linux-kernel - Re: [PATCH 02/20] arm64: dts: qcom: Introduce Kaanapali SoC

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Message-ID: <7f8aa7b5-40b6-456d-8b33-0cd505a6bc3c@oss.qualcomm.com>
Date: Tue, 4 Nov 2025 13:54:18 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Jingyi Wang <jingyi.wang@....qualcomm.com>,
        Akhil P Oommen <akhilpo@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, aiqun.yu@....qualcomm.com,
        tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
        yijie.yang@....qualcomm.com,
        Tengfei Fan <tengfei.fan@....qualcomm.com>
Subject: Re: [PATCH 02/20] arm64: dts: qcom: Introduce Kaanapali SoC

On 11/4/25 10:04 AM, Jingyi Wang wrote:
> 
> 
> On 10/14/2025 7:46 PM, Akhil P Oommen wrote:
>>
>>
>> On 9/25/2025 5:47 AM, Jingyi Wang wrote:
>>> Kaanapali is Snapdragon SoC from Qualcomm.
>>>
> <...>
>>> +
>>> +    reserved-memory {
>>> +        #address-cells = <2>;
>>> +        #size-cells = <2>;
>>> +        ranges;
>>> +
>>
>> This is missing a bunch of reserved regions which causes device crash when you stress memory allocation.
>>
>> -Akhil.
>>
> 
> Hi Akhil,
> 
> We will not add all the reserved-memory in dts, other regions are designed to
> be added in bootloader.

If what Akhil says is true and Linux is crashing, something must be
wrong..

Konrad