aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/base/core.c29
-rw-r--r--drivers/block/DAC960.c1
-rw-r--r--drivers/char/agp/agp.h3
-rw-r--r--drivers/char/agp/intel-agp.c2
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c3
-rw-r--r--drivers/char/mspec.c69
-rw-r--r--drivers/ide/ide-disk.c1
-rw-r--r--drivers/ide/ppc/pmac.c2
-rw-r--r--drivers/media/video/usbvision/usbvision-cards.c1
-rw-r--r--drivers/mtd/nand/cafe_nand.c3
-rw-r--r--drivers/rtc/rtc-ds1553.c2
-rw-r--r--drivers/rtc/rtc-ds1742.c2
-rw-r--r--drivers/video/intelfb/intelfbhw.c2
13 files changed, 84 insertions, 36 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index e6738bcbe5a..6de33d7a29b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -679,14 +679,26 @@ static int device_add_class_symlinks(struct device *dev)
goto out_subsys;
}
if (dev->parent) {
- error = sysfs_create_link(&dev->kobj, &dev->parent->kobj,
- "device");
- if (error)
- goto out_busid;
#ifdef CONFIG_SYSFS_DEPRECATED
{
- char * class_name = make_class_name(dev->class->name,
- &dev->kobj);
+ struct device *parent = dev->parent;
+ char *class_name;
+
+ /*
+ * In old sysfs stacked class devices had 'device'
+ * link pointing to real device instead of parent
+ */
+ while (parent->class && !parent->bus && parent->parent)
+ parent = parent->parent;
+
+ error = sysfs_create_link(&dev->kobj,
+ &parent->kobj,
+ "device");
+ if (error)
+ goto out_busid;
+
+ class_name = make_class_name(dev->class->name,
+ &dev->kobj);
if (class_name)
error = sysfs_create_link(&dev->parent->kobj,
&dev->kobj, class_name);
@@ -694,6 +706,11 @@ static int device_add_class_symlinks(struct device *dev)
if (error)
goto out_device;
}
+#else
+ error = sysfs_create_link(&dev->kobj, &dev->parent->kobj,
+ "device");
+ if (error)
+ goto out_busid;
#endif
}
return 0;
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 504a95d888b..84d6aa500e2 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -31,6 +31,7 @@
#include <linux/genhd.h>
#include <linux/hdreg.h>
#include <linux/blkpg.h>
+#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/mm.h>
diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 35ab1a9f8e8..8955e7ff759 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -176,7 +176,7 @@ struct agp_bridge_data {
#define I830_GMCH_MEM_MASK 0x1
#define I830_GMCH_MEM_64M 0x1
#define I830_GMCH_MEM_128M 0
-#define I830_GMCH_GMS_MASK 0xF0
+#define I830_GMCH_GMS_MASK 0x70
#define I830_GMCH_GMS_DISABLED 0x00
#define I830_GMCH_GMS_LOCAL 0x10
#define I830_GMCH_GMS_STOLEN_512 0x20
@@ -190,6 +190,7 @@ struct agp_bridge_data {
#define INTEL_I830_ERRSTS 0x92
/* Intel 855GM/852GM registers */
+#define I855_GMCH_GMS_MASK 0xF0
#define I855_GMCH_GMS_STOLEN_0M 0x0
#define I855_GMCH_GMS_STOLEN_1M (0x1 << 4)
#define I855_GMCH_GMS_STOLEN_4M (0x2 << 4)
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 7c69bf259ca..a5d0e95a227 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -511,7 +511,7 @@ static void intel_i830_init_gtt_entries(void)
*/
if (IS_G33)
size = 0;
- switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
+ switch (gmch_ctrl & I855_GMCH_GMS_MASK) {
case I855_GMCH_GMS_STOLEN_1M:
gtt_entries = MB(1) - KB(size);
break;
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 9b07f785106..dd441ff4af5 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2215,7 +2215,8 @@ static int ipmi_pci_resume(struct pci_dev *pdev)
static struct pci_device_id ipmi_pci_devices[] = {
{ PCI_DEVICE(PCI_HP_VENDOR_ID, PCI_MMC_DEVICE_ID) },
- { PCI_DEVICE_CLASS(PCI_ERMC_CLASSCODE, PCI_ERMC_CLASSCODE_MASK) }
+ { PCI_DEVICE_CLASS(PCI_ERMC_CLASSCODE, PCI_ERMC_CLASSCODE_MASK) },
+ { 0, }
};
MODULE_DEVICE_TABLE(pci, ipmi_pci_devices);
diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c
index c08a4152ee8..049a46cc9f8 100644
--- a/drivers/char/mspec.c
+++ b/drivers/char/mspec.c
@@ -67,7 +67,7 @@
/*
* Page types allocated by the device.
