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author | Ingo Molnar <mingo@elte.hu> | 2006-02-07 06:49:14 -0200 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-02-07 06:49:14 -0200 |
commit | 3593cab5d62c4c7abced1076710f9bc2d8847433 (patch) | |
tree | dd5dc21961f6b4aef6900b0c2eb63ce7c70aecd5 /drivers/media/video/vino.c | |
parent | 538f9630afbbe429ecbcdcf92536200293a8e4b3 (diff) | |
download | linux-stable-3593cab5d62c4c7abced1076710f9bc2d8847433.tar.gz linux-stable-3593cab5d62c4c7abced1076710f9bc2d8847433.tar.bz2 linux-stable-3593cab5d62c4c7abced1076710f9bc2d8847433.zip |
V4L/DVB (3318b): sem2mutex: drivers/media/, #2
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/vino.c')
-rw-r--r-- | drivers/media/video/vino.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c index c8fd8238904d..0229819d0aac 100644 --- a/drivers/media/video/vino.c +++ b/drivers/media/video/vino.c @@ -42,6 +42,7 @@ #include <linux/videodev.h> #include <linux/videodev2.h> #include <linux/video_decoder.h> +#include <linux/mutex.h> #include <asm/paccess.h> #include <asm/io.h> @@ -245,7 +246,7 @@ struct vino_framebuffer_queue { struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX]; spinlock_t queue_lock; - struct semaphore queue_sem; + struct mutex queue_mutex; wait_queue_head_t frame_wait_queue; }; @@ -283,7 +284,7 @@ struct vino_channel_settings { /* the driver is currently processing the queue */ int capturing; - struct semaphore sem; + struct mutex mutex; spinlock_t capture_lock; unsigned int users; @@ -1131,11 +1132,11 @@ static void vino_queue_free(struct vino_framebuffer_queue *q) if (q->type != VINO_MEMORY_MMAP) return; - down(&q->queue_sem); + mutex_lock(&q->queue_mutex); vino_queue_free_with_count(q, q->length); - up(&q->queue_sem); + mutex_unlock(&q->queue_mutex); } static int vino_queue_init(struct vino_framebuffer_queue *q, @@ -1159,7 +1160,7 @@ static int vino_queue_init(struct vino_framebuffer_queue *q, if (*length < 1) return -EINVAL; - down(&q->queue_sem); + mutex_lock(&q->queue_mutex); if (*length > VINO_FRAMEBUFFER_COUNT_MAX) *length = VINO_FRAMEBUFFER_COUNT_MAX; @@ -1211,7 +1212,7 @@ static int vino_queue_init(struct vino_framebuffer_queue *q, q->magic = VINO_QUEUE_MAGIC; } - up(&q->queue_sem); + mutex_unlock(&q->queue_mutex); return ret; } @@ -4045,7 +4046,7 @@ static int vino_open(struct inode *inode, struct file *file) dprintk("open(): channel = %c\n", (vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B'); - down(&vcs->sem); + mutex_lock(&vcs->mutex); if (vcs->users) { dprintk("open(): driver busy\n"); @@ -4062,7 +4063,7 @@ static int vino_open(struct inode *inode, struct file *file) vcs->users++; out: - up(&vcs->sem); + mutex_unlock(&vcs->mutex); dprintk("open(): %s!\n", ret ? "failed" : "complete"); @@ -4075,7 +4076,7 @@ static int vino_close(struct inode *inode, struct file *file) struct vino_channel_settings *vcs = video_get_drvdata(dev); dprintk("close():\n"); - down(&vcs->sem); + mutex_lock(&vcs->mutex); vcs->users--; @@ -4087,7 +4088,7 @@ static int vino_close(struct inode *inode, struct file *file) vino_queue_free(&vcs->fb_queue); } - up(&vcs->sem); + mutex_unlock(&vcs->mutex); return 0; } @@ -4130,7 +4131,7 @@ static int vino_mmap(struct file *file, struct vm_area_struct *vma) // TODO: reject mmap if already mapped - if (down_interruptible(&vcs->sem)) + if (mutex_lock_interruptible(&vcs->mutex)) return -EINTR; if (vcs->reading) { @@ -4214,7 +4215,7 @@ found: vma->vm_ops = &vino_vm_ops; out: - up(&vcs->sem); + mutex_unlock(&vcs->mutex); return ret; } @@ -4374,12 +4375,12 @@ static int vino_ioctl(struct inode *inode, struct file *file, struct vino_channel_settings *vcs = video_get_drvdata(dev); int ret; - if (down_interruptible(&vcs->sem)) + if (mutex_lock_interruptible(&vcs->mutex)) return -EINTR; ret = video_usercopy(inode, file, cmd, arg, vino_do_ioctl); - up(&vcs->sem); + mutex_unlock(&vcs->mutex); return ret; } @@ -4564,10 +4565,10 @@ static int vino_init_channel_settings(struct vino_channel_settings *vcs, vcs->capturing = 0; - init_MUTEX(&vcs->sem); + mutex_init(&vcs->mutex); spin_lock_init(&vcs->capture_lock); - init_MUTEX(&vcs->fb_queue.queue_sem); + mutex_init(&vcs->fb_queue.queue_mutex); spin_lock_init(&vcs->fb_queue.queue_lock); init_waitqueue_head(&vcs->fb_queue.frame_wait_queue); |