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path: root/drivers/media/video/arv.c
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Diffstat (limited to 'drivers/media/video/arv.c')
-rw-r--r--drivers/media/video/arv.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c
index 994b75fe165a..c586f64b6b7f 100644
--- a/drivers/media/video/arv.c
+++ b/drivers/media/video/arv.c
@@ -31,8 +31,8 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/videodev.h>
+#include <linux/mutex.h>
-#include <asm/semaphore.h>
#include <asm/uaccess.h>
#include <asm/m32r.h>
#include <asm/io.h>
@@ -117,7 +117,7 @@ struct ar_device {
int width, height;
int frame_bytes, line_bytes;
wait_queue_head_t wait;
- struct semaphore lock;
+ struct mutex lock;
};
static int video_nr = -1; /* video device number (first free) */
@@ -288,7 +288,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos)
if (ar->mode == AR_MODE_NORMAL)
arvcr1 |= ARVCR1_NORMAL;
- down(&ar->lock);
+ mutex_lock(&ar->lock);
#if USE_INT
local_irq_save(flags);
@@ -392,7 +392,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos)
}
DEBUG(1, "ret = %d\n", ret);
out_up:
- up(&ar->lock);
+ mutex_unlock(&ar->lock);
return ret;
}
@@ -456,7 +456,7 @@ static int ar_do_ioctl(struct inode *inode, struct file *file,
(w->width != AR_WIDTH_QVGA || w->height != AR_HEIGHT_QVGA))
return -EINVAL;
- down(&ar->lock);
+ mutex_lock(&ar->lock);
ar->width = w->width;
ar->height = w->height;
if (ar->width == AR_WIDTH_VGA) {
@@ -473,7 +473,7 @@ static int ar_do_ioctl(struct inode *inode, struct file *file,
ar->line_bytes = AR_LINE_BYTES_QVGA;
ar->mode = AR_MODE_INTERLACE;
}
- up(&ar->lock);
+ mutex_unlock(&ar->lock);
return 0;
}
case VIDIOCGFBUF:
@@ -734,7 +734,7 @@ static int ar_initialize(struct video_device *dev)
void ar_release(struct video_device *vfd)
{
struct ar_device *ar = vfd->priv;
- down(&ar->lock);
+ mutex_lock(&ar->lock);
video_device_release(vfd);
}
@@ -824,7 +824,7 @@ static int __init ar_init(void)
ar->line_bytes = AR_LINE_BYTES_QVGA;
ar->mode = AR_MODE_INTERLACE;
}
- init_MUTEX(&ar->lock);
+ mutex_init(&ar->lock);
init_waitqueue_head(&ar->wait);
#if USE_INT