Re: [PATCH v2 18/30] mfd: wm8994: Remove #ifdef guards for PM related functions
From: Charles Keepax
Date: Mon Aug 22 2022 - 05:43:53 EST
On Mon, Aug 08, 2022 at 07:40:55PM +0200, Paul Cercueil wrote:
> Use the new RUNTIME_PM_OPS() and pm_ptr() macros to handle the
> .runtime_suspend/.runtime_resume callbacks.
>
> These macros allow the suspend and resume functions to be automatically
> dropped by the compiler when CONFIG_PM is disabled, without having
> to use #ifdef guards.
>
> This has the advantage of always compiling these functions in,
> independently of any Kconfig option. Thanks to that, bugs and other
> regressions are subsequently easier to catch.
>
> Note that this driver should probably use the new
> DEFINE_RUNTIME_DEV_PM_OPS() macro instead, which will provide
> .suspend/.resume callbacks, pointing to pm_runtime_force_suspend() and
> pm_runtime_force_resume() respectively; unless those callbacks really
> aren't needed.
>
> Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> ---
Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
Thanks,
Charles