linux-kernel - Re: [PATCH][RFC] Kill off legacy power management stuff.

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Date:	Fri, 13 Apr 2007 04:50:49 -0400 (EDT)
From:	"Robert P. J. Day" <rpjday@...dspring.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH][RFC] Kill off legacy power management stuff.

On Fri, 13 Apr 2007, Stephen Rothwell wrote:

> On Fri, 13 Apr 2007 04:20:10 -0400 (EDT) "Robert P. J. Day" <rpjday@...dspring.com> wrote:
> >
> > On Fri, 13 Apr 2007, Stephen Rothwell wrote:
> > >
> > > One thing that comes to mind is that you will need some way to make sure
> > > that only one of ACPI and APM get initialized ...
> >
> > i don't see how that has anything to do with removing legacy PM
> > support.  you can select both ACPI and APM *now*.  if that's a bad
> > thing, then fixing it is a completely independent issue.
>
> Except your patch removes this hunk:
>
> @@ -2264,14 +2248,6 @@ static int __init apm_init(void)
>  		apm_info.disabled = 1;
>  		return -ENODEV;
>  	}
> -	if (PM_IS_ACTIVE()) {
> -		printk(KERN_NOTICE "apm: overridden by ACPI.\n");
> -		apm_info.disabled = 1;
> -		return -ENODEV;
> -	}
> -#ifdef CONFIG_PM_LEGACY
> -	pm_active = 1;
> -#endif
>
> in apm.c and a similar piece of the ACPI initialisation that
> prevented one initialising if the other had already initialised.

ah, gotcha.  i'll take a closer look at that once in land in sunny
california.  but not right away.  :-)

rday
-- 
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

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