Symbol: CHNCTL_HW_FLOW
sys/dev/pci/cz.c
1414
CZTTY_CHAN_WRITE(sc, CHNCTL_HW_FLOW, sc->sc_chanctl_hw_flow);
sys/dev/pci/cz.c
428
CZTTY_CHAN_WRITE(sc, CHNCTL_HW_FLOW, C_RS_CTS | C_RS_RTS);