* [PATCH v2 23/27] video: fbdev: remove unneeded memset after dma_alloc_coherent
@ 2019-06-28 2:50 Fuqian Huang
0 siblings, 0 replies; only message in thread
From: Fuqian Huang @ 2019-06-28 2:50 UTC (permalink / raw)
Cc: Fuqian Huang, Bartlomiej Zolnierkiewicz, Greg Kroah-Hartman,
Thomas Gleixner, Allison Randal, Jilayne Lovejoy, dri-devel,
linux-fbdev, linux-kernel
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/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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2019-06-28 2:50 [PATCH v2 23/27] video: fbdev: remove unneeded memset after dma_alloc_coherent Fuqian Huang
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