OHCI_PERIODIC_START  836 dev/usb/ohci.c 	OWRITE4(sc, OHCI_PERIODIC_START, per);
OHCI_PERIODIC_START 1024 dev/usb/ohci.c 		OWRITE4(sc, OHCI_PERIODIC_START, OHCI_PERIODIC(sc->sc_ival));
OHCI_PERIODIC_START 1067 dev/usb/ohci.c 		 OREAD4(sc, OHCI_PERIODIC_START),