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

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Message-ID: <CACRpkdaM=rh2O5NHvnMfvcgGV36wUrcSbGpUwCMa8a2yjjOrvQ@mail.gmail.com>
Date:   Thu, 25 Mar 2021 10:09:34 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        "Enrico Weigelt, metux IT consult" <info@...ux.net>,
        "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 18, 2021 at 9:00 AM Enrico Weigelt, metux IT consult
<lkml@...ux.net> wrote:

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

Yes it's really neat. It's all in <linux/property.h> and examples
in e.g. the testsuite:
drivers/base/test/property-entry-test.c

You can just grep for PROPERTY_ENTRY and you find some
examples of how we use it.

Yours,
Linus Walleij