//sys/bus/platform/drivers/serial8250/serial8250/tty:ttyS1/subsystem/tty55/subsystem/tty0/subsystem/tty20/subsystem/tty56/subsystem/tty4/subsystem/tty30/subsystem/tty50/subsystem/tty58/subsystem/tty10/subsystem/tty47/subsystem/ttyS1/subsystem/tty54/subsystem/tty13/dev