V4L/DVB (9085): gspca: URB_NO_TRANSFER_DMA_MAP is required for isoc and bulk transfers.

Signed-off-by: Frank Zago <frank@zago.net>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 06e5015..3f0fd44 100644 (file)
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -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;
                }
        }