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SubjectRe: [RFC] Fix Device Power Management States

> > > Aha, so you are saying these do not need to be done in hardware order?
> >
> > AFAICT, no.
> As stated in my previous mail, I don't agree here... there are
> dependencies that cannot be dealt otherwise. USB was an example
> (ieee1394 is another), IDE is one, SCSI, i2c, whatever ...
> Of course, if we consider those "bus" drivers not to have class
> and thus not to be stopped and only the "leaf" devices to get stopped,
> that may work... I'm not sure we are not missing something there
> though...

Stopping only leafs is *not* enough as usb host controllers do DMA.

Horseback riding is like software...
...vgf orggre jura vgf serr.
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