From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fuqian Huang Date: Fri, 28 Jun 2019 02:50:17 +0000 Subject: [PATCH v2 23/27] video: fbdev: remove unneeded memset after dma_alloc_coherent Message-Id: <20190628025019.16026-1-huangfq.daxian@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Fuqian Huang , Bartlomiej Zolnierkiewicz , Greg Kroah-Hartman , Thomas Gleixner , Allison Randal , Jilayne Lovejoy , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org 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 --- 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