EHCI_PIPE_STATE_CLOSE
pp->pp_state = EHCI_PIPE_STATE_CLOSE;
rh_ctrl_pipe_state != EHCI_PIPE_STATE_CLOSE);
ehcip->ehci_root_hub.rh_ctrl_pipe_state = EHCI_PIPE_STATE_CLOSE;
rh_intr_pipe_state != EHCI_PIPE_STATE_CLOSE);
ehcip->ehci_root_hub.rh_intr_pipe_state = EHCI_PIPE_STATE_CLOSE;
case EHCI_PIPE_STATE_CLOSE:
case EHCI_PIPE_STATE_CLOSE: