Videopix Frame Grabber: Convert the semaphore device_lock_sem to the
mutex API
Signed-off-by: Matthias Kaehlcke <[email protected]>
--
diff --git a/drivers/sbus/char/vfc.h b/drivers/sbus/char/vfc.h
index 63941a2..f1aa138 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 9269f7f..e7a1642 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);
}
--
Matthias Kaehlcke
Linux Application Developer
Barcelona
If liberty means anything at all, it means the
right to tell people what they do not want to hear
(George Orwell)
.''`.
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