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Subject[PATCH] arch: sh: Replace dma_alloc_coherent/memset with dma_zalloc_coherent
Date
use dma_zalloc_coherent instead of dma_alloc_coherent/memset

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
---
arch/sh/mm/consistent.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index 792f361..aa4e450 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -52,14 +52,12 @@ int __init platform_resource_setup_memory(struct platform_device *pdev,
if (!memsize)
return 0;

- buf = dma_alloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL);
+ buf = dma_zalloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL);
if (!buf) {
pr_warning("%s: unable to allocate memory\n", name);
return -ENOMEM;
}

- memset(buf, 0, memsize);
-
r->flags = IORESOURCE_MEM;
r->start = dma_handle;
r->end = r->start + memsize - 1;
--
1.9.1


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