Re: Solving suspend-level confusion

From: Nigel Cunningham
Date: Wed Aug 04 2004 - 00:09:18 EST


Hi.

On Wed, 2004-08-04 at 15:03, Benjamin Herrenschmidt wrote:
> On Wed, 2004-08-04 at 14:54, Nigel Cunningham wrote:
> > On Wed, 2004-08-04 at 14:52, Benjamin Herrenschmidt wrote:
> > > > Hmm. That's what I was doing and do do for the remainder of the devices.
> > > > Oh well. I'll give it a try again. What would 3 do? (There was a stage
> > > > when all three implementations used 3; I've just played sheep in
> > > > changing to 4).
> > >
> > > 3 would be S3 -> suspend to RAM. We may still want to fix drivers to
> > > pass 4 as a PCI state though ;)
> >
> > Okay. Wasn't sure whether it was D3 or S3 or something-else-3! I take it
> > the ide driver does the same thing for S3 and S4?
>
> That's where the whole confusion is indeed... and why we need to make
> that clear. The IDE driver will sleep the disk for 3 and keep it spinning
> for 4

Okee doke. Maybe I did the partial tree code before the switch from 3 to
4.

Nigel

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