OHCI_ITD_SET_DI  3261 dev/usb/ohci.c 				OHCI_ITD_SET_DI(6) | /* delay intr a little */
OHCI_ITD_SET_DI  3289 dev/usb/ohci.c 		OHCI_ITD_SET_DI(0) |
OHCI_ITD_SET_DI   211 dev/usb/ohcireg.h #define OHCI_ITD_SET_DI(x)	((x) << 21)