linux-kernel - Re: [PATCH v2] arm64: dts: qcom: qcs615: disable the CTI device of the camera block

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Message-ID: <a848f4b3-43fd-4225-a2ef-9c1b29c3f306@oss.qualcomm.com>
Date: Wed, 11 Jun 2025 16:05:28 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Jie Gan <jie.gan@....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>, Jie Gan <quic_jiegan@...cinc.com>
Cc: Tingwei Zhang <quic_tingweiz@...cinc.com>,
        Jinlong Mao <quic_jinlmao@...cinc.com>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: qcs615: disable the CTI device of
 the camera block

On 6/11/25 5:00 AM, Jie Gan wrote:
> Disable the CTI device of the camera block to prevent potential NoC errors
> during AMBA bus device matching.
> 
> The clocks for the Qualcomm Debug Subsystem (QDSS) are managed by aoss_qmp
> through a mailbox. However, the camera block resides outside the AP domain,
> meaning its QDSS clock cannot be controlled via aoss_qmp.
> 
> Fixes: bf469630552a ("arm64: dts: qcom: qcs615: Add coresight nodes")
> Signed-off-by: Jie Gan <jie.gan@....qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad