On Mon, 4 May 2020, Andrey Konovalov wrote: > One more question (sorry for so many :). > > Looking at other fields of usb_request struct I see frame_number. > AFAIU it's filled in by the UDC driver for ISO transfers. Does it make > sense to expose it to userspace? I don't see any composite/legacy > gadgets use that field at all. Do any of those gadget drivers use isochronous endpoints? In fact, it also looks like none of the drivers in gadget/udc/ touch the frame_number field. Maybe we should just get rid of it, since it isn't being used. Felipe, any preference? Alan Stern
