From: Frank Zago <frank@zago.net>
Date: Sun, 28 Sep 2008 10:43:00 +0000 (-0300)
Subject: V4L/DVB (9085): gspca: URB_NO_TRANSFER_DMA_MAP is required for isoc and bulk transfers.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6c49da7f169c25eb39b80ff168f5bdbacf8457e1;p=linux-beck.git

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 06e501598140..3f0fd44f19ab 100644
--- 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;
 		}
 	}