Symbol: UNKNOWN_DEV
drivers/tty/serial/8250/8250_pnp.c
362
{ "PNPCXXX", UNKNOWN_DEV },
drivers/tty/serial/8250/8250_pnp.c
364
{ "PNPDXXX", UNKNOWN_DEV },
drivers/tty/serial/8250/8250_pnp.c
441
if (flags & UNKNOWN_DEV) {