From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932304AbcARRuP (ORCPT ); Mon, 18 Jan 2016 12:50:15 -0500 Received: from mail-yk0-f195.google.com ([209.85.160.195]:34691 "EHLO mail-yk0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932217AbcARRuI (ORCPT ); Mon, 18 Jan 2016 12:50:08 -0500 Message-ID: <569D25C4.3060806@gmail.com> Date: Mon, 18 Jan 2016 09:49:56 -0800 From: David Daney User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Ganapatrao Kulkarni CC: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-ia64@vger.kernel.org, linux-metag@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-arch@vger.kernel.org, Will.Deacon@arm.com, catalin.marinas@arm.com, grant.likely@linaro.org, leif.lindholm@linaro.org, rfranz@cavium.com, ard.biesheuvel@linaro.org, msalter@redhat.com, robh+dt@kernel.org, steve.capper@linaro.org, hanjun.guo@linaro.org, al.stone@linaro.org, arnd@arndb.de, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, rjw@rjwysocki.net, lenb@kernel.org, marc.zyngier@arm.com, lorenzo.pieralisi@arm.com, bhelgaas@google.com, tony.luck@intel.com, fenghua.yu@intel.com, james.hogan@imgtec.com, benh@kernel.crashing.org, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, jonathan@jonmasters.org, rrichter@cavium.com, Prasun.Kapoor@caviumnetworks.com, gpkulkarni@gmail.com Subject: Re: [PATCH v9 4/6] arm64, dt, thunderx: Add initial dts for Cavium Thunderx in 2 node topology. References: <1453134965-6125-1-git-send-email-gkulkarni@caviumnetworks.com> <1453134965-6125-5-git-send-email-gkulkarni@caviumnetworks.com> In-Reply-To: <1453134965-6125-5-git-send-email-gkulkarni@caviumnetworks.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/18/2016 08:36 AM, Ganapatrao Kulkarni wrote: > Adding dt file for Cavium's Thunderx dual socket platform. > > Signed-off-by: Ganapatrao Kulkarni > --- > arch/arm64/boot/dts/cavium/Makefile | 2 +- > arch/arm64/boot/dts/cavium/thunder-88xx-2n.dts | 83 +++ > arch/arm64/boot/dts/cavium/thunder-88xx-2n.dtsi | 806 ++++++++++++++++++++++++ > 3 files changed, 890 insertions(+), 1 deletion(-) > create mode 100644 arch/arm64/boot/dts/cavium/thunder-88xx-2n.dts > create mode 100644 arch/arm64/boot/dts/cavium/thunder-88xx-2n.dtsi > These files are useless, they don't contain device nodes for anything other than the UARTs. There is no existing system that has only UARTs and no other devices, so these files cannot be (and can never be) used anywhere. Since the boot firmware in all real, and emulated, systems is supplying correct DTBs, we should consider not merging these files, and removing the likewise useless thunder-88xx.dts thunder-88xx.dtsi David Daney [...]