* [PATCH 31/87] media: exynos4-is: remove memset after dma_alloc_coherent in fimc-is.c
@ 2019-06-27 17:38 Fuqian Huang
0 siblings, 0 replies; only message in thread
From: Fuqian Huang @ 2019-06-27 17:38 UTC (permalink / raw)
Cc: linux-samsung-soc, linux-kernel, Krzysztof Kozlowski,
Kyungmin Park, Kukjin Kim, Sylwester Nawrocki, Fuqian Huang,
Mauro Carvalho Chehab, linux-arm-kernel, linux-media
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>
---
drivers/media/platform/exynos4-is/fimc-is.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c
index e043d55133a3..77633e356305 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -341,7 +341,6 @@ static int fimc_is_alloc_cpu_memory(struct fimc_is *is)
return -ENOMEM;
is->memory.size = FIMC_IS_CPU_MEM_SIZE;
- memset(is->memory.vaddr, 0, is->memory.size);
dev_info(dev, "FIMC-IS CPU memory base: %#x\n", (u32)is->memory.paddr);
--
2.11.0
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