linux-kernel - Re: [PATCH 13/16] arm64: dts: qcom: Add support for Xperia 1 III / 5 III

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Message-ID: <51341a10-c0a5-079e-b7f1-159d42211bf3@quicinc.com>
Date:   Sun, 14 Nov 2021 11:47:13 -0800
From:   Trilok Soni <quic_tsoni@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...ainline.org>,
        <~postmarketos/upstreaming@...ts.sr.ht>
CC:     <martin.botka@...ainline.org>,
        <angelogioacchino.delregno@...ainline.org>,
        <marijn.suijten@...ainline.org>, <jamipkettunen@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 13/16] arm64: dts: qcom: Add support for Xperia 1 III / 5
 III

Hi Konrad,

On 11/13/2021 5:27 PM, Konrad Dybcio wrote:
> 
> Then, you need to flash it on the device and get rid of all the
> vendor_boot/dtbo mess:
> 
> fastboot flash boot boot.img-sony-xperia-pdx215
> fastboot erase vendor_boot
> fastboot flash dtbo emptydtbo.img
> fastboot reboot
> 
> Where emptydtbo.img is a tiny file that consists of 2 bytes (all zeroes), doing
> a "fastboot erase" won't cut it, the bootloader will go crazy and things will
> fall apart when it tries to overlay random bytes from an empty partition onto a
> perfectly good appended DTB.


I will check on this part and see if we can make simpler support 
fastboot erase dtbo without the extra emptydtbo.

---Trilok Soni