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From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Wed, 13 Oct 2021 02:07:09 +0200
Message-ID: <CACRpkdaTWb4-m=9UzQUwQyUhT3PQ3YWreG+KNnhLdXGGmJLrBg@mail.gmail.com>
Subject: Re: [RFC PATCH v2 3/4] pinctrl: renesas: pinctrl-rzg2l: Add IRQ
 domain to handle GPIO interrupt
To:     Geert Uytterhoeven <geert@linux-m68k.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
        Marc Zyngier <maz@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Rob Herring <robh+dt@kernel.org>,
        Magnus Damm <magnus.damm@gmail.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
        Prabhakar <prabhakar.csengg@gmail.com>,
        Biju Das <biju.das.jz@bp.renesas.com>
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On Tue, Oct 5, 2021 at 11:56 AM Geert Uytterhoeven <geert@linux-m68k.org> wrote:

> > Why can't you just use the hierarchical IRQ domain handling inside
> > gpiolib?
>
> Out of interest (not related to this patch), does this support multiple
> parent domains?

Not currently, but I might have seen a patch adding it?
Now I can't find it...

Yours,
Linus Walleij