linux-kernel - Re: [PATCH v1] of: property: Add fw_devlink support for "gpio" and "gpios" binding

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Message-ID: <CACRpkdZqSm-xfo8a8aFUe-Mbaw9tM+OmCAF3KWjOVDfC=oWj+Q@mail.gmail.com>
Date:   Tue, 19 Jan 2021 11:20:24 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Saravana Kannan <saravanak@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        linux-tegra <linux-tegra@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Jon Hunter <jonathanh@...dia.com>,
        Android Kernel Team <kernel-team@...roid.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1] of: property: Add fw_devlink support for "gpio" and
 "gpios" binding

On Tue, Jan 19, 2021 at 9:50 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:

> > Can we pull this into driver-core-next please? It fixes issues on some
> > boards with fw_devlink=on.
>
> On r8a77951-salvator-xs.dts, it introduces one more failure:
>
>     OF: /soc/i2c@...d8000/gpio@...pcie-sata-switch-hog: could not get
> #gpio-cells for /cpus/cpu@102
>
> Seems like it doesn't parse gpios properties in GPIO hogs correctly.

Could it be that the code assumes no self-referencing phandles?
(Just guessing...)

Yours,
Linus Walleij