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Date:      Tue, 29 Jun 2010 17:56:39 +0200
From:      Roland Smith <rsmith@xs4all.nl>
To:        Gary Dunn <osp@aloha.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: How are USB drivers assigned?
Message-ID:  <20100629155639.GA26443@slackbox.erewhon.net>
In-Reply-To: <1277802218.1631.19.camel@slate01>
References:  <1277802218.1631.19.camel@slate01>

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On Mon, Jun 28, 2010 at 11:03:38PM -1000, Gary Dunn wrote:
> Is there a file that associates drivers with USB device information?
> More specifically, how does a USB mouse get assigned to the ums driver?
> This is for FreeBSD 8.0, if it matters.

When queried on connection the mouse identifies itself by sending a descrip=
tor
as a Human Interface Device class peripheral, and specifically a mouse. The
USB driver then knows to attach the ums device driver.

Roland
--=20
R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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