linux-kernel - Re: [PATCH v4 2/2] dt-bindings: gpio: Add devicetree binding for IDT 79RC32434 GPIO controller

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Message-ID: <CACRpkdaftBRUw_m9GjrqMreAF98iNTF4807LwkY9Mt7Ceh6k=w@mail.gmail.com>
Date:   Thu, 6 May 2021 13:11:07 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 2/2] dt-bindings: gpio: Add devicetree binding for IDT
 79RC32434 GPIO controller

On Tue, May 4, 2021 at 3:44 PM Rob Herring <robh+dt@...nel.org> wrote:
> On Sat, May 1, 2021 at 7:13 AM Linus Walleij <linus.walleij@...aro.org> wrote:

> > Why can't interrupt support be made optional?
(...)
>
> If the hardware has interrupts, then we should describe that. It's the
> OS driver that may or may not support interrupts.

You're right of course. What was I thinking.

Yours,
Linus Walleij