From: Sarah Sharp
...
> If it really matters that a driver be able to get an immediate -EPIPE
> response back from a device when the endpoint is halted, I can rip the
> code out of xhci_endpoint_reset() and make the driver manually clean up
> the ring at the time of the stall, like it does for control endpoints
> and babble/transfer/split TX errors. If it doesn't matter, test #13
> should be changed to only submit one URB and get back an -EPIPE
> response.
Remember that drivers like usbnet leave urb active on inbound endpoints
all the time - and need to be able to queue them all the time.
I've certainly seen the "WARN halted endpoint, queueing URB anyway."
message while testing the ac88179_178a driver with no ill effects.
David
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