From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A25A4C35DF9 for ; Tue, 25 Feb 2020 09:19:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 78DA721927 for ; Tue, 25 Feb 2020 09:19:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YKjocvhq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726916AbgBYJTA (ORCPT ); Tue, 25 Feb 2020 04:19:00 -0500 Received: from mail-wm1-f67.google.com ([209.85.128.67]:37599 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726867AbgBYJS7 (ORCPT ); Tue, 25 Feb 2020 04:18:59 -0500 Received: by mail-wm1-f67.google.com with SMTP id a6so2315764wme.2; Tue, 25 Feb 2020 01:18:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=zhzQt0v4AKydtv7tO0DiTIl7lsQ5dKu2Jl12PT3jBCs=; b=YKjocvhq/JnPNg/hrU12NGFQsRbbx7F9fqnV7iEKGczlPz+xGVDSI1H7+/DYyEXYVL lyHCEqTmK4supfVMUGuWZ1Vk2Zbi9GlkxybRlucE0owRgxWc6DKkOHPbiQCrbYE9cf9k +FftO2Bl5//6vKIztfTIKgnqWq35ipFj8C+yafT3e91VPDEAzS+hGgaPUBNR8vBdy3hd 2tuDdsobqNoBwnsNE6fDlKUBV2WFJL6PerFZJvn1zAxcL1WeLOaiGK4FqW2S0FAFBHyY QRhPiclu2MOHbBDc/CzPL0588YYJhyVIdB+WFlzdezZT6rDcddRuScv/mn5cKepB0FrK 2hTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=zhzQt0v4AKydtv7tO0DiTIl7lsQ5dKu2Jl12PT3jBCs=; b=B7/pndAGKI/+JACKMDBxA+uOzLzMuT2BnMoZuiJP0asUDGPG+ZXzskqdkSMbRyHL+7 FjB+STmvAuiveYrwqj6taBy4gxZgls03GpYCyABLyov031BQ8gon2oji5oY6Bc39voui M8SpAn0yfh3YzNXGRkBPShZDZ28YotUMtOh/xmRMvdrTZphKN48ci7p2xGZLi5WXB3GN i6mWWXl9lrKR/AN1hh+fTihAMu/22+oF6VcFqcaE91k45joCP20MUEVclF4lP5yqaEOe Q+3yt2Pbk5iw1k7DQBhtbgQQcAXaoK0tL3SBNj8WfDzapL7ePvHPfGYl2Bz87ZulYkcK +egw== X-Gm-Message-State: APjAAAUUBYPaoRqiYjqraxrXPnp4f3Adi2K8nZVY3WU6R3tMB0REbDwF fnxmUmmT0nEZ+qeS18A7ACw= X-Google-Smtp-Source: APXvYqxoTOz26NdCMff5T3MAlktiniBZ3mI/36yXLv7IUZvGJmyvjDRu/tlExPeR3EkpU4HpBpM+fg== X-Received: by 2002:a1c:451:: with SMTP id 78mr3980607wme.125.1582622336447; Tue, 25 Feb 2020 01:18:56 -0800 (PST) Received: from localhost ([193.47.161.132]) by smtp.gmail.com with ESMTPSA id p12sm23271786wrx.10.2020.02.25.01.18.55 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 25 Feb 2020 01:18:55 -0800 (PST) Date: Tue, 25 Feb 2020 10:07:55 +0100 From: Oliver Graute To: Dong Aisheng Cc: linux-arm-kernel@lists.infradead.org, Mark Rutland , devicetree@vger.kernel.org, sboyd@kernel.org, mturquette@baylibre.com, Rob Herring , linux-imx@nxp.com, kernel@pengutronix.de, fabio.estevam@nxp.com, shawnguo@kernel.org, linux-clk@vger.kernel.org, peng.fan@nxp.com Subject: Re: [PATCH RESEND v3 14/15] arm64: dts: imx: add imx8qm mek support Message-ID: <20200225090755.GA17799@optiplex> References: <1573994635-14479-1-git-send-email-aisheng.dong@nxp.com> <1573994635-14479-15-git-send-email-aisheng.dong@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1573994635-14479-15-git-send-email-aisheng.dong@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 17/11/19, Dong Aisheng wrote: > The i.MX8QuadMax is a Dual (2x) Cortex-A72 and Quad (4x) Cortex-A53 > proccessor with powerful graphic and multimedia features. > This patch adds i.MX8QuadMax MEK board support. > > Note that MX8QM needs a special workaround for TLB flush due to a SoC > errata, otherwise there may be random crash if enable both clusters of > A72 and A53. As the errata workaround is still not in mainline, so we > disable A72 cluster first for MX8QM MEK. can you point me to the errata workaround patch for the MMU/TLB Coherency issue? I observe the same issue here with another imx8qm board. Best Regards, Oliver