Symbol: DRIVER_SMBUS
sys/bus/smbus/ichsmb/ichsmb.c
114
if ((sc->smb = device_add_child(dev, DRIVER_SMBUS, -1)) == NULL) {
sys/bus/smbus/ichsmb/ichsmb.c
115
device_printf(dev, "no \"%s\" child found\n", DRIVER_SMBUS);