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Subject[PATCH] nvidiafb: remove open_lock mutex
Date
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>
---
drivers/video/nvidia/nv_type.h | 2 --
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 f132aab..c03f7f5 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 9dbb5a5..efe10ff 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)
--
1.6.0.4


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