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| author | Alessio Igor Bogani <abogani@texware.it> | 2009-03-31 15:25:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-01 08:59:34 -0700 |
| commit | 98da329581e3e6a08eba418ba6da64c05bacd029 (patch) | |
| tree | 5e0377ffb0b9f9146db63feeb8a2b94876ba9a85 | |
| parent | 18b41f1cd537168a886c43237297692ba8d0a143 (diff) | |
| download | blackbird-op-linux-98da329581e3e6a08eba418ba6da64c05bacd029.tar.gz blackbird-op-linux-98da329581e3e6a08eba418ba6da64c05bacd029.zip | |
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>
| -rw-r--r-- | drivers/video/nvidia/nv_type.h | 2 | ||||
| -rw-r--r-- | drivers/video/nvidia/nvidia.c | 7 |
2 files changed, 0 insertions, 9 deletions
diff --git a/drivers/video/nvidia/nv_type.h b/drivers/video/nvidia/nv_type.h index f132aab8c5de..c03f7f55c76d 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 9dbb5a5a267b..efe10ff86d63 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) |
