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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>
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3 changed files with 0 additions and 9 deletions
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@ -2945,9 +2945,6 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
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dev->udev = udev;
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mutex_init(&dev->ctrl_urb_lock);
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spin_lock_init(&dev->slock);
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init_waitqueue_head(&dev->open);
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init_waitqueue_head(&dev->wait_frame);
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init_waitqueue_head(&dev->wait_stream);
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dev->em28xx_write_regs = em28xx_write_regs;
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dev->em28xx_read_reg = em28xx_read_reg;
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@ -3385,8 +3382,6 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
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resources */
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mutex_lock(&dev->lock);
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wake_up_interruptible_all(&dev->open);
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v4l2_device_disconnect(&dev->v4l2_dev);
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if (dev->users) {
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@ -3398,8 +3393,6 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
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dev->state |= DEV_MISCONFIGURED;
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em28xx_uninit_isoc(dev, dev->mode);
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dev->state |= DEV_DISCONNECTED;
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wake_up_interruptible(&dev->wait_frame);
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wake_up_interruptible(&dev->wait_stream);
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} else {
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dev->state |= DEV_DISCONNECTED;
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em28xx_release_resources(dev);
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@ -2284,7 +2284,6 @@ static int em28xx_v4l2_close(struct file *filp)
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videobuf_mmap_free(&fh->vb_vbiq);
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kfree(fh);
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dev->users--;
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wake_up_interruptible_nr(&dev->open, 1);
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return 0;
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}
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@ -570,7 +570,6 @@ struct em28xx {
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struct mutex ctrl_urb_lock; /* protects urb_buf */
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/* spinlock_t queue_lock; */
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struct list_head inqueue, outqueue;
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wait_queue_head_t open, wait_frame, wait_stream;
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struct video_device *vbi_dev;
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struct video_device *radio_dev;
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