On Sat, 2017-05-27 at 21:58 -0400, Alan Stern wrote: > The interfaces required for a UDC driver are explained to some extent > by the kerneldoc in include/linux/usb/gadget.h. For anything you still > don't understand, feel free to ask on this mailing list. It's missing docs for the udc callbacks :-) One quick question: ->set_halt, when called for clearing a stall (when does that happen btw ? I though only the host would do that), should it also reset the data toggle like a CLEAR_FEATURE would do ? Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html