linux-kernel - Re: [PATCH v2] PM: Add missing "freeze" state

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Date:	Tue, 11 Mar 2014 16:41:58 +0530
From:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...ux-m68k.org>
Subject: Re: [PATCH v2] PM: Add missing "freeze" state

On 03/11/2014 04:38 PM, Geert Uytterhoeven wrote:
> From: Geert Uytterhoeven <geert+renesas@...ux-m68k.org>
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...ux-m68k.org>

Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com>

Regards,
Srivatsa S. Bhat

> ---
> v2:
>   - Update comments for state_show() as suggested by Srivatsa S. Bhat
>     <srivatsa.bhat@...ux.vnet.ibm.com>
> 
>  Documentation/ABI/testing/sysfs-power |    5 +++--
>  kernel/power/main.c                   |    4 ++--
>  2 files changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/ABI/testing/sysfs-power b/Documentation/ABI/testing/sysfs-power
> index 205a73878441..64c9276e9421 100644
> --- a/Documentation/ABI/testing/sysfs-power
> +++ b/Documentation/ABI/testing/sysfs-power
> @@ -12,8 +12,9 @@ Contact:	Rafael J. Wysocki <rjw@...ysocki.net>
>  Description:
>  		The /sys/power/state file controls the system power state.
>  		Reading from this file returns what states are supported,
> -		which is hard-coded to 'standby' (Power-On Suspend), 'mem'
> -		(Suspend-to-RAM), and 'disk' (Suspend-to-Disk).
> +		which is hard-coded to 'freeze' (Low-Power Idle), 'standby'
> +		(Power-On Suspend), 'mem' (Suspend-to-RAM), and 'disk'
> +		(Suspend-to-Disk).
> 
>  		Writing to this file one of these strings causes the system to
>  		transition into that state. Please see the file
> diff --git a/kernel/power/main.c b/kernel/power/main.c
> index 1d1bf630e6e9..6271bc4073ef 100644
> --- a/kernel/power/main.c
> +++ b/kernel/power/main.c
> @@ -282,8 +282,8 @@ struct kobject *power_kobj;
>   *	state - control system power state.
>   *
>   *	show() returns what states are supported, which is hard-coded to
> - *	'standby' (Power-On Suspend), 'mem' (Suspend-to-RAM), and
> - *	'disk' (Suspend-to-Disk).
> + *	'freeze' (Low-Power Idle), 'standby' (Power-On Suspend),
> + *	'mem' (Suspend-to-RAM), and 'disk' (Suspend-to-Disk).
>   *
>   *	store() accepts one of those strings, translates it into the
>   *	proper enumerated value, and initiates a suspend transition.
> 

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