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-rw-r--r--Documentation/mca.txt17
-rw-r--r--drivers/block/Kconfig10
-rw-r--r--drivers/block/Makefile1
-rw-r--r--drivers/block/ps2esdi.c1079
-rw-r--r--drivers/char/drm/ati_pcigart.c91
-rw-r--r--drivers/char/drm/drmP.h3
-rw-r--r--drivers/char/drm/drm_fops.c7
-rw-r--r--drivers/char/drm/drm_lock.c35
-rw-r--r--drivers/char/drm/drm_pciids.h7
-rw-r--r--drivers/char/drm/r128_cce.c1
-rw-r--r--drivers/char/drm/radeon_cp.c1
-rw-r--r--drivers/char/drm/via_dma.c59
-rw-r--r--drivers/char/drm/via_dmablit.c2
-rw-r--r--drivers/pci/hotplug/pciehp_core.c2
-rw-r--r--fs/bio.c2
-rw-r--r--include/linux/Kbuild1
-rw-r--r--include/linux/ps2esdi.h98
-rw-r--r--kernel/relay.c5
18 files changed, 121 insertions, 1300 deletions
diff --git a/Documentation/mca.txt b/Documentation/mca.txt
index aabce4ad90f..510375d4209 100644
--- a/Documentation/mca.txt
+++ b/Documentation/mca.txt
@@ -143,14 +143,7 @@ MCA Device Drivers
Currently, there are a number of MCA-specific device drivers.
-1) PS/2 ESDI
- drivers/block/ps2esdi.c
- include/linux/ps2esdi.h
- Uses major number 36, and should use /dev files /dev/eda, /dev/edb.
- Supports two drives, but only one controller. May use the
- command-line args "ed=cyl,head,sec" and "tp720".
-
-2) PS/2 SCSI
+1) PS/2 SCSI
drivers/scsi/ibmmca.c
drivers/scsi/ibmmca.h
The driver for the IBM SCSI subsystem. Includes both integrated
@@ -159,25 +152,25 @@ Currently, there are a number of MCA-specific device drivers.
machine with a front-panel display (i.e. model 95), you can use
"ibmmcascsi=display" to enable a drive activity indicator.
-3) 3c523
+2) 3c523
drivers/net/3c523.c
drivers/net/3c523.h
3Com 3c523 Etherlink/MC ethernet driver.
-4) SMC Ultra/MCA and IBM Adapter/A
+3) SMC Ultra/MCA and IBM Adapter/A
drivers/net/smc-mca.c
drivers/net/smc-mca.h
Driver for the MCA version of the SMC Ultra and various other
OEM'ed and work-alike cards (Elite, Adapter/A, etc).
-5) NE/2
+4) NE/2
driver/net/ne2.c
driver/net/ne2.h
The NE/2 is the MCA version of the NE2000. This may not work
with clones that have a different adapter id than the original
NE/2.
-6) Future Domain MCS-600/700, OEM'd IBM Fast SCSI Adapter/A and
+5) Future Domain MCS-600/700, OEM'd IBM Fast SCSI Adapter/A and
Reply Sound Blaster/SCSI (SCSI part)
Better support for these cards than the driver for ISA.
Supports multiple cards with IRQ sharing.
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index b6d230b3209..0d1d2133d9b 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -44,16 +44,6 @@ config MAC_FLOPPY
If you have a SWIM-3 (Super Woz Integrated Machine 3; from Apple)
floppy controller, say Y here. Most commonly found in PowerMacs.
-config BLK_DEV_PS2
- tristate "PS/2 ESDI hard disk support"
- depends on MCA && MCA_LEGACY && BROKEN
- help
- Say Y here if you have a PS/2 machine with a MCA bus and an ESDI
- hard disk.
-
- To compile this driver as a module, choose M here: the
- module will be called ps2esdi.
-
config AMIGA_Z2RAM
tristate "Amiga Zorro II ramdisk support"
depends on ZORRO
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index 01c972415cb..5e584306be9 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -13,7 +13,6 @@ obj-$(CONFIG_ATARI_FLOPPY) += ataflop.o
obj-$(CONFIG_AMIGA_Z2RAM) += z2ram.o
obj-$(CONFIG_BLK_DEV_RAM) += brd.o
obj-$(CONFIG_BLK_DEV_LOOP) += loop.o
-obj-$(CONFIG_BLK_DEV_PS2) += ps2esdi.o
obj-$(CONFIG_BLK_DEV_XD) += xd.o
obj-$(CONFIG_BLK_CPQ_DA) += cpqarray.o
obj-$(CONFIG_BLK_CPQ_CISS_DA) += cciss.o
diff --git a/drivers/block/ps2esdi.c b/drivers/block/ps2esdi.c
deleted file mode 100644
index 3c796e23625..00000000000
--- a/drivers/block/ps2esdi.c
+++ /dev/null
@@ -1,1079 +0,0 @@
-/* ps2esdi driver based on assembler code by Arindam Banerji,
- written by Peter De Schrijver */
-/* Reassuring note to IBM : This driver was NOT developed by vice-versa
- engineering the PS/2's BIOS */
-/* Dedicated to Wannes, Tofke, Ykke, Godot, Killroy and all those
- other lovely fish out there... */
-/* This code was written during the long and boring WINA
- elections 1994 */
-/* Thanks to Arindam Banerij for giving me the source of his driver */
-/* This code may be freely distributed and modified in any way,
- as long as these notes remain intact */
-
-/* Revised: 05/07/94 by Arindam Banerji (axb@cse.nd.edu) */
-/* Revised: 09/08/94 by Peter De Schrijver (stud11@cc4.kuleuven.ac.be)
- Thanks to Arindam Banerij for sending me the docs of the adapter */
-
-/* BA Modified for ThinkPad 720 by Boris Ashkinazi */
-/* (bash@vnet.ibm.com) 08/08/95 */
-
-/* Modified further for ThinkPad-720C by Uri Blumenthal */
-/* (uri@watson.ibm.com) Sep 11, 1995 */
-
-/* TODO :
- + Timeouts
- + Get disk parameters
- + DMA above 16MB
- + reset after read/write error
- */
-
-#define DEVICE_NAME "PS/2 ESDI"
-
-#include <linux/major.h>
-#include <linux/errno.h>
-#include <linux/wait.h>
-#include <linux/interrupt.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/genhd.h>
-#include <linux/ps2esdi.h>
-#include <linux/blkdev.h>
-#include <linux/mca-legacy.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/module.h>
-#include <linux/hdreg.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-#include <asm/mca_dma.h>
-#include <asm/uaccess.h>
-
-#define PS2ESDI_IRQ 14
-#define MAX_HD 2
-#define MAX_RETRIES 5
-#define MAX_16BIT 65536
-#define ESDI_TIMEOUT 0xf000
-#define ESDI_STAT_TIMEOUT 4
-
-#define TYPE_0_CMD_BLK_LENGTH 2
-#define TYPE_1_CMD_BLK_LENGTH 4
-
-static void reset_ctrl(void);
-
-static int ps2esdi_geninit(void);
-
-static void do_ps2esdi_request(struct request_queue * q);
-
-static void ps2esdi_readwrite(int cmd, struct request *req);
-
-static void ps2esdi_fill_cmd_block(u_short * cmd_blk, u_short cmd,
-u_short cyl, u_short head, u_short sector, u_short length, u_char drive);
-
-static int ps2esdi_out_cmd_blk(u_short * cmd_blk);
-
-static void ps2esdi_prep_dma(char *buffer, u_short length, u_char dma_xmode);
-
-static irqreturn_t ps2esdi_interrupt_handler(int irq, void *dev_id);
