Re: [linux-pm] [PATCH 0/6] [-mm]: ACPI: duplicate ACPI procfs functions in sysfs

[David Brownell <david-b@pacbell.net>]

> > > I think we need to make /sys/power/state handle S1.
> > > 
> > > There are two cases
> > > 
> > > 1. Platform supports S1, but does not support S3.
> > > 
> > > This is more common.  You see this a lot on server-class machines.
> > > 
> > > We could make "mem" simply mean S1 here b/c it is effectively
> > > the closest thing to S3.

Today, this system would list "standby" in /sys/power/state,
but not "mem".  I have a system like that here ...


> > > 2. Platform supports both S1 and S3.
> > > 
> > > This is pretty rare -- at least on the systems I've got.
> > > I'd  like the generic interface be able to describe and handle this case.

Today, this system would list both "standby" and "mem"
in /sys/power/state.  I have a system like that here ...


      3. (ACPI) platform supports S3 but not S1

Today, this system would list "mem" in /sys/power/state,
but not "standby".  I have a system like that here ...



> > > I'm open to suggestions on what to call S1 if it isn't called "mem".
> > 
> > 'standby'? That's what occurs to me from previous M$ usage.
> 
> Yes, something like that, I think..

Good news ... it already works that way!!!  :)

- Dave