if (res) {
- printk (KERN_ERR PFX "failed to register misc device\n");
+ printk(KERN_ERR PFX "failed to register misc device\n");
goto out_nomisc;
}
return 0;
@@ -342,9 +337,9 @@ out_nostopreg:
static int __devexit ibwdt_remove(struct platform_device *dev)
{
misc_deregister(&ibwdt_miscdev);
- release_region(WDT_START,1);
+ release_region(WDT_START, 1);
#if WDT_START != WDT_STOP
- release_region(WDT_STOP,1);
+ release_region(WDT_STOP, 1);
#endif
return 0;
}
@@ -369,13 +364,15 @@ static int __init ibwdt_init(void)
{
int err;
- printk(KERN_INFO PFX "WDT driver for IB700 single board computer initialising.\n");
+ printk(KERN_INFO PFX
+ "WDT driver for IB700 single board computer initialising.\n");
err = platform_driver_register(&ibwdt_driver);
if (err)
return err;
- ibwdt_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0);
+ ibwdt_platform_device = platform_device_register_simple(DRV_NAME,
+ -1, NULL, 0);
if (IS_ERR(ibwdt_platform_device)) {
err = PTR_ERR(ibwdt_platform_device);
goto unreg_platform_driver;
diff --git a/drivers/watchdog/ibmasr.c b/drivers/watchdog/ibmasr.c
index 94155f6136c..b82405cfb4c 100644
--- a/drivers/watchdog/ibmasr.c
+++ b/drivers/watchdog/ibmasr.c
@@ -19,9 +19,8 @@
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/dmi.h>
-
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
enum {
@@ -70,10 +69,13 @@ static char asr_expect_close;
static unsigned int asr_type, asr_base, asr_length;
static unsigned int asr_read_addr, asr_write_addr;
static unsigned char asr_toggle_mask, asr_disable_mask;
+static spinlock_t asr_lock;
-static void asr_toggle(void)
+static void __asr_toggle(void)
{
- unsigned char reg = inb(asr_read_addr);
+ unsigned char reg;
+
+ reg = inb(asr_read_addr);
outb(reg & ~asr_toggle_mask, asr_write_addr);
reg = inb(asr_read_addr);
@@ -83,12 +85,21 @@ static void asr_toggle(void)
outb(reg & ~asr_toggle_mask, asr_write_addr);
reg = inb(asr_read_addr);
+ spin_unlock(&asr_lock);
+}
+
+static void asr_toggle(void)
+{
+ spin_lock(&asr_lock);
+ __asr_toggle();
+ spin_unlock(&asr_lock);
}
static void asr_enable(void)
{
unsigned char reg;
+ spin_lock(&asr_lock);
if (asr_type == ASMTYPE_TOPAZ) {
/* asr_write_addr == asr_read_addr */
reg = inb(asr_read_addr);
@@ -99,17 +110,21 @@ static void asr_enable(void)
* First make sure the hardware timer is reset by toggling
* ASR hardware timer line.
*/
- asr_toggle();
+ __asr_toggle();
reg = inb(asr_read_addr);
outb(reg & ~asr_disable_mask, asr_write_addr);
}
reg = inb(asr_read_addr);
+ spin_unlock(&asr_lock);
}
static void asr_disable(void)
{
- unsigned char reg = inb(asr_read_addr);
+ unsigned char reg;
+
+ spin_lock(&asr_lock);
+ reg = inb(asr_read_addr);
if (asr_type == ASMTYPE_TOPAZ)
/* asr_write_addr == asr_read_addr */
@@ -122,6 +137,7 @@ static void asr_disable(void)
outb(reg | asr_disable_mask, asr_write_addr);
}
reg = inb(asr_read_addr);
+ spin_unlock(&asr_lock);
}
static int __init asr_get_base_address(void)
@@ -133,7 +149,8 @@ static int __init asr_get_base_address(void)
switch (asr_type) {
case ASMTYPE_TOPAZ:
- /* SELECT SuperIO CHIP FOR QUERYING (WRITE 0x07 TO BOTH 0x2E and 0x2F) */
+ /* SELECT SuperIO CHIP FOR QUERYING
+ (WRITE 0x07 TO BOTH 0x2E and 0x2F) */
outb(0x07, 0x2e);
outb(0x07, 0x2f);
@@ -154,14 +171,26 @@ static int __init asr_get_base_address(void)
case ASMTYPE_JASPER:
type = "Jaspers ";
-
- /* FIXME: need to use pci_config_lock here, but it's not exported */
+#if 0
+ u32 r;
+ /* Suggested fix */
+ pdev = pci_get_bus_and_slot(0, DEVFN(0x1f, 0));
+ if (pdev == NULL)
+ return -ENODEV;
+ pci_read_config_dword(pdev, 0x58, &r);
+ asr_base = r & 0xFFFE;
+ pci_dev_put(pdev);
+#else
+ /* FIXME: need to use pci_config_lock here,
+ but it's not exported */
/* spin_lock_irqsave(&pci_config_lock, flags);*/
/* Select the SuperIO chip in the PCI I/O port register */
outl(0x8000f858, 0xcf8);
+ /* BUS 0, Slot 1F, fnc 0, offset 58 */
+
/*
* Read the base address for the SuperIO chip.
* Only the lower 16 bits are valid, but the address is word
@@ -170,7 +199,7 @@ static int __init asr_get_base_address(void)
asr_base = inl(0xcfc) & 0xfffe;
/* spin_unlock_irqrestore(&pci_config_lock, flags);*/
-
+#endif
asr_read_addr = asr_write_addr =
asr_base + JASPER_ASR_REG_OFFSET;
asr_toggle_mask = JASPER_ASR_TOGGLE_MASK;
@@ -241,66 +270,57 @@ static ssize_t asr_write(struct file *file, const char __user *buf,
return count;
}
-static int asr_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long asr_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
static const struct watchdog_info ident = {
- .options = WDIOF_KEEPALIVEPING |
+ .options = WDIOF_KEEPALIVEPING |
WDIOF_MAGICCLOSE,
- .identity = "IBM ASR"
+ .identity = "IBM ASR",
};
void __user *argp = (void __user *)arg;
int __user *p = argp;
int heartbeat;
switch (cmd) {
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident, sizeof(ident)) ?
- -EFAULT : 0;
-
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
-
- case WDIOC_KEEPALIVE:
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_SETOPTIONS:
+ {
+ int new_options, retval = -EINVAL;
+ if (get_user(new_options, p))
+ return -EFAULT;
+ if (new_options & WDIOS_DISABLECARD) {
+ asr_disable();
+ retval = 0;
+ }
+ if (new_options & WDIOS_ENABLECARD) {
+ asr_enable();
asr_toggle();
- return 0;
-
- /*
- * The hardware has a fixed timeout value, so no WDIOC_SETTIMEOUT
- * and WDIOC_GETTIMEOUT always returns 256.
- */
- case WDIOC_GETTIMEOUT:
- heartbeat = 256;
- return put_user(heartbeat, p);
-
- case WDIOC_SETOPTIONS: {
- int new_options, retval = -EINVAL;
-
- if (get_user(new_options, p))
- return -EFAULT;
-
- if (new_options & WDIOS_DISABLECARD) {
- asr_disable();
- retval = 0;
- }
-
- if (new_options & WDIOS_ENABLECARD) {
- asr_enable();
- asr_toggle();
- retval = 0;
- }
-
- return retval;
+ retval = 0;
}
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ asr_toggle();
+ return 0;
+ /*
+ * The hardware has a fixed timeout value, so no WDIOC_SETTIMEOUT
+ * and WDIOC_GETTIMEOUT always returns 256.
+ */
+ case WDIOC_GETTIMEOUT:
+ heartbeat = 256;
+ return put_user(heartbeat, p);
+ default:
+ return -ENOTTY;
}
-
- return -ENOTTY;
}
static int asr_open(struct inode *inode, struct file *file)
{
- if(test_and_set_bit(0, &asr_is_open))
+ if (test_and_set_bit(0, &asr_is_open))
return -EBUSY;
asr_toggle();
@@ -314,7 +334,8 @@ static int asr_release(struct inode *inode, struct file *file)
if (asr_expect_close == 42)
asr_disable();
else {
- printk(KERN_CRIT PFX "unexpected close, not stopping watchdog!\n");
+ printk(KERN_CRIT PFX
+ "unexpected close, not stopping watchdog!\n");
asr_toggle();
}
clear_bit(0, &asr_is_open);
@@ -323,12 +344,12 @@ static int asr_release(struct inode *inode, struct file *file)
}
static const struct file_operations asr_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = asr_write,
- .ioctl = asr_ioctl,
- .open = asr_open,
- .release = asr_release,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = asr_write,
+ .unlocked_ioctl = asr_ioctl,
+ .open = asr_open,
+ .release = asr_release,
};
static struct miscdevice asr_miscdev = {
@@ -367,6 +388,8 @@ static int __init ibmasr_init(void)
if (!asr_type)
return -ENODEV;
+ spin_lock_init(&asr_lock);
+
rc = asr_get_base_address();
if (rc)
return rc;
@@ -395,7 +418,9 @@ module_init(ibmasr_init);
module_exit(ibmasr_exit);
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
MODULE_DESCRIPTION("IBM Automatic Server Restart driver");
MODULE_AUTHOR("Andrey Panin");
diff --git a/drivers/watchdog/indydog.c b/drivers/watchdog/indydog.c
index 788245bdaa7..73c9e7992fe 100644
--- a/drivers/watchdog/indydog.c
+++ b/drivers/watchdog/indydog.c
@@ -1,7 +1,8 @@
/*
* IndyDog 0.3 A Hardware Watchdog Device for SGI IP22
*
- * (c) Copyright 2002 Guido Guenther <agx@sigxcpu.org>, All Rights Reserved.
+ * (c) Copyright 2002 Guido Guenther <agx@sigxcpu.org>,
+ * All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -22,32 +23,42 @@
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/sgi/mc.h>
#define PFX "indydog: "
-static int indydog_alive;
+static unsigned long indydog_alive;
+static spinlock_t indydog_lock;
#define WATCHDOG_TIMEOUT 30 /* 30 sec default timeout */
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static void indydog_start(void)
{
- u32 mc_ctrl0 = sgimc->cpuctrl0;
+ u32 mc_ctrl0;
+ spin_lock(&indydog_lock);
+ mc_ctrl0 = sgimc->cpuctrl0;
mc_ctrl0 = sgimc->cpuctrl0 | SGIMC_CCTRL0_WDOG;
sgimc->cpuctrl0 = mc_ctrl0;
+ spin_unlock(&indydog_lock);
}
static void indydog_stop(void)
{
- u32 mc_ctrl0 = sgimc->cpuctrl0;
+ u32 mc_ctrl0;
+ spin_lock(&indydog_lock);
+
+ mc_ctrl0 = sgimc->cpuctrl0;
mc_ctrl0 &= ~SGIMC_CCTRL0_WDOG;
sgimc->cpuctrl0 = mc_ctrl0;
+ spin_unlock(&indydog_lock);
printk(KERN_INFO PFX "Stopped watchdog timer.\n");
}
@@ -62,7 +73,7 @@ static void indydog_ping(void)
*/
static int indydog_open(struct inode *inode, struct file *file)
{
- if (indydog_alive)
+ if (test_and_set_bit(0, &indydog_alive))
return -EBUSY;
if (nowayout)
@@ -84,23 +95,21 @@ static int indydog_release(struct inode *inode, struct file *file)
* Lock it in if it's a module and we defined ...NOWAYOUT */
if (!nowayout)
indydog_stop(); /* Turn the WDT off */
-
- indydog_alive = 0;
-
+ clear_bit(0, &indydog_alive);
return 0;
}
-static ssize_t indydog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
+static ssize_t indydog_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
{
/* Refresh the timer. */
- if (len) {
+ if (len)
indydog_ping();
- }
return len;
}
-static int indydog_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long indydog_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int options, retval = -EINVAL;
static struct watchdog_info ident = {
@@ -111,42 +120,40 @@ static int indydog_ioctl(struct inode *inode, struct file *file,
};
switch (cmd) {
- default:
- return -ENOTTY;
- case WDIOC_GETSUPPORT:
- if (copy_to_user((struct watchdog_info *)arg,
- &ident, sizeof(ident)))
- return -EFAULT;
- return 0;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0,(int *)arg);
- case WDIOC_KEEPALIVE:
- indydog_ping();
- return 0;
- case WDIOC_GETTIMEOUT:
- return put_user(WATCHDOG_TIMEOUT,(int *)arg);
- case WDIOC_SETOPTIONS:
- {
- if (get_user(options, (int *)arg))
- return -EFAULT;
-
- if (options & WDIOS_DISABLECARD) {
- indydog_stop();
- retval = 0;
- }
-
- if (options & WDIOS_ENABLECARD) {
- indydog_start();
- retval = 0;
- }
-
- return retval;
+ case WDIOC_GETSUPPORT:
+ if (copy_to_user((struct watchdog_info *)arg,
+ &ident, sizeof(ident)))
+ return -EFAULT;
+ return 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, (int *)arg);
+ case WDIOC_SETOPTIONS:
+ {
+ if (get_user(options, (int *)arg))
+ return -EFAULT;
+ if (options & WDIOS_DISABLECARD) {
+ indydog_stop();
+ retval = 0;
}
+ if (options & WDIOS_ENABLECARD) {
+ indydog_start();
+ retval = 0;
+ }
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ indydog_ping();
+ return 0;
+ case WDIOC_GETTIMEOUT:
+ return put_user(WATCHDOG_TIMEOUT, (int *)arg);
+ default:
+ return -ENOTTY;
}
}
-static int indydog_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
+static int indydog_notify_sys(struct notifier_block *this,
+ unsigned long code, void *unused)
{
if (code == SYS_DOWN || code == SYS_HALT)
indydog_stop(); /* Turn the WDT off */
@@ -158,7 +165,7 @@ static const struct file_operations indydog_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = indydog_write,
- .ioctl = indydog_ioctl,
+ .unlocked_ioctl = indydog_ioctl,
.open = indydog_open,
.release = indydog_release,
};
@@ -180,17 +187,20 @@ static int __init watchdog_init(void)
{
int ret;
+ spin_lock_init(&indydog_lock);
+
ret = register_reboot_notifier(&indydog_notifier);
if (ret) {
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- ret);
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", ret);
return ret;
}
ret = misc_register(&indydog_miscdev);
if (ret) {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
unregister_reboot_notifier(&indydog_notifier);
return ret;
}
diff --git a/drivers/watchdog/iop_wdt.c b/drivers/watchdog/iop_wdt.c
index bbbd91af754..8278b13f77c 100644
--- a/drivers/watchdog/iop_wdt.c
+++ b/drivers/watchdog/iop_wdt.c
@@ -37,6 +37,7 @@
static int nowayout = WATCHDOG_NOWAYOUT;
static unsigned long wdt_status;
static unsigned long boot_status;
+static spinlock_t wdt_lock;
#define WDT_IN_USE 0
#define WDT_OK_TO_CLOSE 1
@@ -68,8 +69,10 @@ static void wdt_enable(void)
/* Arm and enable the Timer to starting counting down from 0xFFFF.FFFF
* Takes approx. 10.7s to timeout
*/
+ spin_lock(&wdt_lock);
write_wdtcr(IOP_WDTCR_EN_ARM);
write_wdtcr(IOP_WDTCR_EN);
+ spin_unlock(&wdt_lock);
}
/* returns 0 if the timer was successfully disabled */
@@ -77,9 +80,11 @@ static int wdt_disable(void)
{
/* Stop Counting */
if (wdt_supports_disable()) {
+ spin_lock(&wdt_lock);
write_wdtcr(IOP_WDTCR_DIS_ARM);
write_wdtcr(IOP_WDTCR_DIS);
clear_bit(WDT_ENABLED, &wdt_status);
+ spin_unlock(&wdt_lock);
printk(KERN_INFO "WATCHDOG: Disabled\n");
return 0;
} else
@@ -92,16 +97,12 @@ static int iop_wdt_open(struct inode *inode, struct file *file)
return -EBUSY;
clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
-
wdt_enable();
-
set_bit(WDT_ENABLED, &wdt_status);
-
return nonseekable_open(inode, file);
}
-static ssize_t
-iop_wdt_write(struct file *file, const char *data, size_t len,
+static ssize_t iop_wdt_write(struct file *file, const char *data, size_t len,
loff_t *ppos)
{
if (len) {
@@ -121,46 +122,35 @@ iop_wdt_write(struct file *file, const char *data, size_t len,
}
wdt_enable();
}
-
return len;
}
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
.options = WDIOF_CARDRESET | WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING,
.identity = "iop watchdog",
};
-static int
-iop_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long iop_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int options;
int ret = -ENOTTY;
+ int __user *argp = (int __user *)arg;
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user
- ((struct watchdog_info *)arg, &ident, sizeof ident))
+ if (copy_to_user(argp, &ident, sizeof ident))
ret = -EFAULT;
else
ret = 0;
break;
case WDIOC_GETSTATUS:
- ret = put_user(0, (int *)arg);
+ ret = put_user(0, argp);
break;
case WDIOC_GETBOOTSTATUS:
- ret = put_user(boot_status, (int *)arg);
- break;
-
- case WDIOC_GETTIMEOUT:
- ret = put_user(iop_watchdog_timeout(), (int *)arg);
- break;
-
- case WDIOC_KEEPALIVE:
- wdt_enable();
- ret = 0;
+ ret = put_user(boot_status, argp);
break;
case WDIOC_SETOPTIONS:
@@ -177,14 +167,21 @@ iop_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
} else
ret = 0;
}
-
if (options & WDIOS_ENABLECARD) {
wdt_enable();
ret = 0;
}
break;
- }
+ case WDIOC_KEEPALIVE:
+ wdt_enable();
+ ret = 0;
+ break;
+
+ case WDIOC_GETTIMEOUT:
+ ret = put_user(iop_watchdog_timeout(), argp);
+ break;
+ }
return ret;
}
@@ -214,7 +211,7 @@ static const struct file_operations iop_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = iop_wdt_write,
- .ioctl = iop_wdt_ioctl,
+ .unlocked_ioctl = iop_wdt_ioctl,
.open = iop_wdt_open,
.release = iop_wdt_release,
};
@@ -229,10 +226,8 @@ static int __init iop_wdt_init(void)
{
int ret;
- ret = misc_register(&iop_wdt_miscdev);
- if (ret == 0)
- printk("iop watchdog timer: timeout %lu sec\n",
- iop_watchdog_timeout());
+ spin_lock_init(&wdt_lock);
+
/* check if the reset was caused by the watchdog timer */
boot_status = (read_rcsr() & IOP_RCSR_WDT) ? WDIOF_CARDRESET : 0;
@@ -242,6 +237,13 @@ static int __init iop_wdt_init(void)
*/
write_wdtsr(IOP13XX_WDTCR_IB_RESET);
+ /* Register after we have the device set up so we cannot race
+ with an open */
+ ret = misc_register(&iop_wdt_miscdev);
+ if (ret == 0)
+ printk(KERN_INFO "iop watchdog timer: timeout %lu sec\n",
+ iop_watchdog_timeout());
+
return ret;
}
diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c
index 51bfd572183..2270ee07c01 100644
--- a/drivers/watchdog/it8712f_wdt.c
+++ b/drivers/watchdog/it8712f_wdt.c
@@ -221,7 +221,7 @@ static ssize_t it8712f_wdt_write(struct file *file, const char __user *data,
expect_close = 0;
for (i = 0; i < len; ++i) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
@@ -244,8 +244,6 @@ static long it8712f_wdt_ioctl(struct file *file, unsigned int cmd,
int value;
switch (cmd) {
- default:
- return -ENOTTY;
case WDIOC_GETSUPPORT:
if (copy_to_user(argp, &ident, sizeof(ident)))
return -EFAULT;
@@ -284,6 +282,8 @@ static long it8712f_wdt_ioctl(struct file *file, unsigned int cmd,
if (put_user(margin, p))
return -EFAULT;
return 0;
+ default:
+ return -ENOTTY;
}
}
diff --git a/drivers/watchdog/ixp2000_wdt.c b/drivers/watchdog/ixp2000_wdt.c
index dc7548dcaf3..a77f69d5287 100644
--- a/drivers/watchdog/ixp2000_wdt.c
+++ b/drivers/watchdog/ixp2000_wdt.c
@@ -25,42 +25,45 @@
#include <linux/watchdog.h>
#include <linux/init.h>
#include <linux/bitops.h>
+#include <linux/uaccess.h>
#include <asm/hardware.h>
-#include <asm/uaccess.h>
static int nowayout = WATCHDOG_NOWAYOUT;
static unsigned int heartbeat = 60; /* (secs) Default is 1 minute */
static unsigned long wdt_status;
+static spinlock_t wdt_lock;
#define WDT_IN_USE 0
#define WDT_OK_TO_CLOSE 1
static unsigned long wdt_tick_rate;
-static void
-wdt_enable(void)
+static void wdt_enable(void)
{
+ spin_lock(&wdt_lock);
ixp2000_reg_write(IXP2000_RESET0, *(IXP2000_RESET0) | WDT_RESET_ENABLE);
ixp2000_reg_write(IXP2000_TWDE, WDT_ENABLE);
ixp2000_reg_write(IXP2000_T4_CLD, heartbeat * wdt_tick_rate);
ixp2000_reg_write(IXP2000_T4_CTL, TIMER_DIVIDER_256 | TIMER_ENABLE);
+ spin_unlock(&wdt_lock);
}
-static void
-wdt_disable(void)
+static void wdt_disable(void)
{
+ spin_lock(&wdt_lock);
ixp2000_reg_write(IXP2000_T4_CTL, 0);
+ spin_unlock(&wdt_lock);
}
-static void
-wdt_keepalive(void)
+static void wdt_keepalive(void)
{
+ spin_lock(&wdt_lock);
ixp2000_reg_write(IXP2000_T4_CLD, heartbeat * wdt_tick_rate);
+ spin_unlock(&wdt_lock);
}
-static int
-ixp2000_wdt_open(struct inode *inode, struct file *file)
+static int ixp2000_wdt_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(WDT_IN_USE, &wdt_status))
return -EBUSY;
@@ -72,8 +75,8 @@ ixp2000_wdt_open(struct inode *inode, struct file *file)
return nonseekable_open(inode, file);
}
-static ssize_t
-ixp2000_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
+static ssize_t ixp2000_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
{
if (len) {
if (!nowayout) {
@@ -103,9 +106,8 @@ static struct watchdog_info ident = {
.identity = "IXP2000 Watchdog",
};
-static int
-ixp2000_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long ixp2000_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int ret = -ENOTTY;
int time;
@@ -124,6 +126,11 @@ ixp2000_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
ret = put_user(0, (int *)arg);
break;
+ case WDIOC_KEEPALIVE:
+ wdt_enable();
+ ret = 0;
+ break;
+
case WDIOC_SETTIMEOUT:
ret = get_user(time, (int *)arg);
if (ret)
@@ -141,26 +148,18 @@ ixp2000_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
case WDIOC_GETTIMEOUT:
ret = put_user(heartbeat, (int *)arg);
break;
-
- case WDIOC_KEEPALIVE:
- wdt_enable();
- ret = 0;
- break;
}
return ret;
}
-static int
-ixp2000_wdt_release(struct inode *inode, struct file *file)
+static int ixp2000_wdt_release(struct inode *inode, struct file *file)
{
- if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) {
+ if (test_bit(WDT_OK_TO_CLOSE, &wdt_status))
wdt_disable();
- } else {
+ else
printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - "
"timer will not stop\n");
- }
-
clear_bit(WDT_IN_USE, &wdt_status);
clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
@@ -168,18 +167,16 @@ ixp2000_wdt_release(struct inode *inode, struct file *file)
}
-static const struct file_operations ixp2000_wdt_fops =
-{
+static const struct file_operations ixp2000_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = ixp2000_wdt_write,
- .ioctl = ixp2000_wdt_ioctl,
+ .unlocked_ioctl = ixp2000_wdt_ioctl,
.open = ixp2000_wdt_open,
.release = ixp2000_wdt_release,
};
-static struct miscdevice ixp2000_wdt_miscdev =
-{
+static struct miscdevice ixp2000_wdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &ixp2000_wdt_fops,
@@ -191,9 +188,8 @@ static int __init ixp2000_wdt_init(void)
printk(KERN_INFO "Unable to use IXP2000 watchdog due to IXP2800 erratum #25.\n");
return -EIO;
}
-
wdt_tick_rate = (*IXP2000_T1_CLD * HZ) / 256;
-
+ spin_lock_init(&wdt_lock);
return misc_register(&ixp2000_wdt_miscdev);
}
diff --git a/drivers/watchdog/ixp4xx_wdt.c b/drivers/watchdog/ixp4xx_wdt.c
index 5864bb865cf..ef3157dc9ac 100644
--- a/drivers/watchdog/ixp4xx_wdt.c
+++ b/drivers/watchdog/ixp4xx_wdt.c
@@ -22,48 +22,48 @@
#include <linux/watchdog.h>
#include <linux/init.h>
#include <linux/bitops.h>
+#include <linux/uaccess.h>
#include <asm/hardware.h>
-#include <asm/uaccess.h>
static int nowayout = WATCHDOG_NOWAYOUT;
static int heartbeat = 60; /* (secs) Default is 1 minute */
static unsigned long wdt_status;
static unsigned long boot_status;
+static spin_lock_t wdt_lock;
#define WDT_TICK_RATE (IXP4XX_PERIPHERAL_BUS_CLOCK * 1000000UL)
#define WDT_IN_USE 0
#define WDT_OK_TO_CLOSE 1
-static void
-wdt_enable(void)
+static void wdt_enable(void)
{
+ spin_lock(&wdt_lock);
*IXP4XX_OSWK = IXP4XX_WDT_KEY;
*IXP4XX_OSWE = 0;
*IXP4XX_OSWT = WDT_TICK_RATE * heartbeat;
*IXP4XX_OSWE = IXP4XX_WDT_COUNT_ENABLE | IXP4XX_WDT_RESET_ENABLE;
*IXP4XX_OSWK = 0;
+ spin_unlock(&wdt_lock);
}
-static void
-wdt_disable(void)
+static void wdt_disable(void)
{
+ spin_lock(&wdt_lock);
*IXP4XX_OSWK = IXP4XX_WDT_KEY;
*IXP4XX_OSWE = 0;
*IXP4XX_OSWK = 0;
+ spin_unlock(&wdt_lock);
}
-static int
-ixp4xx_wdt_open(struct inode *inode, struct file *file)
+static int ixp4xx_wdt_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(WDT_IN_USE, &wdt_status))
return -EBUSY;
clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
-
wdt_enable();
-
return nonseekable_open(inode, file);
}
@@ -87,7 +87,6 @@ ixp4xx_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
}
wdt_enable();
}
-
return len;
}
@@ -98,9 +97,8 @@ static struct watchdog_info ident = {
};
-static int
-ixp4xx_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long ixp4xx_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int ret = -ENOTTY;
int time;
@@ -119,6 +117,11 @@ ixp4xx_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
ret = put_user(boot_status, (int *)arg);
break;
+ case WDIOC_KEEPALIVE:
+ wdt_enable();
+ ret = 0;
+ break;
+
case WDIOC_SETTIMEOUT:
ret = get_user(time, (int *)arg);
if (ret)
@@ -136,25 +139,17 @@ ixp4xx_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
case WDIOC_GETTIMEOUT:
ret = put_user(heartbeat, (int *)arg);
break;
-
- case WDIOC_KEEPALIVE:
- wdt_enable();
- ret = 0;
- break;
}
return ret;
}
-static int
-ixp4xx_wdt_release(struct inode *inode, struct file *file)
+static int ixp4xx_wdt_release(struct inode *inode, struct file *file)
{
- if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) {
+ if (test_bit(WDT_OK_TO_CLOSE, &wdt_status))
wdt_disable();
- } else {
+ else
printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - "
"timer will not stop\n");
- }
-
clear_bit(WDT_IN_USE, &wdt_status);
clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
@@ -162,18 +157,16 @@ ixp4xx_wdt_release(struct inode *inode, struct file *file)
}
-static const struct file_operations ixp4xx_wdt_fops =
-{
+static const struct file_operations ixp4xx_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = ixp4xx_wdt_write,
- .ioctl = ixp4xx_wdt_ioctl,
+ .unlocked_ioctl = ixp4xx_wdt_ioctl,
.open = ixp4xx_wdt_open,
.release = ixp4xx_wdt_release,
};
-static struct miscdevice ixp4xx_wdt_miscdev =
-{
+static struct miscdevice ixp4xx_wdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &ixp4xx_wdt_fops,
@@ -186,19 +179,18 @@ static int __init ixp4xx_wdt_init(void)
asm("mrc p15, 0, %0, cr0, cr0, 0;" : "=r"(processor_id) :);
if (!(processor_id & 0xf) && !cpu_is_ixp46x()) {
- printk("IXP4XXX Watchdog: Rev. A0 IXP42x CPU detected - "
- "watchdog disabled\n");
+ printk(KERN_ERR "IXP4XXX Watchdog: Rev. A0 IXP42x CPU detected"
+ " - watchdog disabled\n");
return -ENODEV;
}
-
- ret = misc_register(&ixp4xx_wdt_miscdev);
- if (ret == 0)
- printk("IXP4xx Watchdog Timer: heartbeat %d sec\n", heartbeat);
-
+ spin_lock_init(&wdt_lock);
boot_status = (*IXP4XX_OSST & IXP4XX_OSST_TIMER_WARM_RESET) ?
WDIOF_CARDRESET : 0;
-
+ ret = misc_register(&ixp4xx_wdt_miscdev);
+ if (ret == 0)
+ printk(KERN_INFO "IXP4xx Watchdog Timer: heartbeat %d sec\n",
+ heartbeat);
return ret;
}
diff --git a/drivers/watchdog/ks8695_wdt.c b/drivers/watchdog/ks8695_wdt.c
index df5a6b811cc..f8566d5c62f 100644
--- a/drivers/watchdog/ks8695_wdt.c
+++ b/drivers/watchdog/ks8695_wdt.c
@@ -19,8 +19,8 @@
#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/watchdog.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
#include <asm/arch/regs-timer.h>
@@ -31,38 +31,44 @@ static int wdt_time = WDT_DEFAULT_TIME;
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(wdt_time, int, 0);
-MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default="__MODULE_STRING(WDT_DEFAULT_TIME) ")");
+MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default="
+ __MODULE_STRING(WDT_DEFAULT_TIME) ")");
#ifdef CONFIG_WATCHDOG_NOWAYOUT
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
#endif
static unsigned long ks8695wdt_busy;
+static spinlock_t ks8695_lock;
/* ......................................................................... */
/*
* Disable the watchdog.
*/
-static void inline ks8695_wdt_stop(void)
+static inline void ks8695_wdt_stop(void)
{
unsigned long tmcon;
+ spin_lock(&ks8695_lock);
/* disable timer0 */
tmcon = __raw_readl(KS8695_TMR_VA + KS8695_TMCON);
__raw_writel(tmcon & ~TMCON_T0EN, KS8695_TMR_VA + KS8695_TMCON);
+ spin_unlock(&ks8695_lock);
}
/*
* Enable and reset the watchdog.
*/
-static void inline ks8695_wdt_start(void)
+static inline void ks8695_wdt_start(void)
{
unsigned long tmcon;
unsigned long tval = wdt_time * CLOCK_TICK_RATE;
+ spin_lock(&ks8695_lock);
/* disable timer0 */
tmcon = __raw_readl(KS8695_TMR_VA + KS8695_TMCON);
__raw_writel(tmcon & ~TMCON_T0EN, KS8695_TMR_VA + KS8695_TMCON);
@@ -73,19 +79,22 @@ static void inline ks8695_wdt_start(void)
/* re-enable timer0 */
tmcon = __raw_readl(KS8695_TMR_VA + KS8695_TMCON);
__raw_writel(tmcon | TMCON_T0EN, KS8695_TMR_VA + KS8695_TMCON);
+ spin_unlock(&ks8695_lock);
}
/*
* Reload the watchdog timer. (ie, pat the watchdog)
*/
-static void inline ks8695_wdt_reload(void)
+static inline void ks8695_wdt_reload(void)
{
unsigned long tmcon;
+ spin_lock(&ks8695_lock);
/* disable, then re-enable timer0 */
tmcon = __raw_readl(KS8695_TMR_VA + KS8695_TMCON);
__raw_writel(tmcon & ~TMCON_T0EN, KS8695_TMR_VA + KS8695_TMCON);
__raw_writel(tmcon | TMCON_T0EN, KS8695_TMR_VA + KS8695_TMCON);
+ spin_unlock(&ks8695_lock);
}
/*
@@ -102,7 +111,8 @@ static int ks8695_wdt_settimeout(int new_time)
if ((new_time <= 0) || (new_time > WDT_MAX_TIME))
return -EINVAL;
- /* Set new watchdog time. It will be used when ks8695_wdt_start() is called. */
+ /* Set new watchdog time. It will be used when
+ ks8695_wdt_start() is called. */
wdt_time = new_time;
return 0;
}
@@ -128,9 +138,9 @@ static int ks8695_wdt_open(struct inode *inode, struct file *file)
*/
static int ks8695_wdt_close(struct inode *inode, struct file *file)
{
+ /* Disable the watchdog when file is closed */
if (!nowayout)
- ks8695_wdt_stop(); /* Disable the watchdog when file is closed */
-
+ ks8695_wdt_stop();
clear_bit(0, &ks8695wdt_busy);
return 0;
}
@@ -143,60 +153,52 @@ static struct watchdog_info ks8695_wdt_info = {
/*
* Handle commands from user-space.
*/
-static int ks8695_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long ks8695_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
int new_value;
- switch(cmd) {
- case WDIOC_KEEPALIVE:
- ks8695_wdt_reload(); /* pat the watchdog */
- return 0;
-
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ks8695_wdt_info, sizeof(ks8695_wdt_info)) ? -EFAULT : 0;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(new_value, p))
- return -EFAULT;
-
- if (ks8695_wdt_settimeout(new_value))
- return -EINVAL;
-
- /* Enable new time value */
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ks8695_wdt_info,
+ sizeof(ks8695_wdt_info)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_SETOPTIONS:
+ if (get_user(new_value, p))
+ return -EFAULT;
+ if (new_value & WDIOS_DISABLECARD)
+ ks8695_wdt_stop();
+ if (new_value & WDIOS_ENABLECARD)
ks8695_wdt_start();
-
- /* Return current value */
- return put_user(wdt_time, p);
-
- case WDIOC_GETTIMEOUT:
- return put_user(wdt_time, p);
-
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
-
- case WDIOC_SETOPTIONS:
- if (get_user(new_value, p))
- return -EFAULT;
-
- if (new_value & WDIOS_DISABLECARD)
- ks8695_wdt_stop();
- if (new_value & WDIOS_ENABLECARD)
- ks8695_wdt_start();
- return 0;
-
- default:
- return -ENOTTY;
+ return 0;
+ case WDIOC_KEEPALIVE:
+ ks8695_wdt_reload(); /* pat the watchdog */
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_value, p))
+ return -EFAULT;
+ if (ks8695_wdt_settimeout(new_value))
+ return -EINVAL;
+ /* Enable new time value */
+ ks8695_wdt_start();
+ /* Return current value */
+ return put_user(wdt_time, p);
+ case WDIOC_GETTIMEOUT:
+ return put_user(wdt_time, p);
+ default:
+ return -ENOTTY;
}
}
/*
* Pat the watchdog whenever device is written to.
*/
-static ssize_t ks8695_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
+static ssize_t ks8695_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
{
ks8695_wdt_reload(); /* pat the watchdog */
return len;
@@ -207,7 +209,7 @@ static ssize_t ks8695_wdt_write(struct file *file, const char *data, size_t len,
static const struct file_operations ks8695wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
- .ioctl = ks8695_wdt_ioctl,
+ .unlocked_ioctl = ks8695_wdt_ioctl,
.open = ks8695_wdt_open,
.release = ks8695_wdt_close,
.write = ks8695_wdt_write,
@@ -231,7 +233,8 @@ static int __init ks8695wdt_probe(struct platform_device *pdev)
if (res)
return res;
- printk("KS8695 Watchdog Timer enabled (%d seconds%s)\n", wdt_time, nowayout ? ", nowayout" : "");
+ printk(KERN_INFO "KS8695 Watchdog Timer enabled (%d seconds%s)\n",
+ wdt_time, nowayout ? ", nowayout" : "");
return 0;
}
@@ -285,12 +288,14 @@ static struct platform_driver ks8695wdt_driver = {
static int __init ks8695_wdt_init(void)
{
- /* Check that the heartbeat value is within range; if not reset to the default */
+ spin_lock_init(&ks8695_lock);
+ /* Check that the heartbeat value is within range;
+ if not reset to the default */
if (ks8695_wdt_settimeout(wdt_time)) {
ks8695_wdt_settimeout(WDT_DEFAULT_TIME);
- pr_info("ks8695_wdt: wdt_time value must be 1 <= wdt_time <= %i, using %d\n", wdt_time, WDT_MAX_TIME);
+ pr_info("ks8695_wdt: wdt_time value must be 1 <= wdt_time <= %i, using %d\n",
+ wdt_time, WDT_MAX_TIME);
}
-
return platform_driver_register(&ks8695wdt_driver);
}
diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c
index 6905135a776..2dfc27559bf 100644
--- a/drivers/watchdog/machzwd.c
+++ b/drivers/watchdog/machzwd.c
@@ -40,9 +40,9 @@
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
/* ports */
@@ -95,7 +95,9 @@ MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
#define PFX "machzwd"
@@ -114,7 +116,7 @@ static struct watchdog_info zf_info = {
* 3 = GEN_SCI
* defaults to GEN_RESET (0)
*/
-static int action = 0;
+static int action;
module_param(action, int, 0);
MODULE_PARM_DESC(action, "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI");
@@ -123,10 +125,9 @@ static void zf_ping(unsigned long data);
static int zf_action = GEN_RESET;
static unsigned long zf_is_open;
static char zf_expect_close;
-static DEFINE_SPINLOCK(zf_lock);
static DEFINE_SPINLOCK(zf_port_lock);
static DEFINE_TIMER(zf_timer, zf_ping, 0, 0);
-static unsigned long next_heartbeat = 0;
+static unsigned long next_heartbeat;
/* timeout for user land heart beat (10 seconds) */
@@ -171,13 +172,13 @@ static inline void zf_set_control(unsigned short new)
static inline void zf_set_timer(unsigned short new, unsigned char n)
{
- switch(n){
- case WD1:
- zf_writew(COUNTER_1, new);
- case WD2:
- zf_writeb(COUNTER_2, new > 0xff ? 0xff : new);
- default:
- return;
+ switch (n) {
+ case WD1:
+ zf_writew(COUNTER_1, new);
+ case WD2:
+ zf_writeb(COUNTER_2, new > 0xff ? 0xff : new);
+ default:
+ return;
}
}
@@ -241,10 +242,8 @@ static void zf_ping(unsigned long data)
zf_writeb(COUNTER_2, 0xff);
- if(time_before(jiffies, next_heartbeat)){
-
+ if (time_before(jiffies, next_heartbeat)) {
dprintk("time_before: %ld\n", next_heartbeat - jiffies);
-
/*
* reset event is activated by transition from 0 to 1 on
* RESET_WD1 bit and we assume that it is already zero...
@@ -261,24 +260,21 @@ static void zf_ping(unsigned long data)
spin_unlock_irqrestore(&zf_port_lock, flags);
mod_timer(&zf_timer, jiffies + ZF_HW_TIMEO);
- }else{
+ } else
printk(KERN_CRIT PFX ": I will reset your machine\n");
- }
}
static ssize_t zf_write(struct file *file, const char __user *buf, size_t count,
loff_t *ppos)
{
/* See if we got the magic character */
- if(count){
-
+ if (count) {
/*
* no need to check for close confirmation
* no way to disable watchdog ;)
*/
if (!nowayout) {
size_t ofs;
-
/*
* note: just in case someone wrote the magic character
* five months ago...
