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dmaengine: at_hdmac: move to dma_pool_zalloc 

Replace dma_pool_alloc & memset with dma_pool_zalloc.

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 d3f8dc4202
commit 12154c8737
1 changed files with 1 additions and 2 deletions
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3
drivers/dma/at_hdmac.c
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@ -111,9 +111,8 @@ static struct at_desc *atc_alloc_descriptor(struct dma_chan *chan,
struct at_dma *atdma = to_at_dma(chan->device);
dma_addr_t phys;
desc = dma_pool_alloc(atdma->dma_desc_pool, gfp_flags, &phys);
desc = dma_pool_zalloc(atdma->dma_desc_pool, gfp_flags, &phys);
if (desc) {
memset(desc, 0, sizeof(struct at_desc));
INIT_LIST_HEAD(&desc->tx_list);
dma_async_tx_descriptor_init(&desc->txd, chan);
/* txd.flags will be overwritten in prep functions */