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authorMatthias Kaehlcke <matthias.kaehlcke@gmail.com>2007-10-17 19:40:31 -0700
committerDavid S. Miller <davem@davemloft.net>2007-10-17 19:40:31 -0700
commit7b96dc023a1b487bce59256fde14b8bb28b45aea (patch)
tree9075eb698b46ddb27514bdacd4856e86434bb59d
parent6050afbbb01d1f5a867f7839be6460bac801f5bc (diff)
[SPARC] Videopix Frame Grabber: Convert device_lock_sem to mutex
Videopix Frame Grabber: Convert the semaphore device_lock_sem to the mutex API Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/sbus/char/vfc.h2
-rw-r--r--drivers/sbus/char/vfc_dev.c5
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/sbus/char/vfc.h b/drivers/sbus/char/vfc.h
index 63941a259b92..f1aa1389ea4a 100644
--- a/drivers/sbus/char/vfc.h
+++ b/drivers/sbus/char/vfc.h
@@ -126,7 +126,7 @@ struct vfc_dev {
volatile struct vfc_regs __iomem *regs;
struct vfc_regs *phys_regs;
unsigned int control_reg;
- struct semaphore device_lock_sem;
+ struct mutex device_lock_mtx;
int instance;
int busy;
unsigned long which_io;
diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c
index 9269f7fbd363..e7a1642b2aa4 100644
--- a/drivers/sbus/char/vfc_dev.c
+++ b/drivers/sbus/char/vfc_dev.c
@@ -22,6 +22,7 @@
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
+#include <linux/mutex.h>
#include <linux/mm.h>
#include <asm/openprom.h>
@@ -54,12 +55,12 @@ static unsigned char saa9051_init_array[VFC_SAA9051_NR] = {
void vfc_lock_device(struct vfc_dev *dev)
{
- down(&dev->device_lock_sem);
+ mutex_lock(&dev->device_lock_mtx);
}
void vfc_unlock_device(struct vfc_dev *dev)
{
- up(&dev->device_lock_sem);
+ mutex_unlock(&dev->device_lock_mtx);
}