@@ -286,11 +282,11 @@ static ssize_t zf_write(struct file *file, const char __user *buf, size_t count,
zf_expect_close = 0;
/* now scan */
- for (ofs = 0; ofs != count; ofs++){
+ for (ofs = 0; ofs != count; ofs++) {
char c;
if (get_user(c, buf + ofs))
return -EFAULT;
- if (c == 'V'){
+ if (c == 'V') {
zf_expect_close = 42;
dprintk("zf_expect_close = 42\n");
}
@@ -303,14 +299,11 @@ static ssize_t zf_write(struct file *file, const char __user *buf, size_t count,
*/
next_heartbeat = jiffies + ZF_USER_TIMEO;
dprintk("user ping at %ld\n", jiffies);
-
}
-
return count;
}
-static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long zf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
@@ -319,55 +312,38 @@ static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
if (copy_to_user(argp, &zf_info, sizeof(zf_info)))
return -EFAULT;
break;
-
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
-
case WDIOC_KEEPALIVE:
zf_ping(0);
break;
-
default:
return -ENOTTY;
}
-
return 0;
}
static int zf_open(struct inode *inode, struct file *file)
{
- spin_lock(&zf_lock);
- if(test_and_set_bit(0, &zf_is_open)) {
- spin_unlock(&zf_lock);
+ if (test_and_set_bit(0, &zf_is_open))
return -EBUSY;
- }
-
if (nowayout)
__module_get(THIS_MODULE);
-
- spin_unlock(&zf_lock);
-
zf_timer_on();
-
return nonseekable_open(inode, file);
}
static int zf_close(struct inode *inode, struct file *file)
{
- if(zf_expect_close == 42){
+ if (zf_expect_close == 42)
zf_timer_off();
- } else {
+ else {
del_timer(&zf_timer);
printk(KERN_ERR PFX ": device file closed unexpectedly. Will not stop the WDT!\n");
}
-
- spin_lock(&zf_lock);
clear_bit(0, &zf_is_open);
- spin_unlock(&zf_lock);
-
zf_expect_close = 0;
-
return 0;
}
@@ -378,23 +354,18 @@ static int zf_close(struct inode *inode, struct file *file)
static int zf_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if(code == SYS_DOWN || code == SYS_HALT){
+ if (code == SYS_DOWN || code == SYS_HALT)
zf_timer_off();
- }
-
return NOTIFY_DONE;
}
-
-
-
static const struct file_operations zf_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = zf_write,
- .ioctl = zf_ioctl,
- .open = zf_open,
- .release = zf_close,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = zf_write,
+ .unlocked_ioctl = zf_ioctl,
+ .open = zf_open,
+ .release = zf_close,
};
static struct miscdevice zf_miscdev = {
@@ -402,7 +373,7 @@ static struct miscdevice zf_miscdev = {
.name = "watchdog",
.fops = &zf_fops,
};
-
+
/*
* The device needs to learn about soft shutdowns in order to
@@ -423,22 +394,23 @@ static int __init zf_init(void)
{
int ret;
- printk(KERN_INFO PFX ": MachZ ZF-Logic Watchdog driver initializing.\n");
+ printk(KERN_INFO PFX
+ ": MachZ ZF-Logic Watchdog driver initializing.\n");
ret = zf_get_ZFL_version();
- if ((!ret) || (ret == 0xffff)) {
+ if (!ret || ret == 0xffff) {
printk(KERN_WARNING PFX ": no ZF-Logic found\n");
return -ENODEV;
}
- if((action <= 3) && (action >= 0)){
- zf_action = zf_action>>action;
- } else
+ if (action <= 3 && action >= 0)
+ zf_action = zf_action >> action;
+ else
action = 0;
zf_show_action(action);
- if(!request_region(ZF_IOBASE, 3, "MachZ ZFL WDT")){
+ if (!request_region(ZF_IOBASE, 3, "MachZ ZFL WDT")) {
printk(KERN_ERR "cannot reserve I/O ports at %d\n",
ZF_IOBASE);
ret = -EBUSY;
@@ -446,14 +418,14 @@ static int __init zf_init(void)
}
ret = register_reboot_notifier(&zf_notifier);
- if(ret){
+ if (ret) {
printk(KERN_ERR "can't register reboot notifier (err=%d)\n",
ret);
goto no_reboot;
}
ret = misc_register(&zf_miscdev);
- if (ret){
+ if (ret) {
printk(KERN_ERR "can't misc_register on minor=%d\n",
WATCHDOG_MINOR);
goto no_misc;
diff --git a/drivers/watchdog/mixcomwd.c b/drivers/watchdog/mixcomwd.c
index 1adf1d56027..407b025cb10 100644
--- a/drivers/watchdog/mixcomwd.c
+++ b/drivers/watchdog/mixcomwd.c
@@ -29,7 +29,8 @@
* - support for one more type board
*
* Version 0.5 (2001/12/14) Matt Domsch <Matt_Domsch@dell.com>
- * - added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT
+ * - added nowayout module option to override
+ * CONFIG_WATCHDOG_NOWAYOUT
*
* Version 0.6 (2002/04/12): Rob Radez <rob@osinvestor.com>
* - make mixcomwd_opened unsigned,
@@ -53,8 +54,8 @@
#include <linux/init.h>
#include <linux/jiffies.h>
#include <linux/timer.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
/*
* We have two types of cards that can be probed:
@@ -108,18 +109,19 @@ static char expect_close;
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static void mixcomwd_ping(void)
{
- outb_p(55,watchdog_port);
+ outb_p(55, watchdog_port);
return;
}
static void mixcomwd_timerfun(unsigned long d)
{
mixcomwd_ping();
-
mod_timer(&mixcomwd_timer, jiffies + 5 * HZ);
}
@@ -129,22 +131,22 @@ static void mixcomwd_timerfun(unsigned long d)
static int mixcomwd_open(struct inode *inode, struct file *file)
{
- if(test_and_set_bit(0,&mixcomwd_opened)) {
+ if (test_and_set_bit(0, &mixcomwd_opened))
return -EBUSY;
- }
+
mixcomwd_ping();
- if (nowayout) {
+ if (nowayout)
/*
* fops_get() code via open() has already done
* a try_module_get() so it is safe to do the
* __module_get().
*/
__module_get(THIS_MODULE);
- } else {
- if(mixcomwd_timer_alive) {
+ else {
+ if (mixcomwd_timer_alive) {
del_timer(&mixcomwd_timer);
- mixcomwd_timer_alive=0;
+ mixcomwd_timer_alive = 0;
}
}
return nonseekable_open(inode, file);
@@ -153,26 +155,27 @@ static int mixcomwd_open(struct inode *inode, struct file *file)
static int mixcomwd_release(struct inode *inode, struct file *file)
{
if (expect_close == 42) {
- if(mixcomwd_timer_alive) {
- printk(KERN_ERR PFX "release called while internal timer alive");
+ if (mixcomwd_timer_alive) {
+ printk(KERN_ERR PFX
+ "release called while internal timer alive");
return -EBUSY;
}
- mixcomwd_timer_alive=1;
+ mixcomwd_timer_alive = 1;
mod_timer(&mixcomwd_timer, jiffies + 5 * HZ);
- } else {
- printk(KERN_CRIT PFX "WDT device closed unexpectedly. WDT will not stop!\n");
- }
+ } else
+ printk(KERN_CRIT PFX
+ "WDT device closed unexpectedly. WDT will not stop!\n");
- clear_bit(0,&mixcomwd_opened);
- expect_close=0;
+ clear_bit(0, &mixcomwd_opened);
+ expect_close = 0;
return 0;
}
-static ssize_t mixcomwd_write(struct file *file, const char __user *data, size_t len, loff_t *ppos)
+static ssize_t mixcomwd_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
{
- if(len)
- {
+ if (len) {
if (!nowayout) {
size_t i;
@@ -192,8 +195,8 @@ static ssize_t mixcomwd_write(struct file *file, const char __user *data, size_t
return len;
}
-static int mixcomwd_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long mixcomwd_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
@@ -204,32 +207,23 @@ static int mixcomwd_ioctl(struct inode *inode, struct file *file,
.identity = "MixCOM watchdog",
};
- switch(cmd)
- {
- case WDIOC_GETSTATUS:
- status=mixcomwd_opened;
- if (!nowayout) {
- status|=mixcomwd_timer_alive;
- }
- if (copy_to_user(p, &status, sizeof(int))) {
- return -EFAULT;
- }
- break;
- case WDIOC_GETBOOTSTATUS:
- if (copy_to_user(p, &status, sizeof(int))) {
- return -EFAULT;
- }
- break;
- case WDIOC_GETSUPPORT:
- if (copy_to_user(argp, &ident, sizeof(ident))) {
- return -EFAULT;
- }
- break;
- case WDIOC_KEEPALIVE:
- mixcomwd_ping();
- break;
- default:
- return -ENOTTY;
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ if (copy_to_user(argp, &ident, sizeof(ident)))
+ return -EFAULT;
+ break;
+ case WDIOC_GETSTATUS:
+ status = mixcomwd_opened;
+ if (!nowayout)
+ status |= mixcomwd_timer_alive;
+ return put_user(status, p);
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_KEEPALIVE:
+ mixcomwd_ping();
+ break;
+ default:
+ return -ENOTTY;
}
return 0;
}
@@ -238,7 +232,7 @@ static const struct file_operations mixcomwd_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = mixcomwd_write,
- .ioctl = mixcomwd_ioctl,
+ .unlocked_ioctl = mixcomwd_ioctl,
.open = mixcomwd_open,
.release = mixcomwd_release,
};
@@ -253,15 +247,14 @@ static int __init checkcard(int port, int card_id)
{
int id;
- if (!request_region(port, 1, "MixCOM watchdog")) {
+ if (!request_region(port, 1, "MixCOM watchdog"))
return 0;
- }
- id=inb_p(port);
- if (card_id==MIXCOM_ID)
+ id = inb_p(port);
+ if (card_id == MIXCOM_ID)
id &= 0x3f;
- if (id!=card_id) {
+ if (id != card_id) {
release_region(port, 1);
return 0;
}
@@ -270,9 +263,7 @@ static int __init checkcard(int port, int card_id)
static int __init mixcomwd_init(void)
{
- int i;
- int ret;
- int found=0;
+ int i, ret, found = 0;
for (i = 0; !found && mixcomwd_io_info[i].ioport != 0; i++) {
if (checkcard(mixcomwd_io_info[i].ioport,
@@ -283,20 +274,22 @@ static int __init mixcomwd_init(void)
}
if (!found) {
- printk(KERN_ERR PFX "No card detected, or port not available.\n");
+ printk(KERN_ERR PFX
+ "No card detected, or port not available.\n");
return -ENODEV;
}
ret = misc_register(&mixcomwd_miscdev);
- if (ret)
- {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ if (ret) {
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto error_misc_register_watchdog;
}
- printk(KERN_INFO "MixCOM watchdog driver v%s, watchdog port at 0x%3x\n",
- VERSION, watchdog_port);
+ printk(KERN_INFO
+ "MixCOM watchdog driver v%s, watchdog port at 0x%3x\n",
+ VERSION, watchdog_port);
return 0;
@@ -309,15 +302,15 @@ error_misc_register_watchdog:
static void __exit mixcomwd_exit(void)
{
if (!nowayout) {
- if(mixcomwd_timer_alive) {
+ if (mixcomwd_timer_alive) {
printk(KERN_WARNING PFX "I quit now, hardware will"
" probably reboot!\n");
del_timer_sync(&mixcomwd_timer);
- mixcomwd_timer_alive=0;
+ mixcomwd_timer_alive = 0;
}
}
misc_deregister(&mixcomwd_miscdev);
- release_region(watchdog_port,1);
+ release_region(watchdog_port, 1);
}
module_init(mixcomwd_init);
diff --git a/drivers/watchdog/mpc5200_wdt.c b/drivers/watchdog/mpc5200_wdt.c
index 77c1c2ae2cc..db91892558f 100644
--- a/drivers/watchdog/mpc5200_wdt.c
+++ b/drivers/watchdog/mpc5200_wdt.c
@@ -5,7 +5,7 @@
#include <linux/io.h>
#include <linux/spinlock.h>
#include <linux/of_platform.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/mpc52xx.h>
@@ -57,7 +57,8 @@ static int mpc5200_wdt_start(struct mpc5200_wdt *wdt)
/* set timeout, with maximum prescaler */
out_be32(&wdt->regs->count, 0x0 | wdt->count);
/* enable watchdog */
- out_be32(&wdt->regs->mode, GPT_MODE_CE | GPT_MODE_WDT | GPT_MODE_MS_TIMER);
+ out_be32(&wdt->regs->mode, GPT_MODE_CE | GPT_MODE_WDT |
+ GPT_MODE_MS_TIMER);
spin_unlock(&wdt->io_lock);
return 0;
@@ -66,7 +67,8 @@ static int mpc5200_wdt_ping(struct mpc5200_wdt *wdt)
{
spin_lock(&wdt->io_lock);
/* writing A5 to OCPW resets the watchdog */
- out_be32(&wdt->regs->mode, 0xA5000000 | (0xffffff & in_be32(&wdt->regs->mode)));
+ out_be32(&wdt->regs->mode, 0xA5000000 |
+ (0xffffff & in_be32(&wdt->regs->mode)));
spin_unlock(&wdt->io_lock);
return 0;
}
@@ -92,8 +94,8 @@ static struct watchdog_info mpc5200_wdt_info = {
.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
.identity = "mpc5200 watchdog on GPT0",
};
-static int mpc5200_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long mpc5200_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
struct mpc5200_wdt *wdt = file->private_data;
int __user *data = (int __user *)arg;
@@ -103,7 +105,7 @@ static int mpc5200_wdt_ioctl(struct inode *inode, struct file *file,
switch (cmd) {
case WDIOC_GETSUPPORT:
ret = copy_to_user(data, &mpc5200_wdt_info,
- sizeof(mpc5200_wdt_info));
+ sizeof(mpc5200_wdt_info));
if (ret)
ret = -EFAULT;
break;
@@ -135,6 +137,7 @@ static int mpc5200_wdt_ioctl(struct inode *inode, struct file *file,
}
return ret;
}
+
static int mpc5200_wdt_open(struct inode *inode, struct file *file)
{
/* /dev/watchdog can only be opened once */
@@ -161,13 +164,14 @@ static int mpc5200_wdt_release(struct inode *inode, struct file *file)
static const struct file_operations mpc5200_wdt_fops = {
.owner = THIS_MODULE,
.write = mpc5200_wdt_write,
- .ioctl = mpc5200_wdt_ioctl,
+ .unlocked_ioctl = mpc5200_wdt_ioctl,
.open = mpc5200_wdt_open,
.release = mpc5200_wdt_release,
};
/* module operations */
-static int mpc5200_wdt_probe(struct of_device *op, const struct of_device_id *match)
+static int mpc5200_wdt_probe(struct of_device *op,
+ const struct of_device_id *match)
{
struct mpc5200_wdt *wdt;
int err;
@@ -215,9 +219,9 @@ static int mpc5200_wdt_probe(struct of_device *op, const struct of_device_id *ma
return 0;
iounmap(wdt->regs);
- out_release:
+out_release:
release_mem_region(wdt->mem.start, size);
- out_free:
+out_free:
kfree(wdt);
return err;
}
diff --git a/drivers/watchdog/mpc83xx_wdt.c b/drivers/watchdog/mpc83xx_wdt.c
deleted file mode 100644
index b16c5cd972e..00000000000
--- a/drivers/watchdog/mpc83xx_wdt.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * mpc83xx_wdt.c - MPC83xx watchdog userspace interface
- *
- * Authors: Dave Updegraff <dave@cray.org>
- * Kumar Gala <galak@kernel.crashing.org>
- * Attribution: from 83xx_wst: Florian Schirmer <jolt@tuxbox.org>
- * ..and from sc520_wdt
- *
- * Note: it appears that you can only actually ENABLE or DISABLE the thing
- * once after POR. Once enabled, you cannot disable, and vice versa.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/miscdevice.h>
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <linux/watchdog.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
-struct mpc83xx_wdt {
- __be32 res0;
- __be32 swcrr; /* System watchdog control register */
-#define SWCRR_SWTC 0xFFFF0000 /* Software Watchdog Time Count. */
-#define SWCRR_SWEN 0x00000004 /* Watchdog Enable bit. */
-#define SWCRR_SWRI 0x00000002 /* Software Watchdog Reset/Interrupt Select bit.*/
-#define SWCRR_SWPR 0x00000001 /* Software Watchdog Counter Prescale bit. */
- __be32 swcnr; /* System watchdog count register */
- u8 res1[2];
- __be16 swsrr; /* System watchdog service register */
- u8 res2[0xF0];
-};
-
-static struct mpc83xx_wdt __iomem *wd_base;
-
-static u16 timeout = 0xffff;
-module_param(timeout, ushort, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in ticks. (0<timeout<65536, default=65535");
-
-static int reset = 1;
-module_param(reset, bool, 0);
-MODULE_PARM_DESC(reset, "Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset");
-
-/*
- * We always prescale, but if someone really doesn't want to they can set this
- * to 0
- */
-static int prescale = 1;
-static unsigned int timeout_sec;
-
-static unsigned long wdt_is_open;
-static DEFINE_SPINLOCK(wdt_spinlock);
-
-static void mpc83xx_wdt_keepalive(void)
-{
- /* Ping the WDT */
- spin_lock(&wdt_spinlock);
- out_be16(&wd_base->swsrr, 0x556c);
- out_be16(&wd_base->swsrr, 0xaa39);
- spin_unlock(&wdt_spinlock);
-}
-
-static ssize_t mpc83xx_wdt_write(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos)
-{
- if (count)
- mpc83xx_wdt_keepalive();
- return count;
-}
-
-static int mpc83xx_wdt_open(struct inode *inode, struct file *file)
-{
- u32 tmp = SWCRR_SWEN;
- if (test_and_set_bit(0, &wdt_is_open))
- return -EBUSY;
-
- /* Once we start the watchdog we can't stop it */
- __module_get(THIS_MODULE);
-
- /* Good, fire up the show */
- if (prescale)
- tmp |= SWCRR_SWPR;
- if (reset)
- tmp |= SWCRR_SWRI;
-
- tmp |= timeout << 16;
-
- out_be32(&wd_base->swcrr, tmp);
-
- return nonseekable_open(inode, file);
-}
-
-static int mpc83xx_wdt_release(struct inode *inode, struct file *file)
-{
- printk(KERN_CRIT "Unexpected close, not stopping watchdog!\n");
- mpc83xx_wdt_keepalive();
- clear_bit(0, &wdt_is_open);
- return 0;
-}
-
-static int mpc83xx_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- void __user *argp = (void __user *)arg;
- int __user *p = argp;
- static struct watchdog_info ident = {
- .options = WDIOF_KEEPALIVEPING,
- .firmware_version = 1,
- .identity = "MPC83xx",
- };
-
- switch (cmd) {
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
- case WDIOC_KEEPALIVE:
- mpc83xx_wdt_keepalive();
- return 0;
- case WDIOC_GETTIMEOUT:
- return put_user(timeout_sec, p);
- default:
- return -ENOTTY;
- }
-}
-
-static const struct file_operations mpc83xx_wdt_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = mpc83xx_wdt_write,
- .ioctl = mpc83xx_wdt_ioctl,
- .open = mpc83xx_wdt_open,
- .release = mpc83xx_wdt_release,
-};
-
-static struct miscdevice mpc83xx_wdt_miscdev = {
- .minor = WATCHDOG_MINOR,
- .name = "watchdog",
- .fops = &mpc83xx_wdt_fops,
-};
-
-static int __devinit mpc83xx_wdt_probe(struct platform_device *dev)
-{
- struct resource *r;
- int ret;
- unsigned int *freq = dev->dev.platform_data;
-
- /* get a pointer to the register memory */
- r = platform_get_resource(dev, IORESOURCE_MEM, 0);
-
- if (!r) {
- ret = -ENODEV;
- goto err_out;
- }
-
- wd_base = ioremap(r->start, sizeof (struct mpc83xx_wdt));
-
- if (wd_base == NULL) {
- ret = -ENOMEM;
- goto err_out;
- }
-
- ret = misc_register(&mpc83xx_wdt_miscdev);
- if (ret) {
- printk(KERN_ERR "cannot register miscdev on minor=%d "
- "(err=%d)\n",
- WATCHDOG_MINOR, ret);
- goto err_unmap;
- }
-
- /* Calculate the timeout in seconds */
- if (prescale)
- timeout_sec = (timeout * 0x10000) / (*freq);
- else
- timeout_sec = timeout / (*freq);
-
- printk(KERN_INFO "WDT driver for MPC83xx initialized. "
- "mode:%s timeout=%d (%d seconds)\n",
- reset ? "reset":"interrupt", timeout, timeout_sec);
- return 0;
-
-err_unmap:
- iounmap(wd_base);
-err_out:
- return ret;
-}
-
-static int __devexit mpc83xx_wdt_remove(struct platform_device *dev)
-{
- misc_deregister(&mpc83xx_wdt_miscdev);
- iounmap(wd_base);
-
- return 0;
-}
-
-static struct platform_driver mpc83xx_wdt_driver = {
- .probe = mpc83xx_wdt_probe,
- .remove = __devexit_p(mpc83xx_wdt_remove),
- .driver = {
- .name = "mpc83xx_wdt",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init mpc83xx_wdt_init(void)
-{
- return platform_driver_register(&mpc83xx_wdt_driver);
-}
-
-static void __exit mpc83xx_wdt_exit(void)
-{
- platform_driver_unregister(&mpc83xx_wdt_driver);
-}
-
-module_init(mpc83xx_wdt_init);
-module_exit(mpc83xx_wdt_exit);
-
-MODULE_AUTHOR("Dave Updegraff, Kumar Gala");
-MODULE_DESCRIPTION("Driver for watchdog timer in MPC83xx uProcessor");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS("platform:mpc83xx_wdt");
diff --git a/drivers/watchdog/mpc8xx_wdt.c b/drivers/watchdog/mpc8xx_wdt.c
index 85b5734403a..1336425acf2 100644
--- a/drivers/watchdog/mpc8xx_wdt.c
+++ b/drivers/watchdog/mpc8xx_wdt.c
@@ -16,36 +16,35 @@
#include <linux/module.h>
#include <linux/watchdog.h>
#include <asm/8xx_immap.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#include <syslib/m8xx_wdt.h>
static unsigned long wdt_opened;
static int wdt_status;
+static spinlock_t wdt_lock;
static void mpc8xx_wdt_handler_disable(void)
{
volatile uint __iomem *piscr;
- piscr = (uint *)&((immap_t*)IMAP_ADDR)->im_sit.sit_piscr;
+ piscr = (uint *)&((immap_t *)IMAP_ADDR)->im_sit.sit_piscr;
if (!m8xx_has_internal_rtc)
m8xx_wdt_stop_timer();
else
out_be32(piscr, in_be32(piscr) & ~(PISCR_PIE | PISCR_PTE));
-
printk(KERN_NOTICE "mpc8xx_wdt: keep-alive handler deactivated\n");
}
static void mpc8xx_wdt_handler_enable(void)
{
volatile uint __iomem *piscr;
- piscr = (uint *)&((immap_t*)IMAP_ADDR)->im_sit.sit_piscr;
+ piscr = (uint *)&((immap_t *)IMAP_ADDR)->im_sit.sit_piscr;
if (!m8xx_has_internal_rtc)
m8xx_wdt_install_timer();
else
out_be32(piscr, in_be32(piscr) | PISCR_PIE | PISCR_PTE);
-
printk(KERN_NOTICE "mpc8xx_wdt: keep-alive handler activated\n");
}
@@ -53,37 +52,34 @@ static int mpc8xx_wdt_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(0, &wdt_opened))
return -EBUSY;
-
m8xx_wdt_reset();
mpc8xx_wdt_handler_disable();
-
return nonseekable_open(inode, file);
}
static int mpc8xx_wdt_release(struct inode *inode, struct file *file)
{
m8xx_wdt_reset();
-
#if !defined(CONFIG_WATCHDOG_NOWAYOUT)
mpc8xx_wdt_handler_enable();
#endif
-
clear_bit(0, &wdt_opened);
-
return 0;
}
-static ssize_t mpc8xx_wdt_write(struct file *file, const char *data, size_t len,
- loff_t * ppos)
+static ssize_t mpc8xx_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
{
- if (len)
+ if (len) {
+ spin_lock(&wdt_lock);
m8xx_wdt_reset();
-
+ spin_unlock(&wdt_lock);
+ }
return len;
}
-static int mpc8xx_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long mpc8xx_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int timeout;
static struct watchdog_info info = {
@@ -112,15 +108,19 @@ static int mpc8xx_wdt_ioctl(struct inode *inode, struct file *file,
return -EOPNOTSUPP;
case WDIOC_KEEPALIVE:
+ spin_lock(&wdt_lock);
m8xx_wdt_reset();
wdt_status |= WDIOF_KEEPALIVEPING;
+ spin_unlock(&wdt_lock);
break;
case WDIOC_SETTIMEOUT:
return -EOPNOTSUPP;
case WDIOC_GETTIMEOUT:
+ spin_lock(&wdt_lock);
timeout = m8xx_wdt_get_timeout();
+ spin_unlock(&wdt_lock);
if (put_user(timeout, (int *)arg))
return -EFAULT;
break;
@@ -136,7 +136,7 @@ static const struct file_operations mpc8xx_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = mpc8xx_wdt_write,
- .ioctl = mpc8xx_wdt_ioctl,
+ .unlocked_ioctl = mpc8xx_wdt_ioctl,
.open = mpc8xx_wdt_open,
.release = mpc8xx_wdt_release,
};
@@ -149,6 +149,7 @@ static struct miscdevice mpc8xx_wdt_miscdev = {
static int __init mpc8xx_wdt_init(void)
{
+ spin_lock_init(&wdt_lock);
return misc_register(&mpc8xx_wdt_miscdev);
}
diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
new file mode 100644
index 00000000000..f2094960e66
--- /dev/null
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -0,0 +1,316 @@
+/*
+ * mpc8xxx_wdt.c - MPC8xx/MPC83xx/MPC86xx watchdog userspace interface
+ *
+ * Authors: Dave Updegraff <dave@cray.org>
+ * Kumar Gala <galak@kernel.crashing.org>
+ * Attribution: from 83xx_wst: Florian Schirmer <jolt@tuxbox.org>
+ * ..and from sc520_wdt
+ * Copyright (c) 2008 MontaVista Software, Inc.
+ * Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * Note: it appears that you can only actually ENABLE or DISABLE the thing
+ * once after POR. Once enabled, you cannot disable, and vice versa.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/timer.h>
+#include <linux/miscdevice.h>
+#include <linux/of_platform.h>
+#include <linux/module.h>
+#include <linux/watchdog.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <sysdev/fsl_soc.h>
+
+struct mpc8xxx_wdt {
+ __be32 res0;
+ __be32 swcrr; /* System watchdog control register */
+#define SWCRR_SWTC 0xFFFF0000 /* Software Watchdog Time Count. */
+#define SWCRR_SWEN 0x00000004 /* Watchdog Enable bit. */
+#define SWCRR_SWRI 0x00000002 /* Software Watchdog Reset/Interrupt Select bit.*/
+#define SWCRR_SWPR 0x00000001 /* Software Watchdog Counter Prescale bit. */
+ __be32 swcnr; /* System watchdog count register */
+ u8 res1[2];
+ __be16 swsrr; /* System watchdog service register */
+ u8 res2[0xF0];
+};
+
+struct mpc8xxx_wdt_type {
+ int prescaler;
+ bool hw_enabled;
+};
+
+static struct mpc8xxx_wdt __iomem *wd_base;
+
+static u16 timeout = 0xffff;
+module_param(timeout, ushort, 0);
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in ticks. (0<timeout<65536, default=65535");
+
+static int reset = 1;
+module_param(reset, bool, 0);
+MODULE_PARM_DESC(reset,
+ "Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset");
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
+ "(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+/*
+ * We always prescale, but if someone really doesn't want to they can set this
+ * to 0
+ */
+static int prescale = 1;
+static unsigned int timeout_sec;
+
+static unsigned long wdt_is_open;
+static DEFINE_SPINLOCK(wdt_spinlock);
+
+static void mpc8xxx_wdt_keepalive(void)
+{
+ /* Ping the WDT */
+ spin_lock(&wdt_spinlock);
+ out_be16(&wd_base->swsrr, 0x556c);
+ out_be16(&wd_base->swsrr, 0xaa39);
+ spin_unlock(&wdt_spinlock);
+}
+
+static void mpc8xxx_wdt_timer_ping(unsigned long arg);
+static DEFINE_TIMER(wdt_timer, mpc8xxx_wdt_timer_ping, 0, 0);
+
+static void mpc8xxx_wdt_timer_ping(unsigned long arg)
+{
+ mpc8xxx_wdt_keepalive();
+ /* We're pinging it twice faster than needed, just to be sure. */
+ mod_timer(&wdt_timer, jiffies + HZ * timeout_sec / 2);
+}
+
+static void mpc8xxx_wdt_pr_warn(const char *msg)
+{
+ pr_crit("mpc8xxx_wdt: %s, expect the %s soon!\n", msg,
+ reset ? "reset" : "machine check exception");
+}
+
+static ssize_t mpc8xxx_wdt_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ if (count)
+ mpc8xxx_wdt_keepalive();
+ return count;
+}
+
+static int mpc8xxx_wdt_open(struct inode *inode, struct file *file)
+{
+ u32 tmp = SWCRR_SWEN;
+ if (test_and_set_bit(0, &wdt_is_open))
+ return -EBUSY;
+
+ /* Once we start the watchdog we can't stop it */
+ if (nowayout)
+ __module_get(THIS_MODULE);
+
+ /* Good, fire up the show */
+ if (prescale)
+ tmp |= SWCRR_SWPR;
+ if (reset)
+ tmp |= SWCRR_SWRI;
+
+ tmp |= timeout << 16;
+
+ out_be32(&wd_base->swcrr, tmp);
+
+ del_timer_sync(&wdt_timer);
+
+ return nonseekable_open(inode, file);
+}
+
+static int mpc8xxx_wdt_release(struct inode *inode, struct file *file)
+{
+ if (!nowayout)
+ mpc8xxx_wdt_timer_ping(0);
+ else
+ mpc8xxx_wdt_pr_warn("watchdog closed");
+ clear_bit(0, &wdt_is_open);
+ return 0;
+}
+
+static long mpc8xxx_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ void __user *argp = (void __user *)arg;
+ int __user *p = argp;
+ static struct watchdog_info ident = {
+ .options = WDIOF_KEEPALIVEPING,
+ .firmware_version = 1,
+ .identity = "MPC8xxx",
+ };
+
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_KEEPALIVE:
+ mpc8xxx_wdt_keepalive();
+ return 0;
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout_sec, p);
+ default:
+ return -ENOTTY;
+ }
+}
+
+static const struct file_operations mpc8xxx_wdt_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = mpc8xxx_wdt_write,
+ .unlocked_ioctl = mpc8xxx_wdt_ioctl,
+ .open = mpc8xxx_wdt_open,
+ .release = mpc8xxx_wdt_release,
+};
+
+static struct miscdevice mpc8xxx_wdt_miscdev = {
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &mpc8xxx_wdt_fops,
+};
+
+static int __devinit mpc8xxx_wdt_probe(struct of_device *ofdev,
+ const struct of_device_id *match)
+{
+ int ret;
+ struct device_node *np = ofdev->node;
+ struct mpc8xxx_wdt_type *wdt_type = match->data;
+ u32 freq = fsl_get_sys_freq();
+ bool enabled;
+
+ if (!freq || freq == -1)
+ return -EINVAL;
+
+ wd_base = of_iomap(np, 0);
+ if (!wd_base)
+ return -ENOMEM;
+
+ enabled = in_be32(&wd_base->swcrr) & SWCRR_SWEN;
+ if (!enabled && wdt_type->hw_enabled) {
+ pr_info("mpc8xxx_wdt: could not be enabled in software\n");
+ ret = -ENOSYS;
+ goto err_unmap;
+ }
+
+ /* Calculate the timeout in seconds */
+ if (prescale)
+ timeout_sec = (timeout * wdt_type->prescaler) / freq;
+ else
+ timeout_sec = timeout / freq;
+
+ pr_info("WDT driver for MPC8xxx initialized. mode:%s timeout=%d "
+ "(%d seconds)\n", reset ? "reset" : "interrupt", timeout,
+ timeout_sec);
+
+ /*
+ * If the watchdog was previously enabled or we're running on
+ * MPC8xxx, we should ping the wdt from the kernel until the
+ * userspace handles it.
+ */
+ if (enabled)
+ mpc8xxx_wdt_timer_ping(0);
+ return 0;
+err_unmap:
+ iounmap(wd_base);
+ wd_base = NULL;
+ return ret;
+}
+
+static int __devexit mpc8xxx_wdt_remove(struct of_device *ofdev)
+{
+ mpc8xxx_wdt_pr_warn("watchdog removed");
+ del_timer_sync(&wdt_timer);
+ misc_deregister(&mpc8xxx_wdt_miscdev);
+ iounmap(wd_base);
+
+ return 0;
+}
+
+static const struct of_device_id mpc8xxx_wdt_match[] = {
+ {
+ .compatible = "mpc83xx_wdt",
+ .data = &(struct mpc8xxx_wdt_type) {
+ .prescaler = 0x10000,
+ },
+ },
+ {
+ .compatible = "fsl,mpc8610-wdt",
+ .data = &(struct mpc8xxx_wdt_type) {
+ .prescaler = 0x10000,
+ .hw_enabled = true,
+ },
+ },
+ {
+ .compatible = "fsl,mpc823-wdt",
+ .data = &(struct mpc8xxx_wdt_type) {
+ .prescaler = 0x800,
+ },
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mpc8xxx_wdt_match);
+
+static struct of_platform_driver mpc8xxx_wdt_driver = {
+ .match_table = mpc8xxx_wdt_match,
+ .probe = mpc8xxx_wdt_probe,
+ .remove = __devexit_p(mpc8xxx_wdt_remove),
+ .driver = {
+ .name = "mpc8xxx_wdt",
+ .owner = THIS_MODULE,
+ },
+};
+
+/*
+ * We do wdt initialization in two steps: arch_initcall probes the wdt
+ * very early to start pinging the watchdog (misc devices are not yet
+ * available), and later module_init() just registers the misc device.
+ */
+static int __init mpc8xxx_wdt_init_late(void)
+{
+ int ret;
+
+ if (!wd_base)
+ return -ENODEV;
+
+ ret = misc_register(&mpc8xxx_wdt_miscdev);
+ if (ret) {
+ pr_err("cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
+ return ret;
+ }
+ return 0;
+}
+module_init(mpc8xxx_wdt_init_late);
+
+static int __init mpc8xxx_wdt_init(void)
+{
+ return of_register_platform_driver(&mpc8xxx_wdt_driver);
+}
+arch_initcall(mpc8xxx_wdt_init);
+
+static void __exit mpc8xxx_wdt_exit(void)
+{
+ of_unregister_platform_driver(&mpc8xxx_wdt_driver);
+}
+module_exit(mpc8xxx_wdt_exit);
+
+MODULE_AUTHOR("Dave Updegraff, Kumar Gala");
+MODULE_DESCRIPTION("Driver for watchdog timer in MPC8xx/MPC83xx/MPC86xx "
+ "uProcessors");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/mpcore_wdt.c b/drivers/watchdog/mpcore_wdt.c
index 009573b8149..2a9bfa81f9d 100644
--- a/drivers/watchdog/mpcore_wdt.c
+++ b/drivers/watchdog/mpcore_wdt.c
@@ -29,9 +29,9 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
+#include <linux/uaccess.h>
#include <asm/hardware/arm_twd.h>
-#include <asm/uaccess.h>
struct mpcore_wdt {
unsigned long timer_alive;
@@ -43,17 +43,20 @@ struct mpcore_wdt {
};
static struct platform_device *mpcore_wdt_dev;
-
extern unsigned int mpcore_timer_rate;
#define TIMER_MARGIN 60
static int mpcore_margin = TIMER_MARGIN;
module_param(mpcore_margin, int, 0);
-MODULE_PARM_DESC(mpcore_margin, "MPcore timer margin in seconds. (0<mpcore_margin<65536, default=" __MODULE_STRING(TIMER_MARGIN) ")");
+MODULE_PARM_DESC(mpcore_margin,
+ "MPcore timer margin in seconds. (0 < mpcore_margin < 65536, default="
+ __MODULE_STRING(TIMER_MARGIN) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
#define ONLY_TESTING 0
static int mpcore_noboot = ONLY_TESTING;
@@ -70,14 +73,12 @@ static irqreturn_t mpcore_wdt_fire(int irq, void *arg)
/* Check it really was our interrupt */
if (readl(wdt->base + TWD_WDOG_INTSTAT)) {
- dev_printk(KERN_CRIT, wdt->dev, "Triggered - Reboot ignored.\n");
-
+ dev_printk(KERN_CRIT, wdt->dev,
+ "Triggered - Reboot ignored.\n");
/* Clear the interrupt on the watchdog */
writel(1, wdt->base + TWD_WDOG_INTSTAT);
-
return IRQ_HANDLED;
}
-
return IRQ_NONE;
}
@@ -96,22 +97,26 @@ static void mpcore_wdt_keepalive(struct mpcore_wdt *wdt)
count = (mpcore_timer_rate / 256) * mpcore_margin;
/* Reload the counter */
+ spin_lock(&wdt_lock);
writel(count + wdt->perturb, wdt->base + TWD_WDOG_LOAD);
-
wdt->perturb = wdt->perturb ? 0 : 1;
+ spin_unlock(&wdt_lock);
}
static void mpcore_wdt_stop(struct mpcore_wdt *wdt)
{
+ spin_lock(&wdt_lock);
writel(0x12345678, wdt->base + TWD_WDOG_DISABLE);
writel(0x87654321, wdt->base + TWD_WDOG_DISABLE);
writel(0x0, wdt->base + TWD_WDOG_CONTROL);
+ spin_unlock(&wdt_lock);
}
static void mpcore_wdt_start(struct mpcore_wdt *wdt)
{
dev_printk(KERN_INFO, wdt->dev, "enabling watchdog.\n");
+ spin_lock(&wdt_lock);
/* This loads the count register but does NOT start the count yet */
mpcore_wdt_keepalive(wdt);
@@ -122,6 +127,7 @@ static void mpcore_wdt_start(struct mpcore_wdt *wdt)
/* Enable watchdog - prescale=256, watchdog mode=1, enable=1 */
writel(0x0000FF09, wdt->base + TWD_WDOG_CONTROL);
}
+ spin_unlock(&wdt_lock);
}
static int mpcore_wdt_set_heartbeat(int t)
@@ -164,10 +170,11 @@ static int mpcore_wdt_release(struct inode *inode, struct file *file)
* Shut off the timer.
* Lock it in if it's a module and we set nowayout
*/
- if (wdt->expect_close == 42) {
+ if (wdt->expect_close == 42)
mpcore_wdt_stop(wdt);
- } else {
- dev_printk(KERN_CRIT, wdt->dev, "unexpected close, not stopping watchdog!\n");
+ else {
+ dev_printk(KERN_CRIT, wdt->dev,
+ "unexpected close, not stopping watchdog!\n");
mpcore_wdt_keepalive(wdt);
}
clear_bit(0, &wdt->timer_alive);
@@ -175,7 +182,8 @@ static int mpcore_wdt_release(struct inode *inode, struct file *file)
return 0;
}
-static ssize_t mpcore_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
+static ssize_t mpcore_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
{
struct mpcore_wdt *wdt = file->private_data;
@@ -210,8 +218,8 @@ static struct watchdog_info ident = {
.identity = "MPcore Watchdog",
};
-static int mpcore_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long mpcore_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
struct mpcore_wdt *wdt = file->private_data;
int ret;
@@ -235,6 +243,12 @@ static int mpcore_wdt_ioctl(struct inode *inode, struct file *file,
ret = 0;
break;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ uarg.i = 0;
+ ret = 0;
+ break;
+
case WDIOC_SETOPTIONS:
ret = -EINVAL;
if (uarg.i & WDIOS_DISABLECARD) {
@@ -247,12 +261,6 @@ static int mpcore_wdt_ioctl(struct inode *inode, struct file *file,
}
break;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- uarg.i = 0;
- ret = 0;
- break;
-
case WDIOC_KEEPALIVE:
mpcore_wdt_keepalive(wdt);
ret = 0;
@@ -301,7 +309,7 @@ static const struct file_operations mpcore_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = mpcore_wdt_write,
- .ioctl = mpcore_wdt_ioctl,
+ .unlocked_ioctl = mpcore_wdt_ioctl,
.open = mpcore_wdt_open,
.release = mpcore_wdt_release,
};
@@ -349,14 +357,17 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev)
mpcore_wdt_miscdev.parent = &dev->dev;
ret = misc_register(&mpcore_wdt_miscdev);
if (ret) {
- dev_printk(KERN_ERR, _dev, "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ dev_printk(KERN_ERR, _dev,
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto err_misc;
}
- ret = request_irq(wdt->irq, mpcore_wdt_fire, IRQF_DISABLED, "mpcore_wdt", wdt);
+ ret = request_irq(wdt->irq, mpcore_wdt_fire, IRQF_DISABLED,
+ "mpcore_wdt", wdt);
if (ret) {
- dev_printk(KERN_ERR, _dev, "cannot register IRQ%d for watchdog\n", wdt->irq);
+ dev_printk(KERN_ERR, _dev,
+ "cannot register IRQ%d for watchdog\n", wdt->irq);
goto err_irq;
}
@@ -366,13 +377,13 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev)
return 0;
- err_irq:
+err_irq:
misc_deregister(&mpcore_wdt_miscdev);
- err_misc:
+err_misc:
iounmap(wdt->base);
- err_free:
+err_free:
kfree(wdt);
- err_out:
+err_out:
return ret;
}
@@ -415,7 +426,7 @@ static int __init mpcore_wdt_init(void)
*/
if (mpcore_wdt_set_heartbeat(mpcore_margin)) {
mpcore_wdt_set_heartbeat(TIMER_MARGIN);
- printk(KERN_INFO "mpcore_margin value must be 0<mpcore_margin<65536, using %d\n",
+ printk(KERN_INFO "mpcore_margin value must be 0 < mpcore_margin < 65536, using %d\n",
TIMER_MARGIN);
}
diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c
index a8e67383784..b4b7b0a4c11 100644
--- a/drivers/watchdog/mtx-1_wdt.c
+++ b/drivers/watchdog/mtx-1_wdt.c
@@ -1,7 +1,8 @@
/*
* Driver for the MTX-1 Watchdog.
*
- * (C) Copyright 2005 4G Systems <info@4g-systems.biz>, All Rights Reserved.
+ * (C) Copyright 2005 4G Systems <info@4g-systems.biz>,
+ * All Rights Reserved.
* http://www.4g-systems.biz
*
* (C) Copyright 2007 OpenWrt.org, Florian Fainelli <florian@openwrt.org>
@@ -46,12 +47,11 @@
#include <linux/jiffies.h>
#include <linux/watchdog.h>
#include <linux/platform_device.h>
-
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <linux/gpio.h>
#include <asm/mach-au1x00/au1000.h>
-#include <asm/gpio.h>
#define MTX1_WDT_INTERVAL (5 * HZ)
@@ -59,6 +59,7 @@ static int ticks = 100 * HZ;
static struct {
struct completion stop;
+ spinlock_t lock;
int running;
struct timer_list timer;
int queue;
@@ -71,6 +72,7 @@ static void mtx1_wdt_trigger(unsigned long unused)
{
u32 tmp;
+ spin_lock(&mtx1_wdt_device.lock);
if (mtx1_wdt_device.running)
ticks--;
/*
@@ -79,13 +81,13 @@ static void mtx1_wdt_trigger(unsigned long unused)
tmp = au_readl(GPIO2_DIR);
tmp = (tmp & ~(1 << mtx1_wdt_device.gpio)) |
((~tmp) & (1 << mtx1_wdt_device.gpio));
- au_writel (tmp, GPIO2_DIR);
+ au_writel(tmp, GPIO2_DIR);
if (mtx1_wdt_device.queue && ticks)
mod_timer(&mtx1_wdt_device.timer, jiffies + MTX1_WDT_INTERVAL);
- else {
+ else
complete(&mtx1_wdt_device.stop);
- }
+ spin_unlock(&mtx1_wdt_device.lock);
}
static void mtx1_wdt_reset(void)
@@ -96,23 +98,25 @@ static void mtx1_wdt_reset(void)
static void mtx1_wdt_start(void)
{
+ spin_lock_irqsave(&mtx1_wdt_device.lock, flags);
if (!mtx1_wdt_device.queue) {
mtx1_wdt_device.queue = 1;
gpio_set_value(mtx1_wdt_device.gpio, 1);
mod_timer(&mtx1_wdt_device.timer, jiffies + MTX1_WDT_INTERVAL);
}
mtx1_wdt_device.running++;
+ spin_unlock_irqrestore(&mtx1_wdt_device.lock, flags);
}
static int mtx1_wdt_stop(void)
{
+ spin_lock_irqsave(&mtx1_wdt_device.lock, flags);
if (mtx1_wdt_device.queue) {
mtx1_wdt_device.queue = 0;
gpio_set_value(mtx1_wdt_device.gpio, 0);
}
-
ticks = mtx1_wdt_device.default_ticks;
-
+ spin_unlock_irqrestore(&mtx1_wdt_device.lock, flags);
return 0;
}
@@ -122,7 +126,6 @@ static int mtx1_wdt_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(0, &mtx1_wdt_device.inuse))
return -EBUSY;
-
return nonseekable_open(inode, file);
}
@@ -133,54 +136,51 @@ static int mtx1_wdt_release(struct inode *inode, struct file *file)
return 0;
}
-static int mtx1_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long mtx1_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = (void __user *)arg;
+ int __user *p = (int __user *)argp;
unsigned int value;
- static struct watchdog_info ident =
- {
+ static const struct watchdog_info ident = {
.options = WDIOF_CARDRESET,
.identity = "MTX-1 WDT",
};
- switch(cmd) {
- case WDIOC_KEEPALIVE:
- mtx1_wdt_reset();
- break;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- if ( copy_to_user(argp, &value, sizeof(int)) )
- return -EFAULT;
- break;
- case WDIOC_GETSUPPORT:
- if ( copy_to_user(argp, &ident, sizeof(ident)) )
- return -EFAULT;
- break;
- case WDIOC_SETOPTIONS:
- if ( copy_from_user(&value, argp, sizeof(int)) )
- return -EFAULT;
- switch(value) {
- case WDIOS_ENABLECARD:
- mtx1_wdt_start();
- break;
- case WDIOS_DISABLECARD:
- return mtx1_wdt_stop();
- default:
- return -EINVAL;
- }
- break;
- default:
- return -ENOTTY;
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ if (copy_to_user(argp, &ident, sizeof(ident)))
+ return -EFAULT;
+ break;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ put_user(0, p);
+ break;
+ case WDIOC_SETOPTIONS:
+ if (get_user(value, p))
+ return -EFAULT;
+ if (value & WDIOS_ENABLECARD)
+ mtx1_wdt_start();
+ else if (value & WDIOS_DISABLECARD)
+ mtx1_wdt_stop();
+ else
+ return -EINVAL;
+ return 0;
+ case WDIOC_KEEPALIVE:
+ mtx1_wdt_reset();
+ break;
+ default:
+ return -ENOTTY;
}
return 0;
}
-static ssize_t mtx1_wdt_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
+static ssize_t mtx1_wdt_write(struct file *file, const char *buf,
+ size_t count, loff_t *ppos)
{
if (!count)
return -EIO;
-
mtx1_wdt_reset();
return count;
}
@@ -188,17 +188,17 @@ static ssize_t mtx1_wdt_write(struct file *file, const char *buf, size_t count,
static const struct file_operations mtx1_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
- .ioctl = mtx1_wdt_ioctl,
+ .unlocked_ioctl = mtx1_wdt_ioctl,
.open = mtx1_wdt_open,
.write = mtx1_wdt_write,
- .release = mtx1_wdt_release
+ .release = mtx1_wdt_release,
};
static struct miscdevice mtx1_wdt_misc = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
- .fops = &mtx1_wdt_fops
+ .fops = &mtx1_wdt_fops,
};
@@ -208,29 +208,26 @@ static int mtx1_wdt_probe(struct platform_device *pdev)
mtx1_wdt_device.gpio = pdev->resource[0].start;
- if ((ret = misc_register(&mtx1_wdt_misc)) < 0) {
- printk(KERN_ERR " mtx-1_wdt : failed to register\n");
- return ret;
- }
-
+ spin_lock_init(&mtx1_wdt_device.lock);
init_completion(&mtx1_wdt_device.stop);
mtx1_wdt_device.queue = 0;
-
clear_bit(0, &mtx1_wdt_device.inuse);
-
setup_timer(&mtx1_wdt_device.timer, mtx1_wdt_trigger, 0L);
-
mtx1_wdt_device.default_ticks = ticks;
+ ret = misc_register(&mtx1_wdt_misc);
+ if (ret < 0) {
+ printk(KERN_ERR " mtx-1_wdt : failed to register\n");
+ return ret;
+ }
mtx1_wdt_start();
-
printk(KERN_INFO "MTX-1 Watchdog driver\n");
-
return 0;
}
static int mtx1_wdt_remove(struct platform_device *pdev)
{
+ /* FIXME: do we need to lock this test ? */
if (mtx1_wdt_device.queue) {
mtx1_wdt_device.queue = 0;
wait_for_completion(&mtx1_wdt_device.stop);
diff --git a/drivers/watchdog/mv64x60_wdt.c b/drivers/watchdog/mv64x60_wdt.c
index b59ca327396..acf589dc057 100644
--- a/drivers/watchdog/mv64x60_wdt.c
+++ b/drivers/watchdog/mv64x60_wdt.c
@@ -8,7 +8,7 @@
* and services the watchdog.
*
* Derived from mpc8xx_wdt.c, with the following copyright.
- *
+ *
* 2002 (c) Florian Schirmer <jolt@tuxbox.org> This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
@@ -22,10 +22,9 @@
#include <linux/module.h>
#include <linux/watchdog.h>
#include <linux/platform_device.h>
-
#include <linux/mv643xx.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#define MV64x60_WDT_WDC_OFFSET 0
@@ -61,7 +60,9 @@ static DEFINE_SPINLOCK(mv64x60_wdt_spinlock);
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static int mv64x60_wdt_toggle_wdc(int enabled_predicate, int field_shift)
{
@@ -150,7 +151,7 @@ static int mv64x60_wdt_release(struct inode *inode, struct file *file)
}
static ssize_t mv64x60_wdt_write(struct file *file, const char __user *data,
- size_t len, loff_t * ppos)
+ size_t len, loff_t *ppos)
{
if (len) {
if (!nowayout) {
@@ -160,7 +161,7 @@ static ssize_t mv64x60_wdt_write(struct file *file, const char __user *data,
for (i = 0; i != len; i++) {
char c;
- if(get_user(c, data + i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
@@ -172,8 +173,8 @@ static ssize_t mv64x60_wdt_write(struct file *file, const char __user *data,
return len;
}
-static int mv64x60_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long mv64x60_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int timeout;
int options;
@@ -240,7 +241,7 @@ static const struct file_operations mv64x60_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = mv64x60_wdt_write,
- .ioctl = mv64x60_wdt_ioctl,
+ .unlocked_ioctl = mv64x60_wdt_ioctl,
.open = mv64x60_wdt_open,
.release = mv64x60_wdt_release,
};
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 74bc39aa1ce..6f5420f478a 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -40,10 +40,9 @@
#include <linux/moduleparam.h>
#include <linux/clk.h>
#include <linux/bitops.h>
-
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/hardware.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <linux/hardware.h>
#include <asm/arch/prcm.h>
@@ -54,11 +53,12 @@ module_param(timer_margin, uint, 0);
MODULE_PARM_DESC(timer_margin, "initial watchdog timeout (in seconds)");
static int omap_wdt_users;
-static struct clk *armwdt_ck = NULL;
-static struct clk *mpu_wdt_ick = NULL;
-static struct clk *mpu_wdt_fck = NULL;
+static struct clk *armwdt_ck;
+static struct clk *mpu_wdt_ick;
+static struct clk *mpu_wdt_fck;
static unsigned int wdt_trgr_pattern = 0x1234;
+static spinlock_t wdt_lock;
static void omap_wdt_ping(void)
{
@@ -174,30 +174,29 @@ static int omap_wdt_release(struct inode *inode, struct file *file)
return 0;
}
-static ssize_t
-omap_wdt_write(struct file *file, const char __user *data,
+static ssize_t omap_wdt_write(struct file *file, const char __user *data,
size_t len, loff_t *ppos)
{
/* Refresh LOAD_TIME. */
- if (len)
+ if (len) {
+ spin_lock(&wdt_lock);
omap_wdt_ping();
+ spin_unlock(&wdt_lock);
+ }
return len;
}
-static int
-omap_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long omap_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int new_margin;
- static struct watchdog_info ident = {
+ static const struct watchdog_info ident = {
.identity = "OMAP Watchdog",
.options = WDIOF_SETTIMEOUT,
.firmware_version = 0,
};
switch (cmd) {
- default:
- return -ENOTTY;
case WDIOC_GETSUPPORT:
return copy_to_user((struct watchdog_info __user *)arg, &ident,
sizeof(ident));
@@ -211,28 +210,34 @@ omap_wdt_ioctl(struct inode *inode, struct file *file,
return put_user(omap_prcm_get_reset_sources(),
(int __user *)arg);
case WDIOC_KEEPALIVE:
+ spin_lock(&wdt_lock);
omap_wdt_ping();
+ spin_unlock(&wdt_lock);
return 0;
case WDIOC_SETTIMEOUT:
if (get_user(new_margin, (int __user *)arg))
return -EFAULT;
omap_wdt_adjust_timeout(new_margin);
+ spin_lock(&wdt_lock);
omap_wdt_disable();
omap_wdt_set_timeout();
omap_wdt_enable();
omap_wdt_ping();
+ spin_unlock(&wdt_lock);
/* Fall */
case WDIOC_GETTIMEOUT:
return put_user(timer_margin, (int __user *)arg);
+ default:
+ return -ENOTTY;
}
}
static const struct file_operations omap_wdt_fops = {
.owner = THIS_MODULE,
.write = omap_wdt_write,
- .ioctl = omap_wdt_ioctl,
+ .unlocked_ioctl = omap_wdt_ioctl,
.open = omap_wdt_open,
.release = omap_wdt_release,
};
@@ -240,7 +245,7 @@ static const struct file_operations omap_wdt_fops = {
static struct miscdevice omap_wdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
- .fops = &omap_wdt_fops
+ .fops = &omap_wdt_fops,
};
static int __init omap_wdt_probe(struct platform_device *pdev)
@@ -373,6 +378,7 @@ static struct platform_driver omap_wdt_driver = {
static int __init omap_wdt_init(void)
{
+ spin_lock_init(&wdt_lock);
return platform_driver_register(&omap_wdt_driver);
}
diff --git a/drivers/watchdog/pc87413_wdt.c b/drivers/watchdog/pc87413_wdt.c
index 15e4f8887a9..e91ada72da1 100644
--- a/drivers/watchdog/pc87413_wdt.c
+++ b/drivers/watchdog/pc87413_wdt.c
@@ -31,14 +31,14 @@
#include <linux/spinlock.h>
#include <linux/moduleparam.h>
#include <linux/version.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
/* #define DEBUG 1 */
-#define DEFAULT_TIMEOUT 1 /* 1 minute */
+#define DEFAULT_TIMEOUT 1 /* 1 minute */
#define MAX_TIMEOUT 255
#define VERSION "1.1"
@@ -46,22 +46,22 @@
#define PFX MODNAME ": "
#define DPFX MODNAME " - DEBUG: "
-#define WDT_INDEX_IO_PORT (io+0) /* I/O port base (index register) */
+#define WDT_INDEX_IO_PORT (io+0) /* I/O port base (index register) */
#define WDT_DATA_IO_PORT (WDT_INDEX_IO_PORT+1)
#define SWC_LDN 0x04
-#define SIOCFG2 0x22 /* Serial IO register */
-#define WDCTL 0x10 /* Watchdog-Timer-Controll-Register */
-#define WDTO 0x11 /* Watchdog timeout register */
-#define WDCFG 0x12 /* Watchdog config register */
+#define SIOCFG2 0x22 /* Serial IO register */
+#define WDCTL 0x10 /* Watchdog-Timer-Controll-Register */
+#define WDTO 0x11 /* Watchdog timeout register */
+#define WDCFG 0x12 /* Watchdog config register */
-static int io = 0x2E; /* Address used on Portwell Boards */
+static int io = 0x2E; /* Address used on Portwell Boards */
-static int timeout = DEFAULT_TIMEOUT; /* timeout value */
-static unsigned long timer_enabled = 0; /* is the timer enabled? */
+static int timeout = DEFAULT_TIMEOUT; /* timeout value */
+static unsigned long timer_enabled; /* is the timer enabled? */
-static char expect_close; /* is the close expected? */
+static char expect_close; /* is the close expected? */
-static DEFINE_SPINLOCK(io_lock);/* to guard the watchdog from io races */
+static DEFINE_SPINLOCK(io_lock); /* to guard us from io races */
static int nowayout = WATCHDOG_NOWAYOUT;
@@ -69,7 +69,7 @@ static int nowayout = WATCHDOG_NOWAYOUT;
/* Select pins for Watchdog output */
-static inline void pc87413_select_wdt_out (void)
+static inline void pc87413_select_wdt_out(void)
{
unsigned int cr_data = 0;
@@ -77,7 +77,7 @@ static inline void pc87413_select_wdt_out (void)
outb_p(SIOCFG2, WDT_INDEX_IO_PORT);
- cr_data = inb (WDT_DATA_IO_PORT);
+ cr_data = inb(WDT_DATA_IO_PORT);
cr_data |= 0x80; /* Set Bit7 to 1*/
outb_p(SIOCFG2, WDT_INDEX_IO_PORT);
@@ -85,8 +85,9 @@ static inline void pc87413_select_wdt_out (void)
outb_p(cr_data, WDT_DATA_IO_PORT);
#ifdef DEBUG
- printk(KERN_INFO DPFX "Select multiple pin,pin55,as WDT output:"
- " Bit7 to 1: %d\n", cr_data);
+ printk(KERN_INFO DPFX
+ "Select multiple pin,pin55,as WDT output: Bit7 to 1: %d\n",
+ cr_data);
#endif
}
@@ -94,18 +95,18 @@ static inline void pc87413_select_wdt_out (void)
static inline void pc87413_enable_swc(void)
{
- unsigned int cr_data=0;
+ unsigned int cr_data = 0;
/* Step 2: Enable SWC functions */
- outb_p(0x07, WDT_INDEX_IO_PORT); /* Point SWC_LDN (LDN=4) */
+ outb_p(0x07, WDT_INDEX_IO_PORT); /* Point SWC_LDN (LDN=4) */
outb_p(SWC_LDN, WDT_DATA_IO_PORT);
- outb_p(0x30, WDT_INDEX_IO_PORT); /* Read Index 0x30 First */
+ outb_p(0x30, WDT_INDEX_IO_PORT); /* Read Index 0x30 First */
cr_data = inb(WDT_DATA_IO_PORT);
- cr_data |= 0x01; /* Set Bit0 to 1 */
+ cr_data |= 0x01; /* Set Bit0 to 1 */
outb_p(0x30, WDT_INDEX_IO_PORT);
- outb_p(cr_data, WDT_DATA_IO_PORT); /* Index0x30_bit0P1 */
+ outb_p(cr_data, WDT_DATA_IO_PORT); /* Index0x30_bit0P1 */
#ifdef DEBUG
printk(KERN_INFO DPFX "pc87413 - Enable SWC functions\n");
@@ -121,20 +122,19 @@ static inline unsigned int pc87413_get_swc_base(void)
/* Step 3: Read SWC I/O Base Address */
- outb_p(0x60, WDT_INDEX_IO_PORT); /* Read Index 0x60 */
+ outb_p(0x60, WDT_INDEX_IO_PORT); /* Read Index 0x60 */
addr_h = inb(WDT_DATA_IO_PORT);
- outb_p(0x61, WDT_INDEX_IO_PORT); /* Read Index 0x61 */
+ outb_p(0x61, WDT_INDEX_IO_PORT); /* Read Index 0x61 */
addr_l = inb(WDT_DATA_IO_PORT);
swc_base_addr = (addr_h << 8) + addr_l;
-
#ifdef DEBUG
- printk(KERN_INFO DPFX "Read SWC I/O Base Address: low %d, high %d,"
- " res %d\n", addr_l, addr_h, swc_base_addr);
+ printk(KERN_INFO DPFX
+ "Read SWC I/O Base Address: low %d, high %d, res %d\n",
+ addr_l, addr_h, swc_base_addr);
#endif
-
return swc_base_addr;
}
@@ -143,9 +143,7 @@ static inline unsigned int pc87413_get_swc_base(void)
static inline void pc87413_swc_bank3(unsigned int swc_base_addr)
{
/* Step 4: Select Bank3 of SWC */
-
outb_p(inb(swc_base_addr + 0x0f) | 0x03, swc_base_addr + 0x0f);
-
#ifdef DEBUG
printk(KERN_INFO DPFX "Select Bank3 of SWC\n");
#endif
@@ -157,9 +155,7 @@ static inline void pc87413_programm_wdto(unsigned int swc_base_addr,
char pc87413_time)
{
/* Step 5: Programm WDTO, Twd. */
-
outb_p(pc87413_time, swc_base_addr + WDTO);
-
#ifdef DEBUG
printk(KERN_INFO DPFX "Set WDTO to %d minutes\n", pc87413_time);
#endif
@@ -170,9 +166,7 @@ static inline void pc87413_programm_wdto(unsigned int swc_base_addr,
static inline void pc87413_enable_wden(unsigned int swc_base_addr)
{
/* Step 6: Enable WDEN */
-
- outb_p(inb (swc_base_addr + WDCTL) | 0x01, swc_base_addr + WDCTL);
-
+ outb_p(inb(swc_base_addr + WDCTL) | 0x01, swc_base_addr + WDCTL);
#ifdef DEBUG
printk(KERN_INFO DPFX "Enable WDEN\n");
#endif
@@ -182,9 +176,7 @@ static inline void pc87413_enable_wden(unsigned int swc_base_addr)
static inline void pc87413_enable_sw_wd_tren(unsigned int swc_base_addr)
{
/* Enable SW_WD_TREN */
-
- outb_p(inb (swc_base_addr + WDCFG) | 0x80, swc_base_addr + WDCFG);
-
+ outb_p(inb(swc_base_addr + WDCFG) | 0x80, swc_base_addr + WDCFG);
#ifdef DEBUG
printk(KERN_INFO DPFX "Enable SW_WD_TREN\n");
#endif
@@ -195,9 +187,7 @@ static inline void pc87413_enable_sw_wd_tren(unsigned int swc_base_addr)
static inline void pc87413_disable_sw_wd_tren(unsigned int swc_base_addr)
{
/* Disable SW_WD_TREN */
-
- outb_p(inb (swc_base_addr + WDCFG) & 0x7f, swc_base_addr + WDCFG);
-
+ outb_p(inb(swc_base_addr + WDCFG) & 0x7f, swc_base_addr + WDCFG);
#ifdef DEBUG
printk(KERN_INFO DPFX "pc87413 - Disable SW_WD_TREN\n");
#endif
@@ -208,9 +198,7 @@ static inline void pc87413_disable_sw_wd_tren(unsigned int swc_base_addr)
static inline void pc87413_enable_sw_wd_trg(unsigned int swc_base_addr)
{
/* Enable SW_WD_TRG */
-
- outb_p(inb (swc_base_addr + WDCTL) | 0x80, swc_base_addr + WDCTL);
-
+ outb_p(inb(swc_base_addr + WDCTL) | 0x80, swc_base_addr + WDCTL);
#ifdef DEBUG
printk(KERN_INFO DPFX "pc87413 - Enable SW_WD_TRG\n");
#endif
@@ -221,9 +209,7 @@ static inline void pc87413_enable_sw_wd_trg(unsigned int swc_base_addr)
static inline void pc87413_disable_sw_wd_trg(unsigned int swc_base_addr)
{
/* Disable SW_WD_TRG */
-
- outb_p(inb (swc_base_addr + WDCTL) & 0x7f, swc_base_addr + WDCTL);
-
+ outb_p(inb(swc_base_addr + WDCTL) & 0x7f, swc_base_addr + WDCTL);
#ifdef DEBUG
printk(KERN_INFO DPFX "Disable SW_WD_TRG\n");
#endif
@@ -314,8 +300,8 @@ static int pc87413_open(struct inode *inode, struct file *file)
/* Reload and activate timer */
pc87413_refresh();
- printk(KERN_INFO MODNAME "Watchdog enabled. Timeout set to"
- " %d minute(s).\n", timeout);
+ printk(KERN_INFO MODNAME
+ "Watchdog enabled. Timeout set to %d minute(s).\n", timeout);
return nonseekable_open(inode, file);
}
@@ -338,17 +324,15 @@ static int pc87413_release(struct inode *inode, struct file *file)
if (expect_close == 42) {
pc87413_disable();
- printk(KERN_INFO MODNAME "Watchdog disabled,"
- " sleeping again...\n");
+ printk(KERN_INFO MODNAME
+ "Watchdog disabled, sleeping again...\n");
} else {
- printk(KERN_CRIT MODNAME "Unexpected close, not stopping"
- " watchdog!\n");
+ printk(KERN_CRIT MODNAME
+ "Unexpected close, not stopping watchdog!\n");
pc87413_refresh();
}
-
clear_bit(0, &timer_enabled);
expect_close = 0;
-
return 0;
}
@@ -386,10 +370,11 @@ static ssize_t pc87413_write(struct file *file, const char __user *data,
/* reset expect flag */
expect_close = 0;
- /* scan to see whether or not we got the magic character */
+ /* scan to see whether or not we got the
+ magic character */
for (i = 0; i != len; i++) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
@@ -404,7 +389,6 @@ static ssize_t pc87413_write(struct file *file, const char __user *data,
/**
* pc87413_ioctl:
- * @inode: inode of the device
* @file: file handle to the device
* @cmd: watchdog command
* @arg: argument pointer
@@ -414,8 +398,8 @@ static ssize_t pc87413_write(struct file *file, const char __user *data,
* querying capabilities and current status.
*/
-static int pc87413_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long pc87413_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int new_timeout;
@@ -426,75 +410,58 @@ static int pc87413_ioctl(struct inode *inode, struct file *file,
static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING |
- WDIOF_SETTIMEOUT |
- WDIOF_MAGICCLOSE,
+ WDIOF_SETTIMEOUT |
+ WDIOF_MAGICCLOSE,
.firmware_version = 1,
- .identity = "PC87413(HF/F) watchdog"
+ .identity = "PC87413(HF/F) watchdog",
};
uarg.i = (int __user *)arg;
- switch(cmd) {
- default:
- return -ENOTTY;
-
- case WDIOC_GETSUPPORT:
- return copy_to_user(uarg.ident, &ident,
- sizeof(ident)) ? -EFAULT : 0;
-
- case WDIOC_GETSTATUS:
- return put_user(pc87413_status(), uarg.i);
-
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, uarg.i);
-
- case WDIOC_KEEPALIVE:
- pc87413_refresh();
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(uarg.ident, &ident,
+ sizeof(ident)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ return put_user(pc87413_status(), uarg.i);
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, uarg.i);
+ case WDIOC_SETOPTIONS:
+ {
+ int options, retval = -EINVAL;
+ if (get_user(options, uarg.i))
+ return -EFAULT;
+ if (options & WDIOS_DISABLECARD) {
+ pc87413_disable();
+ retval = 0;
+ }
+ if (options & WDIOS_ENABLECARD) {
+ pc87413_enable();
+ retval = 0;
+ }
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ pc87413_refresh();
#ifdef DEBUG
- printk(KERN_INFO DPFX "keepalive\n");
+ printk(KERN_INFO DPFX "keepalive\n");
#endif
- return 0;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(new_timeout, uarg.i))
- return -EFAULT;
-
- // the API states this is given in secs
- new_timeout /= 60;
-
- if (new_timeout < 0 || new_timeout > MAX_TIMEOUT)
- return -EINVAL;
-
- timeout = new_timeout;
- pc87413_refresh();
-
- // fall through and return the new timeout...
-
- case WDIOC_GETTIMEOUT:
-
- new_timeout = timeout * 60;
-
- return put_user(new_timeout, uarg.i);
-
- case WDIOC_SETOPTIONS:
- {
- int options, retval = -EINVAL;
-
- if (get_user(options, uarg.i))
- return -EFAULT;
-
- if (options & WDIOS_DISABLECARD) {
- pc87413_disable();
- retval = 0;
- }
-
- if (options & WDIOS_ENABLECARD) {
- pc87413_enable();
- retval = 0;
- }
-
- return retval;
- }
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_timeout, uarg.i))
+ return -EFAULT;
+ /* the API states this is given in secs */
+ new_timeout /= 60;
+ if (new_timeout < 0 || new_timeout > MAX_TIMEOUT)
+ return -EINVAL;
+ timeout = new_timeout;
+ pc87413_refresh();
+ /* fall through and return the new timeout... */
+ case WDIOC_GETTIMEOUT:
+ new_timeout = timeout * 60;
+ return put_user(new_timeout, uarg.i);
+ default:
+ return -ENOTTY;
}
}
@@ -517,10 +484,8 @@ static int pc87413_notify_sys(struct notifier_block *this,
void *unused)
{
if (code == SYS_DOWN || code == SYS_HALT)
- {
/* Turn the card off */
pc87413_disable();
- }
return NOTIFY_DONE;
}
@@ -530,21 +495,19 @@ static const struct file_operations pc87413_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = pc87413_write,
- .ioctl = pc87413_ioctl,
+ .unlocked_ioctl = pc87413_ioctl,
.open = pc87413_open,
.release = pc87413_release,
};
-static struct notifier_block pc87413_notifier =
-{
+static struct notifier_block pc87413_notifier = {
.notifier_call = pc87413_notify_sys,
};
-static struct miscdevice pc87413_miscdev=
-{
+static struct miscdevice pc87413_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
- .fops = &pc87413_fops
+ .fops = &pc87413_fops,
};
/* -- Module init functions -------------------------------------*/
@@ -561,29 +524,26 @@ static int __init pc87413_init(void)
{
int ret;
- printk(KERN_INFO PFX "Version " VERSION " at io 0x%X\n", WDT_INDEX_IO_PORT);
+ printk(KERN_INFO PFX "Version " VERSION " at io 0x%X\n",
+ WDT_INDEX_IO_PORT);
/* request_region(io, 2, "pc87413"); */
ret = register_reboot_notifier(&pc87413_notifier);
if (ret != 0) {
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- ret);
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", ret);
}
ret = misc_register(&pc87413_miscdev);
-
if (ret != 0) {
printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
WATCHDOG_MINOR, ret);
unregister_reboot_notifier(&pc87413_notifier);
return ret;
}
-
printk(KERN_INFO PFX "initialized. timeout=%d min \n", timeout);
-
pc87413_enable();
-
return 0;
}
@@ -600,17 +560,16 @@ static int __init pc87413_init(void)
static void __exit pc87413_exit(void)
{
/* Stop the timer before we leave */
- if (!nowayout)
- {
+ if (!nowayout) {
pc87413_disable();
printk(KERN_INFO MODNAME "Watchdog disabled.\n");
}
misc_deregister(&pc87413_miscdev);
unregister_reboot_notifier(&pc87413_notifier);
- /* release_region(io,2); */
+ /* release_region(io, 2); */
- printk(MODNAME " watchdog component driver removed.\n");
+ printk(KERN_INFO MODNAME " watchdog component driver removed.\n");
}
module_init(pc87413_init);
@@ -626,8 +585,12 @@ module_param(io, int, 0);
MODULE_PARM_DESC(io, MODNAME " I/O port (default: " __MODULE_STRING(io) ").");
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in minutes (default=" __MODULE_STRING(timeout) ").");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in minutes (default="
+ __MODULE_STRING(timeout) ").");
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
diff --git a/drivers/watchdog/pcwd.c b/drivers/watchdog/pcwd.c
index 7b41434fac8..3b0ddc7fcf3 100644
--- a/drivers/watchdog/pcwd.c
+++ b/drivers/watchdog/pcwd.c
@@ -40,13 +40,15 @@
* fairly useless proc entry.
