From: Souptick Joarder <jrdr.linux@gmail.com>
Date: Tue, 29 Nov 2016 21:00:37 +0000 (+0530)
Subject: dmaengine: at_xdmac: Use dma_pool_zalloc
X-Git-Tag: v4.10-rc1~108^2~26
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9dcd74089a1ecf73ea4a355ee097b5b218ccf3dc;p=platform%2Fkernel%2Flinux-exynos.git

dmaengine: at_xdmac: Use dma_pool_zalloc

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>
---

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index b7d7f2d..40287ff 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -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;