linux-kernel - Re: [PATCH] pinctrl: samsung: mark PM functions as __maybe

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Message-ID: <CACRpkdYBL_4caeSkD4aXqGCJ0XF=S_pQ24J8pBPCacDyzdow0g@mail.gmail.com>
Date:   Mon, 6 Feb 2017 11:04:52 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Tomasz Figa <tomasz.figa@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: samsung: mark PM functions as __maybe_unused

On Wed, Feb 1, 2017 at 5:16 PM, Arnd Bergmann <arnd@...db.de> wrote:

> The rework of the suspend/resume handling uses the wrong #ifdef check, leading
> to a build warning without CONFIG_PM_SLEEP:
>
> drivers/pinctrl/samsung/pinctrl-samsung.c:1142:12: error: 'samsung_pinctrl_resume' defined but not used [-Werror=unused-function]
> drivers/pinctrl/samsung/pinctrl-samsung.c:1092:12: error: 'samsung_pinctrl_suspend' defined but not used [-Werror=unused-function]
>
> Using a __maybe_unused annotation instead of the #ifdef is a simple way to
> avoid this problem class.
>
> Fixes: 2b24efa8e5c5 ("pinctrl: samsung: Replace syscore ops with standard platform device pm_ops")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Patch applied with Marek's ACK.

Yours,
Linus Walleij