* 990610 removed said useless proc code for the merge <alan>
* 000403 Removed last traces of proc code. <davej>
- * 011214 Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT <Matt_Domsch@dell.com>
+ * 011214 Added nowayout module option to override
+ * CONFIG_WATCHDOG_NOWAYOUT <Matt_Domsch@dell.com>
* Added timeout module option to override default
*/
/*
* A bells and whistles driver is available from http://www.pcwd.de/
- * More info available at http://www.berkprod.com/ or http://www.pcwatchdog.com/
+ * More info available at http://www.berkprod.com/ or
+ * http://www.pcwatchdog.com/
*/
#include <linux/module.h> /* For module specific items */
@@ -65,9 +67,8 @@
#include <linux/isa.h> /* For isa devices */
#include <linux/ioport.h> /* For io-port access */
#include <linux/spinlock.h> /* For spin_lock/spin_unlock/... */
-
-#include <asm/uaccess.h> /* For copy_to_user/put_user/... */
-#include <asm/io.h> /* For inb/outb/... */
+#include <linux/uaccess.h> /* For copy_to_user/put_user/... */
+#include <linux/io.h> /* For inb/outb/... */
/* Module and version information */
#define WATCHDOG_VERSION "1.20"
@@ -111,14 +112,16 @@ static int pcwd_ioports[] = { 0x270, 0x350, 0x370, 0x000 };
#define WD_REVC_WTRP 0x01 /* Watchdog Trip status */
#define WD_REVC_HRBT 0x02 /* Watchdog Heartbeat */
#define WD_REVC_TTRP 0x04 /* Temperature Trip status */
-#define WD_REVC_RL2A 0x08 /* Relay 2 activated by on-board processor */
+#define WD_REVC_RL2A 0x08 /* Relay 2 activated by
+ on-board processor */
#define WD_REVC_RL1A 0x10 /* Relay 1 active */
#define WD_REVC_R2DS 0x40 /* Relay 2 disable */
#define WD_REVC_RLY2 0x80 /* Relay 2 activated? */
/* Port 2 : Control Status #2 */
#define WD_WDIS 0x10 /* Watchdog Disabled */
#define WD_ENTP 0x20 /* Watchdog Enable Temperature Trip */
-#define WD_SSEL 0x40 /* Watchdog Switch Select (1:SW1 <-> 0:SW2) */
+#define WD_SSEL 0x40 /* Watchdog Switch Select
+ (1:SW1 <-> 0:SW2) */
#define WD_WCMD 0x80 /* Watchdog Command Mode */
/* max. time we give an ISA watchdog card to process a command */
@@ -142,7 +145,7 @@ static int pcwd_ioports[] = { 0x270, 0x350, 0x370, 0x000 };
#define CMD_ISA_RESET_RELAYS 0x0D
/* Watchdog's Dip Switch heartbeat values */
-static const int heartbeat_tbl [] = {
+static const int heartbeat_tbl[] = {
20, /* OFF-OFF-OFF = 20 Sec */
40, /* OFF-OFF-ON = 40 Sec */
60, /* OFF-ON-OFF = 1 Min */
@@ -168,11 +171,15 @@ static int cards_found;
static atomic_t open_allowed = ATOMIC_INIT(1);
static char expect_close;
static int temp_panic;
-static struct { /* this is private data for each ISA-PC watchdog card */
+
+/* this is private data for each ISA-PC watchdog card */
+static struct {
char fw_ver_str[6]; /* The cards firmware version */
int revision; /* The card's revision */
- int supports_temp; /* Wether or not the card has a temperature device */
- int command_mode; /* Wether or not the card is in command mode */
+ int supports_temp; /* Whether or not the card has
+ a temperature device */
+ int command_mode; /* Whether or not the card is in
+ command mode */
int boot_status; /* The card's boot status */
int io_addr; /* The cards I/O address */
spinlock_t io_lock; /* the lock for io operations */
@@ -186,16 +193,20 @@ static struct { /* this is private data for each ISA-PC watchdog card */
#define DEBUG 2 /* print fancy stuff too */
static int debug = QUIET;
module_param(debug, int, 0);
-MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)");
+MODULE_PARM_DESC(debug,
+ "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)");
-#define WATCHDOG_HEARTBEAT 0 /* default heartbeat = delay-time from dip-switches */
+/* default heartbeat = delay-time from dip-switches */
+#define WATCHDOG_HEARTBEAT 0
static int heartbeat = WATCHDOG_HEARTBEAT;
module_param(heartbeat, int, 0);
-MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<=heartbeat<=7200 or 0=delay-time from dip-switches, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
+MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2 <= heartbeat <= 7200 or 0=delay-time from dip-switches, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Internal functions
@@ -224,7 +235,7 @@ static int send_isa_command(int cmd)
if (port0 == last_port0)
break; /* Data is stable */
- udelay (250);
+ udelay(250);
}
if (debug >= DEBUG)
@@ -236,7 +247,7 @@ static int send_isa_command(int cmd)
static int set_command_mode(void)
{
- int i, found=0, count=0;
+ int i, found = 0, count = 0;
/* Set the card into command mode */
spin_lock(&pcwd_private.io_lock);
@@ -261,7 +272,7 @@ static int set_command_mode(void)
printk(KERN_DEBUG PFX "command_mode=%d\n",
pcwd_private.command_mode);
- return(found);
+ return found;
}
static void unset_command_mode(void)
@@ -296,7 +307,8 @@ static inline void pcwd_get_firmware(void)
ten = send_isa_command(CMD_ISA_VERSION_TENTH);
hund = send_isa_command(CMD_ISA_VERSION_HUNDRETH);
minor = send_isa_command(CMD_ISA_VERSION_MINOR);
- sprintf(pcwd_private.fw_ver_str, "%c.%c%c%c", one, ten, hund, minor);
+ sprintf(pcwd_private.fw_ver_str, "%c.%c%c%c",
+ one, ten, hund, minor);
}
unset_command_mode();
@@ -305,7 +317,7 @@ static inline void pcwd_get_firmware(void)
static inline int pcwd_get_option_switches(void)
{
- int option_switches=0;
+ int option_switches = 0;
if (set_command_mode()) {
/* Get switch settings */
@@ -313,7 +325,7 @@ static inline int pcwd_get_option_switches(void)
}
unset_command_mode();
- return(option_switches);
+ return option_switches;
}
static void pcwd_show_card_info(void)
@@ -322,7 +334,9 @@ static void pcwd_show_card_info(void)
/* Get some extra info from the hardware (in command/debug/diag mode) */
if (pcwd_private.revision == PCWD_REVISION_A)
- printk(KERN_INFO PFX "ISA-PC Watchdog (REV.A) detected at port 0x%04x\n", pcwd_private.io_addr);
+ printk(KERN_INFO PFX
+ "ISA-PC Watchdog (REV.A) detected at port 0x%04x\n",
+ pcwd_private.io_addr);
else if (pcwd_private.revision == PCWD_REVISION_C) {
pcwd_get_firmware();
printk(KERN_INFO PFX "ISA-PC Watchdog (REV.C) detected at port 0x%04x (Firmware version: %s)\n",
@@ -347,12 +361,15 @@ static void pcwd_show_card_info(void)
printk(KERN_INFO PFX "Previous reboot was caused by the card\n");
if (pcwd_private.boot_status & WDIOF_OVERHEAT) {
- printk(KERN_EMERG PFX "Card senses a CPU Overheat. Panicking!\n");
- printk(KERN_EMERG PFX "CPU Overheat\n");
+ printk(KERN_EMERG PFX
+ "Card senses a CPU Overheat. Panicking!\n");
+ printk(KERN_EMERG PFX
+ "CPU Overheat\n");
}
if (pcwd_private.boot_status == 0)
- printk(KERN_INFO PFX "No previous trip detected - Cold boot or reset\n");
+ printk(KERN_INFO PFX
+ "No previous trip detected - Cold boot or reset\n");
}
static void pcwd_timer_ping(unsigned long data)
@@ -361,11 +378,12 @@ static void pcwd_timer_ping(unsigned long data)
/* If we got a heartbeat pulse within the WDT_INTERVAL
* we agree to ping the WDT */
- if(time_before(jiffies, pcwd_private.next_heartbeat)) {
+ if (time_before(jiffies, pcwd_private.next_heartbeat)) {
/* Ping the watchdog */
spin_lock(&pcwd_private.io_lock);
if (pcwd_private.revision == PCWD_REVISION_A) {
- /* Rev A cards are reset by setting the WD_WDRST bit in register 1 */
+ /* Rev A cards are reset by setting the
+ WD_WDRST bit in register 1 */
wdrst_stat = inb_p(pcwd_private.io_addr);
wdrst_stat &= 0x0F;
wdrst_stat |= WD_WDRST;
@@ -381,7 +399,8 @@ static void pcwd_timer_ping(unsigned long data)
spin_unlock(&pcwd_private.io_lock);
} else {
- printk(KERN_WARNING PFX "Heartbeat lost! Will not ping the watchdog\n");
+ printk(KERN_WARNING PFX
+ "Heartbeat lost! Will not ping the watchdog\n");
}
}
@@ -454,7 +473,7 @@ static int pcwd_keepalive(void)
static int pcwd_set_heartbeat(int t)
{
- if ((t < 2) || (t > 7200)) /* arbitrary upper limit */
+ if (t < 2 || t > 7200) /* arbitrary upper limit */
return -EINVAL;
heartbeat = t;
@@ -470,7 +489,7 @@ static int pcwd_get_status(int *status)
{
int control_status;
- *status=0;
+ *status = 0;
spin_lock(&pcwd_private.io_lock);
if (pcwd_private.revision == PCWD_REVISION_A)
/* Rev A cards return status information from
@@ -494,9 +513,9 @@ static int pcwd_get_status(int *status)
if (control_status & WD_T110) {
*status |= WDIOF_OVERHEAT;
if (temp_panic) {
- printk(KERN_INFO PFX "Temperature overheat trip!\n");
+ printk(KERN_INFO PFX
+ "Temperature overheat trip!\n");
kernel_power_off();
- /* or should we just do a: panic(PFX "Temperature overheat trip!\n"); */
}
}
} else {
@@ -506,9 +525,9 @@ static int pcwd_get_status(int *status)
if (control_status & WD_REVC_TTRP) {
*status |= WDIOF_OVERHEAT;
if (temp_panic) {
- printk(KERN_INFO PFX "Temperature overheat trip!\n");
+ printk(KERN_INFO PFX
+ "Temperature overheat trip!\n");
kernel_power_off();
- /* or should we just do a: panic(PFX "Temperature overheat trip!\n"); */
}
}
}
@@ -524,18 +543,21 @@ static int pcwd_clear_status(void)
spin_lock(&pcwd_private.io_lock);
if (debug >= VERBOSE)
- printk(KERN_INFO PFX "clearing watchdog trip status\n");
+ printk(KERN_INFO PFX
+ "clearing watchdog trip status\n");
control_status = inb_p(pcwd_private.io_addr + 1);
if (debug >= DEBUG) {
- printk(KERN_DEBUG PFX "status was: 0x%02x\n", control_status);
+ printk(KERN_DEBUG PFX "status was: 0x%02x\n",
+ control_status);
printk(KERN_DEBUG PFX "sending: 0x%02x\n",
(control_status & WD_REVC_R2DS));
}
/* clear reset status & Keep Relay 2 disable state as it is */
- outb_p((control_status & WD_REVC_R2DS), pcwd_private.io_addr + 1);
+ outb_p((control_status & WD_REVC_R2DS),
+ pcwd_private.io_addr + 1);
spin_unlock(&pcwd_private.io_lock);
}
@@ -572,8 +594,7 @@ static int pcwd_get_temperature(int *temperature)
* /dev/watchdog handling
*/
-static int pcwd_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long pcwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int rv;
int status;
@@ -590,12 +611,9 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
.identity = "PCWD",
};
- switch(cmd) {
- default:
- return -ENOTTY;
-
+ switch (cmd) {
case WDIOC_GETSUPPORT:
- if(copy_to_user(argp, &ident, sizeof(ident)))
+ if (copy_to_user(argp, &ident, sizeof(ident)))
return -EFAULT;
return 0;
@@ -613,25 +631,22 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
return put_user(temperature, argp);
case WDIOC_SETOPTIONS:
- if (pcwd_private.revision == PCWD_REVISION_C)
- {
- if(copy_from_user(&rv, argp, sizeof(int)))
+ if (pcwd_private.revision == PCWD_REVISION_C) {
+ if (get_user(rv, argp))
return -EFAULT;
- if (rv & WDIOS_DISABLECARD)
- {
- return pcwd_stop();
+ if (rv & WDIOS_DISABLECARD) {
+ status = pcwd_stop();
+ if (status < 0)
+ return status;
}
-
- if (rv & WDIOS_ENABLECARD)
- {
- return pcwd_start();
+ if (rv & WDIOS_ENABLECARD) {
+ status = pcwd_start();
+ if (status < 0)
+ return status;
}
-
if (rv & WDIOS_TEMPPANIC)
- {
temp_panic = 1;
- }
}
return -EINVAL;
@@ -651,6 +666,9 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETTIMEOUT:
return put_user(heartbeat, argp);
+
+ default:
+ return -ENOTTY;
}
return 0;
@@ -682,16 +700,10 @@ static ssize_t pcwd_write(struct file *file, const char __user *buf, size_t len,
static int pcwd_open(struct inode *inode, struct file *file)
{
- if (!atomic_dec_and_test(&open_allowed) ) {
- if (debug >= VERBOSE)
- printk(KERN_ERR PFX "Attempt to open already opened device.\n");
- atomic_inc( &open_allowed );
+ if (test_and_set_bit(0, &open_allowed))
return -EBUSY;
- }
-
if (nowayout)
__module_get(THIS_MODULE);
-
/* Activate */
pcwd_start();
pcwd_keepalive();
@@ -700,14 +712,15 @@ static int pcwd_open(struct inode *inode, struct file *file)
static int pcwd_close(struct inode *inode, struct file *file)
{
- if (expect_close == 42) {
+ if (expect_close == 42)
pcwd_stop();
- } else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ else {
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
pcwd_keepalive();
}
expect_close = 0;
- atomic_inc( &open_allowed );
+ clear_bit(0, &open_allowed);
return 0;
}
@@ -750,7 +763,7 @@ static const struct file_operations pcwd_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = pcwd_write,
- .ioctl = pcwd_ioctl,
+ .unlocked_ioctl = pcwd_ioctl,
.open = pcwd_open,
.release = pcwd_close,
};
@@ -788,7 +801,7 @@ static inline int get_revision(void)
* presumes a floating bus reads as 0xff. */
if ((inb(pcwd_private.io_addr + 2) == 0xFF) ||
(inb(pcwd_private.io_addr + 3) == 0xFF))
- r=PCWD_REVISION_A;
+ r = PCWD_REVISION_A;
spin_unlock(&pcwd_private.io_lock);
return r;
@@ -803,7 +816,7 @@ static inline int get_revision(void)
*/
static int __devinit pcwd_isa_match(struct device *dev, unsigned int id)
{
- int base_addr=pcwd_ioports[id];
+ int base_addr = pcwd_ioports[id];
int port0, last_port0; /* Reg 0, in case it's REV A */
int port1, last_port1; /* Register 1 for REV C cards */
int i;
@@ -813,7 +826,7 @@ static int __devinit pcwd_isa_match(struct device *dev, unsigned int id)
printk(KERN_DEBUG PFX "pcwd_isa_match id=%d\n",
id);
- if (!request_region (base_addr, 4, "PCWD")) {
+ if (!request_region(base_addr, 4, "PCWD")) {
printk(KERN_INFO PFX "Port 0x%04x unavailable\n", base_addr);
return 0;
}
@@ -842,7 +855,7 @@ static int __devinit pcwd_isa_match(struct device *dev, unsigned int id)
}
}
}
- release_region (base_addr, 4);
+ release_region(base_addr, 4);
return retval;
}
@@ -857,7 +870,8 @@ static int __devinit pcwd_isa_probe(struct device *dev, unsigned int id)
cards_found++;
if (cards_found == 1)
- printk(KERN_INFO PFX "v%s Ken Hollis (kenji@bitgate.com)\n", WD_VER);
+ printk(KERN_INFO PFX "v%s Ken Hollis (kenji@bitgate.com)\n",
+ WD_VER);
if (cards_found > 1) {
printk(KERN_ERR PFX "This driver only supports 1 device\n");
@@ -875,10 +889,11 @@ static int __devinit pcwd_isa_probe(struct device *dev, unsigned int id)
/* Check card's revision */
pcwd_private.revision = get_revision();
- if (!request_region(pcwd_private.io_addr, (pcwd_private.revision == PCWD_REVISION_A) ? 2 : 4, "PCWD")) {
+ if (!request_region(pcwd_private.io_addr,
+ (pcwd_private.revision == PCWD_REVISION_A) ? 2 : 4, "PCWD")) {
printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
pcwd_private.io_addr);
- ret=-EIO;
+ ret = -EIO;
goto error_request_region;
}
@@ -908,26 +923,30 @@ static int __devinit pcwd_isa_probe(struct device *dev, unsigned int id)
if (heartbeat == 0)
heartbeat = heartbeat_tbl[(pcwd_get_option_switches() & 0x07)];
- /* Check that the heartbeat value is within it's range ; if not reset to the default */
+ /* Check that the heartbeat value is within it's range;
+ if not reset to the default */
if (pcwd_set_heartbeat(heartbeat)) {
pcwd_set_heartbeat(WATCHDOG_HEARTBEAT);
- printk(KERN_INFO PFX "heartbeat value must be 2<=heartbeat<=7200, using %d\n",
- WATCHDOG_HEARTBEAT);
+ printk(KERN_INFO PFX
+ "heartbeat value must be 2 <= heartbeat <= 7200, using %d\n",
+ WATCHDOG_HEARTBEAT);
}
if (pcwd_private.supports_temp) {
ret = misc_register(&temp_miscdev);
if (ret) {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- TEMP_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ TEMP_MINOR, ret);
goto error_misc_register_temp;
}
}
ret = misc_register(&pcwd_miscdev);
if (ret) {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto error_misc_register_watchdog;
}
@@ -940,7 +959,8 @@ error_misc_register_watchdog:
if (pcwd_private.supports_temp)
misc_deregister(&temp_miscdev);
error_misc_register_temp:
- release_region(pcwd_private.io_addr, (pcwd_private.revision == PCWD_REVISION_A) ? 2 : 4);
+ release_region(pcwd_private.io_addr,
+ (pcwd_private.revision == PCWD_REVISION_A) ? 2 : 4);
error_request_region:
pcwd_private.io_addr = 0x0000;
cards_found--;
@@ -964,7 +984,8 @@ static int __devexit pcwd_isa_remove(struct device *dev, unsigned int id)
misc_deregister(&pcwd_miscdev);
if (pcwd_private.supports_temp)
misc_deregister(&temp_miscdev);
- release_region(pcwd_private.io_addr, (pcwd_private.revision == PCWD_REVISION_A) ? 2 : 4);
+ release_region(pcwd_private.io_addr,
+ (pcwd_private.revision == PCWD_REVISION_A) ? 2 : 4);
pcwd_private.io_addr = 0x0000;
cards_found--;
diff --git a/drivers/watchdog/pcwd_pci.c b/drivers/watchdog/pcwd_pci.c
index 61a89e95964..90eb1d4271d 100644
--- a/drivers/watchdog/pcwd_pci.c
+++ b/drivers/watchdog/pcwd_pci.c
@@ -46,9 +46,8 @@
#include <linux/pci.h> /* For pci functions */
#include <linux/ioport.h> /* For io-port access */
#include <linux/spinlock.h> /* For spin_lock/spin_unlock/... */
-
-#include <asm/uaccess.h> /* For copy_to_user/put_user/... */
-#include <asm/io.h> /* For inb/outb/... */
+#include <linux/uaccess.h> /* For copy_to_user/put_user/... */
+#include <linux/io.h> /* For inb/outb/... */
/* Module and version information */
#define WATCHDOG_VERSION "1.03"
@@ -97,7 +96,7 @@
#define CMD_GET_CLEAR_RESET_COUNT 0x84
/* Watchdog's Dip Switch heartbeat values */
-static const int heartbeat_tbl [] = {
+static const int heartbeat_tbl[] = {
5, /* OFF-OFF-OFF = 5 Sec */
10, /* OFF-OFF-ON = 10 Sec */
30, /* OFF-ON-OFF = 30 Sec */
@@ -220,11 +219,10 @@ static void pcipcwd_show_card_info(void)
int option_switches;
got_fw_rev = send_command(CMD_GET_FIRMWARE_VERSION, &fw_rev_major, &fw_rev_minor);
- if (got_fw_rev) {
+ if (got_fw_rev)
sprintf(fw_ver_str, "%u.%02u", fw_rev_major, fw_rev_minor);
- } else {
+ else
sprintf(fw_ver_str, "<card no answer>");
- }
/* Get switch settings */
option_switches = pcipcwd_get_option_switches();
@@ -331,7 +329,7 @@ static int pcipcwd_get_status(int *status)
{
int control_status;
- *status=0;
+ *status = 0;
control_status = inb_p(pcipcwd_private.io_addr + 1);
if (control_status & WD_PCI_WTRP)
*status |= WDIOF_CARDRESET;
@@ -369,8 +367,8 @@ static int pcipcwd_clear_status(void)
outb_p((control_status & WD_PCI_R2DS) | WD_PCI_WTRP, pcipcwd_private.io_addr + 1);
/* clear reset counter */
- msb=0;
- reset_counter=0xff;
+ msb = 0;
+ reset_counter = 0xff;
send_command(CMD_GET_CLEAR_RESET_COUNT, &msb, &reset_counter);
if (debug >= DEBUG) {
@@ -442,7 +440,7 @@ static ssize_t pcipcwd_write(struct file *file, const char __user *data,
/* scan to see whether or not we got the magic character */
for (i = 0; i != len; i++) {
char c;
- if(get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_release = 42;
@@ -455,8 +453,8 @@ static ssize_t pcipcwd_write(struct file *file, const char __user *data,
return len;
}
-static int pcipcwd_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long pcipcwd_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
@@ -471,92 +469,89 @@ static int pcipcwd_ioctl(struct inode *inode, struct file *file,
};
switch (cmd) {
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident,
- sizeof (ident)) ? -EFAULT : 0;
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+
+ case WDIOC_GETSTATUS:
+ {
+ int status;
+ pcipcwd_get_status(&status);
+ return put_user(status, p);
+ }
- case WDIOC_GETSTATUS:
- {
- int status;
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(pcipcwd_private.boot_status, p);
- pcipcwd_get_status(&status);
+ case WDIOC_GETTEMP:
+ {
+ int temperature;
- return put_user(status, p);
- }
+ if (pcipcwd_get_temperature(&temperature))
+ return -EFAULT;
- case WDIOC_GETBOOTSTATUS:
- return put_user(pcipcwd_private.boot_status, p);
+ return put_user(temperature, p);
+ }
- case WDIOC_GETTEMP:
- {
- int temperature;
+ case WDIOC_SETOPTIONS:
+ {
+ int new_options, retval = -EINVAL;
- if (pcipcwd_get_temperature(&temperature))
- return -EFAULT;
+ if (get_user(new_options, p))
+ return -EFAULT;
- return put_user(temperature, p);
+ if (new_options & WDIOS_DISABLECARD) {
+ if (pcipcwd_stop())
+ return -EIO;
+ retval = 0;
}
- case WDIOC_KEEPALIVE:
- pcipcwd_keepalive();
- return 0;
-
- case WDIOC_SETOPTIONS:
- {
- int new_options, retval = -EINVAL;
-
- if (get_user (new_options, p))
- return -EFAULT;
-
- if (new_options & WDIOS_DISABLECARD) {
- if (pcipcwd_stop())
- return -EIO;
- retval = 0;
- }
+ if (new_options & WDIOS_ENABLECARD) {
+ if (pcipcwd_start())
+ return -EIO;
+ retval = 0;
+ }
- if (new_options & WDIOS_ENABLECARD) {
- if (pcipcwd_start())
- return -EIO;
- retval = 0;
- }
+ if (new_options & WDIOS_TEMPPANIC) {
+ temp_panic = 1;
+ retval = 0;
+ }
- if (new_options & WDIOS_TEMPPANIC) {
- temp_panic = 1;
- retval = 0;
- }
+ return retval;
+ }
- return retval;
- }
+ case WDIOC_KEEPALIVE:
+ pcipcwd_keepalive();
+ return 0;
- case WDIOC_SETTIMEOUT:
- {
- int new_heartbeat;
+ case WDIOC_SETTIMEOUT:
+ {
+ int new_heartbeat;
- if (get_user(new_heartbeat, p))
- return -EFAULT;
+ if (get_user(new_heartbeat, p))
+ return -EFAULT;
- if (pcipcwd_set_heartbeat(new_heartbeat))
- return -EINVAL;
+ if (pcipcwd_set_heartbeat(new_heartbeat))
+ return -EINVAL;
- pcipcwd_keepalive();
- /* Fall */
- }
+ pcipcwd_keepalive();
+ /* Fall */
+ }
- case WDIOC_GETTIMEOUT:
- return put_user(heartbeat, p);
+ case WDIOC_GETTIMEOUT:
+ return put_user(heartbeat, p);
- case WDIOC_GETTIMELEFT:
- {
- int time_left;
+ case WDIOC_GETTIMELEFT:
+ {
+ int time_left;
- if (pcipcwd_get_timeleft(&time_left))
- return -EFAULT;
+ if (pcipcwd_get_timeleft(&time_left))
+ return -EFAULT;
- return put_user(time_left, p);
- }
+ return put_user(time_left, p);
+ }
- default:
- return -ENOTTY;
+ default:
+ return -ENOTTY;
}
}
@@ -603,7 +598,7 @@ static ssize_t pcipcwd_temp_read(struct file *file, char __user *data,
if (pcipcwd_get_temperature(&temperature))
return -EFAULT;
- if (copy_to_user (data, &temperature, 1))
+ if (copy_to_user(data, &temperature, 1))
return -EFAULT;
return 1;
@@ -628,10 +623,8 @@ static int pcipcwd_temp_release(struct inode *inode, struct file *file)
static int pcipcwd_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
{
- if (code==SYS_DOWN || code==SYS_HALT) {
- /* Turn the WDT off */
- pcipcwd_stop();
- }
+ if (code == SYS_DOWN || code == SYS_HALT)
+ pcipcwd_stop(); /* Turn the WDT off */
return NOTIFY_DONE;
}
@@ -644,7 +637,7 @@ static const struct file_operations pcipcwd_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = pcipcwd_write,
- .ioctl = pcipcwd_ioctl,
+ .unlocked_ioctl = pcipcwd_ioctl,
.open = pcipcwd_open,
.release = pcipcwd_release,
};
diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c
index bf443d077a1..c1685c942de 100644
--- a/drivers/watchdog/pcwd_usb.c
+++ b/drivers/watchdog/pcwd_usb.c
@@ -40,8 +40,7 @@
#include <linux/slab.h> /* For kmalloc, ... */
#include <linux/mutex.h> /* For mutex locking */
#include <linux/hid.h> /* For HID_REQ_SET_REPORT & HID_DT_REPORT */
-
-#include <asm/uaccess.h> /* For copy_to_user/put_user/... */
+#include <linux/uaccess.h> /* For copy_to_user/put_user/... */
#ifdef CONFIG_USB_DEBUG
@@ -88,7 +87,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" _
#define USB_PCWD_PRODUCT_ID 0x1140
/* table of devices that work with this driver */
-static struct usb_device_id usb_pcwd_table [] = {
+static struct usb_device_id usb_pcwd_table[] = {
{ USB_DEVICE(USB_PCWD_VENDOR_ID, USB_PCWD_PRODUCT_ID) },
{ } /* Terminating entry */
};
@@ -110,7 +109,7 @@ MODULE_DEVICE_TABLE (usb, usb_pcwd_table);
#define CMD_DISABLE_WATCHDOG CMD_ENABLE_WATCHDOG
/* Watchdog's Dip Switch heartbeat values */
-static const int heartbeat_tbl [] = {
+static const int heartbeat_tbl[] = {
5, /* OFF-OFF-OFF = 5 Sec */
10, /* OFF-OFF-ON = 10 Sec */
30, /* OFF-ON-OFF = 30 Sec */
@@ -130,15 +129,15 @@ static char expect_release;
/* Structure to hold all of our device specific stuff */
struct usb_pcwd_private {
- struct usb_device * udev; /* save off the usb device pointer */
- struct usb_interface * interface; /* the interface for this device */
+ struct usb_device *udev; /* save off the usb device pointer */
+ struct usb_interface *interface; /* the interface for this device */
unsigned int interface_number; /* the interface number used for cmd's */
- unsigned char * intr_buffer; /* the buffer to intr data */
+ unsigned char *intr_buffer; /* the buffer to intr data */
dma_addr_t intr_dma; /* the dma address for the intr buffer */
size_t intr_size; /* the size of the intr buffer */
- struct urb * intr_urb; /* the urb used for the intr pipe */
+ struct urb *intr_urb; /* the urb used for the intr pipe */
unsigned char cmd_command; /* The command that is reported back */
unsigned char cmd_data_msb; /* The data MSB that is reported back */
@@ -154,8 +153,8 @@ static struct usb_pcwd_private *usb_pcwd_device;
static DEFINE_MUTEX(disconnect_mutex);
/* local function prototypes */
-static int usb_pcwd_probe (struct usb_interface *interface, const struct usb_device_id *id);
-static void usb_pcwd_disconnect (struct usb_interface *interface);
+static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_device_id *id);
+static void usb_pcwd_disconnect(struct usb_interface *interface);
/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver usb_pcwd_driver = {
@@ -195,10 +194,10 @@ static void usb_pcwd_intr_done(struct urb *urb)
usb_pcwd->cmd_data_lsb = data[2];
/* notify anyone waiting that the cmd has finished */
- atomic_set (&usb_pcwd->cmd_received, 1);
+ atomic_set(&usb_pcwd->cmd_received, 1);
resubmit:
- retval = usb_submit_urb (urb, GFP_ATOMIC);
+ retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
printk(KERN_ERR PFX "can't resubmit intr, usb_submit_urb failed with result %d\n",
retval);
@@ -224,7 +223,7 @@ static int usb_pcwd_send_command(struct usb_pcwd_private *usb_pcwd, unsigned cha
dbg("sending following data cmd=0x%02x msb=0x%02x lsb=0x%02x",
buf[0], buf[1], buf[2]);
- atomic_set (&usb_pcwd->cmd_received, 0);
+ atomic_set(&usb_pcwd->cmd_received, 0);
if (usb_control_msg(usb_pcwd->udev, usb_sndctrlpipe(usb_pcwd->udev, 0),
HID_REQ_SET_REPORT, HID_DT_REPORT,
@@ -237,7 +236,7 @@ static int usb_pcwd_send_command(struct usb_pcwd_private *usb_pcwd, unsigned cha
got_response = 0;
for (count = 0; (count < USB_COMMAND_TIMEOUT) && (!got_response); count++) {
mdelay(1);
- if (atomic_read (&usb_pcwd->cmd_received))
+ if (atomic_read(&usb_pcwd->cmd_received))
got_response = 1;
}
@@ -356,7 +355,7 @@ static ssize_t usb_pcwd_write(struct file *file, const char __user *data,
/* scan to see whether or not we got the magic character */
for (i = 0; i != len; i++) {
char c;
- if(get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_release = 42;
@@ -369,8 +368,8 @@ static ssize_t usb_pcwd_write(struct file *file, const char __user *data,
return len;
}
-static int usb_pcwd_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long usb_pcwd_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
@@ -383,77 +382,76 @@ static int usb_pcwd_ioctl(struct inode *inode, struct file *file,
};
switch (cmd) {
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident,
- sizeof (ident)) ? -EFAULT : 0;
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
- case WDIOC_GETTEMP:
- {
- int temperature;
+ case WDIOC_GETTEMP:
+ {
+ int temperature;
- if (usb_pcwd_get_temperature(usb_pcwd_device, &temperature))
- return -EFAULT;
+ if (usb_pcwd_get_temperature(usb_pcwd_device, &temperature))
+ return -EFAULT;
- return put_user(temperature, p);
- }
+ return put_user(temperature, p);
+ }
- case WDIOC_KEEPALIVE:
- usb_pcwd_keepalive(usb_pcwd_device);
- return 0;
+ case WDIOC_SETOPTIONS:
+ {
+ int new_options, retval = -EINVAL;
- case WDIOC_SETOPTIONS:
- {
- int new_options, retval = -EINVAL;
+ if (get_user(new_options, p))
+ return -EFAULT;
- if (get_user (new_options, p))
- return -EFAULT;
+ if (new_options & WDIOS_DISABLECARD) {
+ usb_pcwd_stop(usb_pcwd_device);
+ retval = 0;
+ }
- if (new_options & WDIOS_DISABLECARD) {
- usb_pcwd_stop(usb_pcwd_device);
- retval = 0;
- }
+ if (new_options & WDIOS_ENABLECARD) {
+ usb_pcwd_start(usb_pcwd_device);
+ retval = 0;
+ }
- if (new_options & WDIOS_ENABLECARD) {
- usb_pcwd_start(usb_pcwd_device);
- retval = 0;
- }
+ return retval;
+ }
- return retval;
- }
+ case WDIOC_KEEPALIVE:
+ usb_pcwd_keepalive(usb_pcwd_device);
+ return 0;
- case WDIOC_SETTIMEOUT:
- {
- int new_heartbeat;
+ case WDIOC_SETTIMEOUT:
+ {
+ int new_heartbeat;
- if (get_user(new_heartbeat, p))
- return -EFAULT;
+ if (get_user(new_heartbeat, p))
+ return -EFAULT;
- if (usb_pcwd_set_heartbeat(usb_pcwd_device, new_heartbeat))
- return -EINVAL;
+ if (usb_pcwd_set_heartbeat(usb_pcwd_device, new_heartbeat))
+ return -EINVAL;
- usb_pcwd_keepalive(usb_pcwd_device);
- /* Fall */
- }
+ usb_pcwd_keepalive(usb_pcwd_device);
+ /* Fall */
+ }
- case WDIOC_GETTIMEOUT:
- return put_user(heartbeat, p);
+ case WDIOC_GETTIMEOUT:
+ return put_user(heartbeat, p);
- case WDIOC_GETTIMELEFT:
- {
- int time_left;
+ case WDIOC_GETTIMELEFT:
+ {
+ int time_left;
- if (usb_pcwd_get_timeleft(usb_pcwd_device, &time_left))
- return -EFAULT;
+ if (usb_pcwd_get_timeleft(usb_pcwd_device, &time_left))
+ return -EFAULT;
- return put_user(time_left, p);
- }
+ return put_user(time_left, p);
+ }
- default:
- return -ENOTTY;
+ default:
+ return -ENOTTY;
}
}
@@ -519,10 +517,8 @@ static int usb_pcwd_temperature_release(struct inode *inode, struct file *file)
static int usb_pcwd_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
{
- if (code==SYS_DOWN || code==SYS_HALT) {
- /* Turn the WDT off */
- usb_pcwd_stop(usb_pcwd_device);
- }
+ if (code == SYS_DOWN || code == SYS_HALT)
+ usb_pcwd_stop(usb_pcwd_device); /* Turn the WDT off */
return NOTIFY_DONE;
}
@@ -535,7 +531,7 @@ static const struct file_operations usb_pcwd_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = usb_pcwd_write,
- .ioctl = usb_pcwd_ioctl,
+ .unlocked_ioctl = usb_pcwd_ioctl,
.open = usb_pcwd_open,
.release = usb_pcwd_release,
};
@@ -567,13 +563,13 @@ static struct notifier_block usb_pcwd_notifier = {
/**
* usb_pcwd_delete
*/
-static inline void usb_pcwd_delete (struct usb_pcwd_private *usb_pcwd)
+static inline void usb_pcwd_delete(struct usb_pcwd_private *usb_pcwd)
{
usb_free_urb(usb_pcwd->intr_urb);
if (usb_pcwd->intr_buffer != NULL)
usb_buffer_free(usb_pcwd->udev, usb_pcwd->intr_size,
usb_pcwd->intr_buffer, usb_pcwd->intr_dma);
- kfree (usb_pcwd);
+ kfree(usb_pcwd);
}
/**
@@ -626,7 +622,7 @@ static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_devi
maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
/* allocate memory for our device and initialize it */
- usb_pcwd = kzalloc (sizeof(struct usb_pcwd_private), GFP_KERNEL);
+ usb_pcwd = kzalloc(sizeof(struct usb_pcwd_private), GFP_KERNEL);
if (usb_pcwd == NULL) {
printk(KERN_ERR PFX "Out of memory\n");
goto error;
@@ -641,7 +637,8 @@ static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_devi
usb_pcwd->intr_size = (le16_to_cpu(endpoint->wMaxPacketSize) > 8 ? le16_to_cpu(endpoint->wMaxPacketSize) : 8);
/* set up the memory buffer's */
- if (!(usb_pcwd->intr_buffer = usb_buffer_alloc(udev, usb_pcwd->intr_size, GFP_ATOMIC, &usb_pcwd->intr_dma))) {
+ usb_pcwd->intr_buffer = usb_buffer_alloc(udev, usb_pcwd->intr_size, GFP_ATOMIC, &usb_pcwd->intr_dma);
+ if (!usb_pcwd->intr_buffer) {
printk(KERN_ERR PFX "Out of memory\n");
goto error;
}
@@ -675,11 +672,10 @@ static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_devi
/* Get the Firmware Version */
got_fw_rev = usb_pcwd_send_command(usb_pcwd, CMD_GET_FIRMWARE_VERSION, &fw_rev_major, &fw_rev_minor);
- if (got_fw_rev) {
+ if (got_fw_rev)
sprintf(fw_ver_str, "%u.%02u", fw_rev_major, fw_rev_minor);
- } else {
+ else
sprintf(fw_ver_str, "<card no answer>");
- }
printk(KERN_INFO PFX "Found card (Firmware: %s) with temp option\n",
fw_ver_str);
@@ -725,7 +721,7 @@ static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_devi
}
/* we can register the device now, as it is ready */
- usb_set_intfdata (interface, usb_pcwd);
+ usb_set_intfdata(interface, usb_pcwd);
printk(KERN_INFO PFX "initialized. heartbeat=%d sec (nowayout=%d)\n",
heartbeat, nowayout);
@@ -759,8 +755,8 @@ static void usb_pcwd_disconnect(struct usb_interface *interface)
/* prevent races with open() */
mutex_lock(&disconnect_mutex);
- usb_pcwd = usb_get_intfdata (interface);
- usb_set_intfdata (interface, NULL);
+ usb_pcwd = usb_get_intfdata(interface);
+ usb_set_intfdata(interface, NULL);
mutex_lock(&usb_pcwd->mtx);
@@ -820,5 +816,5 @@ static void __exit usb_pcwd_exit(void)
}
-module_init (usb_pcwd_init);
-module_exit (usb_pcwd_exit);
+module_init(usb_pcwd_init);
+module_exit(usb_pcwd_exit);
diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c
index 6b8483d3c78..6eadf5ebb9b 100644
--- a/drivers/watchdog/pnx4008_wdt.c
+++ b/drivers/watchdog/pnx4008_wdt.c
@@ -28,10 +28,10 @@
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/spinlock.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#include <asm/hardware.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
#define MODULE_NAME "PNX4008-WDT: "
@@ -144,9 +144,8 @@ static int pnx4008_wdt_open(struct inode *inode, struct file *file)
return nonseekable_open(inode, file);
}
-static ssize_t
-pnx4008_wdt_write(struct file *file, const char *data, size_t len,
- loff_t * ppos)
+static ssize_t pnx4008_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
{
if (len) {
if (!nowayout) {
@@ -169,15 +168,14 @@ pnx4008_wdt_write(struct file *file, const char *data, size_t len,
return len;
}
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
.options = WDIOF_CARDRESET | WDIOF_MAGICCLOSE |
WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
.identity = "PNX4008 Watchdog",
};
-static int
-pnx4008_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long pnx4008_wdt_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int ret = -ENOTTY;
int time;
@@ -196,6 +194,11 @@ pnx4008_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
ret = put_user(boot_status, (int *)arg);
break;
+ case WDIOC_KEEPALIVE:
+ wdt_enable();
+ ret = 0;
+ break;
+
case WDIOC_SETTIMEOUT:
ret = get_user(time, (int *)arg);
if (ret)
@@ -213,11 +216,6 @@ pnx4008_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
case WDIOC_GETTIMEOUT:
ret = put_user(heartbeat, (int *)arg);
break;
-
- case WDIOC_KEEPALIVE:
- wdt_enable();
- ret = 0;
- break;
}
return ret;
}
@@ -238,7 +236,7 @@ static const struct file_operations pnx4008_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = pnx4008_wdt_write,
- .ioctl = pnx4008_wdt_ioctl,
+ .unlocked_ioctl = pnx4008_wdt_ioctl,
.open = pnx4008_wdt_open,
.release = pnx4008_wdt_release,
};
diff --git a/drivers/watchdog/rm9k_wdt.c b/drivers/watchdog/rm9k_wdt.c
index 5c921e47156..f1ae3729a19 100644
--- a/drivers/watchdog/rm9k_wdt.c
+++ b/drivers/watchdog/rm9k_wdt.c
@@ -29,10 +29,10 @@
#include <linux/notifier.h>
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
-#include <asm/io.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
#include <asm/atomic.h>
#include <asm/processor.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
#include <asm/rm9k-ocd.h>
@@ -53,10 +53,12 @@ static void wdt_gpi_stop(void);
static void wdt_gpi_set_timeout(unsigned int);
static int wdt_gpi_open(struct inode *, struct file *);
static int wdt_gpi_release(struct inode *, struct file *);
-static ssize_t wdt_gpi_write(struct file *, const char __user *, size_t, loff_t *);
+static ssize_t wdt_gpi_write(struct file *, const char __user *, size_t,
+ loff_t *);
static long wdt_gpi_ioctl(struct file *, unsigned int, unsigned long);
static int wdt_gpi_notify(struct notifier_block *, unsigned long, void *);
-static const struct resource *wdt_gpi_get_resource(struct platform_device *, const char *, unsigned int);
+static const struct resource *wdt_gpi_get_resource(struct platform_device *,
+ const char *, unsigned int);
static int __init wdt_gpi_probe(struct device *);
static int __exit wdt_gpi_remove(struct device *);
@@ -68,7 +70,7 @@ static int locked;
/* These are set from device resources */
-static void __iomem * wd_regs;
+static void __iomem *wd_regs;
static unsigned int wd_irq, wd_ctr;
@@ -216,7 +218,8 @@ static int wdt_gpi_release(struct inode *inode, struct file *file)
if (expect_close) {
wdt_gpi_stop();
free_irq(wd_irq, &miscdev);
- printk(KERN_INFO "%s: watchdog stopped\n", wdt_gpi_name);
+ printk(KERN_INFO "%s: watchdog stopped\n",
+ wdt_gpi_name);
} else {
printk(KERN_CRIT "%s: unexpected close() -"
" watchdog left running\n",
@@ -231,8 +234,8 @@ static int wdt_gpi_release(struct inode *inode, struct file *file)
return 0;
}
-static ssize_t
-wdt_gpi_write(struct file *f, const char __user *d, size_t s, loff_t *o)
+static ssize_t wdt_gpi_write(struct file *f, const char __user *d, size_t s,
+ loff_t *o)
{
char val;
@@ -241,8 +244,7 @@ wdt_gpi_write(struct file *f, const char __user *d, size_t s, loff_t *o)
return s ? 1 : 0;
}
-static long
-wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
+static long wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
{
long res = -ENOTTY;
const long size = _IOC_SIZE(cmd);
@@ -271,7 +273,8 @@ wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
case WDIOC_GETSUPPORT:
wdinfo.options = nowayout ?
WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING :
- WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE;
+ WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING |
+ WDIOF_MAGICCLOSE;
res = __copy_to_user(argp, &wdinfo, size) ? -EFAULT : size;
break;
@@ -322,8 +325,8 @@ wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
/* Shutdown notifier */
-static int
-wdt_gpi_notify(struct notifier_block *this, unsigned long code, void *unused)
+static int wdt_gpi_notify(struct notifier_block *this, unsigned long code,
+ void *unused)
{
if (code == SYS_DOWN || code == SYS_HALT)
wdt_gpi_stop();
@@ -333,9 +336,8 @@ wdt_gpi_notify(struct notifier_block *this, unsigned long code, void *unused)
/* Init & exit procedures */
-static const struct resource *
-wdt_gpi_get_resource(struct platform_device *pdv, const char *name,
- unsigned int type)
+static const struct resource *wdt_gpi_get_resource(struct platform_device *pdv,
+ const char *name, unsigned int type)
{
char buf[80];
if (snprintf(buf, sizeof buf, "%s_0", name) >= sizeof buf)
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 97b4a2e8eb0..c417fb5e913 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -119,17 +119,6 @@ static void __s3c2410wdt_stop(void)
{
unsigned long wtcon;
- spin_lock(&wdt_lock);
- wtcon = readl(wdt_base + S3C2410_WTCON);
- wtcon &= ~(S3C2410_WTCON_ENABLE | S3C2410_WTCON_RSTEN);
- writel(wtcon, wdt_base + S3C2410_WTCON);
- spin_unlock(&wdt_lock);
-}
-
-static void __s3c2410wdt_stop(void)
-{
- unsigned long wtcon;
-
wtcon = readl(wdt_base + S3C2410_WTCON);
wtcon &= ~(S3C2410_WTCON_ENABLE | S3C2410_WTCON_RSTEN);
writel(wtcon, wdt_base + S3C2410_WTCON);
@@ -305,8 +294,6 @@ static long s3c2410wdt_ioctl(struct file *file, unsigned int cmd,
int new_margin;
switch (cmd) {
- default:
- return -ENOTTY;
case WDIOC_GETSUPPORT:
return copy_to_user(argp, &s3c2410_wdt_ident,
sizeof(s3c2410_wdt_ident)) ? -EFAULT : 0;
@@ -325,6 +312,8 @@ static long s3c2410wdt_ioctl(struct file *file, unsigned int cmd,
return put_user(tmr_margin, p);
case WDIOC_GETTIMEOUT:
return put_user(tmr_margin, p);
+ default:
+ return -ENOTTY;
}
}
diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c
index 34a2b3b8180..27d6898a7c9 100644
--- a/drivers/watchdog/sa1100_wdt.c
+++ b/drivers/watchdog/sa1100_wdt.c
@@ -26,13 +26,13 @@
#include <linux/watchdog.h>
#include <linux/init.h>
#include <linux/bitops.h>
+#include <linux/uaccess.h>
#ifdef CONFIG_ARCH_PXA
#include <asm/arch/pxa-regs.h>
#endif
#include <asm/hardware.h>
-#include <asm/uaccess.h>
#define OSCR_FREQ CLOCK_TICK_RATE
@@ -45,7 +45,7 @@ static int boot_status;
*/
static int sa1100dog_open(struct inode *inode, struct file *file)
{
- if (test_and_set_bit(1,&sa1100wdt_users))
+ if (test_and_set_bit(1, &sa1100wdt_users))
return -EBUSY;
/* Activate SA1100 Watchdog timer */
@@ -66,28 +66,27 @@ static int sa1100dog_open(struct inode *inode, struct file *file)
static int sa1100dog_release(struct inode *inode, struct file *file)
{
printk(KERN_CRIT "WATCHDOG: Device closed - timer will not stop\n");
-
clear_bit(1, &sa1100wdt_users);
-
return 0;
}
-static ssize_t sa1100dog_write(struct file *file, const char __user *data, size_t len, loff_t *ppos)
+static ssize_t sa1100dog_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
{
if (len)
/* Refresh OSMR3 timer. */
OSMR3 = OSCR + pre_margin;
-
return len;
}
-static struct watchdog_info ident = {
- .options = WDIOF_CARDRESET | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+static const struct watchdog_info ident = {
+ .options = WDIOF_CARDRESET | WDIOF_SETTIMEOUT
+ | WDIOF_KEEPALIVEPING,
.identity = "SA1100/PXA255 Watchdog",
};
-static int sa1100dog_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long sa1100dog_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int ret = -ENOTTY;
int time;
@@ -108,6 +107,11 @@ static int sa1100dog_ioctl(struct inode *inode, struct file *file,
ret = put_user(boot_status, p);
break;
+ case WDIOC_KEEPALIVE:
+ OSMR3 = OSCR + pre_margin;
+ ret = 0;
+ break;
+
case WDIOC_SETTIMEOUT:
ret = get_user(time, p);
if (ret)
@@ -125,27 +129,20 @@ static int sa1100dog_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETTIMEOUT:
ret = put_user(pre_margin / OSCR_FREQ, p);
break;
-
- case WDIOC_KEEPALIVE:
- OSMR3 = OSCR + pre_margin;
- ret = 0;
- break;
}
return ret;
}
-static const struct file_operations sa1100dog_fops =
-{
+static const struct file_operations sa1100dog_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = sa1100dog_write,
- .ioctl = sa1100dog_ioctl,
+ .unlocked_ioctl = sa1100dog_ioctl,
.open = sa1100dog_open,
.release = sa1100dog_release,
};
-static struct miscdevice sa1100dog_miscdev =
-{
+static struct miscdevice sa1100dog_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &sa1100dog_fops,
@@ -167,8 +164,9 @@ static int __init sa1100dog_init(void)
ret = misc_register(&sa1100dog_miscdev);
if (ret == 0)
- printk("SA1100/PXA2xx Watchdog Timer: timer margin %d sec\n",
- margin);
+ printk(KERN_INFO
+ "SA1100/PXA2xx Watchdog Timer: timer margin %d sec\n",
+ margin);
return ret;
}
diff --git a/drivers/watchdog/sb_wdog.c b/drivers/watchdog/sb_wdog.c
index b9443143369..27e526a07c9 100644
--- a/drivers/watchdog/sb_wdog.c
+++ b/drivers/watchdog/sb_wdog.c
@@ -57,6 +57,7 @@
#include <asm/sibyte/sb1250_int.h>
#include <asm/sibyte/sb1250_scd.h>
+static DEFINE_SPINLOCK(sbwd_lock);
/*
* set the initial count value of a timer
@@ -65,8 +66,10 @@
*/
void sbwdog_set(char __iomem *wdog, unsigned long t)
{
+ spin_lock(&sbwd_lock);
__raw_writeb(0, wdog - 0x10);
__raw_writeq(t & 0x7fffffUL, wdog);
+ spin_unlock(&sbwd_lock);
}
/*
@@ -77,7 +80,9 @@ void sbwdog_set(char __iomem *wdog, unsigned long t)
*/
void sbwdog_pet(char __iomem *wdog)
{
+ spin_lock(&sbwd_lock);
__raw_writeb(__raw_readb(wdog) | 1, wdog);
+ spin_unlock(&sbwd_lock);
}
static unsigned long sbwdog_gate; /* keeps it to one thread only */
@@ -86,8 +91,9 @@ static char __iomem *user_dog = (char __iomem *)(IO_BASE + (A_SCD_WDOG_CFG_1));
static unsigned long timeout = 0x7fffffUL; /* useconds: 8.3ish secs. */
static int expect_close;
-static struct watchdog_info ident = {
- .options = WDIOF_CARDRESET | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+static const struct watchdog_info ident = {
+ .options = WDIOF_CARDRESET | WDIOF_SETTIMEOUT |
+ WDIOF_KEEPALIVEPING,
.identity = "SiByte Watchdog",
};
@@ -97,9 +103,8 @@ static struct watchdog_info ident = {
static int sbwdog_open(struct inode *inode, struct file *file)
{
nonseekable_open(inode, file);
- if (test_and_set_bit(0, &sbwdog_gate)) {
+ if (test_and_set_bit(0, &sbwdog_gate))
return -EBUSY;
- }
__module_get(THIS_MODULE);
/*
@@ -120,8 +125,9 @@ static int sbwdog_release(struct inode *inode, struct file *file)
__raw_writeb(0, user_dog);
module_put(THIS_MODULE);
} else {
- printk(KERN_CRIT "%s: Unexpected close, not stopping watchdog!\n",
- ident.identity);
+ printk(KERN_CRIT
+ "%s: Unexpected close, not stopping watchdog!\n",
+ ident.identity);
sbwdog_pet(user_dog);
}
clear_bit(0, &sbwdog_gate);
@@ -147,12 +153,10 @@ static ssize_t sbwdog_write(struct file *file, const char __user *data,
for (i = 0; i != len; i++) {
char c;
- if (get_user(c, data + i)) {
+ if (get_user(c, data + i))
return -EFAULT;
- }
- if (c == 'V') {
+ if (c == 'V')
expect_close = 42;
- }
}
sbwdog_pet(user_dog);
}
@@ -160,8 +164,8 @@ static ssize_t sbwdog_write(struct file *file, const char __user *data,
return len;
}
-static int sbwdog_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long sbwdog_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int ret = -ENOTTY;
unsigned long time;
@@ -178,11 +182,15 @@ static int sbwdog_ioctl(struct inode *inode, struct file *file,
ret = put_user(0, p);
break;
+ case WDIOC_KEEPALIVE:
+ sbwdog_pet(user_dog);
+ ret = 0;
+ break;
+
case WDIOC_SETTIMEOUT:
ret = get_user(time, p);
- if (ret) {
+ if (ret)
break;
- }
time *= 1000000;
if (time > 0x7fffffUL) {
@@ -200,11 +208,6 @@ static int sbwdog_ioctl(struct inode *inode, struct file *file,
*/
ret = put_user(__raw_readq(user_dog - 8) / 1000000, p);
break;
-
- case WDIOC_KEEPALIVE:
- sbwdog_pet(user_dog);
- ret = 0;
- break;
}
return ret;
}
@@ -212,8 +215,8 @@ static int sbwdog_ioctl(struct inode *inode, struct file *file,
/*
* Notifier for system down
*/
-static int
-sbwdog_notify_sys(struct notifier_block *this, unsigned long code, void *erf)
+static int sbwdog_notify_sys(struct notifier_block *this, unsigned long code,
+ void *erf)
{
if (code == SYS_DOWN || code == SYS_HALT) {
/*
@@ -226,18 +229,16 @@ sbwdog_notify_sys(struct notifier_block *this, unsigned long code, void *erf)
return NOTIFY_DONE;
}
-static const struct file_operations sbwdog_fops =
-{
+static const struct file_operations sbwdog_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = sbwdog_write,
- .ioctl = sbwdog_ioctl,
+ .unlocked_ioctl = sbwdog_ioctl,
.open = sbwdog_open,
.release = sbwdog_release,
};
-static struct miscdevice sbwdog_miscdev =
-{
+static struct miscdevice sbwdog_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &sbwdog_fops,
@@ -267,13 +268,12 @@ irqreturn_t sbwdog_interrupt(int irq, void *addr)
/*
* if it's the second watchdog timer, it's for those users
*/
- if (wd_cfg_reg == user_dog) {
+ if (wd_cfg_reg == user_dog)
printk(KERN_CRIT
"%s in danger of initiating system reset in %ld.%01ld seconds\n",
ident.identity, wd_init / 1000000, (wd_init / 100000) % 10);
- } else {
+ else
cfg |= 1;
- }
__raw_writeb(cfg, wd_cfg_reg);
@@ -289,28 +289,31 @@ static int __init sbwdog_init(void)
*/
ret = register_reboot_notifier(&sbwdog_notifier);
if (ret) {
- printk (KERN_ERR "%s: cannot register reboot notifier (err=%d)\n",
- ident.identity, ret);
+ printk(KERN_ERR
+ "%s: cannot register reboot notifier (err=%d)\n",
+ ident.identity, ret);
return ret;
}
/*
* get the resources
*/
- ret = misc_register(&sbwdog_miscdev);
- if (ret == 0) {
- printk(KERN_INFO "%s: timeout is %ld.%ld secs\n", ident.identity,
- timeout / 1000000, (timeout / 100000) % 10);
- }
ret = request_irq(1, sbwdog_interrupt, IRQF_DISABLED | IRQF_SHARED,
ident.identity, (void *)user_dog);
if (ret) {
- printk(KERN_ERR "%s: failed to request irq 1 - %d\n", ident.identity,
- ret);
- misc_deregister(&sbwdog_miscdev);
+ printk(KERN_ERR "%s: failed to request irq 1 - %d\n",
+ ident.identity, ret);
+ return ret;
}
+ ret = misc_register(&sbwdog_miscdev);
+ if (ret == 0) {
+ printk(KERN_INFO "%s: timeout is %ld.%ld secs\n",
+ ident.identity,
+ timeout / 1000000, (timeout / 100000) % 10);
+ } else
+ free_irq(1, (void *)user_dog);
return ret;
}
@@ -327,7 +330,7 @@ MODULE_DESCRIPTION("SiByte Watchdog");
module_param(timeout, ulong, 0);
MODULE_PARM_DESC(timeout,
- "Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs)");
+ "Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs)");
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
@@ -336,16 +339,15 @@ MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
* example code that can be put in a platform code area to utilize the
* first watchdog timer for the kernels own purpose.
