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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>
This commit is contained in:
Frank Zago 2008-09-28 07:43:00 -03:00 committed by Mauro Carvalho Chehab
parent 219423c147
commit 6c49da7f16
1 changed files with 3 additions and 1 deletions
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4
drivers/media/video/gspca/gspca.c
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@ -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;
}
}