dmaengine: move last completed cookie into generic dma_chan structure
Every DMA engine implementation declares a last completed dma cookie
in their private dma channel structures. This is pointless, and
forces driver specific code. Move this out into the common dma_chan
structure.
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/mv_xor.c b/drivers/dma/mv_xor.c
index ad7d03f..c6a84dac 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -435,7 +435,7 @@
}
if (cookie > 0)
- mv_chan->completed_cookie = cookie;
+ mv_chan->common.completed_cookie = cookie;
}
static void
@@ -825,7 +825,7 @@
enum dma_status ret;
last_used = chan->cookie;
- last_complete = mv_chan->completed_cookie;
+ last_complete = chan->completed_cookie;
dma_set_tx_state(txstate, last_complete, last_used, 0);
ret = dma_async_is_complete(cookie, last_complete, last_used);
@@ -836,7 +836,7 @@
mv_xor_slot_cleanup(mv_chan);
last_used = chan->cookie;
- last_complete = mv_chan->completed_cookie;
+ last_complete = chan->completed_cookie;
dma_set_tx_state(txstate, last_complete, last_used, 0);
return dma_async_is_complete(cookie, last_complete, last_used);