On Thu, 2017-06-08 at 11:30 -0400, Alan Stern wrote:
> On Thu, 8 Jun 2017, Benjamin Herrenschmidt wrote:
> 
> > Another question ...
> > 
> > Do i need to support dequeue() on EP0 ?
> 
> Yes.  I don't know if any drivers ever dequeue requests from ep0, but 
> it should be supported.
> 
> There is one other special requirement for ep0.  When a new setup
> packet arrives, any previously queued requests should be cancelled
> automatically.

Yup. It also doesn't stay stalled and only supports a single request in
the queue, in that regard I have just "copied" other drivers ;-)

Cheers,
Ben.
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