The HC does not control bandwidth reclamation for low speed transfers. I
am not sure what happens in case of frame overrun (device stall, or
would that not matter in case of control endpoints?).
Nothing that serious. The HC won't let a transfer spill over into the
next frame. It'll just wait until the next frame and start the schedule
over again.
Does UHCI notice that while there's no time left for a lowspeed
transfer, there may be time for a high speed one ... and try
the high speed transfer?
Just curious. OHCI is supposed to do that. (EHCI doesn't have
such issues, it only ever talks high speed even when it goes
through a TT in some hub.)
- Dave
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