diff mbox

[-next,02/26] sh: Use dma_zalloc_coherent

Message ID a2cbba7f6f113ab867a42069ada3d30faeb5e12a.1402863905.git.joe@perches.com (mailing list archive)
State Awaiting Upstream
Headers show

Commit Message

Joe Perches June 15, 2014, 8:37 p.m. UTC 
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <joe@perches.com>
---
 arch/sh/mm/consistent.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff mbox

Patch

diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index b81d9db..3d710da 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -143,14 +143,12 @@  int __init platform_resource_setup_memory(struct platform_device *pdev,
 	if (!memsize)
 		return 0;
 
-	buf = dma_alloc_coherent(NULL, memsize, &dma_handle, GFP_KERNEL);
+	buf = dma_zalloc_coherent(NULL, 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;