-static void (*current_int_handler) (u_int) = NULL;
-static void ps2esdi_normal_interrupt_handler(u_int);
-static void ps2esdi_initial_reset_int_handler(u_int);
-static void ps2esdi_geometry_int_handler(u_int);
-static int ps2esdi_getgeo(struct block_device *bdev, struct hd_geometry *geo);
-
-static int ps2esdi_read_status_words(int num_words, int max_words, u_short * buffer);
-
-static void dump_cmd_complete_status(u_int int_ret_code);
-
-static void ps2esdi_get_device_cfg(void);
-
-static void ps2esdi_reset_timer(unsigned long unused);
-
-static u_int dma_arb_level; /* DMA arbitration level */
-
-static DECLARE_WAIT_QUEUE_HEAD(ps2esdi_int);
-
-static int no_int_yet;
-static int ps2esdi_drives;
-static u_short io_base;
-static DEFINE_TIMER(esdi_timer, ps2esdi_reset_timer, 0, 0);
-static int reset_status;
-static int ps2esdi_slot = -1;
-static int tp720esdi = 0; /* Is it Integrated ESDI of ThinkPad-720? */
-static int intg_esdi = 0; /* If integrated adapter */
-struct ps2esdi_i_struct {
- unsigned int head, sect, cyl, wpcom, lzone, ctl;
-};
-static DEFINE_SPINLOCK(ps2esdi_lock);
-static struct request_queue *ps2esdi_queue;
-static struct request *current_req;
-
-#if 0
-#if 0 /* try both - I don't know which one is better... UB */
-static struct ps2esdi_i_struct ps2esdi_info[MAX_HD] =
-{
- {4, 48, 1553, 0, 0, 0},
- {0, 0, 0, 0, 0, 0}};
-#else
-static struct ps2esdi_i_struct ps2esdi_info[MAX_HD] =
-{
- {64, 32, 161, 0, 0, 0},
- {0, 0, 0, 0, 0, 0}};
-#endif
-#endif
-static struct ps2esdi_i_struct ps2esdi_info[MAX_HD] =
-{
- {0, 0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0, 0}};
-
-static struct block_device_operations ps2esdi_fops =
-{
- .owner = THIS_MODULE,
- .getgeo = ps2esdi_getgeo,
-};
-
-static struct gendisk *ps2esdi_gendisk[2];
-
-/* initialization routine called by ll_rw_blk.c */
-static int __init ps2esdi_init(void)
-{
-
- int error = 0;
-
- /* register the device - pass the name and major number */
- if (register_blkdev(PS2ESDI_MAJOR, "ed"))
- return -EBUSY;
-
- /* set up some global information - indicating device specific info */
- ps2esdi_queue = blk_init_queue(do_ps2esdi_request, &ps2esdi_lock);
- if (!ps2esdi_queue) {
- unregister_blkdev(PS2ESDI_MAJOR, "ed");
- return -ENOMEM;
- }
-
- /* some minor housekeeping - setup the global gendisk structure */
- error = ps2esdi_geninit();
- if (error) {
- printk(KERN_WARNING "PS2ESDI: error initialising"
- " device, releasing resources\n");
- unregister_blkdev(PS2ESDI_MAJOR, "ed");
- blk_cleanup_queue(ps2esdi_queue);
- return error;
- }
- return 0;
-} /* ps2esdi_init */
-
-#ifndef MODULE
-
-module_init(ps2esdi_init);
-
-#else
-
-static int cyl[MAX_HD] = {-1,-1};
-static int head[MAX_HD] = {-1, -1};
-static int sect[MAX_HD] = {-1, -1};
-
-module_param(tp720esdi, bool, 0);
-module_param_array(cyl, int, NULL, 0);
-module_param_array(head, int, NULL, 0);
-module_param_array(sect, int, NULL, 0);
-MODULE_LICENSE("GPL");
-
-int init_module(void) {
- int drive;
-
- for(drive = 0; drive < MAX_HD; drive++) {
- struct ps2esdi_i_struct *info = &ps2esdi_info[drive];
-
- if (cyl[drive] != -1) {
- info->cyl = info->lzone = cyl[drive];
- info->wpcom = 0;
- }
- if (head[drive] != -1) {
- info->head = head[drive];
- info->ctl = (head[drive] > 8 ? 8 : 0);
- }
- if (sect[drive] != -1) info->sect = sect[drive];
- }
- return ps2esdi_init();
-}
-
-void
-cleanup_module(void) {
- int i;
- if(ps2esdi_slot) {
- mca_mark_as_unused(ps2esdi_slot);
- mca_set_adapter_procfn(ps2esdi_slot, NULL, NULL);
- }
- release_region(io_base, 4);
- free_dma(dma_arb_level);
- free_irq(PS2ESDI_IRQ, &ps2esdi_gendisk);
- unregister_blkdev(PS2ESDI_MAJOR, "ed");
- blk_cleanup_queue(ps2esdi_queue);
- for (i = 0; i < ps2esdi_drives; i++) {
- del_gendisk(ps2esdi_gendisk[i]);
- put_disk(ps2esdi_gendisk[i]);
- }
-}
-#endif /* MODULE */
-
-/* handles boot time command line parameters */
-void __init tp720_setup(char *str, int *ints)
-{
- /* no params, just sets the tp720esdi flag if it exists */
-
- printk("%s: TP 720 ESDI flag set\n", DEVICE_NAME);
- tp720esdi = 1;
-}
-
-void __init ed_setup(char *str, int *ints)
-{
- int hdind = 0;
-
- /* handles 3 parameters only - corresponding to
- 1. Number of cylinders
- 2. Number of heads
- 3. Sectors/track
- */
-
- if (ints[0] != 3)
- return;
-
- /* print out the information - seen at boot time */
- printk("%s: ints[0]=%d ints[1]=%d ints[2]=%d ints[3]=%d\n",
- DEVICE_NAME, ints[0], ints[1], ints[2], ints[3]);
-
- /* set the index into device specific information table */
- if (ps2esdi_info[0].head != 0)
- hdind = 1;
-
- /* set up all the device information */
- ps2esdi_info[hdind].head = ints[2];
- ps2esdi_info[hdind].sect = ints[3];
- ps2esdi_info[hdind].cyl = ints[1];
- ps2esdi_info[hdind].wpcom = 0;
- ps2esdi_info[hdind].lzone = ints[1];
- ps2esdi_info[hdind].ctl = (ints[2] > 8 ? 8 : 0);
-#if 0 /* this may be needed for PS2/Mod.80, but it hurts ThinkPad! */
- ps2esdi_drives = hdind + 1; /* increment index for the next time */
-#endif
-} /* ed_setup */
-
-static int ps2esdi_getinfo(char *buf, int slot, void *d)
-{
- int len = 0;
-
- len += sprintf(buf + len, "DMA Arbitration Level: %d\n",
- dma_arb_level);
- len += sprintf(buf + len, "IO Port: %x\n", io_base);
- len += sprintf(buf + len, "IRQ: 14\n");
- len += sprintf(buf + len, "Drives: %d\n", ps2esdi_drives);
-
- return len;
-}
-
-/* ps2 esdi specific initialization - called thru the gendisk chain */
-static int __init ps2esdi_geninit(void)
-{
- /*
- The first part contains the initialization code
- for the ESDI disk subsystem. All we really do
- is search for the POS registers of the controller
- to do some simple setup operations. First, we
- must ensure that the controller is installed,
- enabled, and configured as PRIMARY. Then we must
- determine the DMA arbitration level being used by
- the controller so we can handle data transfer
- operations properly. If all of this works, then
- we will set the INIT_FLAG to a non-zero value.
