From: Souptick Joarder <jrdr.linux@gmail.com>
Date: Tue, 29 Nov 2016 20:58:58 +0000 (+0530)
Subject: dmaengine: zx296702_dma: Use dma_pool_zalloc
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c2e60fc702db68029e32c1fe00a9683dcb29316b;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

dmaengine: zx296702_dma: 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/zx296702_dma.c b/drivers/dma/zx296702_dma.c
index 245d759d5ffc..380276d078b2 100644
--- a/drivers/dma/zx296702_dma.c
+++ b/drivers/dma/zx296702_dma.c
@@ -435,13 +435,12 @@ static struct zx_dma_desc_sw *zx_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 zx_desc_hw) * num);
 	ds->desc_num = num;
 	return ds;
 }