linux-kernel - Re: [PATCH] pinctrl: mcp23s08: fix irq setup order

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Message-ID: <CALieaedb1+ZRZYq7EmB_68W65dXVYXZ8QO1t6EE-L0jO6XJmsw@mail.gmail.com>
Date:   Wed, 3 Jan 2018 15:49:31 +0300
From:   Dmitry Mastykin <mastichi@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Phil Reid <preid@...ctromag.com.au>,
        linux-gpio@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: mcp23s08: fix irq setup order

On Tue, Jan 2, 2018 at 12:10 PM, Linus Walleij <linus.walleij@...aro.org> wrote:
>
> Patch applied, albeit for devel.
>
> Should it be tagged for stable or go into fixes?
>
Thank you very much, Linus!
About tags, please do as it convenient for you.

Kind regards,
Dmitry

> On Thu, Dec 28, 2017 at 4:19 PM, Dmitry Mastykin <mastichi@...il.com> wrote:
>
>> When using mcp23s08 module with gpio-keys, often (50% of boots)
>> it fails to get irq numbers with message:
>> "gpio-keys keys: Unable to get irq number for GPIO 0, error -6".
>> Seems that irqs must be setup before devm_gpiochip_add_data().
>>
>> Signed-off-by: Dmitry Mastykin <mastichi@...il.com>