[linux-usb-devel] Re: [PATCH] ftdi_sio: Add sysfs attributes for event character and latency timer

[Edwin Olson]

At the risk of beating a dead horse...
You can work backwards from a /dev node to the sysfs /class path using
udevinfo:
	udevinfo -n /dev/tts/USB0 -q all
	P: /class/tty/ttyUSB0
	N: tts/USB0
	S: 

From the "P:" line above, you can follow the "device" symlink in that
directory to get to the directory that you need, right?
 

Will udev *always* return a /class path, or might it sometimes return a 
/device path or a /bus path? Is this behavior defined?

-Ed

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