- void
-platform_wd_setup(void)
+void platform_wd_setup(void)
{
int ret;
- ret = request_irq(0, sbwdog_interrupt, IRQF_DISABLED | IRQF_SHARED,
+ ret = request_irq(1, sbwdog_interrupt, IRQF_DISABLED | IRQF_SHARED,
"Kernel Watchdog", IOADDR(A_SCD_WDOG_CFG_0));
if (ret) {
- printk(KERN_CRIT "Watchdog IRQ zero(0) failed to be requested - %d\n",
- ret);
+ printk(KERN_CRIT
+ "Watchdog IRQ zero(0) failed to be requested - %d\n", ret);
}
}
diff --git a/drivers/watchdog/sbc60xxwdt.c b/drivers/watchdog/sbc60xxwdt.c
index ef76f01625e..3266daaaecf 100644
--- a/drivers/watchdog/sbc60xxwdt.c
+++ b/drivers/watchdog/sbc60xxwdt.c
@@ -16,19 +16,23 @@
*
* 12/4 - 2000 [Initial revision]
* 25/4 - 2000 Added /dev/watchdog support
- * 09/5 - 2001 [smj@oro.net] fixed fop_write to "return 1" on success
+ * 09/5 - 2001 [smj@oro.net] fixed fop_write to "return 1"
+ * on success
* 12/4 - 2002 [rob@osinvestor.com] eliminate fop_read
* fix possible wdt_is_open race
* add CONFIG_WATCHDOG_NOWAYOUT support
* remove lock_kernel/unlock_kernel pairs
* added KERN_* to printk's
* got rid of extraneous comments
- * changed watchdog_info to correctly reflect what the driver offers
- * added WDIOC_GETSTATUS, WDIOC_GETBOOTSTATUS, WDIOC_SETTIMEOUT,
- * WDIOC_GETTIMEOUT, and WDIOC_SETOPTIONS ioctls
+ * changed watchdog_info to correctly reflect what
+ * the driver offers
+ * added WDIOC_GETSTATUS, WDIOC_GETBOOTSTATUS,
+ * WDIOC_SETTIMEOUT, WDIOC_GETTIMEOUT, and
+ * WDIOC_SETOPTIONS ioctls
* 09/8 - 2003 [wim@iguana.be] cleanup of trailing spaces
* use module_param
- * made timeout (the emulated heartbeat) a module_param
+ * made timeout (the emulated heartbeat) a
+ * module_param
* made the keepalive ping an internal subroutine
* made wdt_stop and wdt_start module params
* added extra printk's for startup problems
@@ -56,9 +60,9 @@
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
#define OUR_NAME "sbc60xxwdt"
@@ -94,13 +98,18 @@ MODULE_PARM_DESC(wdt_start, "SBC60xx WDT 'start' io port (default 0x443)");
*/
#define WATCHDOG_TIMEOUT 30 /* 30 sec default timeout */
-static int timeout = WATCHDOG_TIMEOUT; /* in seconds, will be multiplied by HZ to get seconds to wait for a ping */
+static int timeout = WATCHDOG_TIMEOUT; /* in seconds, multiplied by HZ to
+ get seconds to wait for a ping */
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1<=timeout<=3600, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. (1<=timeout<=3600, default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static void wdt_timer_ping(unsigned long);
static DEFINE_TIMER(timer, wdt_timer_ping, 0, 0);
@@ -117,15 +126,14 @@ static void wdt_timer_ping(unsigned long data)
/* If we got a heartbeat pulse within the WDT_US_INTERVAL
* we agree to ping the WDT
*/
- if(time_before(jiffies, next_heartbeat))
- {
+ if (time_before(jiffies, next_heartbeat)) {
/* Ping the WDT by reading from wdt_start */
inb_p(wdt_start);
/* Re-set the timer interval */
mod_timer(&timer, jiffies + WDT_INTERVAL);
- } else {
- printk(KERN_WARNING PFX "Heartbeat lost! Will not ping the watchdog\n");
- }
+ } else
+ printk(KERN_WARNING PFX
+ "Heartbeat lost! Will not ping the watchdog\n");
}
/*
@@ -159,40 +167,40 @@ static void wdt_keepalive(void)
* /dev/watchdog handling
*/
-static ssize_t fop_write(struct file * file, const char __user * buf, size_t count, loff_t * ppos)
+static ssize_t fop_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
- if(count)
- {
- if (!nowayout)
- {
+ if (count) {
+ if (!nowayout) {
size_t ofs;
- /* note: just in case someone wrote the magic character
- * five months ago... */
+ /* note: just in case someone wrote the
+ magic character five months ago... */
wdt_expect_close = 0;
- /* scan to see whether or not we got the magic character */
- for(ofs = 0; ofs != count; ofs++)
- {
+ /* scan to see whether or not we got the
+ magic character */
+ for (ofs = 0; ofs != count; ofs++) {
char c;
- if(get_user(c, buf+ofs))
+ if (get_user(c, buf + ofs))
return -EFAULT;
- if(c == 'V')
+ if (c == 'V')
wdt_expect_close = 42;
}
}
- /* Well, anyhow someone wrote to us, we should return that favour */
+ /* Well, anyhow someone wrote to us, we should
+ return that favour */
wdt_keepalive();
}
return count;
}
-static int fop_open(struct inode * inode, struct file * file)
+static int fop_open(struct inode *inode, struct file *file)
{
/* Just in case we're already talking to someone... */
- if(test_and_set_bit(0, &wdt_is_open))
+ if (test_and_set_bit(0, &wdt_is_open))
return -EBUSY;
if (nowayout)
@@ -203,78 +211,72 @@ static int fop_open(struct inode * inode, struct file * file)
return nonseekable_open(inode, file);
}
-static int fop_close(struct inode * inode, struct file * file)
+static int fop_close(struct inode *inode, struct file *file)
{
- if(wdt_expect_close == 42)
+ if (wdt_expect_close == 42)
wdt_turnoff();
else {
del_timer(&timer);
- printk(KERN_CRIT PFX "device file closed unexpectedly. Will not stop the WDT!\n");
+ printk(KERN_CRIT PFX
+ "device file closed unexpectedly. Will not stop the WDT!\n");
}
clear_bit(0, &wdt_is_open);
wdt_expect_close = 0;
return 0;
}
-static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
- static struct watchdog_info ident=
- {
- .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+ static const struct watchdog_info ident = {
+ .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
+ WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "SBC60xx",
};
- switch(cmd)
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_SETOPTIONS:
{
- default:
- return -ENOTTY;
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
- case WDIOC_KEEPALIVE:
- wdt_keepalive();
- return 0;
- case WDIOC_SETOPTIONS:
- {
- int new_options, retval = -EINVAL;
-
- if(get_user(new_options, p))
- return -EFAULT;
-
- if(new_options & WDIOS_DISABLECARD) {
- wdt_turnoff();
- retval = 0;
- }
-
- if(new_options & WDIOS_ENABLECARD) {
- wdt_startup();
- retval = 0;
- }
-
- return retval;
+ int new_options, retval = -EINVAL;
+ if (get_user(new_options, p))
+ return -EFAULT;
+ if (new_options & WDIOS_DISABLECARD) {
+ wdt_turnoff();
+ retval = 0;
}
- case WDIOC_SETTIMEOUT:
- {
- int new_timeout;
-
- if(get_user(new_timeout, p))
- return -EFAULT;
-
- if(new_timeout < 1 || new_timeout > 3600) /* arbitrary upper limit */
- return -EINVAL;
-
- timeout = new_timeout;
- wdt_keepalive();
- /* Fall through */
+ if (new_options & WDIOS_ENABLECARD) {
+ wdt_startup();
+ retval = 0;
}
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ wdt_keepalive();
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ {
+ int new_timeout;
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+ /* arbitrary upper limit */
+ if (new_timeout < 1 || new_timeout > 3600)
+ return -EINVAL;
+
+ timeout = new_timeout;
+ wdt_keepalive();
+ /* Fall through */
+ }
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
+ default:
+ return -ENOTTY;
}
}
@@ -284,7 +286,7 @@ static const struct file_operations wdt_fops = {
.write = fop_write,
.open = fop_open,
.release = fop_close,
- .ioctl = fop_ioctl,
+ .unlocked_ioctl = fop_ioctl,
};
static struct miscdevice wdt_miscdev = {
@@ -300,7 +302,7 @@ static struct miscdevice wdt_miscdev = {
static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if(code==SYS_DOWN || code==SYS_HALT)
+ if (code == SYS_DOWN || code == SYS_HALT)
wdt_turnoff();
return NOTIFY_DONE;
}
@@ -310,8 +312,7 @@ static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
* turn the timebomb registers off.
*/
-static struct notifier_block wdt_notifier=
-{
+static struct notifier_block wdt_notifier = {
.notifier_call = wdt_notify_sys,
};
@@ -324,23 +325,22 @@ static void __exit sbc60xxwdt_unload(void)
unregister_reboot_notifier(&wdt_notifier);
if ((wdt_stop != 0x45) && (wdt_stop != wdt_start))
- release_region(wdt_stop,1);
- release_region(wdt_start,1);
+ release_region(wdt_stop, 1);
+ release_region(wdt_start, 1);
}
static int __init sbc60xxwdt_init(void)
{
int rc = -EBUSY;
- if(timeout < 1 || timeout > 3600) /* arbitrary upper limit */
- {
+ if (timeout < 1 || timeout > 3600) { /* arbitrary upper limit */
timeout = WATCHDOG_TIMEOUT;
- printk(KERN_INFO PFX "timeout value must be 1<=x<=3600, using %d\n",
- timeout);
- }
+ printk(KERN_INFO PFX
+ "timeout value must be 1 <= x <= 3600, using %d\n",
+ timeout);
+ }
- if (!request_region(wdt_start, 1, "SBC 60XX WDT"))
- {
+ if (!request_region(wdt_start, 1, "SBC 60XX WDT")) {
printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
wdt_start);
rc = -EIO;
@@ -348,33 +348,30 @@ static int __init sbc60xxwdt_init(void)
}
/* We cannot reserve 0x45 - the kernel already has! */
- if ((wdt_stop != 0x45) && (wdt_stop != wdt_start))
- {
- if (!request_region(wdt_stop, 1, "SBC 60XX WDT"))
- {
- printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
- wdt_stop);
+ if (wdt_stop != 0x45 && wdt_stop != wdt_start) {
+ if (!request_region(wdt_stop, 1, "SBC 60XX WDT")) {
+ printk(KERN_ERR PFX
+ "I/O address 0x%04x already in use\n",
+ wdt_stop);
rc = -EIO;
goto err_out_region1;
}
}
rc = register_reboot_notifier(&wdt_notifier);
- if (rc)
- {
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- rc);
+ if (rc) {
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", rc);
goto err_out_region2;
}
rc = misc_register(&wdt_miscdev);
- if (rc)
- {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- wdt_miscdev.minor, rc);
+ if (rc) {
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ wdt_miscdev.minor, rc);
goto err_out_reboot;
}
-
printk(KERN_INFO PFX "WDT driver for 60XX single board computer initialised. timeout=%d sec (nowayout=%d)\n",
timeout, nowayout);
@@ -383,10 +380,10 @@ static int __init sbc60xxwdt_init(void)
err_out_reboot:
unregister_reboot_notifier(&wdt_notifier);
err_out_region2:
- if ((wdt_stop != 0x45) && (wdt_stop != wdt_start))
- release_region(wdt_stop,1);
+ if (wdt_stop != 0x45 && wdt_stop != wdt_start)
+ release_region(wdt_stop, 1);
err_out_region1:
- release_region(wdt_start,1);
+ release_region(wdt_start, 1);
err_out:
return rc;
}
diff --git a/drivers/watchdog/sbc7240_wdt.c b/drivers/watchdog/sbc7240_wdt.c
index 4c8cefbd862..67ddeb1c830 100644
--- a/drivers/watchdog/sbc7240_wdt.c
+++ b/drivers/watchdog/sbc7240_wdt.c
@@ -27,10 +27,10 @@
#include <linux/reboot.h>
#include <linux/types.h>
#include <linux/watchdog.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
#include <asm/atomic.h>
-#include <asm/io.h>
#include <asm/system.h>
-#include <asm/uaccess.h>
#define SBC7240_PREFIX "sbc7240_wdt: "
@@ -159,7 +159,7 @@ static int fop_close(struct inode *inode, struct file *file)
return 0;
}
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING|
WDIOF_SETTIMEOUT|
WDIOF_MAGICCLOSE,
@@ -168,50 +168,50 @@ static struct watchdog_info ident = {
};
-static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
switch (cmd) {
case WDIOC_GETSUPPORT:
- return copy_to_user
- ((void __user *)arg, &ident, sizeof(ident))
- ? -EFAULT : 0;
+ return copy_to_user((void __user *)arg, &ident, sizeof(ident))
+ ? -EFAULT : 0;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
return put_user(0, (int __user *)arg);
- case WDIOC_KEEPALIVE:
- wdt_keepalive();
- return 0;
- case WDIOC_SETOPTIONS:{
- int options;
- int retval = -EINVAL;
+ case WDIOC_SETOPTIONS:
+ {
+ int options;
+ int retval = -EINVAL;
- if (get_user(options, (int __user *)arg))
- return -EFAULT;
+ if (get_user(options, (int __user *)arg))
+ return -EFAULT;
- if (options & WDIOS_DISABLECARD) {
- wdt_disable();
- retval = 0;
- }
-
- if (options & WDIOS_ENABLECARD) {
- wdt_enable();
- retval = 0;
- }
+ if (options & WDIOS_DISABLECARD) {
+ wdt_disable();
+ retval = 0;
+ }
- return retval;
+ if (options & WDIOS_ENABLECARD) {
+ wdt_enable();
+ retval = 0;
}
- case WDIOC_SETTIMEOUT:{
- int new_timeout;
- if (get_user(new_timeout, (int __user *)arg))
- return -EFAULT;
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ wdt_keepalive();
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ {
+ int new_timeout;
- if (wdt_set_timeout(new_timeout))
- return -EINVAL;
+ if (get_user(new_timeout, (int __user *)arg))
+ return -EFAULT;
- /* Fall through */
- }
+ if (wdt_set_timeout(new_timeout))
+ return -EINVAL;
+
+ /* Fall through */
+ }
case WDIOC_GETTIMEOUT:
return put_user(timeout, (int __user *)arg);
default:
@@ -225,7 +225,7 @@ static const struct file_operations wdt_fops = {
.write = fop_write,
.open = fop_open,
.release = fop_close,
- .ioctl = fop_ioctl,
+ .unlocked_ioctl = fop_ioctl,
};
static struct miscdevice wdt_miscdev = {
diff --git a/drivers/watchdog/sbc8360.c b/drivers/watchdog/sbc8360.c
index 2ee2677f364..fd83dd052d8 100644
--- a/drivers/watchdog/sbc8360.c
+++ b/drivers/watchdog/sbc8360.c
@@ -48,13 +48,12 @@
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/moduleparam.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
static unsigned long sbc8360_is_open;
-static DEFINE_SPINLOCK(sbc8360_lock);
static char expect_close;
#define PFX "sbc8360: "
@@ -204,7 +203,8 @@ module_param(timeout, int, 0);
MODULE_PARM_DESC(timeout, "Index into timeout table (0-63) (default=27 (60s))");
module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout,
- "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Kernel methods.
@@ -231,9 +231,16 @@ static void sbc8360_ping(void)
outb(wd_margin, SBC8360_BASETIME);
}
+/* stop watchdog */
+static void sbc8360_stop(void)
+{
+ /* De-activate the watchdog */
+ outb(0, SBC8360_ENABLE);
+}
+
/* Userspace pings kernel driver, or requests clean close */
-static ssize_t sbc8360_write(struct file *file, const char __user * buf,
- size_t count, loff_t * ppos)
+static ssize_t sbc8360_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
if (count) {
if (!nowayout) {
@@ -257,16 +264,12 @@ static ssize_t sbc8360_write(struct file *file, const char __user * buf,
static int sbc8360_open(struct inode *inode, struct file *file)
{
- spin_lock(&sbc8360_lock);
- if (test_and_set_bit(0, &sbc8360_is_open)) {
- spin_unlock(&sbc8360_lock);
+ if (test_and_set_bit(0, &sbc8360_is_open))
return -EBUSY;
- }
if (nowayout)
__module_get(THIS_MODULE);
/* Activate and ping once to start the countdown */
- spin_unlock(&sbc8360_lock);
sbc8360_activate();
sbc8360_ping();
return nonseekable_open(inode, file);
@@ -274,16 +277,14 @@ static int sbc8360_open(struct inode *inode, struct file *file)
static int sbc8360_close(struct inode *inode, struct file *file)
{
- spin_lock(&sbc8360_lock);
if (expect_close == 42)
- outb(0, SBC8360_ENABLE);
+ sbc8360_stop();
else
printk(KERN_CRIT PFX
- "SBC8360 device closed unexpectedly. SBC8360 will not stop!\n");
+ "SBC8360 device closed unexpectedly. SBC8360 will not stop!\n");
clear_bit(0, &sbc8360_is_open);
expect_close = 0;
- spin_unlock(&sbc8360_lock);
return 0;
}
@@ -294,10 +295,9 @@ static int sbc8360_close(struct inode *inode, struct file *file)
static int sbc8360_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if (code == SYS_DOWN || code == SYS_HALT) {
- /* Disable the SBC8360 Watchdog */
- outb(0, SBC8360_ENABLE);
- }
+ if (code == SYS_DOWN || code == SYS_HALT)
+ sbc8360_stop(); /* Disable the SBC8360 Watchdog */
+
return NOTIFY_DONE;
}
@@ -382,13 +382,13 @@ static int __init sbc8360_init(void)
return 0;
- out_nomisc:
+out_nomisc:
unregister_reboot_notifier(&sbc8360_notifier);
- out_noreboot:
+out_noreboot:
release_region(SBC8360_BASETIME, 1);
- out_nobasetimereg:
+out_nobasetimereg:
release_region(SBC8360_ENABLE, 1);
- out:
+out:
return res;
}
diff --git a/drivers/watchdog/sbc_epx_c3.c b/drivers/watchdog/sbc_epx_c3.c
index 82cbd8809a6..e5e470ca775 100644
--- a/drivers/watchdog/sbc_epx_c3.c
+++ b/drivers/watchdog/sbc_epx_c3.c
@@ -25,8 +25,8 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/ioport.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#define PFX "epx_c3: "
static int epx_c3_alive;
@@ -100,12 +100,12 @@ static ssize_t epx_c3_write(struct file *file, const char __user *data,
return len;
}
-static int epx_c3_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long epx_c3_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int options, retval = -EINVAL;
int __user *argp = (void __user *)arg;
- static struct watchdog_info ident = {
+ static const struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING |
WDIOF_MAGICCLOSE,
.firmware_version = 0,
@@ -120,11 +120,6 @@ static int epx_c3_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
return put_user(0, argp);
- case WDIOC_KEEPALIVE:
- epx_c3_pet();
- return 0;
- case WDIOC_GETTIMEOUT:
- return put_user(WATCHDOG_TIMEOUT, argp);
case WDIOC_SETOPTIONS:
if (get_user(options, argp))
return -EFAULT;
@@ -140,6 +135,11 @@ static int epx_c3_ioctl(struct inode *inode, struct file *file,
}
return retval;
+ case WDIOC_KEEPALIVE:
+ epx_c3_pet();
+ return 0;
+ case WDIOC_GETTIMEOUT:
+ return put_user(WATCHDOG_TIMEOUT, argp);
default:
return -ENOTTY;
}
@@ -158,7 +158,7 @@ static const struct file_operations epx_c3_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = epx_c3_write,
- .ioctl = epx_c3_ioctl,
+ .unlocked_ioctl = epx_c3_ioctl,
.open = epx_c3_open,
.release = epx_c3_release,
};
diff --git a/drivers/watchdog/sc1200wdt.c b/drivers/watchdog/sc1200wdt.c
index 621ebad56d8..23da3ccd832 100644
--- a/drivers/watchdog/sc1200wdt.c
+++ b/drivers/watchdog/sc1200wdt.c
@@ -196,7 +196,6 @@ static long sc1200wdt_ioctl(struct file *file, unsigned int cmd,
};
switch (cmd) {
-
case WDIOC_GETSUPPORT:
if (copy_to_user(argp, &ident, sizeof ident))
return -EFAULT;
@@ -208,24 +207,6 @@ static long sc1200wdt_ioctl(struct file *file, unsigned int cmd,
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
- case WDIOC_KEEPALIVE:
- sc1200wdt_write_data(WDTO, timeout);
- return 0;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(new_timeout, p))
- return -EFAULT;
- /* the API states this is given in secs */
- new_timeout /= 60;
- if (new_timeout < 0 || new_timeout > MAX_TIMEOUT)
- return -EINVAL;
- timeout = new_timeout;
- sc1200wdt_write_data(WDTO, timeout);
- /* fall through and return the new timeout */
-
- case WDIOC_GETTIMEOUT:
- return put_user(timeout * 60, p);
-
case WDIOC_SETOPTIONS:
{
int options, retval = -EINVAL;
@@ -245,6 +226,24 @@ static long sc1200wdt_ioctl(struct file *file, unsigned int cmd,
return retval;
}
+ case WDIOC_KEEPALIVE:
+ sc1200wdt_write_data(WDTO, timeout);
+ return 0;
+
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+ /* the API states this is given in secs */
+ new_timeout /= 60;
+ if (new_timeout < 0 || new_timeout > MAX_TIMEOUT)
+ return -EINVAL;
+ timeout = new_timeout;
+ sc1200wdt_write_data(WDTO, timeout);
+ /* fall through and return the new timeout */
+
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout * 60, p);
+
default:
return -ENOTTY;
}
@@ -280,7 +279,7 @@ static ssize_t sc1200wdt_write(struct file *file, const char __user *data,
for (i = 0; i != len; i++) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
diff --git a/drivers/watchdog/sc520_wdt.c b/drivers/watchdog/sc520_wdt.c
index 2847324a2be..a2b6c1067ec 100644
--- a/drivers/watchdog/sc520_wdt.c
+++ b/drivers/watchdog/sc520_wdt.c
@@ -64,9 +64,9 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/jiffies.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
#define OUR_NAME "sc520_wdt"
@@ -91,13 +91,18 @@
*/
#define WATCHDOG_TIMEOUT 30 /* 30 sec default timeout */
-static int timeout = WATCHDOG_TIMEOUT; /* in seconds, will be multiplied by HZ to get seconds to wait for a ping */
+/* in seconds, will be multiplied by HZ to get seconds to wait for a ping */
+static int timeout = WATCHDOG_TIMEOUT;
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1<=timeout<=3600, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. (1 <= timeout <= 3600, default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* AMD Elan SC520 - Watchdog Timer Registers
@@ -136,8 +141,7 @@ static void wdt_timer_ping(unsigned long data)
/* If we got a heartbeat pulse within the WDT_US_INTERVAL
* we agree to ping the WDT
*/
- if(time_before(jiffies, next_heartbeat))
- {
+ if (time_before(jiffies, next_heartbeat)) {
/* Ping the WDT */
spin_lock(&wdt_spinlock);
writew(0xAAAA, wdtmrctl);
@@ -146,9 +150,9 @@ static void wdt_timer_ping(unsigned long data)
/* Re-set the timer interval */
mod_timer(&timer, jiffies + WDT_INTERVAL);
- } else {
- printk(KERN_WARNING PFX "Heartbeat lost! Will not ping the watchdog\n");
- }
+ } else
+ printk(KERN_WARNING PFX
+ "Heartbeat lost! Will not ping the watchdog\n");
}
/*
@@ -162,7 +166,7 @@ static void wdt_config(int writeval)
/* buy some time (ping) */
spin_lock_irqsave(&wdt_spinlock, flags);
- dummy=readw(wdtmrctl); /* ensure write synchronization */
+ dummy = readw(wdtmrctl); /* ensure write synchronization */
writew(0xAAAA, wdtmrctl);
writew(0x5555, wdtmrctl);
/* unlock WDT = make WDT configuration register writable one time */
@@ -219,10 +223,11 @@ static int wdt_set_heartbeat(int t)
* /dev/watchdog handling
*/
-static ssize_t fop_write(struct file * file, const char __user * buf, size_t count, loff_t * ppos)
+static ssize_t fop_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
- if(count) {
+ if (count) {
if (!nowayout) {
size_t ofs;
@@ -231,25 +236,26 @@ static ssize_t fop_write(struct file * file, const char __user * buf, size_t cou
wdt_expect_close = 0;
/* now scan */
- for(ofs = 0; ofs != count; ofs++) {
+ for (ofs = 0; ofs != count; ofs++) {
char c;
if (get_user(c, buf + ofs))
return -EFAULT;
- if(c == 'V')
+ if (c == 'V')
wdt_expect_close = 42;
}
}
- /* Well, anyhow someone wrote to us, we should return that favour */
+ /* Well, anyhow someone wrote to us, we should
+ return that favour */
wdt_keepalive();
}
return count;
}
-static int fop_open(struct inode * inode, struct file * file)
+static int fop_open(struct inode *inode, struct file *file)
{
/* Just in case we're already talking to someone... */
- if(test_and_set_bit(0, &wdt_is_open))
+ if (test_and_set_bit(0, &wdt_is_open))
return -EBUSY;
if (nowayout)
__module_get(THIS_MODULE);
@@ -259,12 +265,13 @@ static int fop_open(struct inode * inode, struct file * file)
return nonseekable_open(inode, file);
}
-static int fop_close(struct inode * inode, struct file * file)
+static int fop_close(struct inode *inode, struct file *file)
{
- if(wdt_expect_close == 42) {
+ if (wdt_expect_close == 42)
wdt_turnoff();
- } else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ else {
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
wdt_keepalive();
}
clear_bit(0, &wdt_is_open);
@@ -272,63 +279,62 @@ static int fop_close(struct inode * inode, struct file * file)
return 0;
}
-static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
- static struct watchdog_info ident = {
- .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+ static const struct watchdog_info ident = {
+ .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT
+ | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "SC520",
};
- switch(cmd)
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_SETOPTIONS:
{
- default:
- return -ENOTTY;
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
- case WDIOC_KEEPALIVE:
- wdt_keepalive();
- return 0;
- case WDIOC_SETOPTIONS:
- {
- int new_options, retval = -EINVAL;
-
- if(get_user(new_options, p))
- return -EFAULT;
-
- if(new_options & WDIOS_DISABLECARD) {
- wdt_turnoff();
- retval = 0;
- }
+ int new_options, retval = -EINVAL;
- if(new_options & WDIOS_ENABLECARD) {
- wdt_startup();
- retval = 0;
- }
+ if (get_user(new_options, p))
+ return -EFAULT;
- return retval;
+ if (new_options & WDIOS_DISABLECARD) {
+ wdt_turnoff();
+ retval = 0;
}
- case WDIOC_SETTIMEOUT:
- {
- int new_timeout;
- if(get_user(new_timeout, p))
- return -EFAULT;
+ if (new_options & WDIOS_ENABLECARD) {
+ wdt_startup();
+ retval = 0;
+ }
- if(wdt_set_heartbeat(new_timeout))
- return -EINVAL;
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ wdt_keepalive();
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ {
+ int new_timeout;
- wdt_keepalive();
- /* Fall through */
- }
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+
+ if (wdt_set_heartbeat(new_timeout))
+ return -EINVAL;
+
+ wdt_keepalive();
+ /* Fall through */
+ }
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
+ default:
+ return -ENOTTY;
}
}
@@ -338,7 +344,7 @@ static const struct file_operations wdt_fops = {
.write = fop_write,
.open = fop_open,
.release = fop_close,
- .ioctl = fop_ioctl,
+ .unlocked_ioctl = fop_ioctl,
};
static struct miscdevice wdt_miscdev = {
@@ -354,7 +360,7 @@ static struct miscdevice wdt_miscdev = {
static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if(code==SYS_DOWN || code==SYS_HALT)
+ if (code == SYS_DOWN || code == SYS_HALT)
wdt_turnoff();
return NOTIFY_DONE;
}
@@ -383,11 +389,13 @@ static int __init sc520_wdt_init(void)
{
int rc = -EBUSY;
- /* Check that the timeout value is within it's range ; if not reset to the default */
+ /* Check that the timeout value is within it's range ;
+ if not reset to the default */
if (wdt_set_heartbeat(timeout)) {
wdt_set_heartbeat(WATCHDOG_TIMEOUT);
- printk(KERN_INFO PFX "timeout value must be 1<=timeout<=3600, using %d\n",
- WATCHDOG_TIMEOUT);
+ printk(KERN_INFO PFX
+ "timeout value must be 1 <= timeout <= 3600, using %d\n",
+ WATCHDOG_TIMEOUT);
}
wdtmrctl = ioremap((unsigned long)(MMCR_BASE + OFFS_WDTMRCTL), 2);
@@ -399,20 +407,22 @@ static int __init sc520_wdt_init(void)
rc = register_reboot_notifier(&wdt_notifier);
if (rc) {
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- rc);
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", rc);
goto err_out_ioremap;
}
rc = misc_register(&wdt_miscdev);
if (rc) {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, rc);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, rc);
goto err_out_notifier;
}
- printk(KERN_INFO PFX "WDT driver for SC520 initialised. timeout=%d sec (nowayout=%d)\n",
- timeout,nowayout);
+ printk(KERN_INFO PFX
+ "WDT driver for SC520 initialised. timeout=%d sec (nowayout=%d)\n",
+ timeout, nowayout);
return 0;
diff --git a/drivers/watchdog/scx200_wdt.c b/drivers/watchdog/scx200_wdt.c
index d55882bca31..9e19a10a5bb 100644
--- a/drivers/watchdog/scx200_wdt.c
+++ b/drivers/watchdog/scx200_wdt.c
@@ -27,9 +27,8 @@
#include <linux/fs.h>
#include <linux/ioport.h>
#include <linux/scx200.h>
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#define NAME "scx200_wdt"
@@ -47,8 +46,9 @@ module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close");
static u16 wdto_restart;
-static struct semaphore open_semaphore;
static char expect_close;
+static unsigned long open_lock;
+static DEFINE_SPINLOCK(scx_lock);
/* Bits of the WDCNFG register */
#define W_ENABLE 0x00fa /* Enable watchdog */
@@ -59,7 +59,9 @@ static char expect_close;
static void scx200_wdt_ping(void)
{
+ spin_lock(&scx_lock);
outw(wdto_restart, scx200_cb_base + SCx200_WDT_WDTO);
+ spin_unlock(&scx_lock);
}
static void scx200_wdt_update_margin(void)
@@ -73,9 +75,11 @@ static void scx200_wdt_enable(void)
printk(KERN_DEBUG NAME ": enabling watchdog timer, wdto_restart = %d\n",
wdto_restart);
+ spin_lock(&scx_lock);
outw(0, scx200_cb_base + SCx200_WDT_WDTO);
outb(SCx200_WDT_WDSTS_WDOVF, scx200_cb_base + SCx200_WDT_WDSTS);
outw(W_ENABLE, scx200_cb_base + SCx200_WDT_WDCNFG);
+ spin_unlock(&scx_lock);
scx200_wdt_ping();
}
@@ -84,15 +88,17 @@ static void scx200_wdt_disable(void)
{
printk(KERN_DEBUG NAME ": disabling watchdog timer\n");
+ spin_lock(&scx_lock);
outw(0, scx200_cb_base + SCx200_WDT_WDTO);
outb(SCx200_WDT_WDSTS_WDOVF, scx200_cb_base + SCx200_WDT_WDSTS);
outw(W_DISABLE, scx200_cb_base + SCx200_WDT_WDCNFG);
+ spin_unlock(&scx_lock);
}
static int scx200_wdt_open(struct inode *inode, struct file *file)
{
/* only allow one at a time */
- if (down_trylock(&open_semaphore))
+ if (test_and_set_bit(0, &open_lock))
return -EBUSY;
scx200_wdt_enable();
@@ -101,13 +107,12 @@ static int scx200_wdt_open(struct inode *inode, struct file *file)
static int scx200_wdt_release(struct inode *inode, struct file *file)
{
- if (expect_close != 42) {
+ if (expect_close != 42)
printk(KERN_WARNING NAME ": watchdog device closed unexpectedly, will not disable the watchdog timer\n");
- } else if (!nowayout) {
+ else if (!nowayout)
scx200_wdt_disable();
- }
expect_close = 0;
- up(&open_semaphore);
+ clear_bit(0, &open_lock);
return 0;
}
@@ -122,8 +127,7 @@ static int scx200_wdt_notify_sys(struct notifier_block *this,
return NOTIFY_DONE;
}
-static struct notifier_block scx200_wdt_notifier =
-{
+static struct notifier_block scx200_wdt_notifier = {
.notifier_call = scx200_wdt_notify_sys,
};
@@ -131,8 +135,7 @@ static ssize_t scx200_wdt_write(struct file *file, const char __user *data,
size_t len, loff_t *ppos)
{
/* check for a magic close character */
- if (len)
- {
+ if (len) {
size_t i;
scx200_wdt_ping();
@@ -140,7 +143,7 @@ static ssize_t scx200_wdt_write(struct file *file, const char __user *data,
expect_close = 0;
for (i = 0; i < len; ++i) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
@@ -152,23 +155,21 @@ static ssize_t scx200_wdt_write(struct file *file, const char __user *data,
return 0;
}
-static int scx200_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long scx200_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
- static struct watchdog_info ident = {
+ static const struct watchdog_info ident = {
.identity = "NatSemi SCx200 Watchdog",
.firmware_version = 1,
- .options = (WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING),
+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
};
int new_margin;
switch (cmd) {
- default:
- return -ENOTTY;
case WDIOC_GETSUPPORT:
- if(copy_to_user(argp, &ident, sizeof(ident)))
+ if (copy_to_user(argp, &ident, sizeof(ident)))
return -EFAULT;
return 0;
case WDIOC_GETSTATUS:
@@ -191,22 +192,24 @@ static int scx200_wdt_ioctl(struct inode *inode, struct file *file,
if (put_user(margin, p))
return -EFAULT;
return 0;
+ default:
+ return -ENOTTY;
}
}
static const struct file_operations scx200_wdt_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = scx200_wdt_write,
- .ioctl = scx200_wdt_ioctl,
- .open = scx200_wdt_open,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = scx200_wdt_write,
+ .unlocked_ioctl = scx200_wdt_ioctl,
+ .open = scx200_wdt_open,
.release = scx200_wdt_release,
};
static struct miscdevice scx200_wdt_miscdev = {
.minor = WATCHDOG_MINOR,
- .name = "watchdog",
- .fops = &scx200_wdt_fops,
+ .name = "watchdog",
+ .fops = &scx200_wdt_fops,
};
static int __init scx200_wdt_init(void)
@@ -229,8 +232,6 @@ static int __init scx200_wdt_init(void)
scx200_wdt_update_margin();
scx200_wdt_disable();
- sema_init(&open_semaphore, 1);
-
r = register_reboot_notifier(&scx200_wdt_notifier);
if (r) {
printk(KERN_ERR NAME ": unable to register reboot notifier");
@@ -263,7 +264,7 @@ module_exit(scx200_wdt_cleanup);
/*
Local variables:
- compile-command: "make -k -C ../.. SUBDIRS=drivers/char modules"
- c-basic-offset: 8
+ compile-command: "make -k -C ../.. SUBDIRS=drivers/char modules"
+ c-basic-offset: 8
End:
*/
diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c
index 1277f7e9cc5..824125adf90 100644
--- a/drivers/watchdog/shwdt.c
+++ b/drivers/watchdog/shwdt.c
@@ -28,9 +28,9 @@
#include <linux/ioport.h>
#include <linux/fs.h>
#include <linux/mm.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/watchdog.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <linux/watchdog.h>
#define PFX "shwdt: "
@@ -72,6 +72,7 @@ static struct watchdog_info sh_wdt_info;
static char shwdt_expect_close;
static DEFINE_TIMER(timer, sh_wdt_ping, 0, 0);
static unsigned long next_heartbeat;
+static DEFINE_SPINLOCK(shwdt_lock);
#define WATCHDOG_HEARTBEAT 30 /* 30 sec default heartbeat */
static int heartbeat = WATCHDOG_HEARTBEAT; /* in seconds */
@@ -86,6 +87,9 @@ static int nowayout = WATCHDOG_NOWAYOUT;
static void sh_wdt_start(void)
{
__u8 csr;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdt_lock, flags);
next_heartbeat = jiffies + (heartbeat * HZ);
mod_timer(&timer, next_ping_period(clock_division_ratio));
@@ -123,6 +127,7 @@ static void sh_wdt_start(void)
csr &= ~RSTCSR_RSTS;
sh_wdt_write_rstcsr(csr);
#endif
+ spin_unlock_irqrestore(&wdt_lock, flags);
}
/**
@@ -132,12 +137,16 @@ static void sh_wdt_start(void)
static void sh_wdt_stop(void)
{
__u8 csr;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdt_lock, flags);
del_timer(&timer);
csr = sh_wdt_read_csr();
csr &= ~WTCSR_TME;
sh_wdt_write_csr(csr);
+ spin_unlock_irqrestore(&wdt_lock, flags);
}
/**
@@ -146,7 +155,11 @@ static void sh_wdt_stop(void)
*/
static inline void sh_wdt_keepalive(void)
{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdt_lock, flags);
next_heartbeat = jiffies + (heartbeat * HZ);
+ spin_unlock_irqrestore(&wdt_lock, flags);
}
/**
@@ -155,10 +168,14 @@ static inline void sh_wdt_keepalive(void)
*/
static int sh_wdt_set_heartbeat(int t)
{
- if (unlikely((t < 1) || (t > 3600))) /* arbitrary upper limit */
+ unsigned long flags;
+
+ if (unlikely(t < 1 || t > 3600)) /* arbitrary upper limit */
return -EINVAL;
+ spin_lock_irqsave(&wdt_lock, flags);
heartbeat = t;
+ spin_unlock_irqrestore(&wdt_lock, flags);
return 0;
}
@@ -170,6 +187,9 @@ static int sh_wdt_set_heartbeat(int t)
*/
static void sh_wdt_ping(unsigned long data)
{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdt_lock, flags);
if (time_before(jiffies, next_heartbeat)) {
__u8 csr;
@@ -183,6 +203,7 @@ static void sh_wdt_ping(unsigned long data)
} else
printk(KERN_WARNING PFX "Heartbeat lost! Will not ping "
"the watchdog\n");
+ spin_unlock_irqrestore(&wdt_lock, flags);
}
/**
@@ -310,7 +331,6 @@ static int sh_wdt_mmap(struct file *file, struct vm_area_struct *vma)
/**
* sh_wdt_ioctl - Query Device
- * @inode: inode of device
* @file: file handle of device
* @cmd: watchdog command
* @arg: argument
@@ -318,53 +338,51 @@ static int sh_wdt_mmap(struct file *file, struct vm_area_struct *vma)
* Query basic information from the device or ping it, as outlined by the
* watchdog API.
