linux-kernel - Re: [PATCH] power: bq24190_charger: mark PM functions as __maybe

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Date:   Mon, 20 Mar 2017 20:55:56 -0700
From:   Mark Greer <mgreer@...malcreek.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Tony Lindgren <tony@...mide.com>,
        Liam Breck <liam@...workimprov.net>,
        Mark Greer <mgreer@...malcreek.com>,
        Colin Ian King <colin.king@...onical.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] power: bq24190_charger: mark PM functions as
 __maybe_unused

On Mon, Mar 20, 2017 at 02:14:15PM +0100, Arnd Bergmann wrote:
> Without CONFIG_PM, we get a harmless warning:
> 
> drivers/power/supply/bq24190_charger.c:1514:12: error: 'bq24190_runtime_resume' defined but not used [-Werror=unused-function]
> drivers/power/supply/bq24190_charger.c:1501:12: error: 'bq24190_runtime_suspend' defined but not used [-Werror=unused-function]
> 
> To avoid the warning, we can mark all four PM functions as __maybe_unused,
> which also lets us remove the incorrect #ifdef.
> 
> Fixes: 3d8090cba638 ("power: bq24190_charger: Check the interrupt status on resume")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---

Probably too late but if it isn't...

Acked-by: Mark Greer <mgreer@...malcreek.com>