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Commit 6c49da7f authored by Frank Zago's avatar Frank Zago Committed by Mauro Carvalho Chehab
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V4L/DVB (9085): gspca: URB_NO_TRANSFER_DMA_MAP is required for isoc and bulk transfers. 



Signed-off-by: default avatarFrank Zago <frank@zago.net>
Signed-off-by: default avatarJean-Francois Moine <moinejf@free.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 219423c1

drivers/media/video/gspca/gspca.c

+3 −1
Original line number Diff line number Diff line
@@ -540,7 +540,8 @@ static int create_urbs(struct gspca_dev *gspca_dev, 
		if (npkt != 0) {		/* ISOC */

			urb->pipe = usb_rcvisocpipe(gspca_dev->dev,

						    ep->desc.bEndpointAddress);

			urb->transfer_flags = URB_ISO_ASAP;

			urb->transfer_flags = URB_ISO_ASAP

					| URB_NO_TRANSFER_DMA_MAP;

			urb->interval = ep->desc.bInterval;

			urb->complete = isoc_irq;

			urb->number_of_packets = npkt;
@@ -551,6 +552,7 @@ static int create_urbs(struct gspca_dev *gspca_dev, 
		} else {		/* bulk */

			urb->pipe = usb_rcvbulkpipe(gspca_dev->dev,

						ep->desc.bEndpointAddress),

			urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;

			urb->complete = bulk_irq;

		}

	}