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 (file)
--- 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;