Symbol: DZ_MODEM
drivers/tty/serial/dz.c
309
if (dport->port.line != DZ_MODEM)
drivers/tty/serial/dz.c
359
if (dport->port.line == DZ_MODEM) {
drivers/tty/serial/dz.c
375
if (dport->port.line == DZ_MODEM) {