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, 2 deletions

diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 33bde5da850d..cb173bbdcfdf 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -1021,7 +1021,7 @@ static int dwc_alloc_chan_resources(struct dma_chan *chan)
                 return -EIO;
         }
 
-        chan->completed_cookie = chan->cookie = 1;
+        dma_cookie_init(chan);
 
         /*
          * NOTE: some controllers may have additional features that we
@@ -1449,7 +1449,7 @@ static int __init dw_probe(struct platform_device *pdev)
                 struct dw_dma_chan      *dwc = &dw->chan[i];
 
                 dwc->chan.device = &dw->dma;
-                dwc->chan.cookie = dwc->chan.completed_cookie = 1;
+                dma_cookie_init(&dwc->chan);
                 if (pdata->chan_allocation_order == CHAN_ALLOCATION_ASCENDING)
                         list_add_tail(&dwc->chan.device_node,
                                         &dw->dma.channels);