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

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Message-ID: <7b515409-1315-acd4-688a-c0eb4958d505@metux.net>
Date:   Thu, 18 Mar 2021 09:00:11 +0100
From:   "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
To:     Andy Shevchenko <andy.shevchenko@...il.com>,
        "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 11.03.21 11:42, Andy Shevchenko wrote:

Hi,

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

Is there some compact notation for swnode's that's as small and simple
as some piece of DTS ?

My reasons for choosing built-in dtb have been:

* it's a very small and compact notation for describing devices
* no more open-coded registrations, etc
* no more need for board drivers (except for the little piece of DT)


--mtx

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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@...ux.net -- +49-151-27565287