From: sre@kernel.org (Sebastian Reichel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 04/14] power: pm2301-charger: use __maybe_unused to hide pm functions
Date: Thu, 3 Mar 2016 15:23:42 +0100 [thread overview]
Message-ID: <20160303142342.GG29689@earth> (raw)
In-Reply-To: <1456934350-1389172-5-git-send-email-arnd@arndb.de>
Hi,
On Wed, Mar 02, 2016 at 04:58:56PM +0100, Arnd Bergmann wrote:
> The pm2301 charger driver uses nested #ifdefs to check for both
> CONFIG_PM and CONFIG_PM_SLEEP in an attempt to hide its
> suspend and runtime-pm operations when they are unused, but
> it does not hide the clear_lpn_pin() function in the same
> way, so we get a build warning when everything is
> disabled:
>
> drivers/power/pm2301_charger.c:123:13: error: 'clear_lpn_pin' defined but not used [-Werror=unused-function]
>
> This removes all the #ifdef and instead uses __maybe_unused
> annotations to let the compiler know it can silently drop
> the function definition.
>
> For the PM2XXX_PM_OPS, we can use an IS_ENABLED() check
> to avoid defining the structure when CONFIG_PM is not set without
> the #ifdef.
Thanks, queued.
-- Sebastian
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next prev parent reply other threads:[~2016-03-03 14:23 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-02 15:58 [PATCH 00/14] drivers: use __maybe_unused to hide pm functions Arnd Bergmann
2016-03-02 15:58 ` [PATCH 01/14] pinctrl: at91: " Arnd Bergmann
2016-03-02 16:06 ` Nicolas Ferre
2016-03-02 16:47 ` Ludovic Desroches
2016-03-09 4:09 ` Linus Walleij
2016-03-02 15:58 ` [PATCH 02/14] irqchip: st: use __maybe_unused to hide st_irq_syscfg_resume Arnd Bergmann
2016-03-02 15:58 ` [PATCH 03/14] power: ipaq-micro-battery: use __maybe_unused to hide pm functions Arnd Bergmann
2016-03-03 14:23 ` Sebastian Reichel
2016-03-02 15:58 ` [PATCH 04/14] power: pm2301-charger: " Arnd Bergmann
2016-03-03 14:23 ` Sebastian Reichel [this message]
2016-03-02 15:58 ` [PATCH 05/14] mfd: ipaq-micro: " Arnd Bergmann
2016-03-08 4:27 ` Lee Jones
2016-03-02 15:58 ` [PATCH 06/14] dma: sirf: " Arnd Bergmann
2016-03-03 3:47 ` Vinod Koul
2016-03-03 12:33 ` Arnd Bergmann
2016-03-04 15:02 ` Vinod Koul
2016-03-02 15:58 ` [PATCH 07/14] hw_random: exynos: " Arnd Bergmann
2016-03-02 23:43 ` Krzysztof Kozlowski
2016-03-11 13:31 ` Herbert Xu
2016-03-02 15:59 ` [PATCH 08/14] scsi: mvumi: " Arnd Bergmann
2016-03-03 8:30 ` Johannes Thumshirn
2016-03-05 22:08 ` Martin K. Petersen
2016-03-02 15:59 ` [PATCH 09/14] amd-xgbe: " Arnd Bergmann
2016-03-02 15:59 ` [PATCH 10/14] wireless: cw1200: use __maybe_unused to hide pm functions_ Arnd Bergmann
2016-03-08 10:33 ` [10/14] " Kalle Valo
2016-03-02 15:59 ` [PATCH 11/14] input: spear-keyboard: use __maybe_unused to hide pm functions Arnd Bergmann
2016-03-02 17:12 ` Dmitry Torokhov
2016-03-02 15:59 ` [PATCH 12/14] keyboard: snvs-pwrkey: " Arnd Bergmann
2016-03-02 16:04 ` Frank Li
2016-03-02 17:12 ` Dmitry Torokhov
2016-03-02 15:59 ` [PATCH 13/14] [media] omap3isp: use IS_ENABLED() " Arnd Bergmann
2016-03-02 15:59 ` [PATCH 14/14] ASoC: rockchip: use __maybe_unused to hide st_irq_syscfg_resume Arnd Bergmann
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