linux-kernel - Re: [RFC PATCH 07/12] gpio: amd-fch: add oftree probing support

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Message-ID: <CAHp75VeWW__18hwK+-uEibpzLpehD4h=QCnTbKOc-2GbkMB0TA@mail.gmail.com>
Date:   Thu, 11 Mar 2021 12:42:24 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     "Enrico Weigelt, metux IT consult" <info@...ux.net>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [RFC PATCH 07/12] gpio: amd-fch: add oftree probing support

On Thu, Mar 11, 2021 at 12:20 PM Enrico Weigelt, metux IT consult
<info@...ux.net> wrote:
> On 01.03.21 15:51, Linus Walleij wrote:

> > I don't know what the idea is with this but register are not normally defined
> > in the DTS files. The registers are determined from the compatible value.
>
> The idea is basically replacing the pdata struct by oftree node.
> (subsequent patches in this queue use this by doing the board setup via
> compiled-in dtb, instead of the currently hardcoded tables).

You are a bit late. We have built-in device properties (and
corresponding API, which recently becomes swnode) which aims exactly
this.


-- 
With Best Regards,
Andy Shevchenko