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From: Hans Petter Selasky <hselasky@c2i.net>
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Date: Wed, 1 Jun 2011 09:38:33 +0200
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Subject: Re: Changes to usb/serial: how to distinguish between old and new
	interfaces in 8-STABLE and 9-CURRENT branches?
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On Wednesday 01 June 2011 08:48:17 Nick Hibma wrote:
> > Lev Serebryakov <lev@freebsd.org> wrote:
> >>  Last changes, committed to 8-STABLE ... breaks some API/ABI ...
> > 
> > AFAIK, changes that break API/ABI are not supposed to be MFCd.
> > Perhaps that one needs to be backed out of 8-STABLE?
> 
> Adding of PNP Info to usb devices
> 
> 	http://svnweb.freebsd.org/base/head/sys/dev/usb/usbdi.h?r1=213435&r2=21442
> 9&pathrev=214429
> 
> This is necessary to be able to map u3gX1 devices to /dev/cuaUX2.Y ttys . 
> This was discussed and requested to be MFCed by HPS.

Hi,

Probably we should import the driver in question into the kernel.

Is the author fine about this?

We try to keep API's consistent within USB aswell, and not change globally 
exported structures or functions.

--HPS