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=-3.9 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 3DA83C433DF for ; Mon, 17 Aug 2020 17:28:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D17D20657 for ; Mon, 17 Aug 2020 17:28:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Gpu1742R" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389583AbgHQR2M (ORCPT ); Mon, 17 Aug 2020 13:28:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389474AbgHQRMk (ORCPT ); Mon, 17 Aug 2020 13:12:40 -0400 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5436AC061342 for ; Mon, 17 Aug 2020 10:12:40 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id r4so15695517wrx.9 for ; Mon, 17 Aug 2020 10:12:40 -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=AueLUpVNwOplEaRIeklXnlMpQk/hv9PNTq+/4iLo0R0=; b=Gpu1742R6bQKiE7BaePK5diMLvF+iZfSSkZ0BOARPwt42lhi8nz00uW6K89/MGg4zm hZXZDUrk/4N+XUcR0wbbQo713rcnKWaOX9p4s60ZhAx89+KzEZhhA4saULYqOxNRGYdx hUyQy65h8Dy4+B9yFynN1Kh1R/12oHa6Gs3j4u3Q4o3r9uQOP6RgH+35nG01K9CZdK68 rzoGzIXjOR9WHXTKTHVQO9vD4+jdCw3iMYQLPoCTJcpW+4tvowsYeLvIo21HjWRa2vmV 04Cx09aiVDy2hFLu9lZ+jRZdQNHnPp6FILixg0q9oSK7M9y8md8BFE7vFrK7eGa8X8yl WMrw== 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=AueLUpVNwOplEaRIeklXnlMpQk/hv9PNTq+/4iLo0R0=; b=gG99knuWUx6D2FgLYOJkYOFRNUAQ69GMYjaPrMofv5NWt8ou2LnMEMh6wOYC+EkNmE 0dqF9+4MGG5ofuo28yoHO9G4Bq269xqYCdJGUpBqDz2KPB46NhFMXWAjX9RWMfwHmoRQ hocWBI9c0B2rz8XOD01wYe5jCKnHVoR1DOGvX6ie/VLFVfXbL8Ekn2MqsWj79baGV5Sz iu/BTpCS164Pk3q2c0Zq32xYwIJhAHvznWz1usoHoaV07m7AUOxAJthgpOjy8Y2sx3XQ c5s61hp3Dne8WWOag1whcmi8Xj0Jh25ql/gdgCNyQ4w6j+AfkI3y6MTGcATqdZOejQdG AFSw== X-Gm-Message-State: AOAM532J16NPPyzU6NbBEw1WwC3oi/A5775+ST4+coT9OQPBcd601y30 bbp2QcnUavZR9/Ey0wokG8DtZ7v6FZA1GEeTEmMfUKRhncQcOg== X-Google-Smtp-Source: ABdhPJwzzJqqKP8Dz57WEH4mjrx29gWDTGQSyhqQk/3EQMn3h+P+wfHkvWUG7jnjma/rWD/FdEgspqJzfrhXMf85F+M= X-Received: by 2002:adf:fc06:: with SMTP id i6mr16257949wrr.79.1597684357045; Mon, 17 Aug 2020 10:12:37 -0700 (PDT) MIME-Version: 1.0 References: <20200806223134.42748-1-konradybcio@gmail.com> <20200813070448.GA499758@builder.lan> In-Reply-To: <20200813070448.GA499758@builder.lan> From: Amit Pundir Date: Mon, 17 Aug 2020 22:42:00 +0530 Message-ID: Subject: Re: your mail To: Bjorn Andersson Cc: Konrad Dybcio , Andy Gross , dt , John Stultz , linux-arm-msm , lkml , Rob Herring , Sumit Semwal Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 13 Aug 2020 at 12:38, Bjorn Andersson wrote: > > On Thu 06 Aug 15:31 PDT 2020, 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. > > > > This is in line with what the documentation indicates and then it would > be better to just bump &tz_mem to a size of 0x4900000. Hi, so just to be sure that I got this right, you want me to extend &tz_mem to the size of 0x4900000 from the default size of 0x2D00000 by including this downstream &removed_region (of size 0x1A00000) + previously unreserved downstream memory region (of size 0x200000), to align with the starting address of &qseecom_mem? I just gave this &tz_mem change a spin and I do not see any obvious regression in my limited smoke testing (Boots AOSP to UI with v5.9-rc1. Touch/BT/WiFi works) so far, with 20+ out-of-tree patches. Regards, Amit Pundir > > Regards, > Bjorn