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Commit a90e56e5 authored by Peter Griffin's avatar Peter Griffin Committed by Vinod Koul
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dmaengine: ste_dma40: Only calculate residue if txstate exists. 



There is no point calculating the residue if there is
no txstate to store the value.

Signed-off-by: default avatarPeter Griffin <peter.griffin@linaro.org>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent e841b80f

drivers/dma/ste_dma40.c

+1 −1
Original line number Diff line number Diff line
@@ -2588,7 +2588,7 @@ static enum dma_status d40_tx_status(struct dma_chan *chan, 
	}



	ret = dma_cookie_status(chan, cookie, txstate);

	if (ret != DMA_COMPLETE)

	if (ret != DMA_COMPLETE && txstate)

		dma_set_residue(txstate, stedma40_residue(chan));



	if (d40_is_paused(d40c))