[PATCH] um: register power-off handler

[Anton Ivanov]

On 03/07/2024 16:38, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg at intel.com>
> 
> Otherwise we always get
> 
>   reboot: Power off not available: System halted instead
> 
> which is really quite pointless.
> 
> Signed-off-by: Johannes Berg <johannes.berg at intel.com>
> ---
>   arch/um/kernel/reboot.c | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
> 
> diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
> index 25840eee1068..3736bca626ba 100644
> --- a/arch/um/kernel/reboot.c
> +++ b/arch/um/kernel/reboot.c
> @@ -59,3 +59,18 @@ void machine_halt(void)
>   {
>   	machine_power_off();
>   }
> +
> +static int sys_power_off_handler(struct sys_off_data *data)
> +{
> +	machine_power_off();
> +	return 0;
> +}
> +
> +static int register_power_off(void)
> +{
> +	register_sys_off_handler(SYS_OFF_MODE_POWER_OFF,
> +				 SYS_OFF_PRIO_DEFAULT,
> +				 sys_power_off_handler, NULL);
> +	return 0;
> +}
> +__initcall(register_power_off);

Anton Ivanov <anton.ivanov at cambridgegreys.com>

-- 
Anton R. Ivanov
https://www.kot-begemot.co.uk/