- */
-
- int slot = 0, i, reset_start, reset_end;
- u_char status;
- unsigned short adapterID;
- int error = 0;
-
- if ((slot = mca_find_adapter(INTG_ESDI_ID, 0)) != MCA_NOTFOUND) {
- adapterID = INTG_ESDI_ID;
- printk("%s: integrated ESDI adapter found in slot %d\n",
- DEVICE_NAME, slot+1);
-#ifndef MODULE
- mca_set_adapter_name(slot, "PS/2 Integrated ESDI");
-#endif
- } else if ((slot = mca_find_adapter(NRML_ESDI_ID, 0)) != -1) {
- adapterID = NRML_ESDI_ID;
- printk("%s: normal ESDI adapter found in slot %d\n",
- DEVICE_NAME, slot+1);
- mca_set_adapter_name(slot, "PS/2 ESDI");
- } else {
- return -ENODEV;
- }
-
- ps2esdi_slot = slot;
- mca_mark_as_used(slot);
- mca_set_adapter_procfn(slot, (MCA_ProcFn) ps2esdi_getinfo, NULL);
-
- /* Found the slot - read the POS register 2 to get the necessary
- configuration and status information. POS register 2 has the
- following information :
- Bit Function
- 7 reserved = 0
- 6 arbitration method
- 0 - fairness enabled
- 1 - fairness disabled, linear priority assignment
- 5-2 arbitration level
- 1 alternate address
- 1 alternate address
- 0 - use addresses 0x3510 - 0x3517
- 0 adapter enable
- */
-
- status = mca_read_stored_pos(slot, 2);
- /* is it enabled ? */
- if (!(status & STATUS_ENABLED)) {
- printk("%s: ESDI adapter disabled\n", DEVICE_NAME);
- error = -ENODEV;
- goto err_out1;
- }
- /* try to grab IRQ, and try to grab a slow IRQ if it fails, so we can
- share with the SCSI driver */
- if (request_irq(PS2ESDI_IRQ, ps2esdi_interrupt_handler,
- IRQF_DISABLED | IRQF_SHARED, "PS/2 ESDI", &ps2esdi_gendisk)
- && request_irq(PS2ESDI_IRQ, ps2esdi_interrupt_handler,
- IRQF_SHARED, "PS/2 ESDI", &ps2esdi_gendisk)
- ) {
- printk("%s: Unable to get IRQ %d\n", DEVICE_NAME, PS2ESDI_IRQ);
- error = -EBUSY;
- goto err_out1;
- }
- if (status & STATUS_ALTERNATE)
- io_base = ALT_IO_BASE;
- else
- io_base = PRIMARY_IO_BASE;
-
- if (!request_region(io_base, 4, "ed")) {
- printk(KERN_WARNING"Unable to request region 0x%x\n", io_base);
- error = -EBUSY;
- goto err_out2;
- }
- /* get the dma arbitration level */
- dma_arb_level = (status >> 2) & 0xf;
-
- /* BA */
- printk("%s: DMA arbitration level : %d\n",
- DEVICE_NAME, dma_arb_level);
-
- LITE_ON;
- current_int_handler = ps2esdi_initial_reset_int_handler;
- reset_ctrl();
- reset_status = 0;
- reset_start = jiffies;
- while (!reset_status) {
- init_timer(&esdi_timer);
- esdi_timer.expires = jiffies + HZ;
- esdi_timer.data = 0;
- add_timer(&esdi_timer);
- sleep_on(&ps2esdi_int);
- }
- reset_end = jiffies;
- LITE_OFF;
- printk("%s: reset interrupt after %d jiffies, %u.%02u secs\n",
- DEVICE_NAME, reset_end - reset_start, (reset_end - reset_start) / HZ,
- (reset_end - reset_start) % HZ);
-
-
- /* Integrated ESDI Disk and Controller has only one drive! */
- if (adapterID == INTG_ESDI_ID) {/* if not "normal" PS2 ESDI adapter */
- ps2esdi_drives = 1; /* then we have only one physical disk! */ intg_esdi = 1;
- }
-
-
-
- /* finally this part sets up some global data structures etc. */
-
- ps2esdi_get_device_cfg();
-
- /* some annoyance in the above routine returns TWO drives?
- Is something else happining in the background?
- Regaurdless we fix the # of drives again. AJK */
- /* Integrated ESDI Disk and Controller has only one drive! */
- if (adapterID == INTG_ESDI_ID) /* if not "normal" PS2 ESDI adapter */
- ps2esdi_drives = 1; /* Not three or two, ONE DAMNIT! */
-
- current_int_handler = ps2esdi_normal_interrupt_handler;
-
- if (request_dma(dma_arb_level, "ed") !=0) {
- printk(KERN_WARNING "PS2ESDI: Can't request dma-channel %d\n"
- ,(int) dma_arb_level);
- error = -EBUSY;
- goto err_out3;
- }
- blk_queue_max_sectors(ps2esdi_queue, 128);
-
- error = -ENOMEM;
- for (i = 0; i < ps2esdi_drives; i++) {
- struct gendisk *disk = alloc_disk(64);
- if (!disk)
- goto err_out4;
- disk->major = PS2ESDI_MAJOR;
- disk->first_minor = i<<6;
- sprintf(disk->disk_name, "ed%c", 'a'+i);
- disk->fops = &ps2esdi_fops;
- ps2esdi_gendisk[i] = disk;
- }
-
- for (i = 0; i < ps2esdi_drives; i++) {
- struct gendisk *disk = ps2esdi_gendisk[i];
- set_capacity(disk, ps2esdi_info[i].head * ps2esdi_info[i].sect *
- ps2esdi_info[i].cyl);
- disk->queue = ps2esdi_queue;
- disk->private_data = &ps2esdi_info[i];
- add_disk(disk);
- }
- return 0;
-err_out4:
- while (i--)
- put_disk(ps2esdi_gendisk[i]);
-err_out3:
- release_region(io_base, 4);
-err_out2:
- free_irq(PS2ESDI_IRQ, &ps2esdi_gendisk);
-err_out1:
- if(ps2esdi_slot) {
- mca_mark_as_unused(ps2esdi_slot);
- mca_set_adapter_procfn(ps2esdi_slot, NULL, NULL);
- }
- return error;
-}
-
-static void __init ps2esdi_get_device_cfg(void)
-{
- u_short cmd_blk[TYPE_0_CMD_BLK_LENGTH];
-
- /*BA */ printk("%s: Drive 0\n", DEVICE_NAME);
- current_int_handler = ps2esdi_geometry_int_handler;
- cmd_blk[0] = CMD_GET_DEV_CONFIG | 0x600;
- cmd_blk[1] = 0;
- no_int_yet = TRUE;
- ps2esdi_out_cmd_blk(cmd_blk);
- if (no_int_yet)
- sleep_on(&ps2esdi_int);
-
- if (ps2esdi_drives > 1) {
- printk("%s: Drive 1\n", DEVICE_NAME); /*BA */
- cmd_blk[0] = CMD_GET_DEV_CONFIG | (1 << 5) | 0x600;
- cmd_blk[1] = 0;
- no_int_yet = TRUE;
- ps2esdi_out_cmd_blk(cmd_blk);
- if (no_int_yet)
- sleep_on(&ps2esdi_int);
- } /* if second physical drive is present */
- return;
-}
-
-/* strategy routine that handles most of the IO requests */
-static void do_ps2esdi_request(struct request_queue * q)
-{
- struct request *req;
- /* since, this routine is called with interrupts cleared - they
- must be before it finishes */
-
- req = elv_next_request(q);
- if (!req)
- return;
-
-#if 0
- printk("%s:got request. device : %s command : %d sector : %ld count : %ld, buffer: %p\n",
- DEVICE_NAME,
- req->rq_disk->disk_name,
- req->cmd, req->sector,
- req->current_nr_sectors, req->buffer);
-#endif
-
- /* check for above 16Mb dmas */
- if (isa_virt_to_bus(req->buffer + req->current_nr_sectors * 512) > 16 * MB) {
- printk("%s: DMA above 16MB not supported\n", DEVICE_NAME);
- end_request(req, FAIL);
- return;
- }
-
- if (req->sector+req->current_nr_sectors > get_capacity(req->rq_disk)) {
- printk("Grrr. error. ps2esdi_drives: %d, %llu %llu\n",
- ps2esdi_drives, req->sector,
- (unsigned long long)get_capacity(req->rq_disk));
- end_request(req, FAIL);
- return;
- }
-
- switch (rq_data_dir(req)) {
- case READ:
- ps2esdi_readwrite(READ, req);
- break;
- case WRITE:
- ps2esdi_readwrite(WRITE, req);
- break;
- default:
- printk("%s: Unknown command\n", req->rq_disk->disk_name);
- end_request(req, FAIL);
- break;
- } /* handle different commands */
-} /* main strategy routine */
-
-/* resets the ESDI adapter */
-static void reset_ctrl(void)
-{
-
- u_long expire;
- u_short status;
-
- /* enable interrupts on the controller */
- status = inb(ESDI_INTRPT);
- outb((status & 0xe0) | ATT_EOI, ESDI_ATTN); /* to be sure we don't have
- any interrupt pending... */
- outb_p(CTRL_ENABLE_INTR, ESDI_CONTROL);
-
- /* read the ESDI status port - if the controller is not busy,
- simply do a soft reset (fast) - otherwise we'll have to do a
- hard (slow) reset. */
- if (!(inb_p(ESDI_STATUS) & STATUS_BUSY)) {
- /*BA */ printk("%s: soft reset...\n", DEVICE_NAME);
- outb_p(CTRL_SOFT_RESET, ESDI_ATTN);
- }
- /* soft reset */
- else {
- /*BA */
