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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B297EC433F5 for ; Thu, 20 Jan 2022 11:29:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231478AbiATL3z (ORCPT ); Thu, 20 Jan 2022 06:29:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231256AbiATL3x (ORCPT ); Thu, 20 Jan 2022 06:29:53 -0500 Received: from mail-ed1-x534.google.com (mail-ed1-x534.google.com [IPv6:2a00:1450:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4163C061574; Thu, 20 Jan 2022 03:29:52 -0800 (PST) Received: by mail-ed1-x534.google.com with SMTP id p12so27286549edq.9; Thu, 20 Jan 2022 03:29:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=2rVXPQD+T4dndPhuh05MprEXrNciF2+Oy8j9nTyFCUU=; b=QVtMGBcmw7aIRGePBEkEDBybAaTba4c9oKg0m+dy2+YSl7IMLCDYs96kWOoxRs+Ozm R31b9zmEK+EI1Uz+qOnmmT2lxRaU2KW5K+uzqZzp8g93KB54daAxOd+M3k05sHm6kpXx Y71niBy0iiaqP8mOVcK6zkCsXnumnqKgX0w1k+pGni/lwP92sdT9De7yHzNf/G+TNgkp t2SW9zKM/Z74Fe88tzJehDdkReAZFrrgVN5w4E/oWL4xjSdpJHqj0Vo7hkR5+BYOlCuX 1IsIwNqHm6H975vfEz8Va+30i9dxoqjpJ6A6ucWPsWsqqLnnzgB3uPavKe+jmwufFJkH RBWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=2rVXPQD+T4dndPhuh05MprEXrNciF2+Oy8j9nTyFCUU=; b=PYOQHalu4jmYxjvfppoLJh3GgcBc4KWIkzQGqn50HlL2h3PRx2JeOo3P+6GR79AcOh OMCEZYapWm45IsTJgfLT64EEB+jjGUSZvGUTvuBo1HjeQIes90fGh+G8+k9NYT7kQLBb 7F831kuy4SzMxktniTM1VXWNPAAtF4kU4Dho1D307yRT7AOdZ16ACxsNftQqE7d6WJds fTMxZskU5ipGiCSMAdincCgChAu5q8AJ3IMwXROgcOg2HYwF4m/x+TIZFAAk6zbET8Yq QTqwEifSzHTrjJVXNiz+/DqI6G57Cj05UXJyjislCWb9xP8zI+7vmrO3D9Nul3FusKuf fqfg== X-Gm-Message-State: AOAM530JL6670+6m1HcaWz/XZIbtPBTFbpVHFxqnYVVSF3YJYDaF6fHF jCtCTq9uLkGQCOXhHVx2y8uSe6Y1paCa/uXbm3g= X-Google-Smtp-Source: ABdhPJzeUYMA/JTG3LubYn41e+ve59DUy98mnVmG5v1k9gvkPJC/WxFIwzH8g5bIDVZC9YAX6ECcI1ZwwtUo9+neCZ8= X-Received: by 2002:a17:907:6e0b:: with SMTP id sd11mr29384847ejc.132.1642678191307; Thu, 20 Jan 2022 03:29:51 -0800 (PST) MIME-Version: 1.0 References: <20220119230626.31560-1-terry.bowman@amd.com> <20220119230626.31560-9-terry.bowman@amd.com> In-Reply-To: <20220119230626.31560-9-terry.bowman@amd.com> From: Andy Shevchenko Date: Thu, 20 Jan 2022 13:28:09 +0200 Message-ID: Subject: Re: [PATCH v3 8/9] i2c: piix4: Add EFCH MMIO support for SMBus port select To: Terry Bowman Cc: Guenter Roeck , linux-watchdog@vger.kernel.org, Jean Delvare , linux-i2c , Wolfram Sang , "Rafael J. Wysocki" , Linux Kernel Mailing List , Wim Van Sebroeck , Robert Richter , Tom Lendacky , sudheesh.mavila@amd.com, "Shah, Nehal-bakulchandra" , Basavaraj Natikar , Shyam Sundar S K , Mario Limonciello Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 20, 2022 at 1:08 AM Terry Bowman wrote: > > AMD processors include registers capable of selecting between 2 SMBus > ports. Port selection is made during each user access by writing to > FCH::PM::DECODEEN[smbus0sel]. Change the driver to use MMIO during > SMBus port selection because cd6h/cd7h port I/O is not available on > later AMD processors. ... > } > + > /* Stray change. -- With Best Regards, Andy Shevchenko