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[media] em28xx: Remove unused wait_queue's 

Nobody ever waits on any of these wait_queue's,
so this patch removes them completely.
Tested by compilation only.

Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Ezequiel García 2012-05-05 12:17:33 -03:00 committed by Mauro Carvalho Chehab
parent cd624c7b7c
commit d2b30e9068
3 changed files with 0 additions and 9 deletions
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7
drivers/media/video/em28xx/em28xx-cards.c
View File

@ -2945,9 +2945,6 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
dev->udev = udev;
mutex_init(&dev->ctrl_urb_lock);
spin_lock_init(&dev->slock);
init_waitqueue_head(&dev->open);
init_waitqueue_head(&dev->wait_frame);
init_waitqueue_head(&dev->wait_stream);
dev->em28xx_write_regs = em28xx_write_regs;
dev->em28xx_read_reg = em28xx_read_reg;
@ -3385,8 +3382,6 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
resources */
mutex_lock(&dev->lock);
wake_up_interruptible_all(&dev->open);
v4l2_device_disconnect(&dev->v4l2_dev);
if (dev->users) {
@ -3398,8 +3393,6 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
dev->state |= DEV_MISCONFIGURED;
em28xx_uninit_isoc(dev, dev->mode);
dev->state |= DEV_DISCONNECTED;
wake_up_interruptible(&dev->wait_frame);
wake_up_interruptible(&dev->wait_stream);
} else {
dev->state |= DEV_DISCONNECTED;
em28xx_release_resources(dev);

1
drivers/media/video/em28xx/em28xx-video.c
View File

@ -2284,7 +2284,6 @@ static int em28xx_v4l2_close(struct file *filp)
videobuf_mmap_free(&fh->vb_vbiq);
kfree(fh);
dev->users--;
wake_up_interruptible_nr(&dev->open, 1);
return 0;
}

1
drivers/media/video/em28xx/em28xx.h
View File

@ -570,7 +570,6 @@ struct em28xx {
struct mutex ctrl_urb_lock; /* protects urb_buf */
/* spinlock_t queue_lock; */
struct list_head inqueue, outqueue;
wait_queue_head_t open, wait_frame, wait_stream;
struct video_device *vbi_dev;
struct video_device *radio_dev;