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dmaengine: vdma: Use dma_pool_zalloc

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dma_pool_zalloc combines dma_pool_alloc and memset 0
this patch updates the driver to use dma_pool_zalloc.

Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Kedareswara rao Appana 2016-05-18 13:17:31 +05:30 committed by Vinod Koul
parent 92d794dfb6
commit 6214786651
1 changed files with 2 additions and 4 deletions
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6
drivers/dma/xilinx/xilinx_vdma.c
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@ -498,11 +498,10 @@ xilinx_cdma_alloc_tx_segment(struct xilinx_dma_chan *chan)
struct xilinx_cdma_tx_segment *segment;
dma_addr_t phys;
segment = dma_pool_alloc(chan->desc_pool, GFP_ATOMIC, &phys);
segment = dma_pool_zalloc(chan->desc_pool, GFP_ATOMIC, &phys);
if (!segment)
return NULL;
memset(segment, 0, sizeof(*segment));
segment->phys = phys;
return segment;
@ -520,11 +519,10 @@ xilinx_axidma_alloc_tx_segment(struct xilinx_dma_chan *chan)
struct xilinx_axidma_tx_segment *segment;
dma_addr_t phys;
segment = dma_pool_alloc(chan->desc_pool, GFP_ATOMIC, &phys);
segment = dma_pool_zalloc(chan->desc_pool, GFP_ATOMIC, &phys);
if (!segment)
return NULL;
memset(segment, 0, sizeof(*segment));
segment->phys = phys;
return segment;