Re: [PATCH 44/44] kernel: Remove pm_power_off

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On Monday, October 06, 2014 10:28:46 PM Guenter Roeck wrote:
> No users of pm_power_off are left, so it is safe to remove the function.
> 
> Cc: Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>
> Cc: Pavel Machek <pavel@xxxxxx>
> Cc: Len Brown <len.brown@xxxxxxxxx>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>

ACK

> ---
>  include/linux/pm.h              |  1 -
>  kernel/power/poweroff_handler.c | 10 +---------
>  2 files changed, 1 insertion(+), 10 deletions(-)
> 
> diff --git a/include/linux/pm.h b/include/linux/pm.h
> index 45271b5..fce7645 100644
> --- a/include/linux/pm.h
> +++ b/include/linux/pm.h
> @@ -31,7 +31,6 @@
>  /*
>   * Callbacks for platform drivers to implement.
>   */
> -extern void (*pm_power_off)(void);
>  extern void (*pm_power_off_prepare)(void);
>  
>  /*
> diff --git a/kernel/power/poweroff_handler.c b/kernel/power/poweroff_handler.c
> index 96f59ef..01a3a39 100644
> --- a/kernel/power/poweroff_handler.c
> +++ b/kernel/power/poweroff_handler.c
> @@ -20,12 +20,6 @@
>  #include <linux/types.h>
>  
>  /*
> - * If set, calling this function will power off the system immediately.
> - */
> -void (*pm_power_off)(void);
> -EXPORT_SYMBOL(pm_power_off);
> -
> -/*
>   *	Notifier list for kernel code which wants to be called
>   *	to power off the system.
>   */
> @@ -163,8 +157,6 @@ int register_poweroff_handler_simple(void (*handler)(void), int priority)
>   */
>  void do_kernel_poweroff(void)
>  {
> -	if (pm_power_off)
> -		pm_power_off();
>  	atomic_notifier_call_chain(&poweroff_handler_list, 0, NULL);
>  }
>  
> @@ -175,6 +167,6 @@ void do_kernel_poweroff(void)
>   */
>  bool have_kernel_poweroff(void)
>  {
> -	return pm_power_off != NULL || poweroff_handler_list.head != NULL;
> +	return poweroff_handler_list.head != NULL;
>  }
>  EXPORT_SYMBOL(have_kernel_poweroff);
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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