diff options
Diffstat (limited to 'drivers/media/video/arv.c')
-rw-r--r-- | drivers/media/video/arv.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c index 994b75fe165..c586f64b6b7 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 |