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From: Pavel Machek <pavel@ucw.cz>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "Mauro Carvalho Chehab" <mchehab@kernel.org>,
	"Sakari Ailus" <sakari.ailus@linux.intel.com>,
	"Pali Rohár" <pali.rohar@gmail.com>,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] [media] ad5820: use __maybe_unused for PM functions
Date: Mon, 12 Sep 2016 19:52:08 +0200	[thread overview]
Message-ID: <20160912175207.GB8285@amd> (raw)
In-Reply-To: <20160912153322.3098750-1-arnd@arndb.de>

On Mon 2016-09-12 17:32:57, Arnd Bergmann wrote:
> The new ad5820 driver uses #ifdef to hide the suspend/resume functions,
> but gets it wrong when CONFIG_PM_SLEEP is disabled:
> 
> drivers/media/i2c/ad5820.c:286:12: error: 'ad5820_resume' defined but not used [-Werror=unused-function]
> drivers/media/i2c/ad5820.c:274:12: error: 'ad5820_suspend' defined but not used [-Werror=unused-function]
> 
> This replaces the #ifdef with a __maybe_unused annotation that is
> simpler and harder to get wrong, avoiding the warning.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Fixes: bee3d5115611 ("[media] ad5820: Add driver for auto-focus
coil")

Thanks!

Acked-by: Pavel Machek <pavel@ucw.cz>


-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2016-09-12 17:52 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-12 15:32 [PATCH 1/2] [media] ad5820: use __maybe_unused for PM functions Arnd Bergmann
2016-09-12 15:32 ` [PATCH 2/2] [media] atmel-isc: mark PM functions as __maybe_unused Arnd Bergmann
2016-09-13  2:11   ` Wu, Songjun
2016-09-12 17:52 ` Pavel Machek [this message]
2016-09-13  8:31   ` [PATCH 1/2] [media] ad5820: use __maybe_unused for PM functions Sakari Ailus

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