- printk("%s: hard reset...\n", DEVICE_NAME);
- outb_p(CTRL_HARD_RESET, ESDI_CONTROL);
- expire = jiffies + 2*HZ;
- while (time_before(jiffies, expire));
- outb_p(1, ESDI_CONTROL);
- } /* hard reset */
-
-
-} /* reset the controller */
-
-/* called by the strategy routine to handle read and write requests */
-static void ps2esdi_readwrite(int cmd, struct request *req)
-{
- struct ps2esdi_i_struct *p = req->rq_disk->private_data;
- unsigned block = req->sector;
- unsigned count = req->current_nr_sectors;
- int drive = p - ps2esdi_info;
- u_short track, head, cylinder, sector;
- u_short cmd_blk[TYPE_1_CMD_BLK_LENGTH];
-
- /* do some relevant arithmatic */
- track = block / p->sect;
- head = track % p->head;
- cylinder = track / p->head;
- sector = block % p->sect;
-
-#if 0
- printk("%s: cyl=%d head=%d sect=%d\n", DEVICE_NAME, cylinder, head, sector);
-#endif
- /* call the routine that actually fills out a command block */
- ps2esdi_fill_cmd_block
- (cmd_blk,
- (cmd == READ) ? CMD_READ : CMD_WRITE,
- cylinder, head, sector, count, drive);
-
- /* send the command block to the controller */
- current_req = req;
- spin_unlock_irq(&ps2esdi_lock);
- if (ps2esdi_out_cmd_blk(cmd_blk)) {
- spin_lock_irq(&ps2esdi_lock);
- printk("%s: Controller failed\n", DEVICE_NAME);
- if ((++req->errors) >= MAX_RETRIES)
- end_request(req, FAIL);
- }
- /* check for failure to put out the command block */
- else {
- spin_lock_irq(&ps2esdi_lock);
-#if 0
- printk("%s: waiting for xfer\n", DEVICE_NAME);
-#endif
- /* turn disk lights on */
- LITE_ON;
- }
-
-} /* ps2esdi_readwrite */
-
-/* fill out the command block */
-static void ps2esdi_fill_cmd_block(u_short * cmd_blk, u_short cmd,
- u_short cyl, u_short head, u_short sector, u_short length, u_char drive)
-{
-
- cmd_blk[0] = (drive << 5) | cmd;
- cmd_blk[1] = length;
- cmd_blk[2] = ((cyl & 0x1f) << 11) | (head << 5) | sector;
- cmd_blk[3] = (cyl & 0x3E0) >> 5;
-
-} /* fill out the command block */
-
-/* write a command block to the controller */
-static int ps2esdi_out_cmd_blk(u_short * cmd_blk)
-{
-
- int i;
- unsigned long jif;
- u_char status;
-
- /* enable interrupts */
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
-
- /* do not write to the controller, if it is busy */
- for (jif = jiffies + ESDI_STAT_TIMEOUT;
- time_after(jif, jiffies) &&
- (inb(ESDI_STATUS) & STATUS_BUSY); )
- ;
-
-#if 0
- printk("%s: i(1)=%ld\n", DEVICE_NAME, jif);
-#endif
-
- /* if device is still busy - then just time out */
- if (inb(ESDI_STATUS) & STATUS_BUSY) {
- printk("%s: ps2esdi_out_cmd timed out (1)\n", DEVICE_NAME);
- return ERROR;
- } /* timeout ??? */
- /* Set up the attention register in the controller */
- outb(((*cmd_blk) & 0xE0) | 1, ESDI_ATTN);
-
-#if 0
- printk("%s: sending %d words to controller\n", DEVICE_NAME, (((*cmd_blk) >> 14) + 1) << 1);
-#endif
-
- /* one by one send each word out */
- for (i = (((*cmd_blk) >> 14) + 1) << 1; i; i--) {
- status = inb(ESDI_STATUS);
- for (jif = jiffies + ESDI_STAT_TIMEOUT;
- time_after(jif, jiffies) && (status & STATUS_BUSY) &&
- (status & STATUS_CMD_INF); status = inb(ESDI_STATUS));
- if ((status & (STATUS_BUSY | STATUS_CMD_INF)) == STATUS_BUSY) {
-#if 0
- printk("%s: sending %04X\n", DEVICE_NAME, *cmd_blk);
-#endif
- outw(*cmd_blk++, ESDI_CMD_INT);
- } else {
- printk("%s: ps2esdi_out_cmd timed out while sending command (status=%02X)\n",
- DEVICE_NAME, status);
- return ERROR;
- }
- } /* send all words out */
- return OK;
-} /* send out the commands */
-
-
-/* prepare for dma - do all the necessary setup */
-static void ps2esdi_prep_dma(char *buffer, u_short length, u_char dma_xmode)
-{
- unsigned long flags = claim_dma_lock();
-
- mca_disable_dma(dma_arb_level);
-
- mca_set_dma_addr(dma_arb_level, isa_virt_to_bus(buffer));
-
- mca_set_dma_count(dma_arb_level, length * 512 / 2);
-
- mca_set_dma_mode(dma_arb_level, dma_xmode);
-
- mca_enable_dma(dma_arb_level);
-
- release_dma_lock(flags);
-
-} /* prepare for dma */
-
-
-
-static irqreturn_t ps2esdi_interrupt_handler(int irq, void *dev_id)
-{
- u_int int_ret_code;
-
- if (inb(ESDI_STATUS) & STATUS_INTR) {
- int_ret_code = inb(ESDI_INTRPT);
- if (current_int_handler) {
- /* Disable adapter interrupts till processing is finished */
- outb(CTRL_DISABLE_INTR, ESDI_CONTROL);
- current_int_handler(int_ret_code);
- } else
- printk("%s: help ! No interrupt handler.\n", DEVICE_NAME);
- } else {
- return IRQ_NONE;
- }
- return IRQ_HANDLED;
-}
-
-static void ps2esdi_initial_reset_int_handler(u_int int_ret_code)
-{
-
- switch (int_ret_code & 0xf) {
- case INT_RESET:
- /*BA */
- printk("%s: initial reset completed.\n", DEVICE_NAME);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- wake_up(&ps2esdi_int);
- break;
- case INT_ATTN_ERROR:
- printk("%s: Attention error. interrupt status : %02X\n", DEVICE_NAME,
- int_ret_code);
- printk("%s: status: %02x\n", DEVICE_NAME, inb(ESDI_STATUS));
- break;
- default:
- printk("%s: initial reset handler received interrupt: %02X\n",
- DEVICE_NAME, int_ret_code);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- break;
- }
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
-}
-
-
-static void ps2esdi_geometry_int_handler(u_int int_ret_code)
-{
- u_int status, drive_num;
- unsigned long rba;
- int i;
-
- drive_num = int_ret_code >> 5;
- switch (int_ret_code & 0xf) {
- case INT_CMD_COMPLETE:
- for (i = ESDI_TIMEOUT; i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL); i--);
- if (!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) {
- printk("%s: timeout reading status word\n", DEVICE_NAME);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- break;
- }
- status = inw(ESDI_STT_INT);
- if ((status & 0x1F) == CMD_GET_DEV_CONFIG) {
-#define REPLY_WORDS 5 /* we already read word 0 */
- u_short reply[REPLY_WORDS];
-
- if (ps2esdi_read_status_words((status >> 8) - 1, REPLY_WORDS, reply)) {
- /*BA */
- printk("%s: Device Configuration Status for drive %u\n",
- DEVICE_NAME, drive_num);
-
- printk("%s: Spares/cyls: %u", DEVICE_NAME, reply[0] >> 8);
-
- printk
- ("Config bits: %s%s%s%s%s\n",
- (reply[0] & CONFIG_IS) ? "Invalid Secondary, " : "",
- ((reply[0] & CONFIG_ZD) && !(reply[0] & CONFIG_IS))
- ? "Zero Defect, " : "Defects Present, ",
- (reply[0] & CONFIG_SF) ? "Skewed Format, " : "",
- (reply[0] & CONFIG_FR) ? "Removable, " : "Non-Removable, ",
- (reply[0] & CONFIG_RT) ? "No Retries" : "Retries");
-
- rba = reply[1] | ((unsigned long) reply[2] << 16);
- printk("%s: Number of RBA's: %lu\n", DEVICE_NAME, rba);
-
- printk("%s: Physical number of cylinders: %u, Sectors/Track: %u, Heads: %u\n",
- DEVICE_NAME, reply[3], reply[4] >> 8, reply[4] & 0xff);
-
- if (!ps2esdi_info[drive_num].head) {
- ps2esdi_info[drive_num].head = 64;
- ps2esdi_info[drive_num].sect = 32;
- ps2esdi_info[drive_num].cyl = rba / (64 * 32);
- ps2esdi_info[drive_num].wpcom = 0;
- ps2esdi_info[drive_num].lzone = ps2esdi_info[drive_num].cyl;
- ps2esdi_info[drive_num].ctl = 8;
- if (tp720esdi) { /* store the retrieved parameters */
- ps2esdi_info[0].head = reply[4] & 0Xff;
- ps2esdi_info[0].sect = reply[4] >> 8;
- ps2esdi_info[0].cyl = reply[3];
- ps2esdi_info[0].wpcom = 0;
- ps2esdi_info[0].lzone = reply[3];
- } else {
- if (!intg_esdi)
- ps2esdi_drives++;
- }
- }
