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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
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')
-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 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)