linux-kernel - Re: [PATCH v3] gpio: pl061: Fix the issue failed to register the ACPI interrtupion

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Message-ID: <5D5BBD15.4030507@hisilicon.com>
Date:   Tue, 20 Aug 2019 17:27:49 +0800
From:   Wei Xu <xuwei5@...ilicon.com>
To:     Linus Walleij <linus.walleij@...aro.org>
CC:     Salil Mehta <salil.mehta@...wei.com>, <jinying@...ilicon.com>,
        Tangkunshan <tangkunshan@...wei.com>,
        "Liguozhu (Kenneth)" <liguozhu@...ilicon.com>,
        "John Garry" <john.garry@...wei.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Shameerali Kolothum Thodi" <shameerali.kolothum.thodi@...wei.com>,
        Linuxarm <linuxarm@...wei.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        huangdaode <huangdaode@...ilicon.com>,
        Jonathan Cameron <jonathan.cameron@...wei.com>,
        Shiju Jose <shiju.jose@...wei.com>,
        "Mika Westerberg" <mika.westerberg@...ux.intel.com>,
        Zhangyi ac <zhangyi.ac@...wei.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Len Brown <lenb@...nel.org>
Subject: Re: [PATCH v3] gpio: pl061: Fix the issue failed to register the ACPI
 interrtupion

Hi Linus,

On 2019/8/20 16:01, Linus Walleij wrote:
> On Mon, Aug 19, 2019 at 3:29 PM Wei Xu <xuwei5@...ilicon.com> wrote:
>
>> Invoke acpi_gpiochip_request_interrupts after the acpi data has been
>> attached to the pl061 acpi node to register interruption.
>>
>> Otherwise it will be failed to register interruption for the ACPI case.
>> Because in the gpiochip_add_data_with_key, acpi_gpiochip_add is invoked
>> after gpiochip_add_irqchip but at that time the acpi data has not been
>> attached yet.
> We need to fix this problem in gpiochip_add_data_with_key() instead.
Thanks!

Best Regards,
Wei

> Yours,
> Linus Walleij
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
>

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