Re: Runtime resume of children

[Oliver Neukum <oliver@neukum.org>]

Am Mittwoch, 25. November 2009 21:46:14 schrieb Alan Stern:
> On Wed, 25 Nov 2009, Oliver Neukum wrote:
> > Am Montag, 23. November 2009 21:59:12 schrieb Alan Stern:

> > > Correct.  It's a specific case that I need to handle for USB.
> >
> > Hm. In which way is this different from a system where devices
> > share clock lines? It seems to me that groups of devices that
> > can be suspended only together are not rare. That in USB these
> > devices happen to be all a device's interfaces does not really
> > matter.
> 
> That's not a good example because there's nothing wrong with suspending
> some of the devices while leaving the clock and the others running.
> You'll have to search harder to find a group of devices which really do
> need to be suspended all together.

True, so think about a shared switchable power line. But that's the
way of the future.

	Regards
		Oliver