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[209.132.180.67]) by mx.google.com with ESMTP id w65-v6si1335600pgw.147.2018.07.20.01.03.12; Fri, 20 Jul 2018 01:03:26 -0700 (PDT) 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728101AbeGTItM (ORCPT + 99 others); Fri, 20 Jul 2018 04:49:12 -0400 Received: from hqemgate15.nvidia.com ([216.228.121.64]:9465 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727176AbeGTItL (ORCPT ); Fri, 20 Jul 2018 04:49:11 -0400 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1, AES128-SHA) id ; Fri, 20 Jul 2018 01:02:16 -0700 Received: from HQMAIL101.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Fri, 20 Jul 2018 01:02:05 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Fri, 20 Jul 2018 01:02:05 -0700 Received: from [10.21.132.122] (10.124.1.5) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 20 Jul 2018 08:02:06 +0000 Subject: Re: [PATCH v1] memory: tegra: Don't invoke Tegra30+ specific memory timing setup on Tegra20 To: Dmitry Osipenko CC: Thierry Reding , , References: <20180719132453.16860-1-digetx@gmail.com> <39607791-3e71-7784-37db-4e05a316d7a8@nvidia.com> <31916977.CHrX6e343J@dimapc> From: Jon Hunter Message-ID: Date: Fri, 20 Jul 2018 09:02:04 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <31916977.CHrX6e343J@dimapc> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL108.nvidia.com (172.18.146.13) To HQMAIL101.nvidia.com (172.20.187.10) Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 19/07/18 16:38, Dmitry Osipenko wrote: > On Thursday, 19 July 2018 18:30:48 MSK Jon Hunter wrote: >> On 19/07/18 14:24, Dmitry Osipenko wrote: >>> This fixes irrelevant "tegra-mc 7000f000.memory-controller: no memory >>> timings for RAM code 0 registered" warning message during of kernels >>> boot-up on Tegra20. >> >> Looking at the tegra20-emc.txt bindings doc [0], the 'nvidia,ram-code' >> property is also valid for Tegra20. In fact, I see this warning on the >> Tegra30 Cardhu because this property is not populated. So I think that >> this warning is valid and harmless. >> >> Cheers >> Jon >> >> [0] Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-emc.txt > > That is the irrelevant binding, the relevant one for this driver is [0]. The > warning is valid for T30+, but not for T20. > > [0] Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-mc.txt Yes indeed, looks like we never supported this for Tegra20. OK, fine with me I guess this was introduced during the consolidation of the MC drivers. Can you add the appropriate fixes tag? Otherwise ... Acked-by: Jon Hunter Cheers Jon -- nvpublic