On Sat, May 5, 2012 at 1:02 AM, Tim Roberts <t...@probo.com> wrote:
> Janko Kolar wrote:
>> I am new to libusbx and I have one basic question
>>
>> I would like to determine to which usb port particular device is attached.
>
> Why?  Of what possible use is this information?  USB hubs are not
> externally labeled.  If I tell you "you are in port 3", what good does
> that do you?
>

Many users ask for this feature. Probably they would label the
port with a marker pen once they know which post is Port 3. :-)

There is a recent discussion in the linux-usb mailing list
and indeed there are some rules at least.
http://comments.gmane.org/gmane.linux.kernel/1285168



-- 
Xiaofan

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