Re: [PATCH] mmc: sunxi: mark PM functions as __maybe_unused

From: Maxime Ripard
Date: Mon May 28 2018 - 02:50:57 EST


On Fri, May 25, 2018 at 11:07:42PM +0200, Arnd Bergmann wrote:
> The newly added runtime-pm functions cause a harmless warning
> when CONFIG_PM is disabled:
>
> drivers/mmc/host/sunxi-mmc.c:1452:12: error: 'sunxi_mmc_runtime_suspend' defined but not used [-Werror=unused-function]
> static int sunxi_mmc_runtime_suspend(struct device *dev)
> ^~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/mmc/host/sunxi-mmc.c:1435:12: error: 'sunxi_mmc_runtime_resume' defined but not used [-Werror=unused-function]
> static int sunxi_mmc_runtime_resume(struct device *dev)
>
> This marks them as __maybe_unused to shut up the warning.
>
> Fixes: 9a8e1e8cc2c0 ("mmc: sunxi: Add runtime_pm support")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>

Thanks!
Maxime

--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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