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=-8.6 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 F1549C004D2 for ; Sun, 30 Sep 2018 22:50:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8FAE206B2 for ; Sun, 30 Sep 2018 22:50:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="K6R3Idbq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A8FAE206B2 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 S1728889AbeJAFYw (ORCPT ); Mon, 1 Oct 2018 01:24:52 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:43899 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728576AbeJAFXz (ORCPT ); Mon, 1 Oct 2018 01:23:55 -0400 Received: by mail-lj1-f194.google.com with SMTP id r8-v6so10355200ljc.10; Sun, 30 Sep 2018 15:49:06 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=cbH0hajpnTl0zJfBVdsDy+MT/NpTwMHZcOU8d9ol1jw=; b=K6R3IdbqUa3uuSC9JGYJqT0QcDaOushqrC1s/ZwePWgo7lNtgs7csaPte3AnyyvJ7K EjZcsVyT9N+oZJgEulcqsuSAaskhNdjWNqKI0kfJIabeQoNDfTKMDZnGmo8KpoOaXAeN kZw03m+EQ9GLY6YsVZPYs11QSMPnvdNMTowStJIGs7qMrMuSC+hbGiwCLDtwq9xy7KX3 EIUVejF+B+8YmVKzuofTUfk/8bH++6bKOTeyhUA5RZgYWpBvXHEY0MwIDTbF1a0jg+Af n65K15QoIwLjrl46YaxJbdspbGd1Q5E5bfP557RG0vLgeyjib2lwnTFsL5SrGmTZsg8g MZJw== 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=cbH0hajpnTl0zJfBVdsDy+MT/NpTwMHZcOU8d9ol1jw=; b=iWH/+UfFJnk/X37SRUeuh2kJfutYhviUpKOneCQsxtxJTT9ZSeWsjwrh1DadJbjs/s husSRK2LPPVVEtQNMhzTiVwb5YbNBFVBsiCudIK4bpT2HuxCvTF2vo8XNAYhldFmApNA AnfGxzryCCFC02SI160iURxYI1xpHIS2ngYARY5Le1AsZRg/0HcQjIyCm8hSLiZuforq 0uduNOCoo95dgOXMvNx8TCX0i2MiSRhiNEHiOqktEGTzUZ98YtQAcRhzTAgvHNmzDDSv 5IBaxbwGP1kDI8+IbzKZh632NdiamFdt/C1z09Bq6PJlpBJ5lenXw0R5vUTSPXruCfgH k8hw== X-Gm-Message-State: ABuFfog0z/rC9qs8REfcV5WbsRzxXbYjCAL2pivq6e77qJ40rzmqfSTm ljUckKO4nASC/EbIKOVrzsTlfR1M X-Google-Smtp-Source: ACcGV625+Rq/rTqDq4VRpb7zVsHpBAoMy3zA3xqVw/10nBIN5B1KtjGix9psFZ07rl/NX4IsDznY4Q== X-Received: by 2002:a2e:8606:: with SMTP id a6-v6mr3973366lji.43.1538347745519; Sun, 30 Sep 2018 15:49:05 -0700 (PDT) Received: from localhost.localdomain (109-252-91-213.nat.spd-mgts.ru. [109.252.91.213]) by smtp.gmail.com with ESMTPSA id i2-v6sm2356829lji.88.2018.09.30.15.49.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 30 Sep 2018 15:49:05 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Joerg Roedel , Robin Murphy Cc: iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 12/21] memory: tegra: Use relaxed versions of readl/writel Date: Mon, 1 Oct 2018 01:48:24 +0300 Message-Id: <20180930224833.28809-13-digetx@gmail.com> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20180930224833.28809-1-digetx@gmail.com> References: <20180930224833.28809-1-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; -- 2.19.0