On Thursday 26 July 2012 17:47:11 Alan Stern wrote:
> >   * Is there a USB controller with scheduling in current microframe?
> 
> They all do it.  But they won't generate completion IRQs any faster 
> than 8 KHz.

Hi,

Maybe a bit off-topic: I've noticed that if you STALL a USB transfer, this 
rule might not apply. Anyway, STALL is not considered a successful completion. 
Abusing STALL PID to get higher IRQ rates for the EHCI/XHCI is more or less a 
hack :-)

--HPS
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