*/
-static int sh_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long sh_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int new_heartbeat;
int options, retval = -EINVAL;
switch (cmd) {
- case WDIOC_GETSUPPORT:
- return copy_to_user((struct watchdog_info *)arg,
- &sh_wdt_info,
- sizeof(sh_wdt_info)) ? -EFAULT : 0;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, (int *)arg);
- case WDIOC_KEEPALIVE:
- sh_wdt_keepalive();
- return 0;
- case WDIOC_SETTIMEOUT:
- if (get_user(new_heartbeat, (int *)arg))
- return -EFAULT;
-
- if (sh_wdt_set_heartbeat(new_heartbeat))
- return -EINVAL;
-
- sh_wdt_keepalive();
- /* Fall */
- case WDIOC_GETTIMEOUT:
- return put_user(heartbeat, (int *)arg);
- case WDIOC_SETOPTIONS:
- if (get_user(options, (int *)arg))
- return -EFAULT;
-
- if (options & WDIOS_DISABLECARD) {
- sh_wdt_stop();
- retval = 0;
- }
+ case WDIOC_GETSUPPORT:
+ return copy_to_user((struct watchdog_info *)arg,
+ &sh_wdt_info, sizeof(sh_wdt_info)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, (int *)arg);
+ case WDIOC_SETOPTIONS:
+ if (get_user(options, (int *)arg))
+ return -EFAULT;
+
+ if (options & WDIOS_DISABLECARD) {
+ sh_wdt_stop();
+ retval = 0;
+ }
- if (options & WDIOS_ENABLECARD) {
- sh_wdt_start();
- retval = 0;
- }
+ if (options & WDIOS_ENABLECARD) {
+ sh_wdt_start();
+ retval = 0;
+ }
- return retval;
- default:
- return -ENOTTY;
- }
+ return retval;
+ case WDIOC_KEEPALIVE:
+ sh_wdt_keepalive();
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_heartbeat, (int *)arg))
+ return -EFAULT;
+
+ if (sh_wdt_set_heartbeat(new_heartbeat))
+ return -EINVAL;
+ sh_wdt_keepalive();
+ /* Fall */
+ case WDIOC_GETTIMEOUT:
+ return put_user(heartbeat, (int *)arg);
+ default:
+ return -ENOTTY;
+ }
return 0;
}
@@ -390,13 +408,13 @@ static const struct file_operations sh_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = sh_wdt_write,
- .ioctl = sh_wdt_ioctl,
+ .unlocked_ioctl = sh_wdt_ioctl,
.open = sh_wdt_open,
.release = sh_wdt_close,
.mmap = sh_wdt_mmap,
};
-static struct watchdog_info sh_wdt_info = {
+static const struct watchdog_info sh_wdt_info = {
.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
WDIOF_MAGICCLOSE,
.firmware_version = 1,
@@ -422,30 +440,33 @@ static int __init sh_wdt_init(void)
{
int rc;
- if ((clock_division_ratio < 0x5) || (clock_division_ratio > 0x7)) {
+ if (clock_division_ratio < 0x5 || clock_division_ratio > 0x7) {
clock_division_ratio = WTCSR_CKS_4096;
- printk(KERN_INFO PFX "clock_division_ratio value must "
- "be 0x5<=x<=0x7, using %d\n", clock_division_ratio);
+ printk(KERN_INFO PFX
+ "clock_division_ratio value must be 0x5<=x<=0x7, using %d\n",
+ clock_division_ratio);
}
rc = sh_wdt_set_heartbeat(heartbeat);
if (unlikely(rc)) {
heartbeat = WATCHDOG_HEARTBEAT;
- printk(KERN_INFO PFX "heartbeat value must "
- "be 1<=x<=3600, using %d\n", heartbeat);
+ printk(KERN_INFO PFX
+ "heartbeat value must be 1<=x<=3600, using %d\n",
+ heartbeat);
}
rc = register_reboot_notifier(&sh_wdt_notifier);
if (unlikely(rc)) {
- printk(KERN_ERR PFX "Can't register reboot notifier (err=%d)\n",
- rc);
+ printk(KERN_ERR PFX
+ "Can't register reboot notifier (err=%d)\n", rc);
return rc;
}
rc = misc_register(&sh_wdt_miscdev);
if (unlikely(rc)) {
- printk(KERN_ERR PFX "Can't register miscdev on "
- "minor=%d (err=%d)\n", sh_wdt_miscdev.minor, rc);
+ printk(KERN_ERR PFX
+ "Can't register miscdev on minor=%d (err=%d)\n",
+ sh_wdt_miscdev.minor, rc);
unregister_reboot_notifier(&sh_wdt_notifier);
return rc;
}
@@ -476,10 +497,14 @@ module_param(clock_division_ratio, int, 0);
MODULE_PARM_DESC(clock_division_ratio, "Clock division ratio. Valid ranges are from 0x5 (1.31ms) to 0x7 (5.25ms). (default=" __MODULE_STRING(clock_division_ratio) ")");
module_param(heartbeat, int, 0);
-MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (1<=heartbeat<=3600, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
+MODULE_PARM_DESC(heartbeat,
+ "Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default="
+ __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
module_init(sh_wdt_init);
module_exit(sh_wdt_exit);
diff --git a/drivers/watchdog/smsc37b787_wdt.c b/drivers/watchdog/smsc37b787_wdt.c
index 5d2b5ba6141..988ff1d5b4b 100644
--- a/drivers/watchdog/smsc37b787_wdt.c
+++ b/drivers/watchdog/smsc37b787_wdt.c
@@ -18,7 +18,7 @@
* History:
* 2003 - Created version 1.0 for Linux 2.4.x.
* 2006 - Ported to Linux 2.6, added nowayout and MAGICCLOSE
- * features. Released version 1.1
+ * features. Released version 1.1
*
* Theory of operation:
*
@@ -55,9 +55,9 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
/* enable support for minutes as units? */
@@ -71,15 +71,15 @@
#define UNIT_MINUTE 1
#define MODNAME "smsc37b787_wdt: "
-#define VERSION "1.1"
+#define VERSION "1.1"
-#define IOPORT 0x3F0
+#define IOPORT 0x3F0
#define IOPORT_SIZE 2
-#define IODEV_NO 8
+#define IODEV_NO 8
-static int unit = UNIT_SECOND; /* timer's unit */
-static int timeout = 60; /* timeout value: default is 60 "units" */
-static unsigned long timer_enabled = 0; /* is the timer enabled? */
+static int unit = UNIT_SECOND; /* timer's unit */
+static int timeout = 60; /* timeout value: default is 60 "units" */
+static unsigned long timer_enabled; /* is the timer enabled? */
static char expect_close; /* is the close expected? */
@@ -93,114 +93,121 @@ static int nowayout = WATCHDOG_NOWAYOUT;
static inline void open_io_config(void)
{
- outb(0x55, IOPORT);
+ outb(0x55, IOPORT);
mdelay(1);
- outb(0x55, IOPORT);
+ outb(0x55, IOPORT);
}
/* lock the IO chip */
static inline void close_io_config(void)
{
- outb(0xAA, IOPORT);
+ outb(0xAA, IOPORT);
}
/* select the IO device */
static inline void select_io_device(unsigned char devno)
{
- outb(0x07, IOPORT);
- outb(devno, IOPORT+1);
+ outb(0x07, IOPORT);
+ outb(devno, IOPORT+1);
}
/* write to the control register */
static inline void write_io_cr(unsigned char reg, unsigned char data)
{
- outb(reg, IOPORT);
- outb(data, IOPORT+1);
+ outb(reg, IOPORT);
+ outb(data, IOPORT+1);
}
/* read from the control register */
static inline char read_io_cr(unsigned char reg)
{
- outb(reg, IOPORT);
- return inb(IOPORT+1);
+ outb(reg, IOPORT);
+ return inb(IOPORT+1);
}
/* -- Medium level functions ------------------------------------*/
static inline void gpio_bit12(unsigned char reg)
{
- // -- General Purpose I/O Bit 1.2 --
- // Bit 0, In/Out: 0 = Output, 1 = Input
- // Bit 1, Polarity: 0 = No Invert, 1 = Invert
- // Bit 2, Group Enable Intr.: 0 = Disable, 1 = Enable
- // Bit 3/4, Function select: 00 = GPI/O, 01 = WDT, 10 = P17,
- // 11 = Either Edge Triggered Intr. 2
- // Bit 5/6 (Reserved)
- // Bit 7, Output Type: 0 = Push Pull Bit, 1 = Open Drain
- write_io_cr(0xE2, reg);
+ /* -- General Purpose I/O Bit 1.2 --
+ * Bit 0, In/Out: 0 = Output, 1 = Input
+ * Bit 1, Polarity: 0 = No Invert, 1 = Invert
+ * Bit 2, Group Enable Intr.: 0 = Disable, 1 = Enable
+ * Bit 3/4, Function select: 00 = GPI/O, 01 = WDT, 10 = P17,
+ * 11 = Either Edge Triggered Intr. 2
+ * Bit 5/6 (Reserved)
+ * Bit 7, Output Type: 0 = Push Pull Bit, 1 = Open Drain
+ */
+ write_io_cr(0xE2, reg);
}
static inline void gpio_bit13(unsigned char reg)
{
- // -- General Purpose I/O Bit 1.3 --
- // Bit 0, In/Out: 0 = Output, 1 = Input
- // Bit 1, Polarity: 0 = No Invert, 1 = Invert
- // Bit 2, Group Enable Intr.: 0 = Disable, 1 = Enable
- // Bit 3, Function select: 0 = GPI/O, 1 = LED
- // Bit 4-6 (Reserved)
- // Bit 7, Output Type: 0 = Push Pull Bit, 1 = Open Drain
- write_io_cr(0xE3, reg);
+ /* -- General Purpose I/O Bit 1.3 --
+ * Bit 0, In/Out: 0 = Output, 1 = Input
+ * Bit 1, Polarity: 0 = No Invert, 1 = Invert
+ * Bit 2, Group Enable Intr.: 0 = Disable, 1 = Enable
+ * Bit 3, Function select: 0 = GPI/O, 1 = LED
+ * Bit 4-6 (Reserved)
+ * Bit 7, Output Type: 0 = Push Pull Bit, 1 = Open Drain
+ */
+ write_io_cr(0xE3, reg);
}
static inline void wdt_timer_units(unsigned char new_units)
{
- // -- Watchdog timer units --
- // Bit 0-6 (Reserved)
- // Bit 7, WDT Time-out Value Units Select
- // (0 = Minutes, 1 = Seconds)
- write_io_cr(0xF1, new_units);
+ /* -- Watchdog timer units --
+ * Bit 0-6 (Reserved)
+ * Bit 7, WDT Time-out Value Units Select
+ * (0 = Minutes, 1 = Seconds)
+ */
+ write_io_cr(0xF1, new_units);
}
static inline void wdt_timeout_value(unsigned char new_timeout)
{
- // -- Watchdog Timer Time-out Value --
- // Bit 0-7 Binary coded units (0=Disabled, 1..255)
- write_io_cr(0xF2, new_timeout);
+ /* -- Watchdog Timer Time-out Value --
+ * Bit 0-7 Binary coded units (0=Disabled, 1..255)
+ */
+ write_io_cr(0xF2, new_timeout);
}
static inline void wdt_timer_conf(unsigned char conf)
{
- // -- Watchdog timer configuration --
- // Bit 0 Joystick enable: 0* = No Reset, 1 = Reset WDT upon Gameport I/O
- // Bit 1 Keyboard enable: 0* = No Reset, 1 = Reset WDT upon KBD Intr.
- // Bit 2 Mouse enable: 0* = No Reset, 1 = Reset WDT upon Mouse Intr.
- // Bit 3 Reset the timer
- // (Wrong in SMsC documentation? Given as: PowerLED Timout Enabled)
- // Bit 4-7 WDT Interrupt Mapping: (0000* = Disabled,
- // 0001=IRQ1, 0010=(Invalid), 0011=IRQ3 to 1111=IRQ15)
- write_io_cr(0xF3, conf);
+ /* -- Watchdog timer configuration --
+ * Bit 0 Joystick enable: 0* = No Reset, 1 = Reset WDT upon
+ * Gameport I/O
+ * Bit 1 Keyboard enable: 0* = No Reset, 1 = Reset WDT upon KBD Intr.
+ * Bit 2 Mouse enable: 0* = No Reset, 1 = Reset WDT upon Mouse Intr
+ * Bit 3 Reset the timer
+ * (Wrong in SMsC documentation? Given as: PowerLED Timout
+ * Enabled)
+ * Bit 4-7 WDT Interrupt Mapping: (0000* = Disabled,
+ * 0001=IRQ1, 0010=(Invalid), 0011=IRQ3 to 1111=IRQ15)
+ */
+ write_io_cr(0xF3, conf);
}
static inline void wdt_timer_ctrl(unsigned char reg)
{
- // -- Watchdog timer control --
- // Bit 0 Status Bit: 0 = Timer counting, 1 = Timeout occured
- // Bit 1 Power LED Toggle: 0 = Disable Toggle, 1 = Toggle at 1 Hz
- // Bit 2 Force Timeout: 1 = Forces WD timeout event (self-cleaning)
- // Bit 3 P20 Force Timeout enabled:
- // 0 = P20 activity does not generate the WD timeout event
- // 1 = P20 Allows rising edge of P20, from the keyboard
- // controller, to force the WD timeout event.
- // Bit 4 (Reserved)
- // -- Soft power management --
- // Bit 5 Stop Counter: 1 = Stop software power down counter
- // set via register 0xB8, (self-cleaning)
- // (Upon read: 0 = Counter running, 1 = Counter stopped)
- // Bit 6 Restart Counter: 1 = Restart software power down counter
- // set via register 0xB8, (self-cleaning)
- // Bit 7 SPOFF: 1 = Force software power down (self-cleaning)
-
- write_io_cr(0xF4, reg);
+ /* -- Watchdog timer control --
+ * Bit 0 Status Bit: 0 = Timer counting, 1 = Timeout occured
+ * Bit 1 Power LED Toggle: 0 = Disable Toggle, 1 = Toggle at 1 Hz
+ * Bit 2 Force Timeout: 1 = Forces WD timeout event (self-cleaning)
+ * Bit 3 P20 Force Timeout enabled:
+ * 0 = P20 activity does not generate the WD timeout event
+ * 1 = P20 Allows rising edge of P20, from the keyboard
+ * controller, to force the WD timeout event.
+ * Bit 4 (Reserved)
+ * -- Soft power management --
+ * Bit 5 Stop Counter: 1 = Stop software power down counter
+ * set via register 0xB8, (self-cleaning)
+ * (Upon read: 0 = Counter running, 1 = Counter stopped)
+ * Bit 6 Restart Counter: 1 = Restart software power down counter
+ * set via register 0xB8, (self-cleaning)
+ * Bit 7 SPOFF: 1 = Force software power down (self-cleaning)
+ */
+ write_io_cr(0xF4, reg);
}
/* -- Higher level functions ------------------------------------*/
@@ -209,33 +216,34 @@ static inline void wdt_timer_ctrl(unsigned char reg)
static void wb_smsc_wdt_initialize(void)
{
- unsigned char old;
+ unsigned char old;
spin_lock(&io_lock);
- open_io_config();
- select_io_device(IODEV_NO);
+ open_io_config();
+ select_io_device(IODEV_NO);
- // enable the watchdog
- gpio_bit13(0x08); // Select pin 80 = LED not GPIO
- gpio_bit12(0x0A); // Set pin 79 = WDT not GPIO/Output/Polarity=Invert
+ /* enable the watchdog */
+ gpio_bit13(0x08); /* Select pin 80 = LED not GPIO */
+ gpio_bit12(0x0A); /* Set pin 79 = WDT not
+ GPIO/Output/Polarity=Invert */
+ /* disable the timeout */
+ wdt_timeout_value(0);
- // disable the timeout
- wdt_timeout_value(0);
+ /* reset control register */
+ wdt_timer_ctrl(0x00);
- // reset control register
- wdt_timer_ctrl(0x00);
-
- // reset configuration register
+ /* reset configuration register */
wdt_timer_conf(0x00);
- // read old (timer units) register
- old = read_io_cr(0xF1) & 0x7F;
- if (unit == UNIT_SECOND) old |= 0x80; // set to seconds
+ /* read old (timer units) register */
+ old = read_io_cr(0xF1) & 0x7F;
+ if (unit == UNIT_SECOND)
+ old |= 0x80; /* set to seconds */
- // set the watchdog timer units
- wdt_timer_units(old);
+ /* set the watchdog timer units */
+ wdt_timer_units(old);
- close_io_config();
+ close_io_config();
spin_unlock(&io_lock);
}
@@ -244,23 +252,23 @@ static void wb_smsc_wdt_initialize(void)
static void wb_smsc_wdt_shutdown(void)
{
spin_lock(&io_lock);
- open_io_config();
- select_io_device(IODEV_NO);
+ open_io_config();
+ select_io_device(IODEV_NO);
- // disable the watchdog
- gpio_bit13(0x09);
- gpio_bit12(0x09);
+ /* disable the watchdog */
+ gpio_bit13(0x09);
+ gpio_bit12(0x09);
- // reset watchdog config register
+ /* reset watchdog config register */
wdt_timer_conf(0x00);
- // reset watchdog control register
- wdt_timer_ctrl(0x00);
+ /* reset watchdog control register */
+ wdt_timer_ctrl(0x00);
- // disable timeout
- wdt_timeout_value(0x00);
+ /* disable timeout */
+ wdt_timeout_value(0x00);
- close_io_config();
+ close_io_config();
spin_unlock(&io_lock);
}
@@ -269,16 +277,16 @@ static void wb_smsc_wdt_shutdown(void)
static void wb_smsc_wdt_set_timeout(unsigned char new_timeout)
{
spin_lock(&io_lock);
- open_io_config();
- select_io_device(IODEV_NO);
+ open_io_config();
+ select_io_device(IODEV_NO);
- // set Power LED to blink, if we enable the timeout
- wdt_timer_ctrl((new_timeout == 0) ? 0x00 : 0x02);
+ /* set Power LED to blink, if we enable the timeout */
+ wdt_timer_ctrl((new_timeout == 0) ? 0x00 : 0x02);
- // set timeout value
- wdt_timeout_value(new_timeout);
+ /* set timeout value */
+ wdt_timeout_value(new_timeout);
- close_io_config();
+ close_io_config();
spin_unlock(&io_lock);
}
@@ -286,32 +294,32 @@ static void wb_smsc_wdt_set_timeout(unsigned char new_timeout)
static unsigned char wb_smsc_wdt_get_timeout(void)
{
- unsigned char set_timeout;
+ unsigned char set_timeout;
spin_lock(&io_lock);
- open_io_config();
- select_io_device(IODEV_NO);
- set_timeout = read_io_cr(0xF2);
- close_io_config();
+ open_io_config();
+ select_io_device(IODEV_NO);
+ set_timeout = read_io_cr(0xF2);
+ close_io_config();
spin_unlock(&io_lock);
- return set_timeout;
+ return set_timeout;
}
/* disable watchdog */
static void wb_smsc_wdt_disable(void)
{
- // set the timeout to 0 to disable the watchdog
- wb_smsc_wdt_set_timeout(0);
+ /* set the timeout to 0 to disable the watchdog */
+ wb_smsc_wdt_set_timeout(0);
}
/* enable watchdog by setting the current timeout */
static void wb_smsc_wdt_enable(void)
{
- // set the current timeout...
- wb_smsc_wdt_set_timeout(timeout);
+ /* set the current timeout... */
+ wb_smsc_wdt_set_timeout(timeout);
}
/* reset the timer */
@@ -319,14 +327,14 @@ static void wb_smsc_wdt_enable(void)
static void wb_smsc_wdt_reset_timer(void)
{
spin_lock(&io_lock);
- open_io_config();
- select_io_device(IODEV_NO);
+ open_io_config();
+ select_io_device(IODEV_NO);
- // reset the timer
+ /* reset the timer */
wdt_timeout_value(timeout);
wdt_timer_conf(0x08);
- close_io_config();
+ close_io_config();
spin_unlock(&io_lock);
}
@@ -355,7 +363,9 @@ static int wb_smsc_wdt_open(struct inode *inode, struct file *file)
/* Reload and activate timer */
wb_smsc_wdt_enable();
- printk(KERN_INFO MODNAME "Watchdog enabled. Timeout set to %d %s.\n", timeout, (unit == UNIT_SECOND) ? "second(s)" : "minute(s)");
+ printk(KERN_INFO MODNAME
+ "Watchdog enabled. Timeout set to %d %s.\n",
+ timeout, (unit == UNIT_SECOND) ? "second(s)" : "minute(s)");
return nonseekable_open(inode, file);
}
@@ -367,10 +377,12 @@ static int wb_smsc_wdt_release(struct inode *inode, struct file *file)
/* Shut off the timer. */
if (expect_close == 42) {
- wb_smsc_wdt_disable();
- printk(KERN_INFO MODNAME "Watchdog disabled, sleeping again...\n");
+ wb_smsc_wdt_disable();
+ printk(KERN_INFO MODNAME
+ "Watchdog disabled, sleeping again...\n");
} else {
- printk(KERN_CRIT MODNAME "Unexpected close, not stopping watchdog!\n");
+ printk(KERN_CRIT MODNAME
+ "Unexpected close, not stopping watchdog!\n");
wb_smsc_wdt_reset_timer();
}
@@ -392,10 +404,11 @@ static ssize_t wb_smsc_wdt_write(struct file *file, const char __user *data,
/* reset expect flag */
expect_close = 0;
- /* scan to see whether or not we got the magic character */
+ /* scan to see whether or not we got the
+ magic character */
for (i = 0; i != len; i++) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
@@ -410,8 +423,8 @@ static ssize_t wb_smsc_wdt_write(struct file *file, const char __user *data,
/* ioctl => control interface */
-static int wb_smsc_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long wb_smsc_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int new_timeout;
@@ -420,89 +433,73 @@ static int wb_smsc_wdt_ioctl(struct inode *inode, struct file *file,
int __user *i;
} uarg;
- static struct watchdog_info ident = {
+ static const struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING |
- WDIOF_SETTIMEOUT |
+ WDIOF_SETTIMEOUT |
WDIOF_MAGICCLOSE,
.firmware_version = 0,
- .identity = "SMsC 37B787 Watchdog"
+ .identity = "SMsC 37B787 Watchdog",
};
uarg.i = (int __user *)arg;
switch (cmd) {
- default:
- return -ENOTTY;
-
- case WDIOC_GETSUPPORT:
- return copy_to_user(uarg.ident, &ident,
- sizeof(ident)) ? -EFAULT : 0;
-
- case WDIOC_GETSTATUS:
- return put_user(wb_smsc_wdt_status(), uarg.i);
-
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, uarg.i);
-
- case WDIOC_KEEPALIVE:
- wb_smsc_wdt_reset_timer();
- return 0;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(new_timeout, uarg.i))
- return -EFAULT;
-
- // the API states this is given in secs
- if (unit == UNIT_MINUTE)
- new_timeout /= 60;
-
- if (new_timeout < 0 || new_timeout > MAX_TIMEOUT)
- return -EINVAL;
-
- timeout = new_timeout;
- wb_smsc_wdt_set_timeout(timeout);
-
- // fall through and return the new timeout...
-
- case WDIOC_GETTIMEOUT:
-
- new_timeout = timeout;
-
- if (unit == UNIT_MINUTE)
- new_timeout *= 60;
-
- return put_user(new_timeout, uarg.i);
-
- case WDIOC_SETOPTIONS:
- {
- int options, retval = -EINVAL;
-
- if (get_user(options, uarg.i))
- return -EFAULT;
-
- if (options & WDIOS_DISABLECARD) {
- wb_smsc_wdt_disable();
- retval = 0;
- }
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(uarg.ident, &ident, sizeof(ident))
+ ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ return put_user(wb_smsc_wdt_status(), uarg.i);
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, uarg.i);
+ case WDIOC_SETOPTIONS:
+ {
+ int options, retval = -EINVAL;
- if (options & WDIOS_ENABLECARD) {
- wb_smsc_wdt_enable();
- retval = 0;
- }
+ if (get_user(options, uarg.i))
+ return -EFAULT;
- return retval;
+ if (options & WDIOS_DISABLECARD) {
+ wb_smsc_wdt_disable();
+ retval = 0;
+ }
+ if (options & WDIOS_ENABLECARD) {
+ wb_smsc_wdt_enable();
+ retval = 0;
}
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ wb_smsc_wdt_reset_timer();
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_timeout, uarg.i))
+ return -EFAULT;
+ /* the API states this is given in secs */
+ if (unit == UNIT_MINUTE)
+ new_timeout /= 60;
+ if (new_timeout < 0 || new_timeout > MAX_TIMEOUT)
+ return -EINVAL;
+ timeout = new_timeout;
+ wb_smsc_wdt_set_timeout(timeout);
+ /* fall through and return the new timeout... */
+ case WDIOC_GETTIMEOUT:
+ new_timeout = timeout;
+ if (unit == UNIT_MINUTE)
+ new_timeout *= 60;
+ return put_user(new_timeout, uarg.i);
+ default:
+ return -ENOTTY;
}
}
/* -- Notifier funtions -----------------------------------------*/
-static int wb_smsc_wdt_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
+static int wb_smsc_wdt_notify_sys(struct notifier_block *this,
+ unsigned long code, void *unused)
{
- if (code == SYS_DOWN || code == SYS_HALT)
- {
- // set timeout to 0, to avoid possible race-condition
- timeout = 0;
+ if (code == SYS_DOWN || code == SYS_HALT) {
+ /* set timeout to 0, to avoid possible race-condition */
+ timeout = 0;
wb_smsc_wdt_disable();
}
return NOTIFY_DONE;
@@ -510,23 +507,20 @@ static int wb_smsc_wdt_notify_sys(struct notifier_block *this, unsigned long cod
/* -- Module's structures ---------------------------------------*/
-static const struct file_operations wb_smsc_wdt_fops =
-{
- .owner = THIS_MODULE,
+static const struct file_operations wb_smsc_wdt_fops = {
+ .owner = THIS_MODULE,
.llseek = no_llseek,
.write = wb_smsc_wdt_write,
- .ioctl = wb_smsc_wdt_ioctl,
+ .unlocked_ioctl = wb_smsc_wdt_ioctl,
.open = wb_smsc_wdt_open,
.release = wb_smsc_wdt_release,
};
-static struct notifier_block wb_smsc_wdt_notifier =
-{
+static struct notifier_block wb_smsc_wdt_notifier = {
.notifier_call = wb_smsc_wdt_notify_sys,
};
-static struct miscdevice wb_smsc_wdt_miscdev =
-{
+static struct miscdevice wb_smsc_wdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &wb_smsc_wdt_fops,
@@ -540,39 +534,44 @@ static int __init wb_smsc_wdt_init(void)
{
int ret;
- printk("SMsC 37B787 watchdog component driver " VERSION " initialising...\n");
+ printk(KERN_INFO "SMsC 37B787 watchdog component driver "
+ VERSION " initialising...\n");
if (!request_region(IOPORT, IOPORT_SIZE, "SMsC 37B787 watchdog")) {
- printk(KERN_ERR MODNAME "Unable to register IO port %#x\n", IOPORT);
+ printk(KERN_ERR MODNAME "Unable to register IO port %#x\n",
+ IOPORT);
ret = -EBUSY;
goto out_pnp;
}
- // set new maximum, if it's too big
- if (timeout > MAX_TIMEOUT)
- timeout = MAX_TIMEOUT;
+ /* set new maximum, if it's too big */
+ if (timeout > MAX_TIMEOUT)
+ timeout = MAX_TIMEOUT;
- // init the watchdog timer
- wb_smsc_wdt_initialize();
+ /* init the watchdog timer */
+ wb_smsc_wdt_initialize();
ret = register_reboot_notifier(&wb_smsc_wdt_notifier);
if (ret) {
- printk(KERN_ERR MODNAME "Unable to register reboot notifier err = %d\n", ret);
+ printk(KERN_ERR MODNAME
+ "Unable to register reboot notifier err = %d\n", ret);
goto out_io;
}
ret = misc_register(&wb_smsc_wdt_miscdev);
if (ret) {
- printk(KERN_ERR MODNAME "Unable to register miscdev on minor %d\n", WATCHDOG_MINOR);
+ printk(KERN_ERR MODNAME
+ "Unable to register miscdev on minor %d\n",
+ WATCHDOG_MINOR);
goto out_rbt;
}
- // output info
- printk(KERN_INFO MODNAME "Timeout set to %d %s.\n", timeout, (unit == UNIT_SECOND) ? "second(s)" : "minute(s)");
- printk(KERN_INFO MODNAME "Watchdog initialized and sleeping (nowayout=%d)...\n", nowayout);
-
- // ret = 0
-
+ /* output info */
+ printk(KERN_INFO MODNAME "Timeout set to %d %s.\n",
+ timeout, (unit == UNIT_SECOND) ? "second(s)" : "minute(s)");
+ printk(KERN_INFO MODNAME
+ "Watchdog initialized and sleeping (nowayout=%d)...\n",
+ nowayout);
out_clean:
return ret;
@@ -591,8 +590,7 @@ out_pnp:
static void __exit wb_smsc_wdt_exit(void)
{
/* Stop the timer before we leave */
- if (!nowayout)
- {
+ if (!nowayout) {
wb_smsc_wdt_shutdown();
printk(KERN_INFO MODNAME "Watchdog disabled.\n");
}
@@ -601,25 +599,29 @@ static void __exit wb_smsc_wdt_exit(void)
unregister_reboot_notifier(&wb_smsc_wdt_notifier);
release_region(IOPORT, IOPORT_SIZE);
- printk("SMsC 37B787 watchdog component driver removed.\n");
+ printk(KERN_INFO "SMsC 37B787 watchdog component driver removed.\n");
}
module_init(wb_smsc_wdt_init);
module_exit(wb_smsc_wdt_exit);
MODULE_AUTHOR("Sven Anders <anders@anduras.de>");
-MODULE_DESCRIPTION("Driver for SMsC 37B787 watchdog component (Version " VERSION ")");
+MODULE_DESCRIPTION("Driver for SMsC 37B787 watchdog component (Version "
+ VERSION ")");
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
#ifdef SMSC_SUPPORT_MINUTES
module_param(unit, int, 0);
-MODULE_PARM_DESC(unit, "set unit to use, 0=seconds or 1=minutes, default is 0");
+MODULE_PARM_DESC(unit,
+ "set unit to use, 0=seconds or 1=minutes, default is 0");
#endif
module_param(timeout, int, 0);
MODULE_PARM_DESC(timeout, "range is 1-255 units, default is 60");
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
diff --git a/drivers/watchdog/softdog.c b/drivers/watchdog/softdog.c
index 9c369490924..c650464c5c6 100644
--- a/drivers/watchdog/softdog.c
+++ b/drivers/watchdog/softdog.c
@@ -47,19 +47,22 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/jiffies.h>
-
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#define PFX "SoftDog: "
#define TIMER_MARGIN 60 /* Default is 60 seconds */
static int soft_margin = TIMER_MARGIN; /* in seconds */
module_param(soft_margin, int, 0);
-MODULE_PARM_DESC(soft_margin, "Watchdog soft_margin in seconds. (0<soft_margin<65536, default=" __MODULE_STRING(TIMER_MARGIN) ")");
+MODULE_PARM_DESC(soft_margin,
+ "Watchdog soft_margin in seconds. (0 < soft_margin < 65536, default="
+ __MODULE_STRING(TIMER_MARGIN) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
#ifdef ONLY_TESTING
static int soft_noboot = 1;
@@ -93,8 +96,7 @@ static void watchdog_fire(unsigned long data)
if (soft_noboot)
printk(KERN_CRIT PFX "Triggered - Reboot ignored.\n");
- else
- {
+ else {
printk(KERN_CRIT PFX "Initiating system reboot.\n");
emergency_restart();
printk(KERN_CRIT PFX "Reboot didn't ?????\n");
@@ -153,7 +155,8 @@ static int softdog_release(struct inode *inode, struct file *file)
softdog_stop();
module_put(THIS_MODULE);
} else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
set_bit(0, &orphan_timer);
softdog_keepalive();
}
@@ -162,12 +165,13 @@ static int softdog_release(struct inode *inode, struct file *file)
return 0;
}
-static ssize_t softdog_write(struct file *file, const char __user *data, size_t len, loff_t *ppos)
+static ssize_t softdog_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
{
/*
* Refresh the timer.
*/
- if(len) {
+ if (len) {
if (!nowayout) {
size_t i;
@@ -188,13 +192,13 @@ static ssize_t softdog_write(struct file *file, const char __user *data, size_t
return len;
}
-static int softdog_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long softdog_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
int new_margin;
- static struct watchdog_info ident = {
+ static const struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT |
WDIOF_KEEPALIVEPING |
WDIOF_MAGICCLOSE,
@@ -202,26 +206,25 @@ static int softdog_ioctl(struct inode *inode, struct file *file,
.identity = "Software Watchdog",
};
switch (cmd) {
- default:
- return -ENOTTY;
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident,
- sizeof(ident)) ? -EFAULT : 0;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
- case WDIOC_KEEPALIVE:
- softdog_keepalive();
- return 0;
- case WDIOC_SETTIMEOUT:
- if (get_user(new_margin, p))
- return -EFAULT;
- if (softdog_set_heartbeat(new_margin))
- return -EINVAL;
- softdog_keepalive();
- /* Fall */
- case WDIOC_GETTIMEOUT:
- return put_user(soft_margin, p);
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_KEEPALIVE:
+ softdog_keepalive();
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_margin, p))
+ return -EFAULT;
+ if (softdog_set_heartbeat(new_margin))
+ return -EINVAL;
+ softdog_keepalive();
+ /* Fall */
+ case WDIOC_GETTIMEOUT:
+ return put_user(soft_margin, p);
+ default:
+ return -ENOTTY;
}
}
@@ -232,10 +235,9 @@ static int softdog_ioctl(struct inode *inode, struct file *file,
static int softdog_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if(code==SYS_DOWN || code==SYS_HALT) {
+ if (code == SYS_DOWN || code == SYS_HALT)
/* Turn the WDT off */
softdog_stop();
- }
return NOTIFY_DONE;
}
@@ -247,7 +249,7 @@ static const struct file_operations softdog_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = softdog_write,
- .ioctl = softdog_ioctl,
+ .unlocked_ioctl = softdog_ioctl,
.open = softdog_open,
.release = softdog_release,
};
@@ -268,24 +270,27 @@ static int __init watchdog_init(void)
{
int ret;
- /* Check that the soft_margin value is within it's range ; if not reset to the default */
+ /* Check that the soft_margin value is within it's range;
+ if not reset to the default */
if (softdog_set_heartbeat(soft_margin)) {
softdog_set_heartbeat(TIMER_MARGIN);
- printk(KERN_INFO PFX "soft_margin value must be 0<soft_margin<65536, using %d\n",
+ printk(KERN_INFO PFX
+ "soft_margin must be 0 < soft_margin < 65536, using %d\n",
TIMER_MARGIN);
}
ret = register_reboot_notifier(&softdog_notifier);
if (ret) {
- printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- ret);
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", ret);
return ret;
}
ret = misc_register(&softdog_miscdev);
if (ret) {
- printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
unregister_reboot_notifier(&softdog_notifier);
return ret;
}
diff --git a/drivers/watchdog/txx9wdt.c b/drivers/watchdog/txx9wdt.c
index 57cefef27ce..dbbc018a5f4 100644
--- a/drivers/watchdog/txx9wdt.c
+++ b/drivers/watchdog/txx9wdt.c
@@ -45,27 +45,34 @@ static unsigned long txx9wdt_alive;
static int expect_close;
static struct txx9_tmr_reg __iomem *txx9wdt_reg;
static struct clk *txx9_imclk;
+static DECLARE_LOCK(txx9_lock);
static void txx9wdt_ping(void)
{
+ spin_lock(&txx9_lock);
__raw_writel(TXx9_TMWTMR_TWIE | TXx9_TMWTMR_TWC, &txx9wdt_reg->wtmr);
+ spin_unlock(&txx9_lock);
}
static void txx9wdt_start(void)
{
+ spin_lock(&txx9_lock);
__raw_writel(WD_TIMER_CLK * timeout, &txx9wdt_reg->cpra);
__raw_writel(WD_TIMER_CCD, &txx9wdt_reg->ccdr);
__raw_writel(0, &txx9wdt_reg->tisr); /* clear pending interrupt */
__raw_writel(TXx9_TMTCR_TCE | TXx9_TMTCR_CCDE | TXx9_TMTCR_TMODE_WDOG,
&txx9wdt_reg->tcr);
__raw_writel(TXx9_TMWTMR_TWIE | TXx9_TMWTMR_TWC, &txx9wdt_reg->wtmr);
+ spin_unlock(&txx9_lock);
}
static void txx9wdt_stop(void)
{
+ spin_lock(&txx9_lock);
__raw_writel(TXx9_TMWTMR_WDIS, &txx9wdt_reg->wtmr);
__raw_writel(__raw_readl(&txx9wdt_reg->tcr) & ~TXx9_TMTCR_TCE,
&txx9wdt_reg->tcr);
+ spin_unlock(&txx9_lock);
}
static int txx9wdt_open(struct inode *inode, struct file *file)
@@ -120,13 +127,13 @@ static ssize_t txx9wdt_write(struct file *file, const char __user *data,
return len;
}
-static int txx9wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long txx9wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
int new_timeout;
- static struct watchdog_info ident = {
+ static const struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT |
WDIOF_KEEPALIVEPING |
WDIOF_MAGICCLOSE,
@@ -135,8 +142,6 @@ static int txx9wdt_ioctl(struct inode *inode, struct file *file,
};
switch (cmd) {
- default:
- return -ENOTTY;
case WDIOC_GETSUPPORT:
return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
@@ -156,6 +161,8 @@ static int txx9wdt_ioctl(struct inode *inode, struct file *file,
/* Fall */
case WDIOC_GETTIMEOUT:
return put_user(timeout, p);
+ default:
+ return -ENOTTY;
}
}
@@ -168,22 +175,22 @@ static int txx9wdt_notify_sys(struct notifier_block *this, unsigned long code,
}
static const struct file_operations txx9wdt_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .write = txx9wdt_write,
- .ioctl = txx9wdt_ioctl,
- .open = txx9wdt_open,
- .release = txx9wdt_release,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = txx9wdt_write,
+ .unlocked_ioctl = txx9wdt_ioctl,
+ .open = txx9wdt_open,
+ .release = txx9wdt_release,
};
static struct miscdevice txx9wdt_miscdev = {
- .minor = WATCHDOG_MINOR,
- .name = "watchdog",
- .fops = &txx9wdt_fops,
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &txx9wdt_fops,
};
static struct notifier_block txx9wdt_notifier = {
- .notifier_call = txx9wdt_notify_sys
+ .notifier_call = txx9wdt_notify_sys,
};
static int __init txx9wdt_probe(struct platform_device *dev)
diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c
index 386492821fc..69396adaa5c 100644
--- a/drivers/watchdog/w83627hf_wdt.c
+++ b/drivers/watchdog/w83627hf_wdt.c
@@ -37,9 +37,9 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
#define WATCHDOG_NAME "w83627hf/thf/hg WDT"
@@ -57,22 +57,26 @@ MODULE_PARM_DESC(wdt_io, "w83627hf/thf WDT io port (default 0x2E)");
static int timeout = WATCHDOG_TIMEOUT; /* in seconds */
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=255, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ".");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. 1 <= timeout <= 255, default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ".");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Kernel methods.
*/
#define WDT_EFER (wdt_io+0) /* Extended Function Enable Registers */
-#define WDT_EFIR (wdt_io+0) /* Extended Function Index Register (same as EFER) */
+#define WDT_EFIR (wdt_io+0) /* Extended Function Index Register
+ (same as EFER) */
#define WDT_EFDR (WDT_EFIR+1) /* Extended Function Data Register */
-static void
-w83627hf_select_wd_register(void)
+static void w83627hf_select_wd_register(void)
{
unsigned char c;
outb_p(0x87, WDT_EFER); /* Enter extended function mode */
@@ -93,43 +97,45 @@ w83627hf_select_wd_register(void)
outb_p(0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */
}
-static void
-w83627hf_unselect_wd_register(void)
+static void w83627hf_unselect_wd_register(void)
{
outb_p(0xAA, WDT_EFER); /* Leave extended function mode */
}
/* tyan motherboards seem to set F5 to 0x4C ?
