linux-kernel - Re: [RFC PATCH 10/16] mips: support poweroff through poweroff handler call chain

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Message-ID: <20141001133238.GJ19854@linux-mips.org>
Date:	Wed, 1 Oct 2014 15:32:39 +0200
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-c6x-dev@...ux-c6x.org,
	linux-ia64@...r.kernel.org, linux-metag@...r.kernel.org,
	linux-mips@...ux-mips.org, linux-parisc@...r.kernel.org,
	linux-sh@...r.kernel.org, xen-devel@...ts.xenproject.org
Subject: Re: [RFC PATCH 10/16] mips: support poweroff through poweroff
 handler call chain

On Tue, Sep 30, 2014 at 11:00:50AM -0700, Guenter Roeck wrote:

> The kernel core now supports a poweroff handler call chain
> to remove power from the system. Call it if pm_power_off
> is set to NULL.
> 
> Cc: Ralf Baechle <ralf@...ux-mips.org>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> ---
>  arch/mips/kernel/reset.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/mips/kernel/reset.c b/arch/mips/kernel/reset.c
> index 07fc524..c3391d7 100644
> --- a/arch/mips/kernel/reset.c
> +++ b/arch/mips/kernel/reset.c
> @@ -41,4 +41,6 @@ void machine_power_off(void)
>  {
>  	if (pm_power_off)
>  		pm_power_off();
> +	else
> +		do_kernel_poweroff();

I'm happy with this as long as in a later version pm_power_off indeed
goes away.

  Ralf
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