Documentation/ABI/testing/configfs-usb-gadget-serial

   1 What:           /config/usb-gadget/gadget/functions/gser.name
   2 Date:           Jun 2013
   3 KernelVersion:  3.11
   4 Description:
   5
   6                 This item contains just one readonly attribute: port_num.
   7                 It contains the port number of the /dev/ttyGS<n> device
   8                 associated with gser function's instance "name".
   9