From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Gibson <dwg-8fk3Idey6ehBDgjK7y7TUQ@public.gmane.org>
Subject: Re: devicetree: Musings on reserved regions
Date: Tue, 8 Feb 2011 23:24:52 +1100
Message-ID: <20110208122452.GP30616@yookeroo>
References: <AANLkTinjPk1rJp1pCvM3ZTsLnEym57qU6u72vL8JQ1V3@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>
Content-Disposition: inline
In-Reply-To: <AANLkTinjPk1rJp1pCvM3ZTsLnEym57qU6u72vL8JQ1V3-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
List-Unsubscribe: <https://lists.ozlabs.org/options/devicetree-discuss>,
	<mailto:devicetree-discuss-request-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org?subject=unsubscribe>
List-Archive: <http://lists.ozlabs.org/pipermail/devicetree-discuss>
List-Post: <mailto:devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>
List-Help: <mailto:devicetree-discuss-request-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org?subject=help>
List-Subscribe: <https://lists.ozlabs.org/listinfo/devicetree-discuss>,
	<mailto:devicetree-discuss-request-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org?subject=subscribe>
Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org
Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org
To: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Cc: "parch-QRwYI7m9GJLYtjvyW6yDsg@public.gmane.org" <parch-QRwYI7m9GJLYtjvyW6yDsg@public.gmane.org>, devicetree-discuss <devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>, Stuart Yoder <b08248-KZfg59tc24xl57MIdRCFDg@public.gmane.org>, Scott Wood <scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org>, Matthew McClintock <msm-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
List-Id: devicetree@vger.kernel.org
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