[PATCH v3 23/27] video: fbdev: remove unneeded memset after dma_alloc_coherent

From: Fuqian Huang
Date: Tue Jul 02 2019 - 03:59:48 EST


In commit 518a2f1925c3
("dma-mapping: zero memory returned from dma_alloc_*"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx>
---
Changes in v3:
- Use actual commit rather than the merge commit in the commit message

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