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Commit d2b30e90 authored by Ezequiel García's avatar Ezequiel García Committed by Mauro Carvalho Chehab
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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: default avatarEzequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent cd624c7b

drivers/media/video/em28xx/em28xx-cards.c

+0 −7
Original line number Diff line number Diff line
@@ -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);

drivers/media/video/em28xx/em28xx-video.c

+0 −1
Original line number Diff line number Diff line
@@ -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;

}

drivers/media/video/em28xx/em28xx.h

+0 −1
Original line number Diff line number Diff line
@@ -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;