-#ifdef OBSOLETE
- if (!ps2esdi_info[drive_num].head) {
- ps2esdi_info[drive_num].head = reply[4] & 0Xff;
- ps2esdi_info[drive_num].sect = reply[4] >> 8;
- ps2esdi_info[drive_num].cyl = reply[3];
- ps2esdi_info[drive_num].wpcom = 0;
- ps2esdi_info[drive_num].lzone = reply[3];
- if (tp720esdi) { /* store the retrieved parameters */
- ps2esdi_info[0].head = reply[4] & 0Xff;
- ps2esdi_info[0].sect = reply[4] >> 8;
- ps2esdi_info[0].cyl = reply[3];
- ps2esdi_info[0].wpcom = 0;
- ps2esdi_info[0].lzone = reply[3];
- } else {
- ps2esdi_drives++;
- }
- }
-#endif
-
- } else
- printk("%s: failed while getting device config\n", DEVICE_NAME);
-#undef REPLY_WORDS
- } else
- printk("%s: command %02X unknown by geometry handler\n",
- DEVICE_NAME, status & 0x1f);
-
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- break;
-
- case INT_ATTN_ERROR:
- printk("%s: Attention error. interrupt status : %02X\n", DEVICE_NAME,
- int_ret_code);
- printk("%s: Device not available\n", DEVICE_NAME);
- break;
- case INT_CMD_ECC:
- case INT_CMD_RETRY:
- case INT_CMD_ECC_RETRY:
- case INT_CMD_WARNING:
- case INT_CMD_ABORT:
- case INT_CMD_FAILED:
- case INT_DMA_ERR:
- case INT_CMD_BLK_ERR:
- /*BA */ printk("%s: Whaa. Error occurred...\n", DEVICE_NAME);
- dump_cmd_complete_status(int_ret_code);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- break;
- default:
- printk("%s: Unknown interrupt reason: %02X\n",
- DEVICE_NAME, int_ret_code & 0xf);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- break;
- }
-
- wake_up(&ps2esdi_int);
- no_int_yet = FALSE;
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
-
-}
-
-static void ps2esdi_normal_interrupt_handler(u_int int_ret_code)
-{
- unsigned long flags;
- u_int status;
- u_int ending;
- int i;
-
- switch (int_ret_code & 0x0f) {
- case INT_TRANSFER_REQ:
- ps2esdi_prep_dma(current_req->buffer,
- current_req->current_nr_sectors,
- (rq_data_dir(current_req) == READ)
- ? MCA_DMA_MODE_16 | MCA_DMA_MODE_WRITE | MCA_DMA_MODE_XFER
- : MCA_DMA_MODE_16 | MCA_DMA_MODE_READ);
- outb(CTRL_ENABLE_DMA | CTRL_ENABLE_INTR, ESDI_CONTROL);
- ending = -1;
- break;
-
- case INT_ATTN_ERROR:
- printk("%s: Attention error. interrupt status : %02X\n", DEVICE_NAME,
- int_ret_code);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- ending = FAIL;
- break;
-
- case INT_CMD_COMPLETE:
- for (i = ESDI_TIMEOUT; i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL); i--);
- if (!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) {
- printk("%s: timeout reading status word\n", DEVICE_NAME);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- if ((++current_req->errors) >= MAX_RETRIES)
- ending = FAIL;
- else
- ending = -1;
- break;
- }
- status = inw(ESDI_STT_INT);
- switch (status & 0x1F) {
- case (CMD_READ & 0xff):
- case (CMD_WRITE & 0xff):
- LITE_OFF;
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- ending = SUCCES;
- break;
- default:
- printk("%s: interrupt for unknown command %02X\n",
- DEVICE_NAME, status & 0x1f);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- ending = -1;
- break;
- }
- break;
- case INT_CMD_ECC:
- case INT_CMD_RETRY:
- case INT_CMD_ECC_RETRY:
- LITE_OFF;
- dump_cmd_complete_status(int_ret_code);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- ending = SUCCES;
- break;
- case INT_CMD_WARNING:
- case INT_CMD_ABORT:
- case INT_CMD_FAILED:
- case INT_DMA_ERR:
- LITE_OFF;
- dump_cmd_complete_status(int_ret_code);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- if ((++current_req->errors) >= MAX_RETRIES)
- ending = FAIL;
- else
- ending = -1;
- break;
-
- case INT_CMD_BLK_ERR:
- dump_cmd_complete_status(int_ret_code);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- ending = FAIL;
- break;
-
- case INT_CMD_FORMAT:
- printk("%s: huh ? Who issued this format command ?\n"
- ,DEVICE_NAME);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- ending = -1;
- break;
-
- case INT_RESET:
- /* BA printk("%s: reset completed.\n", DEVICE_NAME) */ ;
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- ending = -1;
- break;
-
- default:
- printk("%s: Unknown interrupt reason: %02X\n",
- DEVICE_NAME, int_ret_code & 0xf);
- outb((int_ret_code & 0xe0) | ATT_EOI, ESDI_ATTN);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- ending = -1;
- break;
- }
- if(ending != -1) {
- spin_lock_irqsave(&ps2esdi_lock, flags);
- end_request(current_req, ending);
- current_req = NULL;
- do_ps2esdi_request(ps2esdi_queue);
- spin_unlock_irqrestore(&ps2esdi_lock, flags);
- }
-} /* handle interrupts */
-
-
-
-static int ps2esdi_read_status_words(int num_words,
- int max_words,
- u_short * buffer)
-{
- int i;
-
- for (; max_words && num_words; max_words--, num_words--, buffer++) {
- for (i = ESDI_TIMEOUT; i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL); i--);
- if (!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) {
- printk("%s: timeout reading status word\n", DEVICE_NAME);
- return FAIL;
- }
- *buffer = inw(ESDI_STT_INT);
- }
- return SUCCES;
-}
-
-
-
-
-static void dump_cmd_complete_status(u_int int_ret_code)
-{
-#define WAIT_FOR_STATUS \
- for(i=ESDI_TIMEOUT;i && !(inb(ESDI_STATUS) & STATUS_STAT_AVAIL);i--); \
- if(!(inb(ESDI_STATUS) & STATUS_STAT_AVAIL)) { \
- printk("%s: timeout reading status word\n",DEVICE_NAME); \
- return; \
- }
-
- int i, word_count;
- u_short stat_word;
- u_long rba;
-
- printk("%s: Device: %u, interrupt ID: %02X\n",
- DEVICE_NAME, int_ret_code >> 5,
- int_ret_code & 0xf);
-
- WAIT_FOR_STATUS;
- stat_word = inw(ESDI_STT_INT);
- word_count = (stat_word >> 8) - 1;
- printk("%s: %u status words, command: %02X\n", DEVICE_NAME, word_count,
- stat_word & 0xff);
-
- if (word_count--) {
- WAIT_FOR_STATUS;
- stat_word = inw(ESDI_STT_INT);
- printk("%s: command status code: %02X, command error code: %02X\n",
- DEVICE_NAME, stat_word >> 8, stat_word & 0xff);
- }
- if (word_count--) {
- WAIT_FOR_STATUS;
- stat_word = inw(ESDI_STT_INT);
- printk("%s: device error code: %s%s%s%s%s,%02X\n", DEVICE_NAME,
- (stat_word & 0x1000) ? "Ready, " : "Not Ready, ",
- (stat_word & 0x0800) ? "Selected, " : "Not Selected, ",
- (stat_word & 0x0400) ? "Write Fault, " : "",
- (stat_word & 0x0200) ? "Track 0, " : "",
- (stat_word & 0x0100) ? "Seek or command complete, " : "",
- stat_word >> 8);
- }
- if (word_count--) {
- WAIT_FOR_STATUS;
- stat_word = inw(ESDI_STT_INT);
- printk("%s: Blocks to do: %u", DEVICE_NAME, stat_word);
- }
- if (word_count -= 2) {
- WAIT_FOR_STATUS;
- rba = inw(ESDI_STT_INT);
- WAIT_FOR_STATUS;
- rba |= inw(ESDI_STT_INT) << 16;
- printk(", Last Cyl: %u Head: %u Sector: %u\n",
- (u_short) ((rba & 0x1ff80000) >> 11),
- (u_short) ((rba & 0x7E0) >> 5), (u_short) (rba & 0x1f));
- } else
- printk("\n");
-
- if (word_count--) {
- WAIT_FOR_STATUS;
- stat_word = inw(ESDI_STT_INT);
- printk("%s: Blocks required ECC: %u", DEVICE_NAME, stat_word);
- }
- printk("\n");
-
-#undef WAIT_FOR_STATUS
-
-}
-
-static int ps2esdi_getgeo(struct block_device *bdev, struct hd_geometry *geo)
-{
- struct ps2esdi_i_struct *p = bdev->bd_disk->private_data;
-
- geo->heads = p->head;
- geo->sectors = p->sect;
- geo->cylinders = p->cyl;
- return 0;
-}
-
-static void ps2esdi_reset_timer(unsigned long unused)
-{
-
- int status;
-
