dmaengine: provide a common function for completing a dma descriptor
Provide a common function to do the cookie mechanics for completing
a DMA descriptor.
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>
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 5c06117..b0517c8 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -600,8 +600,7 @@
*/
dump_desc_dbg(ioat, desc);
if (tx->cookie) {
- chan->common.completed_cookie = tx->cookie;
- tx->cookie = 0;
+ dma_cookie_complete(tx);
ioat_dma_unmap(chan, tx->flags, desc->len, desc->hw);
ioat->active -= desc->hw->tx_cnt;
if (tx->callback) {