Re: suspend to disk modes, default mode

[Pavel Machek <pavel@ucw.cz>]

Hi!

> > > Maybe we just need a pm_disk_modes bitmap and a default_pm_disk_mode
> > > member in struct pm_ops instead? What's firmware vs. platform anyway?
> > 
> > bitmap would be nice. Firmware used to mean "let the bios do the whole
> > suspend", platform means "linux does the suspend, but we tell bios we
> > are doing it", shutdown means "linux does the suspend, does not tell
> > anyone".
> 
> Well, actually, "let the bios do the whole suspend" should be
> implemented by a new PM_SUSPEND_FIRMWAREDISK mode that can be used
> instead of "disk" and is invoked through pm_ops directly w/o hitting the
> disk.c code. That would be the right way to invoke such a mode, however,
> currently, no platforms even have such a mode as far as I can tell.

Yes, ignore that. (ACPI can do that in S4bios case. I used to have
machine where it actually worked. It is obscure corner case these days).
									Pavel
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