*/
-enum {
+enum mspec_page_type {
MSPEC_FETCHOP = 1,
MSPEC_CACHED,
MSPEC_UNCACHED
@@ -83,15 +83,25 @@ static int is_sn2;
* One of these structures is allocated when an mspec region is mmaped. The
* structure is pointed to by the vma->vm_private_data field in the vma struct.
* This structure is used to record the addresses of the mspec pages.
+ * This structure is shared by all vma's that are split off from the
+ * original vma when split_vma()'s are done.
+ *
+ * The refcnt is incremented atomically because mm->mmap_sem does not
+ * protect in fork case where multiple tasks share the vma_data.
*/
struct vma_data {
atomic_t refcnt; /* Number of vmas sharing the data. */
- spinlock_t lock; /* Serialize access to the vma. */
+ spinlock_t lock; /* Serialize access to this structure. */
int count; /* Number of pages allocated. */
- int type; /* Type of pages allocated. */
+ enum mspec_page_type type; /* Type of pages allocated. */
+ int flags; /* See VMD_xxx below. */
+ unsigned long vm_start; /* Original (unsplit) base. */
+ unsigned long vm_end; /* Original (unsplit) end. */
unsigned long maddr[0]; /* Array of MSPEC addresses. */
};
+#define VMD_VMALLOCED 0x1 /* vmalloc'd rather than kmalloc'd */
+
/* used on shub2 to clear FOP cache in the HUB */
static unsigned long scratch_page[MAX_NUMNODES];
#define SH2_AMO_CACHE_ENTRIES 4
@@ -129,8 +139,8 @@ mspec_zero_block(unsigned long addr, int len)
* mspec_open
*
* Called when a device mapping is created by a means other than mmap
- * (via fork, etc.). Increments the reference count on the underlying
- * mspec data so it is not freed prematurely.
+ * (via fork, munmap, etc.). Increments the reference count on the
+ * underlying mspec data so it is not freed prematurely.
*/
static void
mspec_open(struct vm_area_struct *vma)
@@ -151,34 +161,44 @@ static void
mspec_close(struct vm_area_struct *vma)
{
struct vma_data *vdata;
- int i, pages, result, vdata_size;
+ int index, last_index, result;
+ unsigned long my_page;
vdata = vma->vm_private_data;
- if (!atomic_dec_and_test(&vdata->refcnt))
- return;
- pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
- vdata_size = sizeof(struct vma_data) + pages * sizeof(long);
- for (i = 0; i < pages; i++) {
- if (vdata->maddr[i] == 0)
+ BUG_ON(vma->vm_start < vdata->vm_start || vma->vm_end > vdata->vm_end);
+
+ spin_lock(&vdata->lock);
+ index = (vma->vm_start - vdata->vm_start) >> PAGE_SHIFT;
+ last_index = (vma->vm_end - vdata->vm_start) >> PAGE_SHIFT;
+ for (; index < last_index; index++) {
+ if (vdata->maddr[index] == 0)
continue;
/*
* Clear the page before sticking it back
* into the pool.
*/
- result = mspec_zero_block(vdata->maddr[i], PAGE_SIZE);
+ my_page = vdata->maddr[index];
+ vdata->maddr[index] = 0;
+ spin_unlock(&vdata->lock);
+ result = mspec_zero_block(my_page, PAGE_SIZE);
if (!result)
- uncached_free_page(vdata->maddr[i]);
+ uncached_free_page(my_page);
else
printk(KERN_WARNING "mspec_close(): "
"failed to zero page %i\n",
result);
+ spin_lock(&vdata->lock);
}
+ spin_unlock(&vdata->lock);
- if (vdata_size <= PAGE_SIZE)
- kfree(vdata);
- else
+ if (!atomic_dec_and_test(&vdata->refcnt))
+ return;
+
+ if (vdata->flags & VMD_VMALLOCED)
vfree(vdata);
+ else
+ kfree(vdata);
}
@@ -195,7 +215,8 @@ mspec_nopfn(struct vm_area_struct *vma, unsigned long address)
int index;
struct vma_data *vdata = vma->vm_private_data;
- index = (address - vma->vm_start) >> PAGE_SHIFT;
+ BUG_ON(address < vdata->vm_start || address >= vdata->vm_end);
+ index = (address - vdata->vm_start) >> PAGE_SHIFT;
maddr = (volatile unsigned long) vdata->maddr[index];
if (maddr == 0) {
maddr = uncached_alloc_page(numa_node_id());
@@ -237,10 +258,11 @@ static struct vm_operations_struct mspec_vm_ops = {
* underlying pages.
