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

From: Robert P. J. Day
Date: Fri Apr 13 2007 - 04:52:32 EST


On Fri, 13 Apr 2007, Stephen Rothwell wrote:

> On Fri, 13 Apr 2007 04:20:10 -0400 (EDT) "Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx> 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
--
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Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

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