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=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 91A3EC65BAF for ; Wed, 12 Dec 2018 20:53:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5669120851 for ; Wed, 12 Dec 2018 20:53:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bE7SvWkR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5669120851 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728454AbeLLUxQ (ORCPT ); Wed, 12 Dec 2018 15:53:16 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:44436 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727121AbeLLUxO (ORCPT ); Wed, 12 Dec 2018 15:53:14 -0500 Received: by mail-pf1-f193.google.com with SMTP id u6so9430186pfh.11; Wed, 12 Dec 2018 12:53:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=D3IhCZ33Eo81tdSj/+KDeNpIwacUrTZ4TzMO/OThHFk=; b=bE7SvWkRXYlkvEep1jYGWnFv1bOLsjytbAL9hdZSQoIYmfrb3iCohPwmr2iT/E0q9Q 7/JURAS4P+vCJMWH037Q/peUy29NEskNAlxsHj3c/wSqdoukhX6rbyClTkr4owf0jROd 1LqUA++aEnJdCnWliFgLOFv5Pr4N/hpY/gYJqyHV1WhSFMkySGTZHH+fSDXE4jsmOTio 9PPuCdiR3QfuMaE1OS9CwB6EGP8TWIcy7cQNFSbkuga2nLz7hg5QBHukLPjjMttHulB7 iN+ChUh5gnr1ywyAMq/dA1GkuOkh1lE6Rcyaq4bEMHiRhp+2MqV7C9elmX0i5X0OIA/q 5o4w== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=D3IhCZ33Eo81tdSj/+KDeNpIwacUrTZ4TzMO/OThHFk=; b=LYAsLGtQ4qF4GNCUksF6dkckkeADCa01/vHWn4pQKIGnvrsQN1eLiLVQG01lrZI2KO i1zsZfv4ir7bxvGM46WjI5Qj4HACL4oMouuAHTEBeUkLaYbjWHGp1eHhNAiLHJVksdGY ylNM4xamHEZevjepZtmj7nsdMMW2I6lgPjlWo9u7aFi/H6d7O8eNcFKR9mbK7NW4NAfM rlgXs3/aM9/aIs9PwA5kiWVjyVNK5wJkzZ7ygt9jADIl5ewT6LSepl6hwgDzFW6EcoNl DBmczdyYi6WV+PrTmUISa1nwuEAWc4nTocmw/ibeVHgoMDVcyYa4RQT0ye6RtXBkrJ1d elhw== X-Gm-Message-State: AA+aEWbZ87uXdQJcxD4wRrcH+XclWt+aoTmBv/4DlxmAUClNFMHufPZx 56EmfniU2EXP8ZBiiNGODcU= X-Google-Smtp-Source: AFSGD/XRB1a4yfnbtIDh6wB1lCiHhPtUXMy5kBk35I8/XpskuvZYb4zufaRxUqFNWKw53xS6BITgDw== X-Received: by 2002:a63:5b48:: with SMTP id l8mr16811291pgm.80.1544647993762; Wed, 12 Dec 2018 12:53:13 -0800 (PST) Received: from localhost.localdomain ([94.29.36.169]) by smtp.gmail.com with ESMTPSA id p2sm34753860pgc.94.2018.12.12.12.53.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Dec 2018 12:53:13 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Joerg Roedel Cc: Robin Murphy , iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v7 12/24] memory: tegra: Use relaxed versions of readl/writel Date: Wed, 12 Dec 2018 23:38:55 +0300 Message-Id: <20181212203907.23461-13-digetx@gmail.com> X-Mailer: git-send-email 2.20.0 In-Reply-To: <20181212203907.23461-1-digetx@gmail.com> References: <20181212203907.23461-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is no need for inserting of memory barriers to access registers of Memory Controller. Hence use the relaxed versions of the accessors. Signed-off-by: Dmitry Osipenko Acked-by: Thierry Reding --- drivers/memory/tegra/mc.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/memory/tegra/mc.h b/drivers/memory/tegra/mc.h index 9856f085e487..887a3b07334f 100644 --- a/drivers/memory/tegra/mc.h +++ b/drivers/memory/tegra/mc.h @@ -26,13 +26,13 @@ static inline u32 mc_readl(struct tegra_mc *mc, unsigned long offset) { - return readl(mc->regs + offset); + return readl_relaxed(mc->regs + offset); } static inline void mc_writel(struct tegra_mc *mc, u32 value, unsigned long offset) { - writel(value, mc->regs + offset); + writel_relaxed(value, mc->regs + offset); } extern const struct tegra_mc_reset_ops terga_mc_reset_ops_common; -- 2.20.0