linux-kernel - Re: [PATCH v3] gpio: uniphier: add UniPhier GPIO controller driver

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Message-ID: <CACRpkdYG3BFhhpouwAkQN+x0YpC5EhsVhTkqyuNdRd26Ne-r9A@mail.gmail.com>
Date:   Thu, 31 Aug 2017 15:41:49 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Marc Zyngier <marc.zyngier@....com>
Cc:     "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3] gpio: uniphier: add UniPhier GPIO controller driver

On Tue, Aug 22, 2017 at 6:16 PM, Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:

> This GPIO controller device is used on UniPhier SoCs.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
>
> Changes in v3:
>   - Add .irq_set_affinity() hook
>   - Use irq_domain_create_hierarchy() instead of legacy
>     irq_domain_add_hierarchy().

This is getting better and better.

> +static const u32 uniphier_gpio_irq_parent_hwirqs[] = {
> +       48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
> +       154, 155, 156, 157, 158, 217, 218, 219,
> +};

This array which is used when allocating the hierarchical domain
looks like configuration data. Why is it not in the device tree?

Yours,
Linus Walleij