Re: Nested suspends; messages vs. states

Benjamin Herrenschmidt
2005-03-24T06:02:03Z

[-- Attachment #1: Type: text/plain, Size: 593 bytes --]

> That's a different example though: you've given the host controller
> flexibility. You have _not_ hogtied it.
>
> The model we seem to be aiming towards in USB land is a bit different
> than that though. When autosuspend is the goal, it bubbles up from
> the bottom ... nodes (like HC) don't force children into idle, they
> wait for the children to idle themselves and then take the opportunity
> to snooze themselves. That's a model with wide applicability...

It is, though it requires every children driver to have an idle
mecanism ... do you think that will work in practice ?