linux-kernel - Re: [PATCH] gpio / ACPI: fix returned error from acpi_dev_gpio_irq

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Message-ID: <CACRpkdb-DsuKaPk5riRJ8zEy-TDvTrhDH4Vi3L1kZwBMnC4bPQ@mail.gmail.com>
Date:   Thu, 20 Oct 2016 14:15:44 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     Alexandre Courbot <gnurou@...il.com>,
        Mika Westerberg <mika.westerberg@...el.com>,
        David Arcari <darcari@...hat.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gpio / ACPI: fix returned error from acpi_dev_gpio_irq_get()

On Wed, Oct 12, 2016 at 6:40 PM, Benjamin Tissoires
<benjamin.tissoires@...hat.com> wrote:

> From: David Arcari <darcari@...hat.com>
>
> acpi_dev_gpio_irq_get() currently ignores the error returned
> by acpi_get_gpiod_by_index() and overwrites it with -ENOENT.
>
> Problem is this error can be -EPROBE_DEFER, which just blows
> up some drivers when the module ordering is not correct.
>
> Cc: stable@...r.kernel.org
> Signed-off-by: David Arcari <darcari@...hat.com>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>

Patch applied for fixes with Mika's ACK.

Yours,
Linus Walleij