Hi! > > The frequency of entering this state should not interfere with my active > > use case. > > > > -B- After I've put down the USB device, I now can program the internal > > SOC bus wrapper for the USB to allow idling of the interconnect. I also > > need to associate the USB remote wake interrupt with a wake up interrupt > > to restart my interconnect. All devices on that interconnect must be in > > the same state for the big savings to happen. > > > > Certainly for this embedded system, not coordinating the device states > > means I can't get the big power savings. > > Part of this programming has to be done in the architecture-specific > driver for the interconnect. There already is code being developed to > suspend USB buses when they aren't in use (although determining _when_ > they aren't in use has not yet been implemented). However this code > stops Are there some patches to test? I'd like to power down USB bus, even when it has device connected (I do not user fingerprint scanner that much). Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
