On Mon, 12 Mar 2012, Paul Zimmerman wrote: > This adds support for isochronous endpoints to gadget zero and > the usbtest module. > > We have used something similar to this for testing our super > speed device and host controllers, but it would be easier (and > require less support) to have this in the mainline kernel. > > Does this look like the right approach? I know the zero gadget > is supposed to be very simple, and this complicates it a bit. > But making a separate gadget for this would require duplicating > quite a bit of code, I think. At least I don't see a clean way > to make the isoc support modular and optional. > > I have tested this with the Synopsys device and host, at high > speed and super speed. It still needs testing with a UDC that > doesn't support super speed or isoc, to make sure the simple > case is not broken. > > Comments? Wasn't something like this discussed (and patches submitted) a long time ago? I don't remember what happened with them. Anyway, it's possible to do this sort of testing already by using gadgetfs with the "usb.c" test program, if you compile it with the -DAIO option. Alan Stern -- 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
