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| author |   Fuqian Huang <huangfq.daxian@gmail.com> | 2019-07-15 11:17:16 +0800 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2019-08-08 17:51:43 +0530 |
| commit | 9603a7ab60989f586786f082a8b1e3bf6fbcc749 (patch) | |
| tree | 76a372b6201c985ad2b077e85027ec01c9e8aa9e /drivers/dma | |
| parent | dmaengine: Remove dev_err() usage after platform_get_irq() (diff) | |
| download | linux-dev-9603a7ab60989f586786f082a8b1e3bf6fbcc749.tar.xz linux-dev-9603a7ab60989f586786f082a8b1e3bf6fbcc749.zip | |
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.c | 4 |
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)); |