//sys/bus/platform/drivers/serial8250/serial8250/tty:ttyS2/device/tty:ttyS3/subsystem/tty/subsystem/tty51/subsystem/tty8/subsystem/tty54/subsystem/tty21/subsystem/ttyS3/subsystem/ttyS3/subsystem/ttyS1/subsystem/tty11/subsystem/tty7/subsystem/tty34/subsystem/tty48/subsystem/tty3/subsystem/ttyS1/dev