- status = inb(ESDI_INTRPT);
- if ((status & 0xf) == INT_RESET) {
- outb((status & 0xe0) | ATT_EOI, ESDI_ATTN);
- outb(CTRL_ENABLE_INTR, ESDI_CONTROL);
- reset_status = 1;
- }
- wake_up(&ps2esdi_int);
-}
diff --git a/drivers/char/drm/ati_pcigart.c b/drivers/char/drm/ati_pcigart.c
index d352dbb4ccf..e5a0e97cfdd 100644
--- a/drivers/char/drm/ati_pcigart.c
+++ b/drivers/char/drm/ati_pcigart.c
@@ -35,42 +35,23 @@
# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */
-static void *drm_ati_alloc_pcigart_table(int order)
+static int drm_ati_alloc_pcigart_table(struct drm_device *dev,
+ struct drm_ati_pcigart_info *gart_info)
{
- unsigned long address;
- struct page *page;
- int i;
-
- DRM_DEBUG("%d order\n", order);
-
- address = __get_free_pages(GFP_KERNEL | __GFP_COMP,
- order);
- if (address == 0UL) {
- return NULL;
- }
-
- page = virt_to_page(address);
+ gart_info->table_handle = drm_pci_alloc(dev, gart_info->table_size,
+ PAGE_SIZE,
+ gart_info->table_mask);
+ if (gart_info->table_handle == NULL)
+ return -ENOMEM;
- for (i = 0; i < order; i++, page++)
- SetPageReserved(page);
-
- DRM_DEBUG("returning 0x%08lx\n", address);
- return (void *)address;
+ return 0;
}
-static void drm_ati_free_pcigart_table(void *address, int order)
+static void drm_ati_free_pcigart_table(struct drm_device *dev,
+ struct drm_ati_pcigart_info *gart_info)
{
- struct page *page;
- int i;
- int num_pages = 1 << order;
- DRM_DEBUG("\n");
-
- page = virt_to_page((unsigned long)address);
-
- for (i = 0; i < num_pages; i++, page++)
- ClearPageReserved(page);
-
- free_pages((unsigned long)address, order);
+ drm_pci_free(dev, gart_info->table_handle);
+ gart_info->table_handle = NULL;
}
int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
@@ -78,8 +59,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info
struct drm_sg_mem *entry = dev->sg;
unsigned long pages;
int i;
- int order;
- int num_pages, max_pages;
+ int max_pages;
/* we need to support large memory configurations */
if (!entry) {
@@ -87,15 +67,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info
return 0;
}
- order = drm_order((gart_info->table_size + (PAGE_SIZE-1)) / PAGE_SIZE);
- num_pages = 1 << order;
-
if (gart_info->bus_addr) {
- if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
- pci_unmap_single(dev->pdev, gart_info->bus_addr,
- num_pages * PAGE_SIZE,
- PCI_DMA_TODEVICE);
- }
max_pages = (gart_info->table_size / sizeof(u32));
pages = (entry->pages <= max_pages)
@@ -112,10 +84,9 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info
gart_info->bus_addr = 0;
}
- if (gart_info->gart_table_location == DRM_ATI_GART_MAIN
- && gart_info->addr) {
- drm_ati_free_pcigart_table(gart_info->addr, order);
- gart_info->addr = NULL;
+ if (gart_info->gart_table_location == DRM_ATI_GART_MAIN &&
+ gart_info->table_handle) {
+ drm_ati_free_pcigart_table(dev, gart_info);
}
return 1;
@@ -127,11 +98,10 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
struct drm_sg_mem *entry = dev->sg;
void *address = NULL;
unsigned long pages;
- u32 *pci_gart, page_base, bus_address = 0;
+ u32 *pci_gart, page_base;
+ dma_addr_t bus_address = 0;
int i, j, ret = 0;
- int order;
int max_pages;
- int num_pages;
if (!entry) {
DRM_ERROR("no scatter/gather memory!\n");
@@ -141,31 +111,14 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n");
- order = drm_order((gart_info->table_size +
- (PAGE_SIZE-1)) / PAGE_SIZE);
- num_pages = 1 << order;
- address = drm_ati_alloc_pcigart_table(order);
- if (!address) {
+ ret = drm_ati_alloc_pcigart_table(dev, gart_info);
+ if (ret) {
DRM_ERROR("cannot allocate PCI GART page!\n");
goto done;
}
- if (!dev->pdev) {
- DRM_ERROR("PCI device unknown!\n");
- goto done;
- }
-
- bus_address = pci_map_single(dev->pdev, address,
- num_pages * PAGE_SIZE,
- PCI_DMA_TODEVICE);
- if (bus_address == 0) {
- DRM_ERROR("unable to map PCIGART pages!\n");
- order = drm_order((gart_info->table_size +
- (PAGE_SIZE-1)) / PAGE_SIZE);
- drm_ati_free_pcigart_table(address, order);
- address = NULL;
- goto done;
- }
+ address = gart_info->table_handle->vaddr;
+ bus_address = gart_info->table_handle->busaddr;
} else {
address = gart_info->addr;
bus_address = gart_info->bus_addr;
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index a6789f25009..8ea9dd1717a 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -54,6 +54,7 @@
#include <linux/pci.h>
#include <linux/jiffies.h>
#include <linux/smp_lock.h> /* For (un)lock_kernel */
+#include <linux/dma-mapping.h>
#include <linux/mm.h>
#include <linux/cdev.h>
#include <linux/mutex.h>
@@ -551,6 +552,8 @@ struct drm_ati_pcigart_info {
int gart_reg_if;
void *addr;
dma_addr_t bus_addr;
+ dma_addr_t table_mask;
+ struct drm_dma_handle *table_handle;
drm_local_map_t mapping;
int table_size;
};
diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c
index 3992f73299c..f09d4b5002b 100644
--- a/drivers/char/drm/drm_fops.c
+++ b/drivers/char/drm/drm_fops.c
@@ -326,6 +326,7 @@ int drm_release(struct inode *inode, struct file *filp)
struct drm_file *file_priv = filp->private_data;
struct drm_device *dev = file_priv->head->dev;
int retcode = 0;
+ unsigned long irqflags;
lock_kernel();
@@ -357,9 +358,11 @@ int drm_release(struct inode *inode, struct file *filp)
*/
do{
- spin_lock(&dev->lock.spinlock);
+ spin_lock_irqsave(&dev->lock.spinlock,
+ irqflags);
locked = dev->lock.idle_has_lock;
- spin_unlock(&dev->lock.spinlock);
+ spin_unlock_irqrestore(&dev->lock.spinlock,
+ irqflags);
if (locked)
break;
schedule();
diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c
index bea2a7d5b2b..12dcdd1832f 100644
--- a/drivers/char/drm/drm_lock.c
+++ b/drivers/char/drm/drm_lock.c
@@ -53,6 +53,7 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv)
DECLARE_WAITQUEUE(entry, current);
struct drm_lock *lock = data;
int ret = 0;
+ unsigned long irqflags;
++file_priv->lock_count;
@@ -71,9 +72,9 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv)
return -EINVAL;
add_wait_queue(&dev->lock.lock_queue, &entry);
- spin_lock(&dev->lock.spinlock);
+ spin_lock_irqsave(&dev->lock.spinlock, irqflags);
dev->lock.user_waiters++;
- spin_unlock(&dev->lock.spinlock);
+ spin_unlock_irqrestore(&dev->lock.spinlock, irqflags);
for (;;) {
__set_current_state(TASK_INTERRUPTIBLE);
if (!dev->lock.hw_lock) {
@@ -95,9 +96,9 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv)
break;
}
}
- spin_lock(&dev->lock.spinlock);
+ spin_lock_irqsave(&dev->lock.spinlock, irqflags);
dev->lock.user_waiters--;
- spin_unlock(&dev->lock.spinlock);
+ spin_unlock_irqrestore(&dev->lock.spinlock, irqflags);
__set_current_state(TASK_RUNNING);
remove_wait_queue(&dev->lock.lock_queue, &entry);
@@ -198,8 +199,9 @@ int drm_lock_take(struct drm_lock_data *lock_data,
{
unsigned int old, new, prev;
volatile unsigned int *lock = &lock_data->hw_lock->lock;
+ unsigned long irqflags;
- spin_lock(&lock_data->spinlock);
+ spin_lock_irqsave(&lock_data->spinlock, irqflags);
do {
old = *lock;
if (old & _DRM_LOCK_HELD)
@@ -211,7 +213,7 @@ int drm_lock_take(struct drm_lock_data *lock_data,
}
prev = cmpxchg(lock, old, new);
} while (prev != old);
- spin_unlock(&lock_data->spinlock);
+ spin_unlock_irqrestore(&lock_data->spinlock, irqflags);
if (_DRM_LOCKING_CONTEXT(old) == context) {
