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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 E59B7C433E0 for ; Wed, 12 Aug 2020 13:38:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD566207DA for ; Wed, 12 Aug 2020 13:38:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="yDBDdIyN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728071AbgHLNiO (ORCPT ); Wed, 12 Aug 2020 09:38:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38510 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727817AbgHLNiN (ORCPT ); Wed, 12 Aug 2020 09:38:13 -0400 Received: from mail-wm1-x32f.google.com (mail-wm1-x32f.google.com [IPv6:2a00:1450:4864:20::32f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 31FF7C061787 for ; Wed, 12 Aug 2020 06:38:13 -0700 (PDT) Received: by mail-wm1-x32f.google.com with SMTP id g8so1814765wmk.3 for ; Wed, 12 Aug 2020 06:38:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=U6a+d3dtYp0KjTU5EEF1X/oH34jCVu+NBd+4qq9Ixtw=; b=yDBDdIyN79nLSMZt2ii6ECd0ccqcb4C9/zsl/VF4QcmYRhUqFZTNGn8S1O05yLbG8m ubDQCxhglZD3VIDoqHNTs9nrCaRyzEAwfy56sy+jta0zY4ozoKLFQi8y/RL6LbyXtsg7 vPPzvQUdqo40z1n1oftLgNHQDjSWftJjjBDsQhvTEzJKLV/UljBn1O8TgzytjsFt9w8U TJcSCoUGsmpvlQAouUYl2WNa4NJG9STXIifpmKWhao4D+DxMBSRLDd4A1cuJ2pp1KVzb 6SjO2F73k6YQ1HGycCizuxtmTBUcGfkSqURV3MFuAbgx20pDncLVyrW2c/POdaOxoRFd /XpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=U6a+d3dtYp0KjTU5EEF1X/oH34jCVu+NBd+4qq9Ixtw=; b=tvMwzvnY9ghWETQ7ecMNGimy7kHjH+Re39E6RuR42if7CU//jHOG+uRkO4bTUWK/bh 6hy8uF8E7fu8xMld8h5ENP+EdgtsyQgY4P8YWs8OQAEXwrOVWvOblxcY5STNRazxV3Ts 0iyFaCTt5XU2f0K1/nsWpt5WLld3Bvp0zGZorLXZ9sLkVtn3XuSK3yOqskJTilGoufJE EOusO2ZA5TceVX/z1DUvAblLAMsoW8y1Un9/QJ0vIAKGE55LayfUqNEibZHWHLL6GR0F LhPLSlCk30nCKWtH2lD5ePjNDULZpYV11e2fwfpBNlhbp/FWPTr4jJj/srMfJDyau5IA FD+Q== X-Gm-Message-State: AOAM533K9SRsaZyVkqsNpa9mZw8RxOolc2iYM/quLnyqnfsoDuBqYEVO Bs3U2SCrSBDVDunbw5NVYjNSd2dMU1Q3Cm/XJSv2VQ== X-Google-Smtp-Source: ABdhPJwqMh6ofIFWi0PgnalLBz97O6pS4TLZaTLUZpUxWvbz7fQU77ZzO8rJnHikMk86N01F3K2+jUdwRSWt3HpDtNI= X-Received: by 2002:a1c:3dd6:: with SMTP id k205mr8592936wma.21.1597239491828; Wed, 12 Aug 2020 06:38:11 -0700 (PDT) MIME-Version: 1.0 References: <20200806223134.42748-1-konradybcio@gmail.com> In-Reply-To: <20200806223134.42748-1-konradybcio@gmail.com> From: Amit Pundir Date: Wed, 12 Aug 2020 19:07:35 +0530 Message-ID: Subject: Re: To: Konrad Dybcio Cc: Andy Gross , Bjorn Andersson , dt , John Stultz , linux-arm-msm , lkml , Rob Herring , Sumit Semwal Content-Type: text/plain; charset="UTF-8" Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Fri, 7 Aug 2020 at 04:02, Konrad Dybcio wrote: > > Subject: Re: [PATCH v4] arm64: dts: qcom: Add support for Xiaomi Poco F1 (Beryllium) > > >// This removed_region is needed to boot the device > > // TODO: Find out the user of this reserved memory > > removed_region: memory@88f00000 { > > This region seems to belong to the Trust Zone. When Linux tries to access it, TZ bites and shuts the device down. That is totally possible. Plus it falls right in between TZ and QSEE reserved-memory regions. However, I do not find any credible source of information which can confirm this. So I'm hesitant to update the TODO item in the above comment. > > Konrad