From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9AE7CC76188 for ; Mon, 15 Jul 2019 03:19:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6E68D20C01 for ; Mon, 15 Jul 2019 03:19:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="oFnD7fwF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729280AbfGODS7 (ORCPT ); Sun, 14 Jul 2019 23:18:59 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:45761 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727006AbfGODS6 (ORCPT ); Sun, 14 Jul 2019 23:18:58 -0400 Received: by mail-pf1-f195.google.com with SMTP id r1so6715435pfq.12; Sun, 14 Jul 2019 20:18:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=1UsNuU488bAaTj0JaLnojkSixQzmMg2zbCbBzMy0HWw=; b=oFnD7fwF5cyg4cvqJ7TqdFhRAWPdTc49K7YANgPbnWatdlA3Gl4VvwGJhu+olffQAg hR1eOySY2bND8nyvHT1JNUlY8n+gM986kC5KEl7wXtomxPfOTAZb95mxOT6XdU/RI1BR s1RMmHD3jvfy9ROmTY78VfeImpAeNmcdYQXv8wongDc6w4t7tf4nyLAfAtEcER7CPHEn PkCVuICpM5E0D2dXNH0UXhiiL0vlGduXdC9HbJK7kZfupSR7xlrihLbWz2TQmw6J7ibq k2BaAiqHKv50H0lyI2AEwvjyrJ2hxniHZbx18GL33ugmH95DYiSUdjTDS1bLUVANKPa3 ma3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=1UsNuU488bAaTj0JaLnojkSixQzmMg2zbCbBzMy0HWw=; b=PuByujQLcydKFRhjD8a0Txgc8R6INzH9MwPuKs/+x2TbF+RsckXdGWv/uHHMJz7WLU 4LfV+M14nkAA8UbTLik22kzjJFPqJQmGIUA3GzOjEVBVZJiFQ3apocGjI5VSPBym0+7h GBuQrv0IWymmgoS27m6807FWYkUyroRjs4zBXw/GoToexBWg+MBXDxPvQUSgs9PYZ4yw F7IHxbDZtsDke4bnXFhyelIc2UiV3h69ZWoUxBFcP8y07uQWukh5sdAn96YoAAPDdhuK BApHL1X+XW0+4HkugEgEtmQwZ8kjOMbDrQGmvFfeeFTwJTasHkL9F3sFJz7iLwmQxzpz HCrg== X-Gm-Message-State: APjAAAUziqfXEFYgt2NCPog9IUfUzki8HwXqghnrQ06Sx8LIbH4a2p1d axSWKfvpETU8uzlHLgSHmio= X-Google-Smtp-Source: APXvYqxdGGfZzS2r8XUhIoyjjIamvtltkvX9H3ARnR8MQSfG3WcpmiOIKoWbP95GlNFhqEhr6orhiA== X-Received: by 2002:a65:5183:: with SMTP id h3mr24502771pgq.250.1563160737715; Sun, 14 Jul 2019 20:18:57 -0700 (PDT) Received: from hfq-skylake.ipads-lab.se.sjtu.edu.cn ([202.120.40.82]) by smtp.googlemail.com with ESMTPSA id f64sm16421304pfa.115.2019.07.14.20.18.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 14 Jul 2019 20:18:57 -0700 (PDT) From: Fuqian Huang Cc: Kyungmin Park , Sylwester Nawrocki , Mauro Carvalho Chehab , Kukjin Kim , Krzysztof Kozlowski , linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Fuqian Huang Subject: [PATCH v3 15/24] media: exynos4-is: Remove call to memset after dma_alloc_coherent Date: Mon, 15 Jul 2019 11:18:51 +0800 Message-Id: <20190715031851.6890-1-huangfq.daxian@gmail.com> X-Mailer: git-send-email 2.11.0 To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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/media/platform/exynos4-is/fimc-is.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c index e043d55133a3..77633e356305 100644 --- a/drivers/media/platform/exynos4-is/fimc-is.c +++ b/drivers/media/platform/exynos4-is/fimc-is.c @@ -341,7 +341,6 @@ static int fimc_is_alloc_cpu_memory(struct fimc_is *is) return -ENOMEM; is->memory.size = FIMC_IS_CPU_MEM_SIZE; - memset(is->memory.vaddr, 0, is->memory.size); dev_info(dev, "FIMC-IS CPU memory base: %#x\n", (u32)is->memory.paddr); -- 2.11.0