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From: Hans Petter Selasky <hselasky@c2i.net>
To: Christopher Hilton <chris@vindaloo.com>
Date: Wed, 18 May 2011 08:57:21 +0200
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Cc: Charles Sprickman <spork@bway.net>, freebsd-usb@freebsd.org
Subject: Re: usb serial port device naming
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On Tuesday 17 May 2011 18:19:25 Christopher Hilton wrote:
> On May 17, 2011, at 5:18 AM, Hans Petter Selasky wrote:
> > Hi,
> > 
> > If you run 8-stable, there is some information you can lookup via sysctls
> > of the USB devices, which tells you which port belongs to which device.
> > 
> > Use the serial number to identify your device, if your device has such a
> > value.
> > 
> > usbconfig -d X.Y dump_device_desc
> 
> Are you suggesting that one could use this information to config devd and
> perhaps automatically create a link to the correct port at USB attach
> time? I ask because I anticipate having to deal with this situation in the
> future.
> 

Yes, I think that is the idea. Currently this functionality is only introduced 
in 8-stable and 9-current.

--HPS