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/pch_dma.c b/drivers/dma/pch_dma.c
index c30f63ee32c5..c93bb0459972 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -531,7 +531,7 @@ static int pd_alloc_chan_resources(struct dma_chan *chan)
         spin_lock_irq(&pd_chan->lock);
         list_splice(&tmp_list, &pd_chan->free_list);
         pd_chan->descs_allocated = i;
-        chan->completed_cookie = chan->cookie = 1;
+        dma_cookie_init(chan);
         spin_unlock_irq(&pd_chan->lock);
 
         pdc_enable_irq(chan, 1);
@@ -912,7 +912,7 @@ static int __devinit pch_dma_probe(struct pci_dev *pdev,
                 struct pch_dma_chan *pd_chan = &pd->channels[i];
 
                 pd_chan->chan.device = &pd->dma;
-                pd_chan->chan.cookie = 1;
+                dma_cookie_init(&pd_chan->chan);
 
                 pd_chan->membase = &regs->desc[i];