if (old & _DRM_LOCK_HELD) {
@@ -272,15 +274,16 @@ int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context)
{
unsigned int old, new, prev;
volatile unsigned int *lock = &lock_data->hw_lock->lock;
+ unsigned long irqflags;
- spin_lock(&lock_data->spinlock);
+ spin_lock_irqsave(&lock_data->spinlock, irqflags);
if (lock_data->kernel_waiters != 0) {
drm_lock_transfer(lock_data, 0);
lock_data->idle_has_lock = 1;
- spin_unlock(&lock_data->spinlock);
+ spin_unlock_irqrestore(&lock_data->spinlock, irqflags);
return 1;
}
- spin_unlock(&lock_data->spinlock);
+ spin_unlock_irqrestore(&lock_data->spinlock, irqflags);
do {
old = *lock;
@@ -344,19 +347,20 @@ static int drm_notifier(void *priv)
void drm_idlelock_take(struct drm_lock_data *lock_data)
{
int ret = 0;
+ unsigned long irqflags;
- spin_lock(&lock_data->spinlock);
+ spin_lock_irqsave(&lock_data->spinlock, irqflags);
lock_data->kernel_waiters++;
if (!lock_data->idle_has_lock) {
- spin_unlock(&lock_data->spinlock);
+ spin_unlock_irqrestore(&lock_data->spinlock, irqflags);
ret = drm_lock_take(lock_data, DRM_KERNEL_CONTEXT);
- spin_lock(&lock_data->spinlock);
+ spin_lock_irqsave(&lock_data->spinlock, irqflags);
if (ret == 1)
lock_data->idle_has_lock = 1;
}
- spin_unlock(&lock_data->spinlock);
+ spin_unlock_irqrestore(&lock_data->spinlock, irqflags);
}
EXPORT_SYMBOL(drm_idlelock_take);
@@ -364,8 +368,9 @@ void drm_idlelock_release(struct drm_lock_data *lock_data)
{
unsigned int old, prev;
volatile unsigned int *lock = &lock_data->hw_lock->lock;
+ unsigned long irqflags;
- spin_lock(&lock_data->spinlock);
+ spin_lock_irqsave(&lock_data->spinlock, irqflags);
if (--lock_data->kernel_waiters == 0) {
if (lock_data->idle_has_lock) {
do {
@@ -376,7 +381,7 @@ void drm_idlelock_release(struct drm_lock_data *lock_data)
lock_data->idle_has_lock = 0;
}
}
- spin_unlock(&lock_data->spinlock);
+ spin_unlock_irqrestore(&lock_data->spinlock, irqflags);
}
EXPORT_SYMBOL(drm_idlelock_release);
diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h
index 715b361f0c2..a6a499f97e2 100644
--- a/drivers/char/drm/drm_pciids.h
+++ b/drivers/char/drm/drm_pciids.h
@@ -205,9 +205,9 @@
{0x1002, 0x71D6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x71DA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_NEW_MEMMAP}, \
{0x1002, 0x71DE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
- {0x1002, 0x7200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_NEW_MEMMAP}, \
- {0x1002, 0x7210, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
- {0x1002, 0x7211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x7200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x7210, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x7211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x7240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \
{0x1002, 0x7243, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \
{0x1002, 0x7244, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \
@@ -238,6 +238,7 @@
{0x1002, 0x7834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_NEW_MEMMAP}, \
{0x1002, 0x7835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x791e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \
+ {0x1002, 0x791f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \
{0, 0, 0}
#define r128_PCI_IDS \
diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c
index 892e0a58984..f36adbd3aaf 100644
--- a/drivers/char/drm/r128_cce.c
+++ b/drivers/char/drm/r128_cce.c
@@ -558,6 +558,7 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init)
#if __OS_HAS_AGP
if (dev_priv->is_pci) {
#endif
+ dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN;
dev_priv->gart_info.table_size = R128_PCIGART_TABLE_SIZE;
dev_priv->gart_info.addr = NULL;
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 833abc7e55f..9072e4a1894 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -1807,6 +1807,7 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
} else
#endif
{
+ dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
/* if we have an offset set from userspace */
if (dev_priv->pcigart_offset_set) {
dev_priv->gart_info.bus_addr =
diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c
index 94baec692b5..7a339dba6a6 100644
--- a/drivers/char/drm/via_dma.c
+++ b/drivers/char/drm/via_dma.c
@@ -126,6 +126,8 @@ via_cmdbuf_wait(drm_via_private_t * dev_priv, unsigned int size)
hw_addr, cur_addr, next_addr);
return -1;
}
+ if ((cur_addr < hw_addr) && (next_addr >= hw_addr))
+ msleep(1);
} while ((cur_addr < hw_addr) && (next_addr >= hw_addr));
return 0;
}
@@ -416,27 +418,50 @@ static int via_hook_segment(drm_via_private_t * dev_priv,
int paused, count;
volatile uint32_t *paused_at = dev_priv->last_pause_ptr;
uint32_t reader,ptr;
+ uint32_t diff;
paused = 0;
via_flush_write_combine();
(void) *(volatile uint32_t *)(via_get_dma(dev_priv) -1);
+
*paused_at = pause_addr_lo;
via_flush_write_combine();
(void) *paused_at;
+
reader = *(dev_priv->hw_addr_ptr);
ptr = ((volatile char *)paused_at - dev_priv->dma_ptr) +
dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4;
+
dev_priv->last_pause_ptr = via_get_dma(dev_priv) - 1;
- if ((ptr - reader) <= dev_priv->dma_diff ) {
- count = 10000000;
- while (!(paused = (VIA_READ(0x41c) & 0x80000000)) && count--);
+ /*
+ * If there is a possibility that the command reader will
+ * miss the new pause address and pause on the old one,
+ * In that case we need to program the new start address
+ * using PCI.
+ */
+
+ diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff;
+ count = 10000000;
+ while(diff == 0 && count--) {
+ paused = (VIA_READ(0x41c) & 0x80000000);
+ if (paused)
+ break;
+ reader = *(dev_priv->hw_addr_ptr);
+ diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff;
}
+ paused = VIA_READ(0x41c) & 0x80000000;
+
if (paused && !no_pci_fire) {
reader = *(dev_priv->hw_addr_ptr);
- if ((ptr - reader) == dev_priv->dma_diff) {
-
+ diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff;
+ diff &= (dev_priv->dma_high - 1);
+ if (diff != 0 && diff < (dev_priv->dma_high >> 1)) {
+ DRM_ERROR("Paused at incorrect address. "
+ "0x%08x, 0x%08x 0x%08x\n",
+ ptr, reader, dev_priv->dma_diff);
+ } else if (diff == 0) {
/*
* There is a concern that these writes may stall the PCI bus
* if the GPU is not idle. However, idling the GPU first
@@ -577,6 +602,7 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv)
uint32_t pause_addr_lo, pause_addr_hi;
uint32_t jump_addr_lo, jump_addr_hi;
volatile uint32_t *last_pause_ptr;
+ uint32_t dma_low_save1, dma_low_save2;
agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr;
via_align_cmd(dev_priv, HC_HAGPBpID_JUMP, 0, &jump_addr_hi,
@@ -603,8 +629,29 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv)
&pause_addr_lo, 0);
*last_pause_ptr = pause_addr_lo;
+ dma_low_save1 = dev_priv->dma_low;
- via_hook_segment( dev_priv, jump_addr_hi, jump_addr_lo, 0);
+ /*
+ * Now, set a trap that will pause the regulator if it tries to rerun the old
+ * command buffer. (Which may happen if via_hook_segment detecs a command regulator pause
+ * and reissues the jump command over PCI, while the regulator has already taken the jump
+ * and actually paused at the current buffer end).
