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>
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 @@
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 @@
{
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 @@
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 @@
par->open_count--;
done:
- mutex_unlock(&par->open_lock);
return err;
}
@@ -1300,7 +1294,6 @@
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)