UHCI_TD_BITSTUFF  149 dev/usb/uhcireg.h #define UHCI_TD_BITSTUFF	0x00020000
UHCI_TD_BITSTUFF  179 dev/usb/uhcireg.h #define UHCI_TD_ERROR (UHCI_TD_BITSTUFF|UHCI_TD_CRCTO|UHCI_TD_BABBLE|UHCI_TD_DBUFFER|UHCI_TD_STALLED)