From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefano Stabellini <sstabellini@kernel.org>
Subject: Re: [PATCH RFC 12/15] xen/arm: generate vpl011 node on
 device tree for domU
Date: Fri, 6 Jul 2018 10:11:30 -0700 (PDT)
Message-ID: <alpine.DEB.2.10.1807060928510.13502@sstabellini-ThinkPad-X260>
References: <alpine.DEB.2.10.1806131457490.14695@sstabellini-ThinkPad-X260>
 <1528928118-14960-12-git-send-email-sstabellini@kernel.org>
 <551fb6cb-2358-731d-ec04-7032b216a44f@arm.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xenproject.org>
In-Reply-To: <551fb6cb-2358-731d-ec04-7032b216a44f@arm.com>
List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xenproject.org>
List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help>
List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xenproject.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org>
To: Julien Grall <julien.grall@arm.com>
Cc: artem_mygaiev@epam.com, Stefano Stabellini <stefanos@xilinx.com>, Stefano Stabellini <sstabellini@kernel.org>, andrii_anisov@epam.com, xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org
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