*/
static int
-mspec_mmap(struct file *file, struct vm_area_struct *vma, int type)
+mspec_mmap(struct file *file, struct vm_area_struct *vma,
+ enum mspec_page_type type)
{
struct vma_data *vdata;
- int pages, vdata_size;
+ int pages, vdata_size, flags = 0;
if (vma->vm_pgoff != 0)
return -EINVAL;
@@ -255,12 +277,17 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma, int type)
vdata_size = sizeof(struct vma_data) + pages * sizeof(long);
if (vdata_size <= PAGE_SIZE)
vdata = kmalloc(vdata_size, GFP_KERNEL);
- else
+ else {
vdata = vmalloc(vdata_size);
+ flags = VMD_VMALLOCED;
+ }
if (!vdata)
return -ENOMEM;
memset(vdata, 0, vdata_size);
+ vdata->vm_start = vma->vm_start;
+ vdata->vm_end = vma->vm_end;
+ vdata->flags = flags;
vdata->type = type;
spin_lock_init(&vdata->lock);
vdata->refcnt = ATOMIC_INIT(1);
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index eba1adbc1b6..4754769eda9 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -487,6 +487,7 @@ static inline int idedisk_supports_lba48(const struct hd_driveid *id)
*/
static const struct drive_list_entry hpa_list[] = {
{ "ST340823A", NULL },
+ { "ST320413A", NULL },
{ NULL, NULL }
};
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 4b13cd9a027..f19eb6daeef 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1802,9 +1802,7 @@ pmac_ide_dma_check(ide_drive_t *drive)
{
struct hd_driveid *id = drive->id;
ide_hwif_t *hwif = HWIF(drive);
- pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)hwif->hwif_data;
int enable = 1;
- int map;
drive->using_dma = 0;
if (drive->media == ide_floppy)
diff --git a/drivers/media/video/usbvision/usbvision-cards.c b/drivers/media/video/usbvision/usbvision-cards.c
index 380564cd331..f09eb102731 100644
--- a/drivers/media/video/usbvision/usbvision-cards.c
+++ b/drivers/media/video/usbvision/usbvision-cards.c
@@ -1081,6 +1081,7 @@ struct usb_device_id usbvision_table [] = {
{ USB_DEVICE(0x2304, 0x0301), .driver_info=PINNA_LINX_VD_IN_CAB_PAL },
{ USB_DEVICE(0x2304, 0x0419), .driver_info=PINNA_PCTV_BUNGEE_PAL_FM },
{ USB_DEVICE(0x2400, 0x4200), .driver_info=HPG_WINTV },
+ { }, /* terminate list */
};
MODULE_DEVICE_TABLE (usb, usbvision_table);
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index cff969d05d4..6f32a35eb10 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -816,7 +816,8 @@ static void __devexit cafe_nand_remove(struct pci_dev *pdev)
}
static struct pci_device_id cafe_nand_tbl[] = {
- { 0x11ab, 0x4100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MEMORY_FLASH << 8, 0xFFFF0 }
+ { 0x11ab, 0x4100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MEMORY_FLASH << 8, 0xFFFF0 },
+ { 0, }
};
MODULE_DEVICE_TABLE(pci, cafe_nand_tbl);
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 46da5714932..5ab3492817d 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -61,7 +61,7 @@
struct rtc_plat_data {
struct rtc_device *rtc;
void __iomem *ioaddr;
- unsigned long baseaddr;
+ resource_size_t baseaddr;
unsigned long last_jiffies;
int irq;
unsigned int irqen;
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index b2e5481ba3b..67291b0f828 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -55,7 +55,7 @@ struct rtc_plat_data {
void __iomem *ioaddr_rtc;
size_t size_nvram;
size_t size;
- unsigned long baseaddr;
+ resource_size_t baseaddr;
unsigned long last_jiffies;
};
diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c
index b21d0dec928..6a47682d861 100644
--- a/drivers/video/intelfb/intelfbhw.c
+++ b/drivers/video/intelfb/intelfbhw.c
@@ -1352,7 +1352,7 @@ intelfbhw_program_mode(struct intelfb_info *dinfo,
/* turn off PLL */
tmp = INREG(dpll_reg);
- dpll_reg &= ~DPLL_VCO_ENABLE;
+ tmp &= ~DPLL_VCO_ENABLE;
OUTREG(dpll_reg, tmp);
/* Set PLL parameters */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 00:50:22 +0000