# Re: \[PATCH 03/44\] hibernate: Call have\_kernel\_poweroff instead of checking pm\_power\_off

- From: Pavel Machek \<hidden\>
- Date: 2014-10-09 10:33:06 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2014/10/4349903
- Thread: https://ratatoskr.run/linux-devicetree/2014/10/8098098/t/2.md

```text
On Mon 2014-10-06 22:28:05, Guenter Roeck wrote:
> Poweroff handlers may now be installed with register_poweroff_handler.
> Use the new API function have_kernel_poweroff to determine if a poweroff
> handler has been installed.
> 
> Cc: Rafael J. Wysocki <redacted>
> Cc: Pavel Machek <redacted>
> Cc: Len Brown <redacted>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
>  kernel/power/hibernate.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
> index a9dfa79..20353c5 100644
> --- a/kernel/power/hibernate.c
> +++ b/kernel/power/hibernate.c
> @@ -602,7 +602,7 @@ static void power_down(void)
>  	case HIBERNATION_PLATFORM:
>  		hibernation_platform_enter();
>  	case HIBERNATION_SHUTDOWN:
> -		if (pm_power_off)
> +		if (have_kernel_poweroff())
>  			kernel_power_off();
>  		break;

poweroff -> power_off.

But if you are playing with this, anyway... does it make sense to
introduce kernel_power_off() that just works, no need to check
have_..?
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
```