linux-kernel - Re: [PATCH 2/2] PM: fast power off

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Message-ID: <45BE31E7.6070802@mvista.com>
Date:	Mon, 29 Jan 2007 07:41:59 -1000
From:	akuster <akuster@...sta.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	linux-pm@...ts.osdl.org, Andrew Morton <akpm@...l.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] PM: fast power off - driver



Randy Dunlap wrote:
> On Sat, 27 Jan 2007 10:05:48 -1000 akuster wrote:
> 
>> My apologies, I cc'd the wrong list the first time around.
> 
> 
> +config FAST_POWER_DOWN
> +	tristate "Fast power of profile"
> ---------------------------> off
> 	What does that mean?  especially the "profile" part?
> 
> +	depends on FAST_POWER_OFF
> 
> 
> +	printk(KERN_INFO "PM: Fastpoweroff, %s profile added\n",fpo_default.name);
> 
> Space after "," please.

will correct

> 
> 
> OK, let me see if I understand fsd_default_off().
> 

<snipped.

> 
> Does this say (2) power off the system and then (3) power off devices?
yes,
> How does it power off devices after calling fastpoweroff()?

It does not, it was only a last ditch effort before losing power. I was 
on the fence whether to include that, easy to remove.

> Or is fastpoweroff() only setting the stage for something to
> happen later?

Nope.

Thanks for you time.
- Armin


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