dmaengine: at_xdmac: Use dma_pool_zalloc
authorSouptick Joarder <jrdr.linux@gmail.com>
Tue, 29 Nov 2016 21:00:37 +0000 (02:30 +0530)
committerVinod Koul <vinod.koul@intel.com>
Wed, 30 Nov 2016 03:20:46 +0000 (08:50 +0530)
We should use dma_pool_zalloc instead of dma_pool_alloc/memset.

Signed-off-by: Souptick joarder <jrdr.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/at_xdmac.c

index b7d7f2d..40287ff 100644 (file)
@@ -444,9 +444,8 @@ static struct at_xdmac_desc *at_xdmac_alloc_desc(struct dma_chan *chan,
        struct at_xdmac         *atxdmac = to_at_xdmac(chan->device);
        dma_addr_t              phys;
 
-       desc = dma_pool_alloc(atxdmac->at_xdmac_desc_pool, gfp_flags, &phys);
+       desc = dma_pool_zalloc(atxdmac->at_xdmac_desc_pool, gfp_flags, &phys);
        if (desc) {
-               memset(desc, 0, sizeof(*desc));
                INIT_LIST_HEAD(&desc->descs_list);
                dma_async_tx_descriptor_init(&desc->tx_dma_desc, chan);
                desc->tx_dma_desc.tx_submit = at_xdmac_tx_submit;