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authorDevin Heitmueller <dheitmueller@linuxtv.org>2009-03-22 23:42:26 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-03-30 12:43:32 -0300
commitfadadb7d7ad1d6c09863fcf24f83e59f596201ed (patch)
tree6a828ab8d9309fa23d5eb1b7aabf181072a3b3e5 /drivers/media
parent9a4f8201a5d241dd725c1e1c796d826e49dcd396 (diff)
V4L/DVB (11142): au0828: fix oops on ARM platform when allocating transfer buffers
Add missing URB_NO_TRANSFER_DMA_MAP flag, since the use of consistent memory is not permitted for DMA on the ARM platform. Thanks to Paul Thomas <pthomas8589@gmail.com> for providing sample ARM hardware that was experiencing the oops (tested on the at91rm9200 based LinuxStamp). Thanks to David Brownell <david-b@pacbell.net> for providing insight into the ARM memory architecture. Signed-off-by: Devin Heitmueller <dheitmueller@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/au0828/au0828-video.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/au0828/au0828-video.c b/drivers/media/video/au0828/au0828-video.c
index d3a388af46e..f7ad4958b94 100644
--- a/drivers/media/video/au0828/au0828-video.c
+++ b/drivers/media/video/au0828/au0828-video.c
@@ -267,7 +267,7 @@ int au0828_init_isoc(struct au0828_dev *dev, int max_packets,
au0828_irq_callback, dma_q, 1);
urb->number_of_packets = max_packets;
- urb->transfer_flags = URB_ISO_ASAP;
+ urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
k = 0;
for (j = 0; j < max_packets; j++) {