* So explicitly init to appropriate value. */
-static void
-w83627hf_init(void)
+
+static void w83627hf_init(void)
{
unsigned char t;
w83627hf_select_wd_register();
outb_p(0xF6, WDT_EFER); /* Select CRF6 */
- t=inb_p(WDT_EFDR); /* read CRF6 */
+ t = inb_p(WDT_EFDR); /* read CRF6 */
if (t != 0) {
- printk (KERN_INFO PFX "Watchdog already running. Resetting timeout to %d sec\n", timeout);
+ printk(KERN_INFO PFX
+ "Watchdog already running. Resetting timeout to %d sec\n",
+ timeout);
outb_p(timeout, WDT_EFDR); /* Write back to CRF6 */
}
outb_p(0xF5, WDT_EFER); /* Select CRF5 */
- t=inb_p(WDT_EFDR); /* read CRF5 */
- t&=~0x0C; /* set second mode & disable keyboard turning off watchdog */
+ t = inb_p(WDT_EFDR); /* read CRF5 */
+ t &= ~0x0C; /* set second mode & disable keyboard
+ turning off watchdog */
outb_p(t, WDT_EFDR); /* Write back to CRF5 */
outb_p(0xF7, WDT_EFER); /* Select CRF7 */
- t=inb_p(WDT_EFDR); /* read CRF7 */
- t&=~0xC0; /* disable keyboard & mouse turning off watchdog */
+ t = inb_p(WDT_EFDR); /* read CRF7 */
+ t &= ~0xC0; /* disable keyboard & mouse turning off
+ watchdog */
outb_p(t, WDT_EFDR); /* Write back to CRF7 */
w83627hf_unselect_wd_register();
}
-static void
-wdt_ctrl(int timeout)
+static void wdt_ctrl(int timeout)
{
spin_lock(&io_lock);
@@ -143,32 +149,28 @@ wdt_ctrl(int timeout)
spin_unlock(&io_lock);
}
-static int
-wdt_ping(void)
+static int wdt_ping(void)
{
wdt_ctrl(timeout);
return 0;
}
-static int
-wdt_disable(void)
+static int wdt_disable(void)
{
wdt_ctrl(0);
return 0;
}
-static int
-wdt_set_heartbeat(int t)
+static int wdt_set_heartbeat(int t)
{
- if ((t < 1) || (t > 255))
+ if (t < 1 || t > 255)
return -EINVAL;
-
timeout = t;
return 0;
}
-static ssize_t
-wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
+static ssize_t wdt_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
if (count) {
if (!nowayout) {
@@ -178,7 +180,7 @@ wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
for (i = 0; i != count; i++) {
char c;
- if (get_user(c, buf+i))
+ if (get_user(c, buf + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
@@ -189,72 +191,61 @@ wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
return count;
}
-static int
-wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
int new_timeout;
static struct watchdog_info ident = {
- .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+ .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
+ WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "W83627HF WDT",
};
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user(argp, &ident, sizeof(ident)))
- return -EFAULT;
- break;
-
+ if (copy_to_user(argp, &ident, sizeof(ident)))
+ return -EFAULT;
+ break;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
-
- case WDIOC_KEEPALIVE:
- wdt_ping();
- break;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(new_timeout, p))
- return -EFAULT;
- if (wdt_set_heartbeat(new_timeout))
- return -EINVAL;
- wdt_ping();
- /* Fall */
-
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
-
+ return put_user(0, p);
case WDIOC_SETOPTIONS:
{
- int options, retval = -EINVAL;
-
- if (get_user(options, p))
- return -EFAULT;
-
- if (options & WDIOS_DISABLECARD) {
- wdt_disable();
- retval = 0;
- }
-
- if (options & WDIOS_ENABLECARD) {
- wdt_ping();
- retval = 0;
- }
+ int options, retval = -EINVAL;
- return retval;
+ if (get_user(options, p))
+ return -EFAULT;
+ if (options & WDIOS_DISABLECARD) {
+ wdt_disable();
+ retval = 0;
+ }
+ if (options & WDIOS_ENABLECARD) {
+ wdt_ping();
+ retval = 0;
+ }
+ return retval;
}
-
+ case WDIOC_KEEPALIVE:
+ wdt_ping();
+ break;
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+ if (wdt_set_heartbeat(new_timeout))
+ return -EINVAL;
+ wdt_ping();
+ /* Fall */
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
default:
- return -ENOTTY;
+ return -ENOTTY;
}
return 0;
}
-static int
-wdt_open(struct inode *inode, struct file *file)
+static int wdt_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(0, &wdt_is_open))
return -EBUSY;
@@ -266,13 +257,13 @@ wdt_open(struct inode *inode, struct file *file)
return nonseekable_open(inode, file);
}
-static int
-wdt_close(struct inode *inode, struct file *file)
+static int wdt_close(struct inode *inode, struct file *file)
{
- if (expect_close == 42) {
+ if (expect_close == 42)
wdt_disable();
- } else {
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ else {
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
wdt_ping();
}
expect_close = 0;
@@ -284,14 +275,12 @@ wdt_close(struct inode *inode, struct file *file)
* Notifier for system down
*/
-static int
-wdt_notify_sys(struct notifier_block *this, unsigned long code,
+static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if (code == SYS_DOWN || code == SYS_HALT) {
- /* Turn the WDT off */
- wdt_disable();
- }
+ if (code == SYS_DOWN || code == SYS_HALT)
+ wdt_disable(); /* Turn the WDT off */
+
return NOTIFY_DONE;
}
@@ -303,7 +292,7 @@ static const struct file_operations wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wdt_write,
- .ioctl = wdt_ioctl,
+ .unlocked_ioctl = wdt_ioctl,
.open = wdt_open,
.release = wdt_close,
};
@@ -323,8 +312,7 @@ static struct notifier_block wdt_notifier = {
.notifier_call = wdt_notify_sys,
};
-static int __init
-wdt_init(void)
+static int __init wdt_init(void)
{
int ret;
@@ -332,12 +320,13 @@ wdt_init(void)
if (wdt_set_heartbeat(timeout)) {
wdt_set_heartbeat(WATCHDOG_TIMEOUT);
- printk (KERN_INFO PFX "timeout value must be 1<=timeout<=255, using %d\n",
- WATCHDOG_TIMEOUT);
+ printk(KERN_INFO PFX
+ "timeout value must be 1 <= timeout <= 255, using %d\n",
+ WATCHDOG_TIMEOUT);
}
if (!request_region(wdt_io, 1, WATCHDOG_NAME)) {
- printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
+ printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
wdt_io);
ret = -EIO;
goto out;
@@ -347,20 +336,22 @@ wdt_init(void)
ret = register_reboot_notifier(&wdt_notifier);
if (ret != 0) {
- printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- ret);
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", ret);
goto unreg_regions;
}
ret = misc_register(&wdt_miscdev);
if (ret != 0) {
- printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto unreg_reboot;
}
- printk (KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
- timeout, nowayout);
+ printk(KERN_INFO PFX
+ "initialized. timeout=%d sec (nowayout=%d)\n",
+ timeout, nowayout);
out:
return ret;
@@ -371,12 +362,11 @@ unreg_regions:
goto out;
}
-static void __exit
-wdt_exit(void)
+static void __exit wdt_exit(void)
{
misc_deregister(&wdt_miscdev);
unregister_reboot_notifier(&wdt_notifier);
- release_region(wdt_io,1);
+ release_region(wdt_io, 1);
}
module_init(wdt_init);
diff --git a/drivers/watchdog/w83697hf_wdt.c b/drivers/watchdog/w83697hf_wdt.c
index 528b882420b..445d30a01ed 100644
--- a/drivers/watchdog/w83697hf_wdt.c
+++ b/drivers/watchdog/w83697hf_wdt.c
@@ -36,9 +36,9 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/system.h>
#define WATCHDOG_NAME "w83697hf/hg WDT"
@@ -53,37 +53,43 @@ static DEFINE_SPINLOCK(io_lock);
/* You must set this - there is no sane way to probe for this board. */
static int wdt_io = 0x2e;
module_param(wdt_io, int, 0);
-MODULE_PARM_DESC(wdt_io, "w83697hf/hg WDT io port (default 0x2e, 0 = autodetect)");
+MODULE_PARM_DESC(wdt_io,
+ "w83697hf/hg WDT io port (default 0x2e, 0 = autodetect)");
static int timeout = WATCHDOG_TIMEOUT; /* in seconds */
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=255 (default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. 1<= timeout <=255 (default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static int early_disable = WATCHDOG_EARLY_DISABLE;
module_param(early_disable, int, 0);
-MODULE_PARM_DESC(early_disable, "Watchdog gets disabled at boot time (default=" __MODULE_STRING(WATCHDOG_EARLY_DISABLE) ")");
+MODULE_PARM_DESC(early_disable,
+ "Watchdog gets disabled at boot time (default="
+ __MODULE_STRING(WATCHDOG_EARLY_DISABLE) ")");
/*
* Kernel methods.
*/
-#define W83697HF_EFER (wdt_io+0) /* Extended Function Enable Register */
-#define W83697HF_EFIR (wdt_io+0) /* Extended Function Index Register (same as EFER) */
-#define W83697HF_EFDR (wdt_io+1) /* Extended Function Data Register */
+#define W83697HF_EFER (wdt_io + 0) /* Extended Function Enable Register */
+#define W83697HF_EFIR (wdt_io + 0) /* Extended Function Index Register
+ (same as EFER) */
+#define W83697HF_EFDR (wdt_io + 1) /* Extended Function Data Register */
-static inline void
-w83697hf_unlock(void)
+static inline void w83697hf_unlock(void)
{
outb_p(0x87, W83697HF_EFER); /* Enter extended function mode */
outb_p(0x87, W83697HF_EFER); /* Again according to manual */
}
-static inline void
-w83697hf_lock(void)
+static inline void w83697hf_lock(void)
{
outb_p(0xAA, W83697HF_EFER); /* Leave extended function mode */
}
@@ -93,41 +99,36 @@ w83697hf_lock(void)
* w83697hf_write_timeout() must be called with the device unlocked.
*/
-static unsigned char
-w83697hf_get_reg(unsigned char reg)
+static unsigned char w83697hf_get_reg(unsigned char reg)
{
outb_p(reg, W83697HF_EFIR);
return inb_p(W83697HF_EFDR);
}
-static void
-w83697hf_set_reg(unsigned char reg, unsigned char data)
+static void w83697hf_set_reg(unsigned char reg, unsigned char data)
{
outb_p(reg, W83697HF_EFIR);
outb_p(data, W83697HF_EFDR);
}
-static void
-w83697hf_write_timeout(int timeout)
+static void w83697hf_write_timeout(int timeout)
{
- w83697hf_set_reg(0xF4, timeout); /* Write Timeout counter to CRF4 */
+ /* Write Timeout counter to CRF4 */
+ w83697hf_set_reg(0xF4, timeout);
}
-static void
-w83697hf_select_wdt(void)
+static void w83697hf_select_wdt(void)
{
w83697hf_unlock();
w83697hf_set_reg(0x07, 0x08); /* Switch to logic device 8 (GPIO2) */
}
-static inline void
-w83697hf_deselect_wdt(void)
+static inline void w83697hf_deselect_wdt(void)
{
w83697hf_lock();
}
-static void
-w83697hf_init(void)
+static void w83697hf_init(void)
{
unsigned char bbuf;
@@ -136,7 +137,9 @@ w83697hf_init(void)
bbuf = w83697hf_get_reg(0x29);
bbuf &= ~0x60;
bbuf |= 0x20;
- w83697hf_set_reg(0x29, bbuf); /* Set pin 119 to WDTO# mode (= CR29, WDT0) */
+
+ /* Set pin 119 to WDTO# mode (= CR29, WDT0) */
+ w83697hf_set_reg(0x29, bbuf);
bbuf = w83697hf_get_reg(0xF3);
bbuf &= ~0x04;
@@ -145,8 +148,7 @@ w83697hf_init(void)
w83697hf_deselect_wdt();
}
-static void
-wdt_ping(void)
+static void wdt_ping(void)
{
spin_lock(&io_lock);
w83697hf_select_wdt();
@@ -157,8 +159,7 @@ wdt_ping(void)
spin_unlock(&io_lock);
}
-static void
-wdt_enable(void)
+static void wdt_enable(void)
{
spin_lock(&io_lock);
w83697hf_select_wdt();
@@ -170,8 +171,7 @@ wdt_enable(void)
spin_unlock(&io_lock);
}
-static void
-wdt_disable(void)
+static void wdt_disable(void)
{
spin_lock(&io_lock);
w83697hf_select_wdt();
@@ -183,8 +183,7 @@ wdt_disable(void)
spin_unlock(&io_lock);
}
-static unsigned char
-wdt_running(void)
+static unsigned char wdt_running(void)
{
unsigned char t;
@@ -199,18 +198,17 @@ wdt_running(void)
return t;
}
-static int
-wdt_set_heartbeat(int t)
+static int wdt_set_heartbeat(int t)
{
- if ((t < 1) || (t > 255))
+ if (t < 1 || t > 255)
return -EINVAL;
timeout = t;
return 0;
}
-static ssize_t
-wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
+static ssize_t wdt_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
if (count) {
if (!nowayout) {
@@ -220,7 +218,7 @@ wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
for (i = 0; i != count; i++) {
char c;
- if (get_user(c, buf+i))
+ if (get_user(c, buf + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
@@ -231,15 +229,14 @@ wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
return count;
}
-static int
-wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
int new_timeout;
- static struct watchdog_info ident = {
- .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+ static const struct watchdog_info ident = {
+ .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT
+ | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "W83697HF WDT",
};
@@ -254,21 +251,6 @@ wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
- case WDIOC_KEEPALIVE:
- wdt_ping();
- break;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(new_timeout, p))
- return -EFAULT;
- if (wdt_set_heartbeat(new_timeout))
- return -EINVAL;
- wdt_ping();
- /* Fall */
-
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
-
case WDIOC_SETOPTIONS:
{
int options, retval = -EINVAL;
@@ -289,14 +271,28 @@ wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
return retval;
}
+ case WDIOC_KEEPALIVE:
+ wdt_ping();
+ break;
+
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+ if (wdt_set_heartbeat(new_timeout))
+ return -EINVAL;
+ wdt_ping();
+ /* Fall */
+
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
+
default:
return -ENOTTY;
}
return 0;
}
-static int
-wdt_open(struct inode *inode, struct file *file)
+static int wdt_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(0, &wdt_is_open))
return -EBUSY;
@@ -308,13 +304,13 @@ wdt_open(struct inode *inode, struct file *file)
return nonseekable_open(inode, file);
}
-static int
-wdt_close(struct inode *inode, struct file *file)
+static int wdt_close(struct inode *inode, struct file *file)
{
- if (expect_close == 42) {
+ if (expect_close == 42)
wdt_disable();
- } else {
- printk (KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ else {
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
wdt_ping();
}
expect_close = 0;
@@ -326,14 +322,12 @@ wdt_close(struct inode *inode, struct file *file)
* Notifier for system down
*/
-static int
-wdt_notify_sys(struct notifier_block *this, unsigned long code,
+static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if (code == SYS_DOWN || code == SYS_HALT) {
- /* Turn the WDT off */
- wdt_disable();
- }
+ if (code == SYS_DOWN || code == SYS_HALT)
+ wdt_disable(); /* Turn the WDT off */
+
return NOTIFY_DONE;
}
@@ -345,7 +339,7 @@ static const struct file_operations wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wdt_write,
- .ioctl = wdt_ioctl,
+ .unlocked_ioctl = wdt_ioctl,
.open = wdt_open,
.release = wdt_close,
};
@@ -365,36 +359,38 @@ static struct notifier_block wdt_notifier = {
.notifier_call = wdt_notify_sys,
};
-static int
-w83697hf_check_wdt(void)
+static int w83697hf_check_wdt(void)
{
if (!request_region(wdt_io, 2, WATCHDOG_NAME)) {
- printk (KERN_ERR PFX "I/O address 0x%x already in use\n", wdt_io);
+ printk(KERN_ERR PFX
+ "I/O address 0x%x already in use\n", wdt_io);
return -EIO;
}
- printk (KERN_DEBUG PFX "Looking for watchdog at address 0x%x\n", wdt_io);
+ printk(KERN_DEBUG PFX
+ "Looking for watchdog at address 0x%x\n", wdt_io);
w83697hf_unlock();
if (w83697hf_get_reg(0x20) == 0x60) {
- printk (KERN_INFO PFX "watchdog found at address 0x%x\n", wdt_io);
+ printk(KERN_INFO PFX
+ "watchdog found at address 0x%x\n", wdt_io);
w83697hf_lock();
return 0;
}
- w83697hf_lock(); /* Reprotect in case it was a compatible device */
+ /* Reprotect in case it was a compatible device */
+ w83697hf_lock();
- printk (KERN_INFO PFX "watchdog not found at address 0x%x\n", wdt_io);
+ printk(KERN_INFO PFX "watchdog not found at address 0x%x\n", wdt_io);
release_region(wdt_io, 2);
return -EIO;
}
static int w83697hf_ioports[] = { 0x2e, 0x4e, 0x00 };
-static int __init
-wdt_init(void)
+static int __init wdt_init(void)
{
int ret, i, found = 0;
- printk (KERN_INFO PFX "WDT driver for W83697HF/HG initializing\n");
+ printk(KERN_INFO PFX "WDT driver for W83697HF/HG initializing\n");
if (wdt_io == 0) {
/* we will autodetect the W83697HF/HG watchdog */
@@ -409,7 +405,7 @@ wdt_init(void)
}
if (!found) {
- printk (KERN_ERR PFX "No W83697HF/HG could be found\n");
+ printk(KERN_ERR PFX "No W83697HF/HG could be found\n");
ret = -EIO;
goto out;
}
@@ -417,31 +413,33 @@ wdt_init(void)
w83697hf_init();
if (early_disable) {
if (wdt_running())
- printk (KERN_WARNING PFX "Stopping previously enabled watchdog until userland kicks in\n");
+ printk(KERN_WARNING PFX "Stopping previously enabled watchdog until userland kicks in\n");
wdt_disable();
}
if (wdt_set_heartbeat(timeout)) {
wdt_set_heartbeat(WATCHDOG_TIMEOUT);
- printk (KERN_INFO PFX "timeout value must be 1<=timeout<=255, using %d\n",
- WATCHDOG_TIMEOUT);
+ printk(KERN_INFO PFX
+ "timeout value must be 1 <= timeout <= 255, using %d\n",
+ WATCHDOG_TIMEOUT);
}
ret = register_reboot_notifier(&wdt_notifier);
if (ret != 0) {
- printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- ret);
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", ret);
goto unreg_regions;
}
ret = misc_register(&wdt_miscdev);
if (ret != 0) {
- printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto unreg_reboot;
}
- printk (KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
+ printk(KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
timeout, nowayout);
out:
@@ -453,8 +451,7 @@ unreg_regions:
goto out;
}
-static void __exit
-wdt_exit(void)
+static void __exit wdt_exit(void)
{
misc_deregister(&wdt_miscdev);
unregister_reboot_notifier(&wdt_notifier);
diff --git a/drivers/watchdog/w83877f_wdt.c b/drivers/watchdog/w83877f_wdt.c
index f510a3a595e..24587d2060c 100644
--- a/drivers/watchdog/w83877f_wdt.c
+++ b/drivers/watchdog/w83877f_wdt.c
@@ -23,13 +23,16 @@
* Added KERN_* tags to printks
* add CONFIG_WATCHDOG_NOWAYOUT support
* fix possible wdt_is_open race
- * changed watchdog_info to correctly reflect what the driver offers
- * added WDIOC_GETSTATUS, WDIOC_GETBOOTSTATUS, WDIOC_SETTIMEOUT,
+ * changed watchdog_info to correctly reflect what
+ * the driver offers
+ * added WDIOC_GETSTATUS, WDIOC_GETBOOTSTATUS,
+ * WDIOC_SETTIMEOUT,
* WDIOC_GETTIMEOUT, and WDIOC_SETOPTIONS ioctls
* 09/8 - 2003 [wim@iguana.be] cleanup of trailing spaces
* added extra printk's for startup problems
* use module_param
- * made timeout (the emulated heartbeat) a module_param
+ * made timeout (the emulated heartbeat) a
+ * module_param
* made the keepalive ping an internal subroutine
*
* This WDT driver is different from most other Linux WDT
@@ -51,8 +54,8 @@
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
#include <asm/system.h>
#define OUR_NAME "w83877f_wdt"
@@ -80,14 +83,19 @@
*/
#define WATCHDOG_TIMEOUT 30 /* 30 sec default timeout */
-static int timeout = WATCHDOG_TIMEOUT; /* in seconds, will be multiplied by HZ to get seconds to wait for a ping */
+/* in seconds, will be multiplied by HZ to get seconds to wait for a ping */
+static int timeout = WATCHDOG_TIMEOUT;
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1<=timeout<=3600, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. (1<=timeout<=3600, default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static void wdt_timer_ping(unsigned long);
static DEFINE_TIMER(timer, wdt_timer_ping, 0, 0);
@@ -105,8 +113,7 @@ static void wdt_timer_ping(unsigned long data)
/* If we got a heartbeat pulse within the WDT_US_INTERVAL
* we agree to ping the WDT
*/
- if(time_before(jiffies, next_heartbeat))
- {
+ if (time_before(jiffies, next_heartbeat)) {
/* Ping the WDT */
spin_lock(&wdt_spinlock);
@@ -118,9 +125,9 @@ static void wdt_timer_ping(unsigned long data)
spin_unlock(&wdt_spinlock);
- } else {
- printk(KERN_WARNING PFX "Heartbeat lost! Will not ping the watchdog\n");
- }
+ } else
+ printk(KERN_WARNING PFX
+ "Heartbeat lost! Will not ping the watchdog\n");
}
/*
@@ -181,22 +188,21 @@ static void wdt_keepalive(void)
* /dev/watchdog handling
*/
-static ssize_t fop_write(struct file * file, const char __user * buf, size_t count, loff_t * ppos)
+static ssize_t fop_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
- if(count)
- {
- if (!nowayout)
- {
+ if (count) {
+ if (!nowayout) {
size_t ofs;
- /* note: just in case someone wrote the magic character
- * five months ago... */
+ /* note: just in case someone wrote the magic
+ character five months ago... */
wdt_expect_close = 0;
- /* scan to see whether or not we got the magic character */
- for(ofs = 0; ofs != count; ofs++)
- {
+ /* scan to see whether or not we got the
+ magic character */
+ for (ofs = 0; ofs != count; ofs++) {
char c;
if (get_user(c, buf + ofs))
return -EFAULT;
@@ -211,10 +217,10 @@ static ssize_t fop_write(struct file * file, const char __user * buf, size_t cou
return count;
}
-static int fop_open(struct inode * inode, struct file * file)
+static int fop_open(struct inode *inode, struct file *file)
{
/* Just in case we're already talking to someone... */
- if(test_and_set_bit(0, &wdt_is_open))
+ if (test_and_set_bit(0, &wdt_is_open))
return -EBUSY;
/* Good, fire up the show */
@@ -222,78 +228,78 @@ static int fop_open(struct inode * inode, struct file * file)
return nonseekable_open(inode, file);
}
-static int fop_close(struct inode * inode, struct file * file)
+static int fop_close(struct inode *inode, struct file *file)
{
- if(wdt_expect_close == 42)
+ if (wdt_expect_close == 42)
wdt_turnoff();
else {
del_timer(&timer);
- printk(KERN_CRIT PFX "device file closed unexpectedly. Will not stop the WDT!\n");
+ printk(KERN_CRIT PFX
+ "device file closed unexpectedly. Will not stop the WDT!\n");
}
clear_bit(0, &wdt_is_open);
wdt_expect_close = 0;
return 0;
}
-static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
- static struct watchdog_info ident=
- {
- .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+ static const struct watchdog_info ident = {
+ .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT
+ | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "W83877F",
};
- switch(cmd)
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ case WDIOC_SETOPTIONS:
{
- default:
- return -ENOTTY;
- case WDIOC_GETSUPPORT:
- return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0;
- case WDIOC_GETSTATUS:
- case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
- case WDIOC_KEEPALIVE:
- wdt_keepalive();
- return 0;
- case WDIOC_SETOPTIONS:
- {
- int new_options, retval = -EINVAL;
-
- if(get_user(new_options, p))
- return -EFAULT;
-
- if(new_options & WDIOS_DISABLECARD) {
- wdt_turnoff();
- retval = 0;
- }
+ int new_options, retval = -EINVAL;
- if(new_options & WDIOS_ENABLECARD) {
- wdt_startup();
- retval = 0;
- }
+ if (get_user(new_options, p))
+ return -EFAULT;
- return retval;
+ if (new_options & WDIOS_DISABLECARD) {
+ wdt_turnoff();
+ retval = 0;
}
- case WDIOC_SETTIMEOUT:
- {
- int new_timeout;
- if(get_user(new_timeout, p))
- return -EFAULT;
+ if (new_options & WDIOS_ENABLECARD) {
+ wdt_startup();
+ retval = 0;
+ }
- if(new_timeout < 1 || new_timeout > 3600) /* arbitrary upper limit */
- return -EINVAL;
+ return retval;
+ }
+ case WDIOC_KEEPALIVE:
+ wdt_keepalive();
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ {
+ int new_timeout;
- timeout = new_timeout;
- wdt_keepalive();
- /* Fall through */
- }
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+
+ /* arbitrary upper limit */
+ if (new_timeout < 1 || new_timeout > 3600)
+ return -EINVAL;
+
+ timeout = new_timeout;
+ wdt_keepalive();
+ /* Fall through */
+ }
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
+ default:
+ return -ENOTTY;
}
}
@@ -303,7 +309,7 @@ static const struct file_operations wdt_fops = {
.write = fop_write,
.open = fop_open,
.release = fop_close,
- .ioctl = fop_ioctl,
+ .unlocked_ioctl = fop_ioctl,
};
static struct miscdevice wdt_miscdev = {
@@ -319,7 +325,7 @@ static struct miscdevice wdt_miscdev = {
static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if(code==SYS_DOWN || code==SYS_HALT)
+ if (code == SYS_DOWN || code == SYS_HALT)
wdt_turnoff();
return NOTIFY_DONE;
}
@@ -329,8 +335,7 @@ static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
* turn the timebomb registers off.
*/
-static struct notifier_block wdt_notifier=
-{
+static struct notifier_block wdt_notifier = {
.notifier_call = wdt_notify_sys,
};
@@ -342,31 +347,29 @@ static void __exit w83877f_wdt_unload(void)
misc_deregister(&wdt_miscdev);
unregister_reboot_notifier(&wdt_notifier);
- release_region(WDT_PING,1);
- release_region(ENABLE_W83877F_PORT,2);
+ release_region(WDT_PING, 1);
+ release_region(ENABLE_W83877F_PORT, 2);
}
static int __init w83877f_wdt_init(void)
{
int rc = -EBUSY;
- if(timeout < 1 || timeout > 3600) /* arbitrary upper limit */
- {
+ if (timeout < 1 || timeout > 3600) { /* arbitrary upper limit */
timeout = WATCHDOG_TIMEOUT;
- printk(KERN_INFO PFX "timeout value must be 1<=x<=3600, using %d\n",
- timeout);
+ printk(KERN_INFO PFX
+ "timeout value must be 1 <= x <= 3600, using %d\n",
+ timeout);
}
- if (!request_region(ENABLE_W83877F_PORT, 2, "W83877F WDT"))
- {
+ if (!request_region(ENABLE_W83877F_PORT, 2, "W83877F WDT")) {
printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
ENABLE_W83877F_PORT);
rc = -EIO;
goto err_out;
}
- if (!request_region(WDT_PING, 1, "W8387FF WDT"))
- {
+ if (!request_region(WDT_PING, 1, "W8387FF WDT")) {
printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
WDT_PING);
rc = -EIO;
@@ -374,22 +377,22 @@ static int __init w83877f_wdt_init(void)
}
rc = register_reboot_notifier(&wdt_notifier);
- if (rc)
- {
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- rc);
+ if (rc) {
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", rc);
goto err_out_region2;
}
rc = misc_register(&wdt_miscdev);
- if (rc)
- {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- wdt_miscdev.minor, rc);
+ if (rc) {
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ wdt_miscdev.minor, rc);
goto err_out_reboot;
}
- printk(KERN_INFO PFX "WDT driver for W83877F initialised. timeout=%d sec (nowayout=%d)\n",
+ printk(KERN_INFO PFX
+ "WDT driver for W83877F initialised. timeout=%d sec (nowayout=%d)\n",
timeout, nowayout);
return 0;
@@ -397,9 +400,9 @@ static int __init w83877f_wdt_init(void)
err_out_reboot:
unregister_reboot_notifier(&wdt_notifier);
err_out_region2:
- release_region(WDT_PING,1);
+ release_region(WDT_PING, 1);
err_out_region1:
- release_region(ENABLE_W83877F_PORT,2);
+ release_region(ENABLE_W83877F_PORT, 2);
err_out:
return rc;
}
diff --git a/drivers/watchdog/w83977f_wdt.c b/drivers/watchdog/w83977f_wdt.c
index b209bcd7f78..2525da5080c 100644
--- a/drivers/watchdog/w83977f_wdt.c
+++ b/drivers/watchdog/w83977f_wdt.c
@@ -26,10 +26,10 @@
#include <linux/watchdog.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/system.h>
-#include <asm/uaccess.h>
#define WATCHDOG_VERSION "1.00"
#define WATCHDOG_NAME "W83977F WDT"
@@ -53,13 +53,17 @@ static char expect_close;
static DEFINE_SPINLOCK(spinlock);
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout,"Watchdog timeout in seconds (15..7635), default=" __MODULE_STRING(DEFAULT_TIMEOUT) ")");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds (15..7635), default="
+ __MODULE_STRING(DEFAULT_TIMEOUT) ")");
module_param(testmode, int, 0);
-MODULE_PARM_DESC(testmode,"Watchdog testmode (1 = no reboot), default=0");
+MODULE_PARM_DESC(testmode, "Watchdog testmode (1 = no reboot), default=0");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Start the watchdog
@@ -72,8 +76,8 @@ static int wdt_start(void)
spin_lock_irqsave(&spinlock, flags);
/* Unlock the SuperIO chip */
- outb_p(UNLOCK_DATA,IO_INDEX_PORT);
- outb_p(UNLOCK_DATA,IO_INDEX_PORT);
+ outb_p(UNLOCK_DATA, IO_INDEX_PORT);
+ outb_p(UNLOCK_DATA, IO_INDEX_PORT);
/*
* Select device Aux2 (device=8) to set watchdog regs F2, F3 and F4.
@@ -81,50 +85,49 @@ static int wdt_start(void)
* F3 is set to enable watchdog LED blink at timeout.
* F4 is used to just clear the TIMEOUT'ed state (bit 0).
*/
- outb_p(DEVICE_REGISTER,IO_INDEX_PORT);
- outb_p(0x08,IO_DATA_PORT);
- outb_p(0xF2,IO_INDEX_PORT);
- outb_p(timeoutW,IO_DATA_PORT);
- outb_p(0xF3,IO_INDEX_PORT);
- outb_p(0x08,IO_DATA_PORT);
- outb_p(0xF4,IO_INDEX_PORT);
- outb_p(0x00,IO_DATA_PORT);
+ outb_p(DEVICE_REGISTER, IO_INDEX_PORT);
+ outb_p(0x08, IO_DATA_PORT);
+ outb_p(0xF2, IO_INDEX_PORT);
+ outb_p(timeoutW, IO_DATA_PORT);
+ outb_p(0xF3, IO_INDEX_PORT);
+ outb_p(0x08, IO_DATA_PORT);
+ outb_p(0xF4, IO_INDEX_PORT);
+ outb_p(0x00, IO_DATA_PORT);
/* Set device Aux2 active */
- outb_p(0x30,IO_INDEX_PORT);
- outb_p(0x01,IO_DATA_PORT);
+ outb_p(0x30, IO_INDEX_PORT);
+ outb_p(0x01, IO_DATA_PORT);
- /*
+ /*
* Select device Aux1 (dev=7) to set GP16 as the watchdog output
* (in reg E6) and GP13 as the watchdog LED output (in reg E3).
* Map GP16 at pin 119.
* In test mode watch the bit 0 on F4 to indicate "triggered" or
* check watchdog LED on SBC.
*/
- outb_p(DEVICE_REGISTER,IO_INDEX_PORT);
- outb_p(0x07,IO_DATA_PORT);
- if (!testmode)
- {
+ outb_p(DEVICE_REGISTER, IO_INDEX_PORT);
+ outb_p(0x07, IO_DATA_PORT);
+ if (!testmode) {
unsigned pin_map;
- outb_p(0xE6,IO_INDEX_PORT);
- outb_p(0x0A,IO_DATA_PORT);
- outb_p(0x2C,IO_INDEX_PORT);
+ outb_p(0xE6, IO_INDEX_PORT);
+ outb_p(0x0A, IO_DATA_PORT);
+ outb_p(0x2C, IO_INDEX_PORT);
pin_map = inb_p(IO_DATA_PORT);
pin_map |= 0x10;
pin_map &= ~(0x20);
- outb_p(0x2C,IO_INDEX_PORT);
- outb_p(pin_map,IO_DATA_PORT);
+ outb_p(0x2C, IO_INDEX_PORT);
+ outb_p(pin_map, IO_DATA_PORT);
}
- outb_p(0xE3,IO_INDEX_PORT);
- outb_p(0x08,IO_DATA_PORT);
+ outb_p(0xE3, IO_INDEX_PORT);
+ outb_p(0x08, IO_DATA_PORT);
/* Set device Aux1 active */
- outb_p(0x30,IO_INDEX_PORT);
- outb_p(0x01,IO_DATA_PORT);
+ outb_p(0x30, IO_INDEX_PORT);
+ outb_p(0x01, IO_DATA_PORT);
/* Lock the SuperIO chip */
- outb_p(LOCK_DATA,IO_INDEX_PORT);
+ outb_p(LOCK_DATA, IO_INDEX_PORT);
spin_unlock_irqrestore(&spinlock, flags);
@@ -144,42 +147,41 @@ static int wdt_stop(void)
spin_lock_irqsave(&spinlock, flags);
/* Unlock the SuperIO chip */
- outb_p(UNLOCK_DATA,IO_INDEX_PORT);
- outb_p(UNLOCK_DATA,IO_INDEX_PORT);
+ outb_p(UNLOCK_DATA, IO_INDEX_PORT);
+ outb_p(UNLOCK_DATA, IO_INDEX_PORT);
- /*
+ /*
* Select device Aux2 (device=8) to set watchdog regs F2, F3 and F4.
* F2 is reset to its default value (watchdog timer disabled).
* F3 is reset to its default state.
* F4 clears the TIMEOUT'ed state (bit 0) - back to default.
*/
- outb_p(DEVICE_REGISTER,IO_INDEX_PORT);
- outb_p(0x08,IO_DATA_PORT);
- outb_p(0xF2,IO_INDEX_PORT);
- outb_p(0xFF,IO_DATA_PORT);
- outb_p(0xF3,IO_INDEX_PORT);
- outb_p(0x00,IO_DATA_PORT);
- outb_p(0xF4,IO_INDEX_PORT);
- outb_p(0x00,IO_DATA_PORT);
- outb_p(0xF2,IO_INDEX_PORT);
- outb_p(0x00,IO_DATA_PORT);
+ outb_p(DEVICE_REGISTER, IO_INDEX_PORT);
+ outb_p(0x08, IO_DATA_PORT);
+ outb_p(0xF2, IO_INDEX_PORT);
+ outb_p(0xFF, IO_DATA_PORT);
+ outb_p(0xF3, IO_INDEX_PORT);
+ outb_p(0x00, IO_DATA_PORT);
+ outb_p(0xF4, IO_INDEX_PORT);
+ outb_p(0x00, IO_DATA_PORT);
+ outb_p(0xF2, IO_INDEX_PORT);
+ outb_p(0x00, IO_DATA_PORT);
/*
- * Select device Aux1 (dev=7) to set GP16 (in reg E6) and
+ * Select device Aux1 (dev=7) to set GP16 (in reg E6) and
* Gp13 (in reg E3) as inputs.
*/
- outb_p(DEVICE_REGISTER,IO_INDEX_PORT);
- outb_p(0x07,IO_DATA_PORT);
- if (!testmode)
- {
- outb_p(0xE6,IO_INDEX_PORT);
- outb_p(0x01,IO_DATA_PORT);
+ outb_p(DEVICE_REGISTER, IO_INDEX_PORT);
+ outb_p(0x07, IO_DATA_PORT);
+ if (!testmode) {
+ outb_p(0xE6, IO_INDEX_PORT);
+ outb_p(0x01, IO_DATA_PORT);
}
- outb_p(0xE3,IO_INDEX_PORT);
- outb_p(0x01,IO_DATA_PORT);
+ outb_p(0xE3, IO_INDEX_PORT);
+ outb_p(0x01, IO_DATA_PORT);
/* Lock the SuperIO chip */
- outb_p(LOCK_DATA,IO_INDEX_PORT);
+ outb_p(LOCK_DATA, IO_INDEX_PORT);
spin_unlock_irqrestore(&spinlock, flags);
@@ -200,17 +202,17 @@ static int wdt_keepalive(void)
spin_lock_irqsave(&spinlock, flags);
/* Unlock the SuperIO chip */
- outb_p(UNLOCK_DATA,IO_INDEX_PORT);
- outb_p(UNLOCK_DATA,IO_INDEX_PORT);
+ outb_p(UNLOCK_DATA, IO_INDEX_PORT);
+ outb_p(UNLOCK_DATA, IO_INDEX_PORT);
/* Select device Aux2 (device=8) to kick watchdog reg F2 */
- outb_p(DEVICE_REGISTER,IO_INDEX_PORT);
- outb_p(0x08,IO_DATA_PORT);
- outb_p(0xF2,IO_INDEX_PORT);
- outb_p(timeoutW,IO_DATA_PORT);
+ outb_p(DEVICE_REGISTER, IO_INDEX_PORT);
+ outb_p(0x08, IO_DATA_PORT);
+ outb_p(0xF2, IO_INDEX_PORT);
+ outb_p(timeoutW, IO_DATA_PORT);
/* Lock the SuperIO chip */
- outb_p(LOCK_DATA,IO_INDEX_PORT);
+ outb_p(LOCK_DATA, IO_INDEX_PORT);
spin_unlock_irqrestore(&spinlock, flags);
@@ -227,7 +229,7 @@ static int wdt_set_timeout(int t)
/*
* Convert seconds to watchdog counter time units, rounding up.
- * On PCM-5335 watchdog units are 30 seconds/step with 15 sec startup
+ * On PCM-5335 watchdog units are 30 seconds/step with 15 sec startup
* value. This information is supplied in the PCM-5335 manual and was
* checked by me on a real board. This is a bit strange because W83977f
* datasheet says counter unit is in minutes!
@@ -241,7 +243,7 @@ static int wdt_set_timeout(int t)
return -EINVAL;
/*
- * timeout is the timeout in seconds,
+ * timeout is the timeout in seconds,
* timeoutW is the timeout in watchdog counter units.
*/
timeoutW = tmrval;
@@ -261,17 +263,17 @@ static int wdt_get_status(int *status)
spin_lock_irqsave(&spinlock, flags);
/* Unlock the SuperIO chip */
- outb_p(UNLOCK_DATA,IO_INDEX_PORT);
- outb_p(UNLOCK_DATA,IO_INDEX_PORT);
+ outb_p(UNLOCK_DATA, IO_INDEX_PORT);
+ outb_p(UNLOCK_DATA, IO_INDEX_PORT);
/* Select device Aux2 (device=8) to read watchdog reg F4 */
- outb_p(DEVICE_REGISTER,IO_INDEX_PORT);
- outb_p(0x08,IO_DATA_PORT);
- outb_p(0xF4,IO_INDEX_PORT);
+ outb_p(DEVICE_REGISTER, IO_INDEX_PORT);
+ outb_p(0x08, IO_DATA_PORT);
+ outb_p(0xF4, IO_INDEX_PORT);
new_status = inb_p(IO_DATA_PORT);
/* Lock the SuperIO chip */
- outb_p(LOCK_DATA,IO_INDEX_PORT);
+ outb_p(LOCK_DATA, IO_INDEX_PORT);
spin_unlock_irqrestore(&spinlock, flags);
@@ -290,7 +292,7 @@ static int wdt_get_status(int *status)
static int wdt_open(struct inode *inode, struct file *file)
{
/* If the watchdog is alive we don't need to start it again */
- if( test_and_set_bit(0, &timer_alive) )
+ if (test_and_set_bit(0, &timer_alive))
return -EBUSY;
if (nowayout)
@@ -306,13 +308,13 @@ static int wdt_release(struct inode *inode, struct file *file)
* Shut off the timer.
