linux-kernel - Re: [PATCH v2 18/45] riscv: Use do_kernel_power

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Message-ID: <mhng-fd8f451c-4860-4b0c-a155-6f65891cd276@palmerdabbelt-glaptop>
Date:   Wed, 27 Oct 2021 16:09:07 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     digetx@...il.com
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Subject:     Re: [PATCH v2 18/45] riscv: Use do_kernel_power_off()

On Wed, 27 Oct 2021 14:16:48 PDT (-0700), digetx@...il.com wrote:
> Kernel now supports chained power-off handlers. Use do_kernel_power_off()
> that invokes chained power-off handlers. It also invokes legacy
> pm_power_off() for now, which will be removed once all drivers will
> be converted to the new power-off API.
>
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---
>  arch/riscv/kernel/reset.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/arch/riscv/kernel/reset.c b/arch/riscv/kernel/reset.c
> index 9c842c41684a..912288572226 100644
> --- a/arch/riscv/kernel/reset.c
> +++ b/arch/riscv/kernel/reset.c
> @@ -23,16 +23,12 @@ void machine_restart(char *cmd)
>
>  void machine_halt(void)
>  {
> -	if (pm_power_off != NULL)
> -		pm_power_off();
> -	else
> -		default_power_off();
> +	do_kernel_power_off();
> +	default_power_off();
>  }
>
>  void machine_power_off(void)
>  {
> -	if (pm_power_off != NULL)
> -		pm_power_off();
> -	else
> -		default_power_off();
> +	do_kernel_power_off();
> +	default_power_off();
>  }

Acked-by: Palmer Dabbelt <palmer@...belt.com>