Messages in this thread Patch in this message | | | From | Fuqian Huang <> | Subject | [PATCH v2 01/27] sh: mm: Remove call to memset after dma_alloc_coherent | Date | Fri, 28 Jun 2019 10:45:48 +0800 |
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In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dma_alloc_coherent has already zeroed the memory. So memset is not needed.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com> --- arch/sh/mm/consistent.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 792f36129062..b09510adfae9 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -58,8 +58,6 @@ 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; -- 2.11.0
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