From: Davidlohr Bueso Date: Mon, 9 Jan 2017 15:41:34 +0000 (-0200) Subject: [media] media/usbvision: remove ctrl_urb_wq X-Git-Tag: v4.14-rc1~332^2~781 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3f7060887294339eaa60e3399cf7ff4d36620395;p=platform%2Fkernel%2Flinux-rpi.git [media] media/usbvision: remove ctrl_urb_wq While the wakeup path seems to be set up, this waitqueue is actually never used as no-one enqueues themselves on the list. As such, wakeups are meaningless without waiters, so lets just get rid of the whole thing. Signed-off-by: Davidlohr Bueso Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/usb/usbvision/usbvision-core.c b/drivers/media/usb/usbvision/usbvision-core.c index 0af7130..3f87fbc 100644 --- a/drivers/media/usb/usbvision/usbvision-core.c +++ b/drivers/media/usb/usbvision/usbvision-core.c @@ -1413,8 +1413,6 @@ static void usbvision_ctrl_urb_complete(struct urb *urb) PDEBUG(DBG_IRQ, ""); usbvision->ctrl_urb_busy = 0; - if (waitqueue_active(&usbvision->ctrl_urb_wq)) - wake_up_interruptible(&usbvision->ctrl_urb_wq); } diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index b88fed3..f5c635a 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -1336,7 +1336,6 @@ static struct usb_usbvision *usbvision_alloc(struct usb_device *dev, usbvision->ctrl_urb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL); if (usbvision->ctrl_urb == NULL) goto err_unreg; - init_waitqueue_head(&usbvision->ctrl_urb_wq); return usbvision; diff --git a/drivers/media/usb/usbvision/usbvision.h b/drivers/media/usb/usbvision/usbvision.h index 56a28d6..6ecdcd5 100644 --- a/drivers/media/usb/usbvision/usbvision.h +++ b/drivers/media/usb/usbvision/usbvision.h @@ -366,7 +366,6 @@ struct usb_usbvision { unsigned char ctrl_urb_buffer[8]; int ctrl_urb_busy; struct usb_ctrlrequest ctrl_urb_setup; - wait_queue_head_t ctrl_urb_wq; /* Processes waiting */ /* configuration part */ int have_tuner;