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[PATCH v2 23/27] video: fbdev: remove unneeded memset after dma_alloc_coherent

From: Fuqian Huang <hidden>
Date: 2019-06-28 02:50:30
Also in: dri-devel, lkml
Subsystem: framebuffer layer, the rest · Maintainers: Helge Deller, Linus Torvalds

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 <redacted>
---
 drivers/video/fbdev/mmp/fb/mmpfb.c | 1 -
 1 file changed, 1 deletion(-)
diff --git a/drivers/video/fbdev/mmp/fb/mmpfb.c b/drivers/video/fbdev/mmp/fb/mmpfb.c
index e5b56f2199df..47bc7c59bbd8 100644
--- a/drivers/video/fbdev/mmp/fb/mmpfb.c
+++ b/drivers/video/fbdev/mmp/fb/mmpfb.c
@@ -612,7 +612,6 @@ static int mmpfb_probe(struct platform_device *pdev)
 		ret = -ENOMEM;
 		goto failed_destroy_mutex;
 	}
-	memset(fbi->fb_start, 0, fbi->fb_size);
 	dev_info(fbi->dev, "fb %dk allocated\n", fbi->fb_size/1024);
 
 	/* fb power on */
-- 
2.11.0
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