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[media] ARM mx3_camera: check for DMA engine type

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We have two dma engines in MX3 systems: The IPU and the SDMA
engine. We have to check if we got a channel from the correct
engine before proceeding with a channel.

Signed-off-by: Sascha Hauer <[email protected]>
Cc: Guennadi Liakhovetski <[email protected]>
Signed-off-by: Guennadi Liakhovetski <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Sascha Hauer 2010-11-05 06:26:03 -03:00 • committed by Mauro Carvalho Chehab
commit a8de663579
1 changed files with 4 additions and 0 deletions
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4
drivers/media/video/mx3_camera.c
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@ -27,6 +27,7 @@
#include <mach/ipu.h>
#include <mach/mx3_camera.h>
#include <mach/dma.h>
#define MX3_CAM_DRV_NAME "mx3-camera"
@ -638,6 +639,9 @@ static bool chan_filter(struct dma_chan *chan, void *arg)
struct dma_chan_request *rq = arg;
struct mx3_camera_pdata *pdata;
if (!imx_dma_is_ipu(chan))
return false;
if (!rq)
return false;