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
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -540,7 +540,8 @@
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 @@
} else { /* bulk */
urb->pipe = usb_rcvbulkpipe(gspca_dev->dev,
ep->desc.bEndpointAddress),
+ urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
urb->complete = bulk_irq;
}
}