From owner-freebsd-mobile@FreeBSD.ORG  Tue Sep 21 13:35:39 2010
Return-Path: <owner-freebsd-mobile@FreeBSD.ORG>
Delivered-To: freebsd-mobile@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 19E1810656B0;
	Tue, 21 Sep 2010 13:35:39 +0000 (UTC) (envelope-from jhb@freebsd.org)
Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42])
	by mx1.freebsd.org (Postfix) with ESMTP id DE1B98FC0A;
	Tue, 21 Sep 2010 13:35:38 +0000 (UTC)
Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net
	[66.111.2.69])
	by cyrus.watson.org (Postfix) with ESMTPSA id 8F0CC46C15;
	Tue, 21 Sep 2010 09:35:38 -0400 (EDT)
Received: from jhbbsd.localnet (smtp.hudson-trading.com [209.249.190.9])
	by bigwig.baldwin.cx (Postfix) with ESMTPSA id CCAF28A04F;
	Tue, 21 Sep 2010 09:35:32 -0400 (EDT)
From: John Baldwin <jhb@freebsd.org>
To: Adrian Chadd <adrian.chadd@gmail.com>
Date: Tue, 21 Sep 2010 09:19:28 -0400
User-Agent: KMail/1.13.5 (FreeBSD/7.3-CBSD-20100819; KDE/4.4.5; amd64; ; )
References: <AANLkTikZUZ3+W+ikyiiw-L-X5v4t4EgTNF4vFf4w=oyK@mail.gmail.com>
	<201009200925.10362.jhb@freebsd.org>
	<AANLkTi=7t=KKbHc2TJRsA=43t7eQtpshQVqyXT-aXMM4@mail.gmail.com>
In-Reply-To: <AANLkTi=7t=KKbHc2TJRsA=43t7eQtpshQVqyXT-aXMM4@mail.gmail.com>
MIME-Version: 1.0
Content-Type: Text/Plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Message-Id: <201009210919.28923.jhb@freebsd.org>
X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1
	(bigwig.baldwin.cx); Tue, 21 Sep 2010 09:35:32 -0400 (EDT)
X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx
X-Virus-Status: Clean
X-Spam-Status: No, score=-2.6 required=4.2 tests=AWL,BAYES_00 autolearn=ham
	version=3.2.5
X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx
Cc: freebsd-current@freebsd.org, freebsd-mobile@freebsd.org
Subject: Re: RFT: if_ath HAL refactoring
X-BeenThere: freebsd-mobile@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Mobile computing with FreeBSD <freebsd-mobile.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-mobile>, 
	<mailto:freebsd-mobile-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-mobile>
List-Post: <mailto:freebsd-mobile@freebsd.org>
List-Help: <mailto:freebsd-mobile-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-mobile>,
	<mailto:freebsd-mobile-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 21 Sep 2010 13:35:39 -0000

On Monday, September 20, 2010 10:06:53 am Adrian Chadd wrote:
> On 20 September 2010 21:25, John Baldwin <jhb@freebsd.org> wrote:
> 
> > Why not include this iff both 'device ath' and 'device pci' are included?
> > That is what is normally done for bus-specific attachments.
> 
> I've not idea right now whether there's an Atheros SoC with an
> AHB-attached wireless device and a PCI bus. In fact, that won't work
> at the present time because the device names would clash.

Why would the device names clash?  We have _lots_ of drivers with multiple bus 
attachments that use the same name regardless of which bus they are on, and 
making a bus attachment conditional on the bus being present is what every 
other driver that desires this level of granularity does.

-- 
John Baldwin