Commit 87c56dcb authored by Arvind Yadav's avatar Arvind Yadav Committed by Vinod Koul
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dmaengine: at_xdmac: Handle return value of clk_prepare_enable. 



clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: default avatarArvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: default avatarLudovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 1edc85dc

drivers/dma/at_xdmac.c

+4 −1
Original line number Diff line number Diff line
@@ -1883,8 +1883,11 @@ static int atmel_xdmac_resume(struct device *dev) 
	struct at_xdmac_chan	*atchan;

	struct dma_chan		*chan, *_chan;

	int			i;

	int ret;



	clk_prepare_enable(atxdmac->clk);

	ret = clk_prepare_enable(atxdmac->clk);

	if (ret)

		return ret;



	/* Clear pending interrupts. */

	for (i = 0; i < atxdmac->dma.chancnt; i++) {