+ * There appears to be no other way to detect this condition, since the hw_addr_pointer
+ * does not seem to get updated immediately when a jump occurs.
+ */
+
+ last_pause_ptr =
+ via_align_cmd(dev_priv, HC_HAGPBpID_PAUSE, 0, &pause_addr_hi,
+ &pause_addr_lo, 0) - 1;
+ via_align_cmd(dev_priv, HC_HAGPBpID_PAUSE, 0, &pause_addr_hi,
+ &pause_addr_lo, 0);
+ *last_pause_ptr = pause_addr_lo;
+
+ dma_low_save2 = dev_priv->dma_low;
+ dev_priv->dma_low = dma_low_save1;
+ via_hook_segment(dev_priv, jump_addr_hi, jump_addr_lo, 0);
+ dev_priv->dma_low = dma_low_save2;
+ via_hook_segment(dev_priv, pause_addr_hi, pause_addr_lo, 0);
}
diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c
index 33c5197b73c..409e00afdd0 100644
--- a/drivers/char/drm/via_dmablit.c
+++ b/drivers/char/drm/via_dmablit.c
@@ -603,7 +603,7 @@ via_build_sg_info(struct drm_device *dev, drm_via_sg_info_t *vsg, drm_via_dmabli
* (Not a big limitation anyway.)
*/
- if ((xfer->mem_stride - xfer->line_length) >= PAGE_SIZE) {
+ if ((xfer->mem_stride - xfer->line_length) > 2*PAGE_SIZE) {
DRM_ERROR("Too large system memory stride. Stride: %d, "
"Length: %d\n", xfer->mem_stride, xfer->line_length);
return -EINVAL;
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 7f4836b8e71..5fa4ba0d993 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -467,7 +467,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
t_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset);
t_slot->hpc_ops->get_adapter_status(t_slot, &value); /* Check if slot is occupied */
- if (value) {
+ if (value && pciehp_force) {
rc = pciehp_enable_slot(t_slot);
if (rc) /* -ENODEV: shouldn't happen, but deal with it */
value = 0;
diff --git a/fs/bio.c b/fs/bio.c
index 3312fcc3c09..553b5b7960a 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1194,6 +1194,8 @@ EXPORT_SYMBOL(bio_hw_segments);
EXPORT_SYMBOL(bio_add_page);
EXPORT_SYMBOL(bio_add_pc_page);
EXPORT_SYMBOL(bio_get_nr_vecs);
+EXPORT_SYMBOL(bio_map_user);
+EXPORT_SYMBOL(bio_unmap_user);
EXPORT_SYMBOL(bio_map_kern);
EXPORT_SYMBOL(bio_pair_release);
EXPORT_SYMBOL(bio_split);
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 0fac822c115..4108b38ebb1 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -127,7 +127,6 @@ header-y += pkt_sched.h
header-y += posix_types.h
header-y += ppdev.h
header-y += prctl.h
-header-y += ps2esdi.h
header-y += qnxtypes.h
header-y += quotaio_v1.h
header-y += quotaio_v2.h
diff --git a/include/linux/ps2esdi.h b/include/linux/ps2esdi.h
deleted file mode 100644
index c0e050b1dfe..00000000000
--- a/include/linux/ps2esdi.h
+++ /dev/null
@@ -1,98 +0,0 @@
-#ifndef _PS2ESDI_H_
-#define _PS2ESDI_H_
-
-#define NRML_ESDI_ID 0xddff
-#define INTG_ESDI_ID 0xdf9f
-
-#define PRIMARY_IO_BASE 0x3510
-#define ALT_IO_BASE 0x3518
-
-#define ESDI_CMD_INT (io_base+0)
-#define ESDI_STT_INT (io_base+0)
-#define ESDI_CONTROL (io_base+2)
-#define ESDI_STATUS (io_base+2)
-#define ESDI_ATTN (io_base+3)
-#define ESDI_INTRPT (io_base+3)
-
-#define STATUS_ENABLED 0x01
-#define STATUS_ALTERNATE 0x02
-#define STATUS_BUSY 0x10
-#define STATUS_STAT_AVAIL 0x08
-#define STATUS_INTR 0x01
-#define STATUS_RESET_FAIL 0xea
-#define STATUS_CMD_INF 0x04
-
-#define CTRL_SOFT_RESET 0xe4
-#define CTRL_HARD_RESET 0x80
-#define CTRL_EOI 0xe2
-#define CTRL_ENABLE_DMA 0x02
-#define CTRL_ENABLE_INTR 0x01
-#define CTRL_DISABLE_INTR 0x00
-
-#define ATT_EOI 0x02
-
-/* bits of word 0 of configuration status block. more info see p.38 of tech ref */
-#define CONFIG_IS 0x10 /* Invalid Secondary */
-#define CONFIG_ZD 0x08 /* Zero Defect */
-#define CONFIG_SF 0x04 /* Skewed Format */
-#define CONFIG_FR 0x02 /* Removable */
-#define CONFIG_RT 0x01 /* Retries */
-
-#define PORT_SYS_A 0x92
-#define PORT_DMA_FN 0x18
-#define PORT_DMA_EX 0x1a
-
-#define ON (unsigned char)0x40
-#define OFF (unsigned char)~ON
-#define LITE_ON outb(inb(PORT_SYS_A) | ON,PORT_SYS_A)
-#define LITE_OFF outb((inb(PORT_SYS_A) & OFF),PORT_SYS_A)
-
-#define FAIL 0
-#define SUCCES 1
-
-#define INT_CMD_COMPLETE 0x01
-#define INT_CMD_ECC 0x03
-#define INT_CMD_RETRY 0x05
-#define INT_CMD_FORMAT 0x06
-#define INT_CMD_ECC_RETRY 0x07
-#define INT_CMD_WARNING 0x08
-#define INT_CMD_ABORT 0x09
-#define INT_RESET 0x0A
-#define INT_TRANSFER_REQ 0x0B
-#define INT_CMD_FAILED 0x0C
-#define INT_DMA_ERR 0x0D
-#define INT_CMD_BLK_ERR 0x0E
-#define INT_ATTN_ERROR 0x0F
-
-#define DMA_MASK_CHAN 0x90
-#define DMA_UNMASK_CHAN 0xA0
-#define DMA_WRITE_ADDR 0x20
-#define DMA_WRITE_TC 0x40
-#define DMA_WRITE_MODE 0x70
-
-#define CMD_GET_DEV_CONFIG 0x09
-#define CMD_READ 0x4601
-#define CMD_WRITE 0x4602
-#define DMA_READ_16 0x4C
-#define DMA_WRITE_16 0x44
-
-
-#define MB 1024*1024
-#define SECT_SIZE 512
-
-#define ERROR 1
-#define OK 0
-
-#define HDIO_GETGEO 0x0301
-
-#define FALSE 0
-#define TRUE !FALSE
-
-struct ps2esdi_geometry {
- unsigned char heads;
- unsigned char sectors;
- unsigned short cylinders;
- unsigned long start;
-};
-
-#endif /* _PS2ESDI_H_ */
diff --git a/kernel/relay.c b/kernel/relay.c
index d080b9d161a..4c035a8a248 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1066,7 +1066,7 @@ static int subbuf_splice_actor(struct file *in,
unsigned int flags,
int *nonpad_ret)
{
- unsigned int pidx, poff, total_len, subbuf_pages, ret;
+ unsigned int pidx, poff, total_len, subbuf_pages, nr_pages, ret;
struct rchan_buf *rbuf = in->private_data;
unsigned int subbuf_size = rbuf->chan->subbuf_size;
uint64_t pos = (uint64_t) *ppos;
@@ -1097,8 +1097,9 @@ static int subbuf_splice_actor(struct file *in,
subbuf_pages = rbuf->chan->alloc_size >> PAGE_SHIFT;
pidx = (read_start / PAGE_SIZE) % subbuf_pages;
poff = read_start & ~PAGE_MASK;
+ nr_pages = min_t(unsigned int, subbuf_pages, PIPE_BUFFERS);
- for (total_len = 0; spd.nr_pages < subbuf_pages; spd.nr_pages++) {
+ for (total_len = 0; spd.nr_pages < nr_pages; spd.nr_pages++) {
unsigned int this_len, this_end, private;
unsigned int cur_pos = read_start + total_len;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 04:57:49 +0000