From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fuqian Huang Date: Thu, 27 Jun 2019 17:41:09 +0000 Subject: [PATCH 45/87] fbdev: mmp: remove memset after dma_alloc_coherent in mmpfb.c Message-Id: <20190627174110.4345-1-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 , Kate Stewart , Jilayne Lovejoy , Allison Randal , Thomas Gleixner , 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