linux-kernel - Re: [PATCH 2/2] gpio: tegra186: Support multiple interrupts per bank

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Message-ID: <CACRpkdboaxpVhLHRmWw8vtuXNZB8z5okSYLCBae-WzNjpbyK-Q@mail.gmail.com>
Date:   Sun, 19 Sep 2021 21:41:49 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Jon Hunter <jonathanh@...dia.com>,
        Prathamesh Shete <pshete@...dia.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-tegra <linux-tegra@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] gpio: tegra186: Support multiple interrupts per bank

On Fri, Sep 17, 2021 at 12:54 PM Thierry Reding
<thierry.reding@...il.com> wrote:

> From: Thierry Reding <treding@...dia.com>
>
> Tegra194 and later support more than a single interrupt per bank. This
> is primarily useful for virtualization but can also be helpful for more
> fine-grained CPU affinity control. To keep things simple for now, route
> all pins to the first interrupt.
>
> For backwards-compatibility, support old device trees that specify only
> one interrupt per bank by counting the interrupts at probe time.
>
> Signed-off-by: Thierry Reding <treding@...dia.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij