Commit 9603a7ab authored by Fuqian Huang's avatar Fuqian Huang Committed by Vinod Koul
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dmaengine: imx-sdma: Remove call to memset after dma_alloc_coherent 



In commit 518a2f19
("dma-mapping: zero memory returned from dma_alloc_*"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: default avatarFuqian Huang <huangfq.daxian@gmail.com>
Link: https://lore.kernel.org/r/20190715031716.6328-1-huangfq.daxian@gmail.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent e17be6e1

drivers/dma/imx-sdma.c

+0 −4
Original line number Diff line number Diff line
@@ -1886,10 +1886,6 @@ static int sdma_init(struct sdma_engine *sdma) 
	sdma->context_phys = ccb_phys +

		MAX_DMA_CHANNELS * sizeof (struct sdma_channel_control);



	/* Zero-out the CCB structures array just allocated */

	memset(sdma->channel_control, 0,

			MAX_DMA_CHANNELS * sizeof (struct sdma_channel_control));



	/* disable all channels */

	for (i = 0; i < sdma->drvdata->num_events; i++)

		writel_relaxed(0, sdma->regs + chnenbl_ofs(sdma, i));