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=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 4D0A7C4727D for ; Thu, 24 Sep 2020 08:31:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ED7A92376F for ; Thu, 24 Sep 2020 08:31:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QsP1udv4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727250AbgIXIbJ (ORCPT ); Thu, 24 Sep 2020 04:31:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727046AbgIXIbJ (ORCPT ); Thu, 24 Sep 2020 04:31:09 -0400 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49CB1C0613CE; Thu, 24 Sep 2020 01:31:09 -0700 (PDT) Received: by mail-pl1-x643.google.com with SMTP id f1so1270152plo.13; Thu, 24 Sep 2020 01:31:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=IVI88Ab0ORn7n0SaJ8glbDknDRZ2U53PHQjSfMHEPWQ=; b=QsP1udv4sC1wPywLdkSvUzX8PPWRzMDOEm8ry73Pb7GpZ8K9jlE4hyOM4y5HVNn0BV JyYRDWIMWhtgt8j6QIGCcO6s9oUzSBDeBvmlolD1Dd3umqcjuKiVoDJ35+QL7D6I8XOz p9t562M/QHZj39mRxdt21hU/sEGIgLhtM7hmu8NGx/pEPuF2rwTd95EyPgvqXUQpc9+8 GgGCVxwT8jFuznoRBUEvq1pvgMZndVYksUrt6D/Py2bj0dwTXXTWa9Vg4hoItFYhcyiR 28xdtlMtzKApWtiL7J+JmDCqx295rF7hxVX9rrhx2/uyT/BcSGqw/nekWHPCGeZiHHah fh2A== 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=IVI88Ab0ORn7n0SaJ8glbDknDRZ2U53PHQjSfMHEPWQ=; b=dvvs+UH6+8cmFZJmWsPEAKdqgUXekO6ItnG0d5YY0lLSIrqIhF1ACE7KXupdHHIkYG ahff3zvschwUK8GApR7t3WD86BnEzmr8LW7E28/RU8Y/aCtsnjfXNIuFjeY5TFigvp+v FHE+0yPuofp/rggN4W3HpvkOEpHkbSlTlCQ+m9AoDIoCLBqIil9qHAjOKKEGuw1HVa50 l3D9dGhIHrVXVY1JgZsAwu0HzPdX95F0V+kaSwp19z15kNmaPonnJKtD56lmSMBQFiSc 11BWRGjl8PHwSAo14N0J7xeTkRalX1NfOqpGCaaBKKFcGoUkdU4wxO0yVQDF+7LJW/I+ VPAw== X-Gm-Message-State: AOAM533tJfR6IcCE4/U8iezbOUFqErKQerkhc/VdxKF27hCZVPTSUKZp yEPeyL3YmcGi7fHr7Xg+lU8r/TyVMn1Msr+RjIo= X-Google-Smtp-Source: ABdhPJxY/SFBzi1/e1CZgyq3kKnpbcADTlsz9mk4MTd6CKSbIGdJxuUP64RnGNYQ+VHTNfV/Ob34qfdZ9vvWJ62IaC0= X-Received: by 2002:a17:90b:fc4:: with SMTP id gd4mr3015493pjb.129.1600936268874; Thu, 24 Sep 2020 01:31:08 -0700 (PDT) MIME-Version: 1.0 References: <20200923151511.3842150-1-luzmaximilian@gmail.com> In-Reply-To: From: Andy Shevchenko Date: Thu, 24 Sep 2020 11:30:52 +0300 Message-ID: Subject: Re: [RFC PATCH 0/9] Add support for Microsoft Surface System Aggregator Module To: Arnd Bergmann Cc: Maximilian Luz , "linux-kernel@vger.kernel.org" , "open list:SERIAL DRIVERS" , ACPI Devel Maling List , Greg Kroah-Hartman , Rob Herring , Jiri Slaby , "Rafael J. Wysocki" , Len Brown , =?UTF-8?Q?Bla=C5=BE_Hrastnik?= , Dorian Stoll Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org On Wed, Sep 23, 2020 at 6:32 PM Arnd Bergmann wrote: > > On Wed, Sep 23, 2020 at 5:15 PM Maximilian Luz wrote: > > > > Hello, > > > > The Surface System Aggregator Module (we'll refer to it as Surface > > Aggregator or SAM below) is an embedded controller (EC) found on various > > Microsoft Surface devices. Specifically, all 4th and later generation > > Surface devices, i.e. Surface Pro 4, Surface Book 1 and later, with the > > exception of the Surface Go series and the Surface Duo. Notably, it > > seems like this EC can also be found on the ARM-based Surface Pro X [1]. > > I think this should go to drivers/platform/x86 or drivers/platform/surface/ > along with other laptop vendor specific code rather than drivers/misc/. +1 here. drivers/platform/surface is a good place to start. And you may begin with moving a few Surface drivers out of PDx86 to the new folder. -- With Best Regards, Andy Shevchenko