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Commit 8a965911 authored by Shawn Guo's avatar Shawn Guo Committed by Sascha Hauer
Browse files

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: default avatarShawn Guo <shawn.guo@freescale.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 4b2ce9dd

drivers/dma/imx-sdma.c

+1 −3
Original line number Diff line number Diff line
@@ -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)