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authorAlessio Igor Bogani <abogani@texware.it>2009-03-31 15:25:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-01 08:59:34 -0700
commit98da329581e3e6a08eba418ba6da64c05bacd029 (patch)
tree5e0377ffb0b9f9146db63feeb8a2b94876ba9a85 /drivers/video/nvidia
parent18b41f1cd537168a886c43237297692ba8d0a143 (diff)
downloadlinux-98da329581e3e6a08eba418ba6da64c05bacd029.tar.gz
nvidiafb: remove open_lock mutex
Remove mutex from the nvidiafb_open/nvidiafb_release functions as these operations are mutexed at fb layer. Signed-off-by: Alessio Igor Bogani <abogani@texware.it> Cc: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/nvidia')
-rw-r--r--drivers/video/nvidia/nv_type.h2
-rw-r--r--drivers/video/nvidia/nvidia.c7
2 files changed, 0 insertions, 9 deletions
diff --git a/drivers/video/nvidia/nv_type.h b/drivers/video/nvidia/nv_type.h
index f132aab8c5d..c03f7f55c76 100644
--- a/drivers/video/nvidia/nv_type.h
+++ b/drivers/video/nvidia/nv_type.h
@@ -5,7 +5,6 @@
#include <linux/types.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
-#include <linux/mutex.h>
#include <video/vga.h>
#define NV_ARCH_04 0x04
@@ -99,7 +98,6 @@ struct nvidia_par {
RIVA_HW_STATE initial_state;
RIVA_HW_STATE *CurrentState;
struct vgastate vgastate;
- struct mutex open_lock;
u32 pseudo_palette[16];
struct pci_dev *pci_dev;
u32 Architecture;
diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index 9dbb5a5a267..efe10ff86d6 100644
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -1004,15 +1004,12 @@ static int nvidiafb_open(struct fb_info *info, int user)
{
struct nvidia_par *par = info->par;
- mutex_lock(&par->open_lock);
-
if (!par->open_count) {
save_vga_x86(par);
nvidia_save_vga(par, &par->initial_state);
}
par->open_count++;
- mutex_unlock(&par->open_lock);
return 0;
}
@@ -1021,8 +1018,6 @@ static int nvidiafb_release(struct fb_info *info, int user)
struct nvidia_par *par = info->par;
int err = 0;
- mutex_lock(&par->open_lock);
-
if (!par->open_count) {
err = -EINVAL;
goto done;
@@ -1035,7 +1030,6 @@ static int nvidiafb_release(struct fb_info *info, int user)
par->open_count--;
done:
- mutex_unlock(&par->open_lock);
return err;
}
@@ -1300,7 +1294,6 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd,
par = info->par;
par->pci_dev = pd;
- mutex_init(&par->open_lock);
info->pixmap.addr = kzalloc(8 * 1024, GFP_KERNEL);
if (info->pixmap.addr == NULL)