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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Amit Pundir <amit.pundir@linaro.org>
Cc: Konrad Dybcio <konradybcio@gmail.com>,
	Andy Gross <agross@kernel.org>, dt <devicetree@vger.kernel.org>,
	John Stultz <john.stultz@linaro.org>,
	linux-arm-msm <linux-arm-msm@vger.kernel.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Sumit Semwal <sumit.semwal@linaro.org>
Subject: Re: your mail
Date: Sun, 30 Aug 2020 18:58:57 +0000	[thread overview]
Message-ID: <20200830185857.GD1947@uller> (raw)
In-Reply-To: <CAMi1Hd3j-A1Se9swD0TQ9YzTBGicPDc1nFZbf4uisVk5A+u1GQ@mail.gmail.com>

On Mon 17 Aug 17:12 UTC 2020, Amit Pundir wrote:

> On Thu, 13 Aug 2020 at 12:38, Bjorn Andersson
> <bjorn.andersson@linaro.org> 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

  reply	other threads:[~2020-08-30 18:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-05 10:51 [PATCH v4] arm64: dts: qcom: Add support for Xiaomi Poco F1 (Beryllium) Amit Pundir
2020-08-05 11:02 ` Amit Pundir
2020-08-06 22:31   ` Konrad Dybcio
2020-08-12 13:37     ` Amit Pundir
2020-08-13  7:04     ` your mail Bjorn Andersson
2020-08-17 17:12       ` Amit Pundir
2020-08-30 18:58         ` Bjorn Andersson [this message]
2021-04-01 21:16 Bhaumik Bhatt
2021-04-07  6:56 ` your mail Manivannan Sadhasivam

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