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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 3803EC433FF for ; Wed, 14 Aug 2019 08:32:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C3A020843 for ; Wed, 14 Aug 2019 08:32:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="qMdw+xMV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725265AbfHNIcl (ORCPT ); Wed, 14 Aug 2019 04:32:41 -0400 Received: from mail-lj1-f195.google.com ([209.85.208.195]:35268 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726534AbfHNIcl (ORCPT ); Wed, 14 Aug 2019 04:32:41 -0400 Received: by mail-lj1-f195.google.com with SMTP id l14so14079324lje.2 for ; Wed, 14 Aug 2019 01:32:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Qprk97I1dFe+WA8kDtJTqkPzn2PSILy5kREIC5Uixm4=; b=qMdw+xMV024LAbvccUI3jC70aaEEO5YWomLZhuABCdzO2cL+7TrxzWBaQItupTGIe5 V5iI287R6yEzuK4400Xf11LNmZT5SP6D3BpwXIiP0REHYCp8lEccJQsiTnSQK7+qJw5c Adf6kT0NahAxCaB61a4PDzWh0bZsvpdye0vrJeeZ3SE9yW+n4tXTOd0BO1uq9rjGvYuB 5Nnv5m31Aj9HkD49sGMjQwz//29/ywzsTipoA+S2vbv/e5ERHrl6TQtuGZhTkqDX2q/6 Bt86uvuXeQ6/przYNgkxiJfzspWLBBF/cOGwWI6Nx23yadkF0Xae3G66sAVLnvA6hs3F KrJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Qprk97I1dFe+WA8kDtJTqkPzn2PSILy5kREIC5Uixm4=; b=twkZsvnA7xBczckcEhhBky/436uFsoLSLRqWndxN6BfkHJxqoM1Bytrl82MA076ztM ZSycxpNLJYmQPvXPxYPM/ddotjhH6j/PKw+7egYgGsdEgWvE1FFBgF4mL2fGYEqN3f3n U2huhVBPxrB/WtROcXhug1vLniNc3rWsN+G+WsZ3PkISJlOpD5t5bZYqO4WvEYihIBHO syY1J/zJW/1+I7v1K6S8Y8m23DoSTDGspaTfTwHU9i4pwv6yWP8Fmwt6XNHAAMqdhENz A97Y8jo+pIhwWexj4N/lJysiT+G5eURtys/XJ4nKXgdtBC9tU18JUnAtaBY0hkFdeEKY +vTg== X-Gm-Message-State: APjAAAUUM4YtV0g2HnLhSlOdYIdF4Tp2peyDs8+4E6OX2kaJ6PSmM5lh iK7thEGvmA5yTGFnSiiKfOerjY2n0muiYzyROQJo1w== X-Google-Smtp-Source: APXvYqx+fft1SOz2IQDyCGJ15XAqb3Zjb5OEqzoV7vIlggjkoFNfsMZU8eWQaIcFkhj1gV1hUfaGOfz43NWpoIBxdXE= X-Received: by 2002:a2e:9f0f:: with SMTP id u15mr14722764ljk.54.1565771559322; Wed, 14 Aug 2019 01:32:39 -0700 (PDT) MIME-Version: 1.0 References: <1565308020-31952-1-git-send-email-skomatineni@nvidia.com> <1565308020-31952-2-git-send-email-skomatineni@nvidia.com> In-Reply-To: <1565308020-31952-2-git-send-email-skomatineni@nvidia.com> From: Linus Walleij Date: Wed, 14 Aug 2019 10:32:28 +0200 Message-ID: Subject: Re: [PATCH v8 01/21] pinctrl: tegra: Fix write barrier placement in pmx_writel To: Sowjanya Komatineni Cc: "thierry.reding@gmail.com" , Jon Hunter , Thomas Gleixner , Jason Cooper , Marc Zyngier , Stefan Agner , Mark Rutland , Peter De Schrijver , Prashant Gaikwad , Stephen Boyd , linux-clk , "open list:GPIO SUBSYSTEM" , jckuo@nvidia.com, Joseph Lo , talho@nvidia.com, linux-tegra@vger.kernel.org, "linux-kernel@vger.kernel.org" , Mikko Perttunen , spatra@nvidia.com, Rob Herring , Dmitry Osipenko , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "Rafael J. Wysocki" , viresh kumar , Linux PM list Content-Type: text/plain; charset="UTF-8" Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On Fri, Aug 9, 2019 at 1:47 AM Sowjanya Komatineni wrote: > pmx_writel uses writel which inserts write barrier before the > register write rather. > > This patch has fix to replace writel with writel_relaxed followed > by a write barrier to ensure write operation before the barrier > is completed for successful pinctrl change. > > Signed-off-by: Sowjanya Komatineni Patch applied with the ACKs. Yours, Linus Walleij