From: Chen Zhou <chenzhou10@huawei.com>
Date: Thu, 2 Jan 2020 01:54:30 +0000 (+0800)
Subject: sh: remove call to memset after dma_alloc_coherent
X-Git-Tag: v5.10.7~1815^2~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2202d81b098ef776153c6b40c5404d486042a3ed;p=platform%2Fkernel%2Flinux-rpi.git

sh: remove call to memset after dma_alloc_coherent

Function dma_alloc_coherent use in buf already zeroes out memory,
so memset is not needed.

Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Rich Felker <dalias@libc.org>
---

diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index 3169a34..0de206c 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -57,8 +57,6 @@ int __init platform_resource_setup_memory(struct platform_device *pdev,
 		return -ENOMEM;
 	}
 
-	memset(buf, 0, memsize);
-
 	r->flags = IORESOURCE_MEM;
 	r->start = dma_handle;
 	r->end = r->start + memsize - 1;