[PATCH] arch/sh/mm/consistent.c: Use dma_zalloc_coherent

From: Sabyasachi Gupta
Date: Sun Oct 28 2018 - 02:59:07 EST


Replaced dma_alloc_coherent + memset with dma_zalloc_coherant

Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@xxxxxxxxx>
---
arch/sh/mm/consistent.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index 792f361..fc8d235 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -52,13 +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;
--
2.7.4