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[34.197.84.77]) by smtp.gmail.com with ESMTPSA id c9sm265256qkg.46.2020.08.30.11.58.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Aug 2020 11:58:59 -0700 (PDT) Date: Sun, 30 Aug 2020 18:58:57 +0000 From: Bjorn Andersson To: Amit Pundir Cc: Konrad Dybcio , Andy Gross , dt , John Stultz , linux-arm-msm , lkml , Rob Herring , Sumit Semwal Subject: Re: your mail Message-ID: <20200830185857.GD1947@uller> References: <20200806223134.42748-1-konradybcio@gmail.com> <20200813070448.GA499758@builder.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Mon 17 Aug 17:12 UTC 2020, Amit Pundir wrote: > 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? > Yes Regards, Bjorn > 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