linux-kernel - Re: [RESEND PATCH] gpio: xgene: mark PM functions as __maybe

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Message-ID: <CACRpkdaDX2ZqUxOHivyv98TuYjTjYSs3D7f43jd7T6jPvTQQKQ@mail.gmail.com>
Date:   Wed, 15 Mar 2017 14:47:36 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Alexandre Courbot <gnurou@...il.com>,
        Axel Lin <axel.lin@...ics.com>, Duc Dang <dhdang@....com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND PATCH] gpio: xgene: mark PM functions as __maybe_unused

On Tue, Mar 14, 2017 at 1:57 PM, Arnd Bergmann <arnd@...db.de> wrote:

> When CONFIG_PM_SLEEP is disabled, we get a warning about unused functions:
>
> drivers/gpio/gpio-xgene.c:155:12: warning: 'xgene_gpio_resume' defined but not used [-Wunused-function]
>  static int xgene_gpio_resume(struct device *dev)
>             ^~~~~~~~~~~~~~~~~
> drivers/gpio/gpio-xgene.c:142:12: warning: 'xgene_gpio_suspend' defined but not used [-Wunused-function]
>  static int xgene_gpio_suspend(struct device *dev)
>
> The warnings are harmless and can be avoided by simplifying the code and marking
> the functions as __maybe_unused.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> Originally submitted on Feb 17, but it ended up not getting merged into v4.11-rc2
> and is still needed there for randconfig builds

Yeah I have it queued but just too much to do. I hope to be able to
send a pull request for this & more soon.

Yours,
Linus Walleij