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, 4 deletions

diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index bff9250a59ce..1880274b0850 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1504,8 +1504,7 @@ static int idmac_alloc_chan_resources(struct dma_chan *chan)
         BUG_ON(chan->client_count > 1);
         WARN_ON(ichan->status != IPU_CHANNEL_FREE);
 
-        chan->cookie            = 1;
-        chan->completed_cookie  = -ENXIO;
+        dma_cookie_init(chan);
 
         ret = ipu_irq_map(chan->chan_id);
         if (ret < 0)
@@ -1633,8 +1632,7 @@ static int __init ipu_idmac_init(struct ipu *ipu)
                 snprintf(ichan->eof_name, sizeof(ichan->eof_name), "IDMAC EOF %d", i);
 
                 dma_chan->device        = &idmac->dma;
-                dma_chan->cookie        = 1;
-                dma_chan->completed_cookie      = -ENXIO;
+                dma_cookie_init(dma_chan);
                 dma_chan->chan_id       = i;
                 list_add_tail(&dma_chan->device_node, &dma->channels);
         }