From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fuqian Huang Date: Mon, 15 Jul 2019 03:20:17 +0000 Subject: [PATCH v3 24/24] video: fbdev-MMP: Remove call to memset after dma_alloc_coherent Message-Id: <20190715032017.7311-1-huangfq.daxian@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Bartlomiej Zolnierkiewicz , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Fuqian Huang 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 --- 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