Re: [RFC] dynamic device power management proposal

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Am Donnerstag, 22. März 2007 15:22 schrieb Pavel Machek:
> On Thu 2007-03-22 15:18:34, Oliver Neukum wrote:
> > Am Donnerstag, 22. März 2007 14:56 schrieb Pavel Machek:

> > > Well, you should have audited USB drivers when enabling autosuspend...
> > > But I believe you did that so you are pretty much okay.
> > 
> > We audited them. Respectively, are auditing them.
> 
> Ok. (It would be nice to document 'USB suspend/resume routines are
> called during runtime, too' somewhere.

OK.

> > > (With autosuspend, you can get situation when request from userland
> > > comes in even when device is suspended; some devices will need
> > > fixing).
> > 
> > Currently, such requests are ignored. Is there any problem with that?
> 
> You should probably autowake such device, no?

Sorry, I misunderstood. IO requests wake an autosuspended device.
A system wide suspend is ignored, if the device is already suspended.

	Regards
		Oliver

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