* Lock it in if it's a module and we set nowayout
*/
- if (expect_close == 42)
- {
+ if (expect_close == 42) {
wdt_stop();
clear_bit(0, &timer_alive);
} else {
wdt_keepalive();
- printk(KERN_CRIT PFX "unexpected close, not stopping watchdog!\n");
+ printk(KERN_CRIT PFX
+ "unexpected close, not stopping watchdog!\n");
}
expect_close = 0;
return 0;
@@ -333,24 +335,22 @@ static ssize_t wdt_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
- if(count)
- {
- if (!nowayout)
- {
+ if (count) {
+ if (!nowayout) {
size_t ofs;
- /* note: just in case someone wrote the magic character long ago */
+ /* note: just in case someone wrote the
+ magic character long ago */
expect_close = 0;
- /* scan to see whether or not we got the magic character */
- for(ofs = 0; ofs != count; ofs++)
- {
+ /* scan to see whether or not we got the
+ magic character */
+ for (ofs = 0; ofs != count; ofs++) {
char c;
if (get_user(c, buf + ofs))
return -EFAULT;
- if (c == 'V') {
+ if (c == 'V')
expect_close = 42;
- }
}
}
@@ -377,8 +377,7 @@ static struct watchdog_info ident = {
.identity = WATCHDOG_NAME,
};
-static int wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int status;
int new_options, retval = -EINVAL;
@@ -390,13 +389,10 @@ static int wdt_ioctl(struct inode *inode, struct file *file,
uarg.i = (int __user *)arg;
- switch(cmd)
- {
- default:
- return -ENOTTY;
-
+ switch (cmd) {
case WDIOC_GETSUPPORT:
- return copy_to_user(uarg.ident, &ident, sizeof(ident)) ? -EFAULT : 0;
+ return copy_to_user(uarg.ident, &ident,
+ sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
wdt_get_status(&status);
@@ -405,12 +401,8 @@ static int wdt_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETBOOTSTATUS:
return put_user(0, uarg.i);
- case WDIOC_KEEPALIVE:
- wdt_keepalive();
- return 0;
-
case WDIOC_SETOPTIONS:
- if (get_user (new_options, uarg.i))
+ if (get_user(new_options, uarg.i))
return -EFAULT;
if (new_options & WDIOS_DISABLECARD) {
@@ -425,6 +417,10 @@ static int wdt_ioctl(struct inode *inode, struct file *file,
return retval;
+ case WDIOC_KEEPALIVE:
+ wdt_keepalive();
+ return 0;
+
case WDIOC_SETTIMEOUT:
if (get_user(new_timeout, uarg.i))
return -EFAULT;
@@ -438,29 +434,30 @@ static int wdt_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETTIMEOUT:
return put_user(timeout, uarg.i);
+ default:
+ return -ENOTTY;
+
}
}
static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if (code==SYS_DOWN || code==SYS_HALT)
+ if (code == SYS_DOWN || code == SYS_HALT)
wdt_stop();
return NOTIFY_DONE;
}
-static const struct file_operations wdt_fops=
-{
+static const struct file_operations wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wdt_write,
- .ioctl = wdt_ioctl,
+ .unlocked_ioctl = wdt_ioctl,
.open = wdt_open,
.release = wdt_release,
};
-static struct miscdevice wdt_miscdev=
-{
+static struct miscdevice wdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &wdt_fops,
@@ -474,20 +471,20 @@ static int __init w83977f_wdt_init(void)
{
int rc;
- printk(KERN_INFO PFX DRIVER_VERSION);
+ printk(KERN_INFO PFX DRIVER_VERSION);
/*
- * Check that the timeout value is within it's range ;
+ * Check that the timeout value is within it's range;
* if not reset to the default
*/
if (wdt_set_timeout(timeout)) {
wdt_set_timeout(DEFAULT_TIMEOUT);
- printk(KERN_INFO PFX "timeout value must be 15<=timeout<=7635, using %d\n",
- DEFAULT_TIMEOUT);
+ printk(KERN_INFO PFX
+ "timeout value must be 15 <= timeout <= 7635, using %d\n",
+ DEFAULT_TIMEOUT);
}
- if (!request_region(IO_INDEX_PORT, 2, WATCHDOG_NAME))
- {
+ if (!request_region(IO_INDEX_PORT, 2, WATCHDOG_NAME)) {
printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
IO_INDEX_PORT);
rc = -EIO;
@@ -495,30 +492,30 @@ static int __init w83977f_wdt_init(void)
}
rc = register_reboot_notifier(&wdt_notifier);
- if (rc)
- {
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- rc);
+ if (rc) {
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", rc);
goto err_out_region;
}
rc = misc_register(&wdt_miscdev);
- if (rc)
- {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- wdt_miscdev.minor, rc);
+ if (rc) {
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ wdt_miscdev.minor, rc);
goto err_out_reboot;
}
- printk(KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d testmode=%d)\n",
- timeout, nowayout, testmode);
+ printk(KERN_INFO PFX
+ "initialized. timeout=%d sec (nowayout=%d testmode=%d)\n",
+ timeout, nowayout, testmode);
return 0;
err_out_reboot:
unregister_reboot_notifier(&wdt_notifier);
err_out_region:
- release_region(IO_INDEX_PORT,2);
+ release_region(IO_INDEX_PORT, 2);
err_out:
return rc;
}
@@ -528,7 +525,7 @@ static void __exit w83977f_wdt_exit(void)
wdt_stop();
misc_deregister(&wdt_miscdev);
unregister_reboot_notifier(&wdt_notifier);
- release_region(IO_INDEX_PORT,2);
+ release_region(IO_INDEX_PORT, 2);
}
module_init(w83977f_wdt_init);
diff --git a/drivers/watchdog/wafer5823wdt.c b/drivers/watchdog/wafer5823wdt.c
index 9e368091f79..68377ae171f 100644
--- a/drivers/watchdog/wafer5823wdt.c
+++ b/drivers/watchdog/wafer5823wdt.c
@@ -1,11 +1,11 @@
/*
* ICP Wafer 5823 Single Board Computer WDT driver
- * http://www.icpamerica.com/wafer_5823.php
- * May also work on other similar models
+ * http://www.icpamerica.com/wafer_5823.php
+ * May also work on other similar models
*
* (c) Copyright 2002 Justin Cormack <justin@street-vision.com>
*
- * Release 0.02
+ * Release 0.02
*
* Based on advantechwdt.c which is based on wdt.c.
* Original copyright messages:
@@ -36,8 +36,8 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/spinlock.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
#define WATCHDOG_NAME "Wafer 5823 WDT"
#define PFX WATCHDOG_NAME ": "
@@ -50,10 +50,10 @@ static DEFINE_SPINLOCK(wafwdt_lock);
/*
* You must set these - there is no sane way to probe for this board.
*
- * To enable, write the timeout value in seconds (1 to 255) to I/O
- * port WDT_START, then read the port to start the watchdog. To pat
- * the dog, read port WDT_STOP to stop the timer, then read WDT_START
- * to restart it again.
+ * To enable, write the timeout value in seconds (1 to 255) to I/O
+ * port WDT_START, then read the port to start the watchdog. To pat
+ * the dog, read port WDT_STOP to stop the timer, then read WDT_START
+ * to restart it again.
*/
static int wdt_stop = 0x843;
@@ -61,11 +61,15 @@ static int wdt_start = 0x443;
static int timeout = WD_TIMO; /* in seconds */
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=255, default=" __MODULE_STRING(WD_TIMO) ".");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. 1 <= timeout <= 255, default="
+ __MODULE_STRING(WD_TIMO) ".");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
static void wafwdt_ping(void)
{
@@ -83,14 +87,14 @@ static void wafwdt_start(void)
inb_p(wdt_start);
}
-static void
-wafwdt_stop(void)
+static void wafwdt_stop(void)
{
/* stop watchdog */
inb_p(wdt_stop);
}
-static ssize_t wafwdt_write(struct file *file, const char __user *buf, size_t count, loff_t * ppos)
+static ssize_t wafwdt_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
/* See if we got the magic character 'V' and reload the timer */
if (count) {
@@ -100,7 +104,8 @@ static ssize_t wafwdt_write(struct file *file, const char __user *buf, size_t co
/* In case it was set long ago */
expect_close = 0;
- /* scan to see whether or not we got the magic character */
+ /* scan to see whether or not we got the magic
+ character */
for (i = 0; i != count; i++) {
char c;
if (get_user(c, buf + i))
@@ -109,27 +114,29 @@ static ssize_t wafwdt_write(struct file *file, const char __user *buf, size_t co
expect_close = 42;
}
}
- /* Well, anyhow someone wrote to us, we should return that favour */
+ /* Well, anyhow someone wrote to us, we should
+ return that favour */
wafwdt_ping();
}
return count;
}
-static int wafwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long wafwdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int new_timeout;
void __user *argp = (void __user *)arg;
int __user *p = argp;
- static struct watchdog_info ident = {
- .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+ static const struct watchdog_info ident = {
+ .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
+ WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "Wafer 5823 WDT",
};
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user(argp, &ident, sizeof (ident)))
+ if (copy_to_user(argp, &ident, sizeof(ident)))
return -EFAULT;
break;
@@ -137,22 +144,6 @@ static int wafwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
- case WDIOC_KEEPALIVE:
- wafwdt_ping();
- break;
-
- case WDIOC_SETTIMEOUT:
- if (get_user(new_timeout, p))
- return -EFAULT;
- if ((new_timeout < 1) || (new_timeout > 255))
- return -EINVAL;
- timeout = new_timeout;
- wafwdt_stop();
- wafwdt_start();
- /* Fall */
- case WDIOC_GETTIMEOUT:
- return put_user(timeout, p);
-
case WDIOC_SETOPTIONS:
{
int options, retval = -EINVAL;
@@ -173,6 +164,22 @@ static int wafwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd
return retval;
}
+ case WDIOC_KEEPALIVE:
+ wafwdt_ping();
+ break;
+
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_timeout, p))
+ return -EFAULT;
+ if ((new_timeout < 1) || (new_timeout > 255))
+ return -EINVAL;
+ timeout = new_timeout;
+ wafwdt_stop();
+ wafwdt_start();
+ /* Fall */
+ case WDIOC_GETTIMEOUT:
+ return put_user(timeout, p);
+
default:
return -ENOTTY;
}
@@ -191,13 +198,13 @@ static int wafwdt_open(struct inode *inode, struct file *file)
return nonseekable_open(inode, file);
}
-static int
-wafwdt_close(struct inode *inode, struct file *file)
+static int wafwdt_close(struct inode *inode, struct file *file)
{
- if (expect_close == 42) {
+ if (expect_close == 42)
wafwdt_stop();
- } else {
- printk(KERN_CRIT PFX "WDT device closed unexpectedly. WDT will not stop!\n");
+ else {
+ printk(KERN_CRIT PFX
+ "WDT device closed unexpectedly. WDT will not stop!\n");
wafwdt_ping();
}
clear_bit(0, &wafwdt_is_open);
@@ -209,12 +216,11 @@ wafwdt_close(struct inode *inode, struct file *file)
* Notifier for system down
*/
-static int wafwdt_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
+static int wafwdt_notify_sys(struct notifier_block *this, unsigned long code,
+ void *unused)
{
- if (code == SYS_DOWN || code == SYS_HALT) {
- /* Turn the WDT off */
+ if (code == SYS_DOWN || code == SYS_HALT)
wafwdt_stop();
- }
return NOTIFY_DONE;
}
@@ -226,7 +232,7 @@ static const struct file_operations wafwdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wafwdt_write,
- .ioctl = wafwdt_ioctl,
+ .unlocked_ioctl = wafwdt_ioctl,
.open = wafwdt_open,
.release = wafwdt_close,
};
@@ -250,25 +256,28 @@ static int __init wafwdt_init(void)
{
int ret;
- printk(KERN_INFO "WDT driver for Wafer 5823 single board computer initialising.\n");
+ printk(KERN_INFO
+ "WDT driver for Wafer 5823 single board computer initialising.\n");
if (timeout < 1 || timeout > 255) {
timeout = WD_TIMO;
- printk (KERN_INFO PFX "timeout value must be 1<=x<=255, using %d\n",
- timeout);
+ printk(KERN_INFO PFX
+ "timeout value must be 1 <= x <= 255, using %d\n",
+ timeout);
}
if (wdt_stop != wdt_start) {
- if(!request_region(wdt_stop, 1, "Wafer 5823 WDT")) {
- printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
- wdt_stop);
+ if (!request_region(wdt_stop, 1, "Wafer 5823 WDT")) {
+ printk(KERN_ERR PFX
+ "I/O address 0x%04x already in use\n",
+ wdt_stop);
ret = -EIO;
goto error;
}
}
- if(!request_region(wdt_start, 1, "Wafer 5823 WDT")) {
- printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
+ if (!request_region(wdt_start, 1, "Wafer 5823 WDT")) {
+ printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
wdt_start);
ret = -EIO;
goto error2;
@@ -276,19 +285,20 @@ static int __init wafwdt_init(void)
ret = register_reboot_notifier(&wafwdt_notifier);
if (ret != 0) {
- printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- ret);
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", ret);
goto error3;
}
ret = misc_register(&wafwdt_miscdev);
if (ret != 0) {
- printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- WATCHDOG_MINOR, ret);
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
goto error4;
}
- printk (KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
+ printk(KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
timeout, nowayout);
return ret;
@@ -307,7 +317,7 @@ static void __exit wafwdt_exit(void)
{
misc_deregister(&wafwdt_miscdev);
unregister_reboot_notifier(&wafwdt_notifier);
- if(wdt_stop != wdt_start)
+ if (wdt_stop != wdt_start)
release_region(wdt_stop, 1);
release_region(wdt_start, 1);
}
diff --git a/drivers/watchdog/wd501p.h b/drivers/watchdog/wd501p.h
index a4504f40394..db34853c28a 100644
--- a/drivers/watchdog/wd501p.h
+++ b/drivers/watchdog/wd501p.h
@@ -12,7 +12,7 @@
* http://www.cymru.net
*
* This driver is provided under the GNU General Public License, incorporated
- * herein by reference. The driver is provided without warranty or
+ * herein by reference. The driver is provided without warranty or
* support.
*
* Release 0.04.
diff --git a/drivers/watchdog/wdrtas.c b/drivers/watchdog/wdrtas.c
index 1d64e277567..5d3b1a8e28b 100644
--- a/drivers/watchdog/wdrtas.c
+++ b/drivers/watchdog/wdrtas.c
@@ -35,9 +35,9 @@
#include <linux/reboot.h>
#include <linux/types.h>
#include <linux/watchdog.h>
+#include <linux/uaccess.h>
#include <asm/rtas.h>
-#include <asm/uaccess.h>
#define WDRTAS_MAGIC_CHAR 42
#define WDRTAS_SUPPORTED_MASK (WDIOF_SETTIMEOUT | \
@@ -56,7 +56,7 @@ static int wdrtas_nowayout = 0;
#endif
static atomic_t wdrtas_miscdev_open = ATOMIC_INIT(0);
-static char wdrtas_expect_close = 0;
+static char wdrtas_expect_close;
static int wdrtas_interval;
@@ -86,8 +86,8 @@ static char wdrtas_logbuffer[WDRTAS_LOGBUFFER_LEN];
* RTAS function set-indicator (surveillance). The unit of interval is
* seconds.
*/
-static int
-wdrtas_set_interval(int interval)
+
+static int wdrtas_set_interval(int interval)
{
long result;
static int print_msg = 10;
@@ -97,7 +97,7 @@ wdrtas_set_interval(int interval)
result = rtas_call(wdrtas_token_set_indicator, 3, 1, NULL,
WDRTAS_SURVEILLANCE_IND, 0, interval);
- if ( (result < 0) && (print_msg) ) {
+ if (result < 0 && print_msg) {
printk(KERN_ERR "wdrtas: setting the watchdog to %i "
"timeout failed: %li\n", interval, result);
print_msg--;
@@ -116,16 +116,14 @@ wdrtas_set_interval(int interval)
* as reported by the RTAS function ibm,get-system-parameter. The unit
* of the return value is seconds.
*/
-static int
-wdrtas_get_interval(int fallback_value)
+static int wdrtas_get_interval(int fallback_value)
{
long result;
char value[4];
result = rtas_call(wdrtas_token_get_sp, 3, 1, NULL,
WDRTAS_SP_SPI, (void *)__pa(&value), 4);
- if ( (value[0] != 0) || (value[1] != 2) || (value[3] != 0) ||
- (result < 0) ) {
+ if (value[0] != 0 || value[1] != 2 || value[3] != 0 || result < 0) {
printk(KERN_WARNING "wdrtas: could not get sp_spi watchdog "
"timeout (%li). Continuing\n", result);
return fallback_value;
@@ -141,8 +139,7 @@ wdrtas_get_interval(int fallback_value)
* wdrtas_timer_start starts the watchdog by calling the RTAS function
* set-interval (surveillance)
*/
-static void
-wdrtas_timer_start(void)
+static void wdrtas_timer_start(void)
{
wdrtas_set_interval(wdrtas_interval);
}
@@ -153,8 +150,7 @@ wdrtas_timer_start(void)
* wdrtas_timer_stop stops the watchdog timer by calling the RTAS function
* set-interval (surveillance)
*/
-static void
-wdrtas_timer_stop(void)
+static void wdrtas_timer_stop(void)
{
wdrtas_set_interval(0);
}
@@ -165,8 +161,7 @@ wdrtas_timer_stop(void)
* wdrtas_log_scanned_event prints a message to the log buffer dumping
* the results of the last event-scan call
*/
-static void
-wdrtas_log_scanned_event(void)
+static void wdrtas_log_scanned_event(void)
{
int i;
@@ -175,13 +170,13 @@ wdrtas_log_scanned_event(void)
"%02x %02x %02x %02x %02x %02x %02x %02x "
"%02x %02x %02x %02x %02x %02x %02x %02x\n",
(i / 16) + 1, (WDRTAS_LOGBUFFER_LEN / 16),
- wdrtas_logbuffer[i + 0], wdrtas_logbuffer[i + 1],
- wdrtas_logbuffer[i + 2], wdrtas_logbuffer[i + 3],
- wdrtas_logbuffer[i + 4], wdrtas_logbuffer[i + 5],
- wdrtas_logbuffer[i + 6], wdrtas_logbuffer[i + 7],
- wdrtas_logbuffer[i + 8], wdrtas_logbuffer[i + 9],
- wdrtas_logbuffer[i + 10], wdrtas_logbuffer[i + 11],
- wdrtas_logbuffer[i + 12], wdrtas_logbuffer[i + 13],
+ wdrtas_logbuffer[i + 0], wdrtas_logbuffer[i + 1],
+ wdrtas_logbuffer[i + 2], wdrtas_logbuffer[i + 3],
+ wdrtas_logbuffer[i + 4], wdrtas_logbuffer[i + 5],
+ wdrtas_logbuffer[i + 6], wdrtas_logbuffer[i + 7],
+ wdrtas_logbuffer[i + 8], wdrtas_logbuffer[i + 9],
+ wdrtas_logbuffer[i + 10], wdrtas_logbuffer[i + 11],
+ wdrtas_logbuffer[i + 12], wdrtas_logbuffer[i + 13],
wdrtas_logbuffer[i + 14], wdrtas_logbuffer[i + 15]);
}
@@ -192,8 +187,7 @@ wdrtas_log_scanned_event(void)
* RTAS function event-scan and repeats these calls as long as there are
* events available. All events will be dumped.
*/
-static void
-wdrtas_timer_keepalive(void)
+static void wdrtas_timer_keepalive(void)
{
long result;
@@ -218,8 +212,7 @@ wdrtas_timer_keepalive(void)
* wdrtas_get_temperature returns the current temperature in Fahrenheit. It
* uses the RTAS call get-sensor-state, token 3 to do so
*/
-static int
-wdrtas_get_temperature(void)
+static int wdrtas_get_temperature(void)
{
long result;
int temperature = 0;
@@ -243,8 +236,7 @@ wdrtas_get_temperature(void)
* returns a bitmask of defines WDIOF_... as defined in
* include/linux/watchdog.h
*/
-static int
-wdrtas_get_status(void)
+static int wdrtas_get_status(void)
{
return 0; /* TODO */
}
@@ -255,8 +247,7 @@ wdrtas_get_status(void)
* returns a bitmask of defines WDIOF_... as defined in
* include/linux/watchdog.h, indicating why the watchdog rebooted the system
*/
-static int
-wdrtas_get_boot_status(void)
+static int wdrtas_get_boot_status(void)
{
return 0; /* TODO */
}
@@ -276,8 +267,7 @@ wdrtas_get_boot_status(void)
* character 'V'. This character allows the watchdog device to be closed
* properly.
*/
-static ssize_t
-wdrtas_write(struct file *file, const char __user *buf,
+static ssize_t wdrtas_write(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
int i;
@@ -306,7 +296,6 @@ out:
/**
* wdrtas_ioctl - ioctl function for the watchdog device
- * @inode: inode structure
* @file: file structure
* @cmd: command for ioctl
* @arg: argument pointer
@@ -315,16 +304,16 @@ out:
*
* wdrtas_ioctl implements the watchdog API ioctls
*/
-static int
-wdrtas_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+
+static long wdrtas_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int __user *argp = (void __user *)arg;
int i;
static struct watchdog_info wdinfo = {
.options = WDRTAS_SUPPORTED_MASK,
.firmware_version = 0,
- .identity = "wdrtas"
+ .identity = "wdrtas",
};
switch (cmd) {
@@ -357,9 +346,9 @@ wdrtas_ioctl(struct inode *inode, struct file *file,
wdrtas_timer_keepalive();
wdrtas_timer_start();
}
+ /* not implemented. Done by H8
if (i & WDIOS_TEMPPANIC) {
- /* not implemented. Done by H8 */
- }
+ } */
return 0;
case WDIOC_KEEPALIVE:
@@ -399,8 +388,7 @@ wdrtas_ioctl(struct inode *inode, struct file *file,
*
* function called when watchdog device is opened
*/
-static int
-wdrtas_open(struct inode *inode, struct file *file)
+static int wdrtas_open(struct inode *inode, struct file *file)
{
/* only open once */
if (atomic_inc_return(&wdrtas_miscdev_open) > 1) {
@@ -423,8 +411,7 @@ wdrtas_open(struct inode *inode, struct file *file)
*
* close function. Always succeeds
*/
-static int
-wdrtas_close(struct inode *inode, struct file *file)
+static int wdrtas_close(struct inode *inode, struct file *file)
{
/* only stop watchdog, if this was announced using 'V' before */
if (wdrtas_expect_close == WDRTAS_MAGIC_CHAR)
@@ -453,8 +440,7 @@ wdrtas_close(struct inode *inode, struct file *file)
* wdrtas_temp_read gives the temperature to the users by copying this
* value as one byte into the user space buffer. The unit is Fahrenheit...
*/
-static ssize_t
-wdrtas_temp_read(struct file *file, char __user *buf,
+static ssize_t wdrtas_temp_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
int temperature = 0;
@@ -478,8 +464,7 @@ wdrtas_temp_read(struct file *file, char __user *buf,
*
* function called when temperature device is opened
*/
-static int
-wdrtas_temp_open(struct inode *inode, struct file *file)
+static int wdrtas_temp_open(struct inode *inode, struct file *file)
{
return nonseekable_open(inode, file);
}
@@ -493,8 +478,7 @@ wdrtas_temp_open(struct inode *inode, struct file *file)
*
* close function. Always succeeds
*/
-static int
-wdrtas_temp_close(struct inode *inode, struct file *file)
+static int wdrtas_temp_close(struct inode *inode, struct file *file)
{
return 0;
}
@@ -509,10 +493,10 @@ wdrtas_temp_close(struct inode *inode, struct file *file)
*
* wdrtas_reboot stops the watchdog in case of a reboot
*/
-static int
-wdrtas_reboot(struct notifier_block *this, unsigned long code, void *ptr)
+static int wdrtas_reboot(struct notifier_block *this,
+ unsigned long code, void *ptr)
{
- if ( (code==SYS_DOWN) || (code==SYS_HALT) )
+ if (code == SYS_DOWN || code == SYS_HALT)
wdrtas_timer_stop();
return NOTIFY_DONE;
@@ -524,7 +508,7 @@ static const struct file_operations wdrtas_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wdrtas_write,
- .ioctl = wdrtas_ioctl,
+ .unlocked_ioctl = wdrtas_ioctl,
.open = wdrtas_open,
.release = wdrtas_close,
};
@@ -562,8 +546,7 @@ static struct notifier_block wdrtas_notifier = {
* this watchdog driver. It tolerates, if "get-sensor-state" and
* "ibm,get-system-parameter" are not available.
*/
-static int
-wdrtas_get_tokens(void)
+static int wdrtas_get_tokens(void)
{
wdrtas_token_get_sensor_state = rtas_token("get-sensor-state");
if (wdrtas_token_get_sensor_state == RTAS_UNKNOWN_SERVICE) {
@@ -603,8 +586,7 @@ wdrtas_get_tokens(void)
* wdrtas_register_devs unregisters the watchdog and temperature watchdog
* misc devs
*/
-static void
-wdrtas_unregister_devs(void)
+static void wdrtas_unregister_devs(void)
{
misc_deregister(&wdrtas_miscdev);
if (wdrtas_token_get_sensor_state != RTAS_UNKNOWN_SERVICE)
@@ -619,8 +601,7 @@ wdrtas_unregister_devs(void)
* wdrtas_register_devs registers the watchdog and temperature watchdog
* misc devs
*/
-static int
-wdrtas_register_devs(void)
+static int wdrtas_register_devs(void)
{
int result;
@@ -651,8 +632,7 @@ wdrtas_register_devs(void)
*
* registers the file handlers and the reboot notifier
*/
-static int __init
-wdrtas_init(void)
+static int __init wdrtas_init(void)
{
if (wdrtas_get_tokens())
return -ENODEV;
@@ -680,8 +660,7 @@ wdrtas_init(void)
*
* unregisters the file handlers and the reboot notifier
*/
-static void __exit
-wdrtas_exit(void)
+static void __exit wdrtas_exit(void)
{
if (!wdrtas_nowayout)
wdrtas_timer_stop();
diff --git a/drivers/watchdog/wdt.c b/drivers/watchdog/wdt.c
index 53a6b18bcb9..deeebb2b13e 100644
--- a/drivers/watchdog/wdt.c
+++ b/drivers/watchdog/wdt.c
@@ -373,8 +373,6 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
#endif /* CONFIG_WDT_501 */
switch (cmd) {
- default:
- return -ENOTTY;
case WDIOC_GETSUPPORT:
return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
@@ -394,6 +392,8 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
/* Fall */
case WDIOC_GETTIMEOUT:
return put_user(heartbeat, p);
+ default:
+ return -ENOTTY;
}
}
diff --git a/drivers/watchdog/wdt285.c b/drivers/watchdog/wdt285.c
index e4cf661dc89..fea398a4ca3 100644
--- a/drivers/watchdog/wdt285.c
+++ b/drivers/watchdog/wdt285.c
@@ -26,9 +26,9 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/uaccess.h>
+#include <linux/irq.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/hardware/dec21285.h>
@@ -115,8 +115,8 @@ static int watchdog_release(struct inode *inode, struct file *file)
return 0;
}
-static ssize_t
-watchdog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
+static ssize_t watchdog_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
{
/*
* Refresh the timer.
@@ -127,19 +127,18 @@ watchdog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
return len;
}
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT,
.identity = "Footbridge Watchdog",
};
-static int
-watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long watchdog_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
unsigned int new_margin;
int ret = -ENOTTY;
- switch(cmd) {
+ switch (cmd) {
case WDIOC_GETSUPPORT:
ret = 0;
if (copy_to_user((void *)arg, &ident, sizeof(ident)))
@@ -148,7 +147,7 @@ watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
- ret = put_user(0,(int *)arg);
+ ret = put_user(0, (int *)arg);
break;
case WDIOC_KEEPALIVE:
@@ -182,7 +181,7 @@ static const struct file_operations watchdog_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = watchdog_write,
- .ioctl = watchdog_ioctl,
+ .unlocked_ioctl = watchdog_ioctl,
.open = watchdog_open,
.release = watchdog_release,
};
@@ -204,11 +203,13 @@ static int __init footbridge_watchdog_init(void)
if (retval < 0)
return retval;
- printk("Footbridge Watchdog Timer: 0.01, timer margin: %d sec\n",
- soft_margin);
+ printk(KERN_INFO
+ "Footbridge Watchdog Timer: 0.01, timer margin: %d sec\n",
+ soft_margin);
if (machine_is_cats())
- printk("Warning: Watchdog reset may not work on this machine.\n");
+ printk(KERN_WARN
+ "Warning: Watchdog reset may not work on this machine.\n");
return 0;
}
@@ -223,7 +224,7 @@ MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
module_param(soft_margin, int, 0);
-MODULE_PARM_DESC(soft_margin,"Watchdog timeout in seconds");
+MODULE_PARM_DESC(soft_margin, "Watchdog timeout in seconds");
module_init(footbridge_watchdog_init);
module_exit(footbridge_watchdog_exit);
diff --git a/drivers/watchdog/wdt977.c b/drivers/watchdog/wdt977.c
index fb4b876c9fd..60e28d49ff5 100644
--- a/drivers/watchdog/wdt977.c
+++ b/drivers/watchdog/wdt977.c
@@ -19,7 +19,8 @@
* 07-Jul-2003 Daniele Bellucci: Audit return code of misc_register in
* nwwatchdog_init.
* 25-Oct-2005 Woody Suwalski: Convert addresses to #defs, add spinlocks
- * remove limitiation to be used on Netwinders only
+ * remove limitiation to be used on
+ * Netwinders only
*/
#include <linux/module.h>
@@ -33,11 +34,11 @@
#include <linux/watchdog.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
-#include <asm/io.h>
#include <asm/system.h>
#include <asm/mach-types.h>
-#include <asm/uaccess.h>
#define WATCHDOG_VERSION "0.04"
#define WATCHDOG_NAME "Wdt977"
@@ -45,7 +46,7 @@
#define DRIVER_VERSION WATCHDOG_NAME " driver, v" WATCHDOG_VERSION "\n"
#define IO_INDEX_PORT 0x370 /* on some systems it can be 0x3F0 */
-#define IO_DATA_PORT (IO_INDEX_PORT+1)
+#define IO_DATA_PORT (IO_INDEX_PORT + 1)
#define UNLOCK_DATA 0x87
#define LOCK_DATA 0xAA
@@ -62,13 +63,16 @@ static char expect_close;
static DEFINE_SPINLOCK(spinlock);
module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout,"Watchdog timeout in seconds (60..15300), default=" __MODULE_STRING(DEFAULT_TIMEOUT) ")");
+MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds (60..15300), default="
+ __MODULE_STRING(DEFAULT_TIMEOUT) ")");
module_param(testmode, int, 0);
-MODULE_PARM_DESC(testmode,"Watchdog testmode (1 = no reboot), default=0");
+MODULE_PARM_DESC(testmode, "Watchdog testmode (1 = no reboot), default=0");
static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
/*
* Start the watchdog
@@ -95,14 +99,16 @@ static int wdt977_start(void)
outb_p(0xF2, IO_INDEX_PORT);
outb_p(timeoutM, IO_DATA_PORT);
outb_p(0xF3, IO_INDEX_PORT);
- outb_p(0x00, IO_DATA_PORT); /* another setting is 0E for kbd/mouse/LED */
+ outb_p(0x00, IO_DATA_PORT); /* another setting is 0E for
+ kbd/mouse/LED */
outb_p(0xF4, IO_INDEX_PORT);
outb_p(0x00, IO_DATA_PORT);
- /* at last select device Aux1 (dev=7) and set GP16 as a watchdog output */
- /* in test mode watch the bit 1 on F4 to indicate "triggered" */
- if (!testmode)
- {
+ /* At last select device Aux1 (dev=7) and set GP16 as a
+ * watchdog output. In test mode watch the bit 1 on F4 to
+ * indicate "triggered"
+ */
+ if (!testmode) {
outb_p(DEVICE_REGISTER, IO_INDEX_PORT);
outb_p(0x07, IO_DATA_PORT);
outb_p(0xE6, IO_INDEX_PORT);
@@ -147,7 +153,8 @@ static int wdt977_stop(void)
outb_p(0xF2, IO_INDEX_PORT);
outb_p(0x00, IO_DATA_PORT);
- /* at last select device Aux1 (dev=7) and set GP16 as a watchdog output */
+ /* at last select device Aux1 (dev=7) and set
+ GP16 as a watchdog output */
outb_p(DEVICE_REGISTER, IO_INDEX_PORT);
outb_p(0x07, IO_DATA_PORT);
outb_p(0xE6, IO_INDEX_PORT);
@@ -202,16 +209,18 @@ static int wdt977_set_timeout(int t)
tmrval = (t + 59) / 60;
if (machine_is_netwinder()) {
- /* we have a hw bug somewhere, so each 977 minute is actually only 30sec
- * this limits the max timeout to half of device max of 255 minutes...
+ /* we have a hw bug somewhere, so each 977 minute is actually
+ * only 30sec. This limits the max timeout to half of device
+ * max of 255 minutes...
*/
tmrval += tmrval;
}
- if ((tmrval < 1) || (tmrval > 255))
+ if (tmrval < 1 || tmrval > 255)
return -EINVAL;
- /* timeout is the timeout in seconds, timeoutM is the timeout in minutes) */
+ /* timeout is the timeout in seconds, timeoutM is
+ the timeout in minutes) */
timeout = t;
timeoutM = tmrval;
return 0;
@@ -243,7 +252,7 @@ static int wdt977_get_status(int *status)
spin_unlock_irqrestore(&spinlock, flags);
- *status=0;
+ *status = 0;
if (new_status & 1)
*status |= WDIOF_CARDRESET;
@@ -258,7 +267,7 @@ static int wdt977_get_status(int *status)
static int wdt977_open(struct inode *inode, struct file *file)
{
/* If the watchdog is alive we don't need to start it again */
- if( test_and_set_bit(0,&timer_alive) )
+ if (test_and_set_bit(0, &timer_alive))
return -EBUSY;
if (nowayout)
@@ -274,13 +283,13 @@ static int wdt977_release(struct inode *inode, struct file *file)
* Shut off the timer.
* Lock it in if it's a module and we set nowayout
*/
- if (expect_close == 42)
- {
+ if (expect_close == 42) {
wdt977_stop();
- clear_bit(0,&timer_alive);
+ clear_bit(0, &timer_alive);
} else {
wdt977_keepalive();
- printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
+ printk(KERN_CRIT PFX
+ "Unexpected close, not stopping watchdog!\n");
}
expect_close = 0;
return 0;
@@ -301,17 +310,14 @@ static int wdt977_release(struct inode *inode, struct file *file)
static ssize_t wdt977_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
- if (count)
- {
- if (!nowayout)
- {
+ if (count) {
+ if (!nowayout) {
size_t i;
/* In case it was set long ago */
expect_close = 0;
- for (i = 0; i != count; i++)
- {
+ for (i = 0; i != count; i++) {
char c;
if (get_user(c, buf + i))
return -EFAULT;
@@ -326,6 +332,14 @@ static ssize_t wdt977_write(struct file *file, const char __user *buf,
return count;
}
+static const struct watchdog_info ident = {
+ .options = WDIOF_SETTIMEOUT |
+ WDIOF_MAGICCLOSE |
+ WDIOF_KEEPALIVEPING,
+ .firmware_version = 1,
+ .identity = WATCHDOG_NAME,
+};
+
/*
* wdt977_ioctl:
* @inode: inode of the device
@@ -337,16 +351,8 @@ static ssize_t wdt977_write(struct file *file, const char __user *buf,
* according to their available features.
*/
-static struct watchdog_info ident = {
- .options = WDIOF_SETTIMEOUT |
- WDIOF_MAGICCLOSE |
- WDIOF_KEEPALIVEPING,
- .firmware_version = 1,
- .identity = WATCHDOG_NAME,
-};
-
-static int wdt977_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long wdt977_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int status;
int new_options, retval = -EINVAL;
@@ -358,11 +364,7 @@ static int wdt977_ioctl(struct inode *inode, struct file *file,
uarg.i = (int __user *)arg;
- switch(cmd)
- {
- default:
- return -ENOTTY;
-
+ switch (cmd) {
case WDIOC_GETSUPPORT:
return copy_to_user(uarg.ident, &ident,
sizeof(ident)) ? -EFAULT : 0;
@@ -374,12 +376,8 @@ static int wdt977_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETBOOTSTATUS:
return put_user(0, uarg.i);
- case WDIOC_KEEPALIVE:
- wdt977_keepalive();
- return 0;
-
case WDIOC_SETOPTIONS:
- if (get_user (new_options, uarg.i))
+ if (get_user(new_options, uarg.i))
return -EFAULT;
if (new_options & WDIOS_DISABLECARD) {
@@ -394,6 +392,10 @@ static int wdt977_ioctl(struct inode *inode, struct file *file,
return retval;
+ case WDIOC_KEEPALIVE:
+ wdt977_keepalive();
+ return 0;
+
case WDIOC_SETTIMEOUT:
if (get_user(new_timeout, uarg.i))
return -EFAULT;
@@ -407,29 +409,30 @@ static int wdt977_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETTIMEOUT:
return put_user(timeout, uarg.i);
+ default:
+ return -ENOTTY;
+
}
}
static int wdt977_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
- if(code==SYS_DOWN || code==SYS_HALT)
+ if (code == SYS_DOWN || code == SYS_HALT)
wdt977_stop();
return NOTIFY_DONE;
}
-static const struct file_operations wdt977_fops=
-{
+static const struct file_operations wdt977_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wdt977_write,
- .ioctl = wdt977_ioctl,
+ .unlocked_ioctl = wdt977_ioctl,
.open = wdt977_open,
.release = wdt977_release,
};
-static struct miscdevice wdt977_miscdev=
-{
+static struct miscdevice wdt977_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &wdt977_fops,
@@ -443,51 +446,48 @@ static int __init wd977_init(void)
{
int rc;
- //if (!machine_is_netwinder())
- // return -ENODEV;
-
printk(KERN_INFO PFX DRIVER_VERSION);
- /* Check that the timeout value is within it's range ; if not reset to the default */
- if (wdt977_set_timeout(timeout))
- {
+ /* Check that the timeout value is within its range;
+ if not reset to the default */
+ if (wdt977_set_timeout(timeout)) {
wdt977_set_timeout(DEFAULT_TIMEOUT);
- printk(KERN_INFO PFX "timeout value must be 60<timeout<15300, using %d\n",
- DEFAULT_TIMEOUT);
+ printk(KERN_INFO PFX
+ "timeout value must be 60 < timeout < 15300, using %d\n",
+ DEFAULT_TIMEOUT);
}
/* on Netwinder the IOports are already reserved by
* arch/arm/mach-footbridge/netwinder-hw.c
*/
- if (!machine_is_netwinder())
- {
- if (!request_region(IO_INDEX_PORT, 2, WATCHDOG_NAME))
- {
- printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
- IO_INDEX_PORT);
+ if (!machine_is_netwinder()) {
+ if (!request_region(IO_INDEX_PORT, 2, WATCHDOG_NAME)) {
+ printk(KERN_ERR PFX
+ "I/O address 0x%04x already in use\n",
+ IO_INDEX_PORT);
rc = -EIO;
goto err_out;
}
}
rc = register_reboot_notifier(&wdt977_notifier);
- if (rc)
- {
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- rc);
+ if (rc) {
+ printk(KERN_ERR PFX
+ "cannot register reboot notifier (err=%d)\n", rc);
goto err_out_region;
}
rc = misc_register(&wdt977_miscdev);
- if (rc)
- {
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- wdt977_miscdev.minor, rc);
+ if (rc) {
+ printk(KERN_ERR PFX
+ "cannot register miscdev on minor=%d (err=%d)\n",
+ wdt977_miscdev.minor, rc);
goto err_out_reboot;
}
- printk(KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d, testmode=%i)\n",
- timeout, nowayout, testmode);
+ printk(KERN_INFO PFX
+ "initialized. timeout=%d sec (nowayout=%d, testmode=%i)\n",
+ timeout, nowayout, testmode);
return 0;
@@ -495,7 +495,7 @@ err_out_reboot:
unregister_reboot_notifier(&wdt977_notifier);
err_out_region:
if (!machine_is_netwinder())
- release_region(IO_INDEX_PORT,2);
+ release_region(IO_INDEX_PORT, 2);
err_out:
return rc;
}
@@ -505,7 +505,7 @@ static void __exit wd977_exit(void)
wdt977_stop();
misc_deregister(&wdt977_miscdev);
unregister_reboot_notifier(&wdt977_notifier);
- release_region(IO_INDEX_PORT,2);
+ release_region(IO_INDEX_PORT, 2);
}
module_init(wd977_init);
diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c
index 5d922fd6eaf..ed02bdb38c0 100644
--- a/drivers/watchdog/wdt_pci.c
+++ b/drivers/watchdog/wdt_pci.c
@@ -381,7 +381,7 @@ static ssize_t wdtpci_write(struct file *file, const char __user *buf,
for (i = 0; i != count; i++) {
char c;
- if (get_user(c, buf+i))
+ if (get_user(c, buf + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
@@ -428,8 +428,6 @@ static long wdtpci_ioctl(struct file *file, unsigned int cmd,
#endif /* CONFIG_WDT_501_PCI */
switch (cmd) {
- default:
- return -ENOTTY;
case WDIOC_GETSUPPORT:
return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
@@ -449,7 +447,9 @@ static long wdtpci_ioctl(struct file *file, unsigned int cmd,
/* Fall */
case WDIOC_GETTIMEOUT:
return put_user(heartbeat, p);
- }
+ default:
+ return -ENOTTY;
+ }
}
/**