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SubjectRe: Solving suspend-level confusion
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On Wed, 2004-08-04 at 14:54, Nigel Cunningham wrote:
> Hi again.
>
> 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

Ben.


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