David --
I've been using the USB gadget code to develop a driver for a NetChip 2280 device that runs linux. It is great-- thanks so much.
People do seem to be using it without any real trouble, which is a good thing! :)
In running the USBCV Chapter 9 compliance test (usb.org) and found that the net2280.c file has a bug that causes it to fail the HaltEndpointTest.
This test uses the SET_FEATURE and CLEAR_FEATURE requests to do ENDPOINT_HALT. However, the ENDPOINT_HALT selector is in the wValue field, not in wIndex as the net2280.c code assumes.
That would prevent it working for ep != 0 (== ENDPOINT_HALT), which matches a similar report I got. Linux has regression tests for ep0, but not (yet) other endpoints.
The attached tiny patch fixes this. It applies to the net2280.c in 2.5.70, but was actually generated from a version from a month or so ago.
Thanks! I hadn't had a chance to track it down that far. Assuming your patch checks out, I'll merge this along.
- Dave
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