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authorFuqian Huang <huangfq.daxian@gmail.com>2019-07-15 11:17:16 +0800
committerVinod Koul <vkoul@kernel.org>2019-08-08 17:51:43 +0530
commit9603a7ab60989f586786f082a8b1e3bf6fbcc749 (patch)
tree76a372b6201c985ad2b077e85027ec01c9e8aa9e /drivers/dma
parente17be6e1b713f188728a23ebfba15546a025c109 (diff)
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 <huangfq.daxian@gmail.com> Link: https://lore.kernel.org/r/20190715031716.6328-1-huangfq.daxian@gmail.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/imx-sdma.c4
1 files changed, 0 insertions, 4 deletions
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));