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authorFrank Zago <frank@zago.net>2008-09-28 07:43:00 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:37:12 -0200
commit6c49da7f169c25eb39b80ff168f5bdbacf8457e1 (patch)
tree48b3276d0a4e9ae9469f8d32331bfa5e4cdfa476 /drivers/media/video/gspca
parent219423c147f6d4bc91ec904debfbc556887bd8fe (diff)
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>
Diffstat (limited to 'drivers/media/video/gspca')
-rw-r--r--drivers/media/video/gspca/gspca.c4
1 files changed, 3 insertions, 1 deletions
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;
}
}