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,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 4085EC67838 for ; Sun, 9 Dec 2018 20:31:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F2D7E20661 for ; Sun, 9 Dec 2018 20:31:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Q1zMZg3r" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F2D7E20661 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 S1726411AbeLIUbR (ORCPT ); Sun, 9 Dec 2018 15:31:17 -0500 Received: from mail-lj1-f194.google.com ([209.85.208.194]:33045 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726343AbeLIUbN (ORCPT ); Sun, 9 Dec 2018 15:31:13 -0500 Received: by mail-lj1-f194.google.com with SMTP id v1-v6so7816907ljd.0; Sun, 09 Dec 2018 12:31:11 -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=AL9mgVWYAaaAVSfCK2qUoA1QSddHFwi3ukVWb4sw/HA=; b=Q1zMZg3rzLkAKm5UcjO4zLrmqbVWFkD9XfDHDxLIZXNr/5OkWR2HgZU/N8Nr53frQb UJwR5DDq5B1uzHa0ue2043pLykYwTgXBfht5LFVGFwo15S3mrpEWNghedRu/rihtArSd M8isOn46HLaODcG8hfqT9DJPzaeGatX8dlZok2xCDIegtDRRzg7ZVMXX49CMalYkL6eV OownIV6J3BXeut+rs73zwrya4UdtkdxsaIv8s8cTk2syWEb79ykCd7RGQHbunLY5DTTz glQFxaARRMgLYNf5n4EwWfENgxSWZxOjzLHMPQCoq4ITCPW67XKk2xIN4q4P0sXpLoW1 BNRw== 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=AL9mgVWYAaaAVSfCK2qUoA1QSddHFwi3ukVWb4sw/HA=; b=obzZHrgwral1TNsuKHhHkQHio972ctA9xnA0peIky7ofvI8NLa8JF4jj8e1L2/TLl/ R1OtdwLagrcCbF/tsl6vOvf5VtATwAu5n2xYvZ4UAWxBtRBGwMEUPM72o1F4sDrWhkpk sPPkNCLhTDcmIDL4H6t12lyN3rKPVzzaIaCYkYPfzkr1Dk4z3NrQ27HM691wJqQaAeoh p7ByC/wT0Lc0Y2uRu3Mc5i+Fict7eaOrbH10s6+Y4P+cwVVPN+3fzabS3Vb+uXrYrZ3u F3QQF5Qq87Y3n+smdYeAgkfNF1Jb502YcZDBJ6v17Sv2ArrR9xwwuB/Re8akVV7Hq6Vd xL0Q== X-Gm-Message-State: AA+aEWaxSDlD13hOvlAvuclDFStA0ZAeJQqR7lRm4V8qFCad9xyGJJNR /zj4wTFac2HhKJtUfzNRf2rN1s+4 X-Google-Smtp-Source: AFSGD/UGZeYGGcKcj+uA/B4Yc6ns0pUqduLlr6pSDq8ri3MsNwkfFjOKthAj9QMd1ofiRVQQqfulJQ== X-Received: by 2002:a2e:9c52:: with SMTP id t18-v6mr4625797ljj.149.1544387471172; Sun, 09 Dec 2018 12:31:11 -0800 (PST) Received: from localhost.localdomain (ppp91-79-165-221.pppoe.mtu-net.ru. [91.79.165.221]) by smtp.gmail.com with ESMTPSA id c20sm1708346lfj.67.2018.12.09.12.31.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 09 Dec 2018 12:31:10 -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 v6 12/21] memory: tegra: Use relaxed versions of readl/writel Date: Sun, 9 Dec 2018 23:29:41 +0300 Message-Id: <20181209202950.31486-13-digetx@gmail.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181209202950.31486-1-digetx@gmail.com> References: <20181209202950.31486-1-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 --- 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; -- 2.19.1