Re: Explicit status-stage requests for USB gadgets

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Hi Alan,

Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> writes:
> I finally took the time to put more work into the explicit-status-stage
> project.  Now I've got patches adding support to both dummy-hcd and
> net2280.  (The two patches for net2280 I sent earlier today address
> unrelated issues that turned up while this work was under way.)  Along
> with Paul's work on musb, it seems like a good start and worth merging.

Thanks for doing all the work.

> Getting someone to do the same for dwc2 and dwc3 shouldn't be very 
> hard, but they are out of my ballpark.

I can do dwc3, no problem.

> Paul, there is one change I think we should make to your original core
> patch.  usb_gadget_control_complete() should not check request->length,
> because it has to be possible for a gadget driver to send a zero-length
> reply as the data stage for a control-IN request and still get an 
> implicit status-stage request.
>
> Aside from that, everything seems to be ready to move forward.
>
> Felipe, any comments?

I haven't had time to look at the patches yet due to some internal
projects happening at this moment. I'll try to get to them still this
week.

-- 
balbi

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