[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>
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index fcc713f..20a7e24 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -2945,9 +2945,6 @@
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 @@
resources */
mutex_lock(&dev->lock);
- wake_up_interruptible_all(&dev->open);
-
v4l2_device_disconnect(&dev->v4l2_dev);
if (dev->users) {
@@ -3398,8 +3393,6 @@
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);
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 308a1dd..1d40680 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -2284,7 +2284,6 @@
videobuf_mmap_free(&fh->vb_vbiq);
kfree(fh);
dev->users--;
- wake_up_interruptible_nr(&dev->open, 1);
return 0;
}
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index a3f77f6..8757523 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -570,7 +570,6 @@
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;