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dmaengine: k3dma: move to dma_pool_zalloc 

Replace dma_pool_alloc & memset with dma_pool_zalloc.

Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Vinod Koul 2016-12-07 09:36:22 +05:30
parent 12154c8737
commit 646b3b569e
1 changed files with 1 additions and 2 deletions
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3
drivers/dma/k3dma.c
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@ -458,13 +458,12 @@ static struct k3_dma_desc_sw *k3_dma_alloc_desc_resource(int num,
if (!ds)
return NULL;
ds->desc_hw = dma_pool_alloc(d->pool, GFP_NOWAIT, &ds->desc_hw_lli);
ds->desc_hw = dma_pool_zalloc(d->pool, GFP_NOWAIT, &ds->desc_hw_lli);
if (!ds->desc_hw) {
dev_dbg(chan->device->dev, "vch %p: dma alloc fail\n", &c->vc);
kfree(ds);
return NULL;
}
memset(ds->desc_hw, 0, sizeof(struct k3_desc_hw) * num);
ds->desc_num = num;
return ds;
}