On Thu, Nov 11, 2010 at 11:15:38PM +0800, David Brownell wrote: > > > --- On Thu, 11/11/10, andy.luo <yifei.luo@xxxxxxxxx> wrote: > > > UDC may enter test mode if get > > SetFeature request, and such > > request can be made by libusb. But for hcd, I'm not sure > > if > > libusb has support to send SetPortFeature, > > It's just a control request like SetFeature. > So: yes, it has that support. (Why would it > create arbitrary and rude exceptions like not > being able to make that specificrequest??? > > > so maybe > > debugfs > > for ehci hcd test mode entry is also needed? > > Nope, not needed, don't go there. The clean > solution of just using control requests also > works on non-EHCI hardware, note ... Right, after well considered about it, the libusb should support it as well. So it's a much common and clean solution, thank your for your comments. -Andy -- 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
