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Path : /proc/self/root/sys/class/tty/ttyS1/device/driver/00:04/firmware_node/physical_node/subsystem/

Name	Size	Permission	Modify

devices	--	drwxr-xr-x
drivers	--	drwxr-xr-x

drivers_autoprobe	4 KB	-rw-r--r--
drivers_probe	4 KB	--w-------
uevent	4 KB	--w-------