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, 2 insertions, 3 deletions

diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index 6383abbecce6..7805996661b8 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -477,8 +477,7 @@ static int td_alloc_chan_resources(struct dma_chan *chan)
         }
 
         spin_lock_bh(&td_chan->lock);
-        chan->completed_cookie = 1;
-        chan->cookie = 1;
+        dma_cookie_init(chan);
         spin_unlock_bh(&td_chan->lock);
 
         return 0;
@@ -755,7 +754,7 @@ static int __devinit td_probe(struct platform_device *pdev)
                 }
 
                 td_chan->chan.device = &td->dma;
-                td_chan->chan.cookie = 1;
+                dma_cookie_init(&td_chan->chan);
                 spin_lock_init(&td_chan->lock);
                 INIT_LIST_HEAD(&td_chan->active_list);
                 INIT_LIST_HEAD(&td_chan->queue);