Received: by 10.223.185.116 with SMTP id b49csp5186758wrg; Tue, 27 Feb 2018 09:06:54 -0800 (PST) X-Google-Smtp-Source: AH8x22766fM4KsuBFae8T0rT39eFWCYgS7FSKCkz8EjpWurNRjPl8q77lRPinSgFdWx4WZrrpQfC X-Received: by 10.98.7.129 with SMTP id 1mr14791949pfh.133.1519751214680; Tue, 27 Feb 2018 09:06:54 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1519751214; cv=none; d=google.com; s=arc-20160816; b=VQQ76Ux3Hiw77iTLlkPGdZA2WBEa9L3xSx+dK9s1Egj1IpDx7jjaN5W5RaCYT5cp7W /NfQmOeYF6te5K4SVR8J/84Ftec7u88DSyqmsYdfpS3xb/7DG4/XBc07Tr2IOUSiorY0 hK7YHDHKX70miVl0aRLGooO9Fjb4LlBrLPRGzJx+fuxMkaHGXvvcPRf6rC/TUVtchl7o ynk4eZMG1N0rWDe9apLjjYzLwEZ6rvx43PMWlPNp2padAtOLMYfw35iGSY7/CGVVcyHP TpQ3f/gzburPzf7pUc2pilJwy0haLbqou2/uDrc8/so/AO8oD249439k8dUW/svCU2dZ yaGQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=QXD5LY1JxfY7yucqfFS7Gtd2puLwk02qFN/j6G19i/U=; b=XjbC6B72aeNMhmhNX/K3lwbB/tzb7up6HVQFnD/mILCoYIhaoOdz3lHoFD20KTJmly lGudT35XpepRyIqfdaZTIJ5n73/6IHwxhB4BC59IiTGfVyNyjmflU0TTtUuvDcwZzbrk g//bzXZ60lcliRZuJM3FHXP2vXarXIIhxgh9JSSh0cN81FApiETI5Z3fGNJfzDYATrsN sz9a1DTU6f/qTXfWaTAW90XL5V9c/f8z9EdllRPHvHve7KeJoopOyzi5oH3luboaties JaYfUOZNGeZEPug7fwQVkPTEB/KLU3GH26T2fSuXyShzc4AY3ZrLPS1iEHqU2K5FxwVy mCFw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x6-v6si8457130plo.273.2018.02.27.09.06.37; Tue, 27 Feb 2018 09:06:54 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752187AbeB0RFZ (ORCPT + 99 others); Tue, 27 Feb 2018 12:05:25 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:38748 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750938AbeB0RFY (ORCPT ); Tue, 27 Feb 2018 12:05:24 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1E13F1435; Tue, 27 Feb 2018 09:05:24 -0800 (PST) Received: from lakrids.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id DB56E3F487; Tue, 27 Feb 2018 09:05:21 -0800 (PST) Date: Tue, 27 Feb 2018 17:05:19 +0000 From: Mark Rutland To: Jonathan Toppins Cc: Bhupesh Sharma , Prarit Bhargava , Jonathan Masters , rafael.j.wysocki@intel.com, Will Deacon , linux-kernel@vger.kernel.org, astone@redhat.com, James Morse , Catalin Marinas , andriy.shevchenko@linux.intel.com, Ingo Molnar , linux-arm-kernel Subject: Re: [PATCH] arm64/acpi: make ACPI boot preference configurable Message-ID: <20180227170518.56tvxkdh5fiochdd@lakrids.cambridge.arm.com> References: <85047448dc1d2d3c725b6b78d5ef2a89fc81b83b.1519659254.git.jtoppins@redhat.com> <1b5a55bd-5bc7-ecd0-99f0-71dd05119743@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1b5a55bd-5bc7-ecd0-99f0-71dd05119743@redhat.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 27, 2018 at 09:44:09AM -0500, Jonathan Toppins wrote: > For arm64 DT is suppose to *not* be the preferred method, This has never been the upstream position. DT has been the default since day one, and changing this would be a regression, as has been stated several times in the past. If *the system vendor* intends that the system only uses ACPI, they would not provide a DT. If *you* prefer to use ACPI, feel free to alter your kernel command line. Thanks, Mark.