linux-kernel - Re: [RFC PATCH 0/9] Add support for Microsoft Surface System Aggregator Module

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Message-ID: <CAHp75Vfp86h38Rd-VEgER7ASADdmz5ymAkuHvD0Q6WPDqZBqHw@mail.gmail.com>
Date:   Thu, 24 Sep 2020 11:30:52 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Maximilian Luz <luzmaximilian@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh@...nel.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Blaž Hrastnik <blaz@...n.io>,
        Dorian Stoll <dorian.stoll@...p.io>
Subject: Re: [RFC PATCH 0/9] Add support for Microsoft Surface System
 Aggregator Module

On Wed, Sep 23, 2020 at 6:32 PM Arnd Bergmann <arnd@...db.de> wrote:
>
> On Wed, Sep 23, 2020 at 5:15 PM Maximilian Luz <luzmaximilian@...il.com> 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