Subject: [PATCH 3/3] drm: arm-hdlcd: fix build warnings for !CONFIG_PM

From: [email-masked] (Thierry Reding)
Date: Mon, 4 Jan 2016 09:24:32 +0100

On Fri, Jan 01, 2016 at 03:39:17PM +0100, Arnd Bergmann wrote:
> The hdlcd_pm_suspend and hdlcd_pm_resume are intentionally unused
> when CONFIG_PM is not set in this driver, and we get a compiler warning
> for this:
> 
> drivers/gpu/drm/arm/hdlcd_drv.c:521:12: warning: 'hdlcd_pm_suspend' defined but not used [-Wunused-function]
> drivers/gpu/drm/arm/hdlcd_drv.c:536:12: warning: 'hdlcd_pm_resume' defined but not used [-Wunused-function]
> 
> This adds a __maybe_unused annotation for the two functions, to let
> the compiler know this is the intended behavior. This is better than
> an #ifdef as it improves the compile time coverage of the code and it
> looks nicer.
> 
> Signed-off-by: Arnd Bergmann <[email-masked]>

Reviewed-by: Thierry Reding <[email-masked]>
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