linux-kernel - Re: [PATCH v1 3/4] platform/x86: surface3_button: Propagate error from gpiod

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Message-ID: <CACRpkdZNs=xGiumQTamSJ=xtC7gkkyoSOv2DpMpkEsbsN7WDpA@mail.gmail.com>
Date:   Thu, 16 Mar 2017 15:45:01 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Linux Input <linux-input@...r.kernel.org>,
        Darren Hart <dvhart@...radead.org>,
        platform-driver-x86 <platform-driver-x86@...r.kernel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 3/4] platform/x86: surface3_button: Propagate error
 from gpiod_count()

On Mon, Feb 20, 2017 at 5:15 PM, Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:

> Since gpiod_count() does not return 0 anymore, we don't need to shadow
> its error code and would safely propagate to the user.
>
> While here, replace second parameter by NULL in order to prevent side
> effects on _DSD enabled firmware.
>
> Cc: Benjamin Tissoires <benjamin.tissoires@...hat.com>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Patch applied to the GPIO tree.

Yours,
Linus Walleij