提交 8a965911 编写于 作者: S Shawn Guo 提交者: Sascha Hauer

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: NShawn Guo <shawn.guo@freescale.com>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
上级 4b2ce9dd
......@@ -1061,14 +1061,12 @@ static enum dma_status sdma_tx_status(struct dma_chan *chan,
{
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)
......
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