V4L/DVB (6812): media: video: usbvision: remove ctrlUrbLock
The ctrlUrbLock has all it's users commented out, and so it's unused. This
patch removes it.
Signed-off-by: Daniel Walker <dwalker@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c
index 2038d40..9e404b8 100644
--- a/drivers/media/video/usbvision/usbvision-core.c
+++ b/drivers/media/video/usbvision/usbvision-core.c
@@ -1561,13 +1561,10 @@
if (len > 8) {
return -EFAULT;
}
-// down(&usbvision->ctrlUrbLock);
if (usbvision->ctrlUrbBusy) {
-// up(&usbvision->ctrlUrbLock);
return -EBUSY;
}
usbvision->ctrlUrbBusy = 1;
-// up(&usbvision->ctrlUrbLock);
usbvision->ctrlUrbSetup.bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT;
usbvision->ctrlUrbSetup.bRequest = USBVISION_OP_CODE;
diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c
index 92e7291..b52b826 100644
--- a/drivers/media/video/usbvision/usbvision-video.c
+++ b/drivers/media/video/usbvision/usbvision-video.c
@@ -1651,7 +1651,6 @@
goto err_exit;
}
init_waitqueue_head(&usbvision->ctrlUrb_wq);
- init_MUTEX(&usbvision->ctrlUrbLock); /* to 1 == available */
usbvision_init_powerOffTimer(usbvision);
diff --git a/drivers/media/video/usbvision/usbvision.h b/drivers/media/video/usbvision/usbvision.h
index dd80a98..20d7ec6 100644
--- a/drivers/media/video/usbvision/usbvision.h
+++ b/drivers/media/video/usbvision/usbvision.h
@@ -370,7 +370,6 @@
int ctrlUrbBusy;
struct usb_ctrlrequest ctrlUrbSetup;
wait_queue_head_t ctrlUrb_wq; // Processes waiting
- struct semaphore ctrlUrbLock;
/* configuration part */
int have_tuner;