dmaengine: imx-sdma: return sdmac->status in sdma_tx_status()
The sdmac->status was designed to reflect the status of the tx,
so simply return it in sdma_tx_status(). Then dma client can call
dma_async_is_tx_complete() to know the status of the tx.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 6fc04d8..f331ae0 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1061,14 +1061,12 @@
{
struct sdma_channel *sdmac = to_sdma_chan(chan);
dma_cookie_t last_used;
- enum dma_status ret;
last_used = chan->cookie;
- ret = dma_async_is_complete(cookie, sdmac->last_completed, last_used);
dma_set_tx_state(txstate, sdmac->last_completed, last_used, 0);
- return ret;
+ return sdmac->status;
}
static void sdma_issue_pending(struct dma_chan *chan)