On Mon, 1 Jul 2013, ZhenHua wrote: > Let's make it clear: > I said "I don't have a machine that this makes action different", > it does not mean my patch "did not make the machine act different ". Of course. > There are many kinds of machines, I have never said "my patch does > not make ALL of them act different". But does it make a difference on _any_ machine? There is a good reason for asking this question. The "auto-stopp" mechanism in uhci-hcd was intended to be a temporary measure. It isn't needed now that we have runtime PM. Adding a patch just to make it work on a few systems doesn't seem worthwhile -- we would be better off removing it entirely. 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