commit 0ff4e419dc6a409a60dc492fbbc58288af78bed7
author Laurent Pinchart <laurent.pinchart@ideasonboard.com> Sat Feb 21 17:59:54 2015 -0300
committer Mauro Carvalho Chehab <mchehab@osg.samsung.com> Thu Apr 02 16:37:13 2015 -0300
tree 2342367556443c50abef812288443c56142ca378
parent 32346b9cc01566126034f47afd94ff8a39238d3a

[media] media: omap3isp: hist: Move histogram DMA to DMA engine

Replace the custom OMAP DMA API usage by DMA engine. Feature-wise the
driver has lost the ability to get notified of DMA transfers failure
through the completion handler, as the DMA engine API doesn't expose
that status information.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/omap3isp/ispstat.c

diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c
index a94e834..20434e8 100644
--- a/drivers/media/platform/omap3isp/ispstat.c
+++ b/drivers/media/platform/omap3isp/ispstat.c
@@ -21,7 +21,7 @@
 
 #include "isp.h"
 
-#define ISP_STAT_USES_DMAENGINE(stat)	((stat)->dma_ch >= 0)
+#define ISP_STAT_USES_DMAENGINE(stat)	((stat)->dma_ch != NULL)
 
 /*
  * MAGIC_SIZE must always be the greatest common divisor of