Hi, On Wed, Jun 22, 2011 at 06:26:36PM +0400, Dmitry Eremin-Solenikov wrote: > >You could use osme VBUS IRQ to toggle a driver flag which, if true, > >would return -EBUSY on suspend(). > > I'm more and more thinking that this handling this -EBUSY isn't a > task of gpio-vbus, but rather of some higher level driver. I'd assume > that > if I hit this point, all previous drivers (which depend on this > transceiver, so registered later) permit suspending at this moment, > so everything is OK :) the thing is that today we don't have the "higher level driver" see that the OTG/transceiver framework (if you can call it a framework) is just a static global pointer which people set. So, you need to have per-transceiver solutions, unfortunately :-( > >>I agree with you generally, but I'd like to hear any suggestions. > > > >I'm not sure how to solve this, but OTOH the original code already did > >this, just on a different way, right ? > > Yes. pxa27x udc driver disables D+ pullup on suspend and that's the > behaviour asked from me by Robert Jarzmik in comments to first > cleanup patch serie for pxa27x UDC driver. ok... so, go ahead but keep in mind you could end up in a bad situation ;-) -- balbi
Attachment:
signature.asc
Description: Digital signature
