dmaengine: consolidate initialization of cookies

Provide a common function to initialize a channels cookie values.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
[imx-sdma.c & mxs-dma.c]
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index 138271591ae9..2ab0a3d0eed5 100644
--- a/drivers/dma/mpc512x_dma.c
+++ b/drivers/dma/mpc512x_dma.c
@@ -733,8 +733,7 @@ static int __devinit mpc_dma_probe(struct platform_device *op)
                 mchan = &mdma->channels[i];
 
                 mchan->chan.device = dma;
-                mchan->chan.cookie = 1;
-                mchan->chan.completed_cookie = mchan->chan.cookie;
+                dma_cookie_init(&mchan->chan);
 
                 INIT_LIST_HEAD(&mchan->free);
                 INIT_LIST_HEAD(&mchan->prepared);