Re: [PATCH v2] arch: consolidate pm_power_off callback

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On Sun, Dec 27, 2020 at 03:01:28PM +0100, Enrico Weigelt, metux IT consult wrote:
> Move the pm_power_off callback into one global place and also add an
> function for conditionally calling it (when not NULL), in order to remove
> code duplication in all individual archs.
> 
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Enrico Weigelt, metux IT consult <info@xxxxxxxxx>

[...]

> diff --git a/kernel/reboot.c b/kernel/reboot.c
> index eb1b15850761..ec4cd66dd1ae 100644
> --- a/kernel/reboot.c
> +++ b/kernel/reboot.c
> @@ -53,6 +53,16 @@ int reboot_force;
>  void (*pm_power_off_prepare)(void);
>  EXPORT_SYMBOL_GPL(pm_power_off_prepare);
>  
> +void (*pm_power_off)(void);
> +EXPORT_SYMBOL_GPL(pm_power_off);
> +
> +void do_power_off(void)
> +{
> +	if (pm_power_off)
> +		pm_power_off();
> +}
> +EXPORT_SYMBOL_GPL(do_power_off);

Could this just live as a static inline in pm.h to avoid having to export
the extra symbol?

Will



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