Re: [ACPI] Re: [2.5.50, ACPI] link error

Ducrot Bruno (ducrot@poupinou.org)
Fri, 6 Dec 2002 19:57:02 +0100


On Fri, Dec 06, 2002 at 01:06:18AM +0100, Pavel Machek wrote:
> Hi!
>
> > > > Doesn't that imply your fix is broken to begin with?
> > >
> > > ACPI/S4 support needs swsusp. ACPI/S3 needs big part of
> > > swsusp. Splitting CONFIG_ACPI_SLEEP to S3 and S4 part seems like
> > > overdesign to me, OTOH if you do the work it is okay with me.
> >
> > You broke the design. S3 support was developed long before swsusp was in
> > the kernel, and completely indpendent of it. It should have remained that
> > way.
> >
> > S3 support is a subset of what is need for S4 support.
>
> That's not true. acpi_wakeup.S is nasty piece of code, needed for S3
> but not for S4. Big part of driver support is only needed for S3.
>
> > swsusp is an implementation of S4 support. In theory, there could be
> > multiple implementations that all use the same core (saving/restoring
> > state).
>
> There were patches for S4bios floating around, but it never really
> worked, IIRC.

No. It work. I do not resubmmited patches because I think that
swsusp is better.

-- 
Ducrot Bruno

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