From: Fuqian Huang Date: Mon, 15 Jul 2019 03:17:16 +0000 (+0800) Subject: dmaengine: imx-sdma: Remove call to memset after dma_alloc_coherent X-Git-Tag: v5.4-rc1~143^2~35 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9603a7ab60989f586786f082a8b1e3bf6fbcc749;p=linux.git dmaengine: imx-sdma: Remove call to memset after dma_alloc_coherent In commit 518a2f1925c3 ("dma-mapping: zero memory returned from dma_alloc_*"), dma_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang Link: https://lore.kernel.org/r/20190715031716.6328-1-huangfq.daxian@gmail.com Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index a01f4b5d793c..9ba74ab7e912 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -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));