On Wed, 24 Dec 2008, Zhang Rui wrote: > Then I have a question, what if the uchi_hcd is not loaded? > the ehci host controller doesn't work in this case? It does work. But it handles only high-speed devices; low-speed and full-speed devices will be ignored (unless they are connected through a high-speed hub). Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm