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    Subject[RFC]Is usb port number fixed?
    Hi!
    when I execute the command below:

    "ls /sys/bus/usb/devices/"

    I get:
    "1-0:1.0 1-1 1-1:1.0 2-0:1.0 2-1 2-1.1 2-1:1.0 2-1.1:1.0 2-1.5 2-1.5:1.0 2-1.5:1.1 usb1 usb2"

    the output format is bus-port.port:config.interface
    I want to know whether the port number is fixed after I reboot machine time by time.
    And if it is fixed, then what make it.

    Thanks!


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