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=-14.3 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, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 0AF48C4321A for ; Fri, 28 Jun 2019 02:47:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CEF732147A for ; Fri, 28 Jun 2019 02:47:19 +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="BsodeRIZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727136AbfF1CrS (ORCPT ); Thu, 27 Jun 2019 22:47:18 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:39824 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727089AbfF1CrS (ORCPT ); Thu, 27 Jun 2019 22:47:18 -0400 Received: by mail-pf1-f194.google.com with SMTP id j2so2187808pfe.6; Thu, 27 Jun 2019 19:47:17 -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=FTN0zKhDxIv8S5csTSaarzg3XpPyp/sNBzVy1DH0RIg=; b=BsodeRIZe1Y83qn1ItIjPVyyDU9dbvTBDhITtZe1n6JGzbBJuiVWIoaZ9FJdwuYi07 4YKwfofAmlRaUCNdmovZDU3S+RB/W9UTL8MeHaq1uryAbmCrDF+f7d7fJy5TCvBesng6 JZfNesDqxSIstuxUfXbsxURosurwHlUsXND3R0rgvusgvrVcpUOOzbJRKjQviN+hYOMT xdJsBs7OM48WwYUbnOi3BeWWOpWzRnY/sdi05lKVsnMkkfFdeeN8imXUKu6SVVBvRlqT 5VBh9MJP5yRJBy4yfHcyPZifl/oCjOMvgVLsVY02WkCaa2FryoXDOzU1ro2nmnnBxa2o RsDQ== 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=FTN0zKhDxIv8S5csTSaarzg3XpPyp/sNBzVy1DH0RIg=; b=d8+IMeAnHkSyt1k2YVE9b0RZ+Db8kB+JGRZaPLfzLuIJUH7oLUoa1CwJ1Pdhfr1cUI cljgthUYCgfiwnSJDMx9RIEEiRs79uf/mwx0s3d2f1cwX6T5DeB+bFcb9CBlDewBsUQO uOXj35MfYh2o+K7+6KYkO93Jl3oYh9RPilHJLlHr2PByGMYLX8tQJs96gSM7KZpCk0lR IAPN/GDpCo9C9oAcEwYDVLEAqP1emDJH0QLjLNehAadxNSqWEfChZdkSvfdZyZh80Imm h4rnwF3vOmtFQuDjW5JVWwe25H8Qao7YZ0beqEQI+xi/kpIYgD7e9gw1JcBBMjbFHLE4 z4bQ== X-Gm-Message-State: APjAAAW9KwyPPn2V6hLquGrV9CgdCKtX+E1Dujn6Xdz7tqZdmYuEl0WP /QSxsPeunF/pEiFRKAPgCf4= X-Google-Smtp-Source: APXvYqyzDlz4aJe0A2U5O8Oy1Sg9aQHycbE1T8Vl3tT86xnGqpPGDT2QfeVyiA/YL19H+0WkeYde2w== X-Received: by 2002:a63:7f07:: with SMTP id a7mr6832325pgd.26.1561690037406; Thu, 27 Jun 2019 19:47:17 -0700 (PDT) Received: from hfq-skylake.ipads-lab.se.sjtu.edu.cn ([202.120.40.82]) by smtp.googlemail.com with ESMTPSA id c18sm449055pfc.180.2019.06.27.19.47.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Jun 2019 19:47:17 -0700 (PDT) From: Fuqian Huang Cc: Fuqian Huang , Seth Heasley , Neil Horman , Jarkko Nikula , Wolfram Sang , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 08/27] i2c: busses: remove memset after dmam_alloc_coherent Date: Fri, 28 Jun 2019 10:47:10 +0800 Message-Id: <20190628024711.15203-1-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 af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dmam_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang --- drivers/i2c/busses/i2c-ismt.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index 02d23edb2fb1..2f95e25a10f7 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -781,8 +781,6 @@ static int ismt_dev_init(struct ismt_priv *priv) if (!priv->hw) return -ENOMEM; - memset(priv->hw, 0, (ISMT_DESC_ENTRIES * sizeof(struct ismt_desc))); - priv->head = 0; init_completion(&priv->cmp); -- 2.11.0