linux-kernel - Re: [PATCH v8 5/8] dt-bindings: arm: add an interrupt property for Coresight CTCU

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Message-ID: <44b8df0e-2786-420b-9402-ee19f4cda0d2@oss.qualcomm.com>
Date: Thu, 11 Dec 2025 15:35:32 +0800
From: Jie Gan <jie.gan@....qualcomm.com>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        James Clark <james.clark@...aro.org>,
        Mike Leach <mike.leach@...aro.org>, linux-kernel@...r.kernel.org,
        coresight@...ts.linaro.org,
        Tingwei Zhang <tingwei.zhang@....qualcomm.com>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Mao Jinlong <jinlong.mao@....qualcomm.com>,
        Konrad Dybcio <konradybcio@...nel.org>, devicetree@...r.kernel.org,
        Suzuki K Poulose <suzuki.poulose@....com>
Subject: Re: [PATCH v8 5/8] dt-bindings: arm: add an interrupt property for
 Coresight CTCU



On 12/11/2025 3:27 PM, Rob Herring (Arm) wrote:
> 
> On Thu, 11 Dec 2025 14:10:44 +0800, Jie Gan wrote:
>> Add an interrupt property to CTCU device. The interrupt will be triggered
>> when the data size in the ETR buffer exceeds the threshold of the
>> BYTECNTRVAL register. Programming a threshold in the BYTECNTRVAL register
>> of CTCU device will enable the interrupt.
>>
>> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> Reviewed-by: Mike Leach <mike.leach@...aro.org>
>> Signed-off-by: Jie Gan <jie.gan@....qualcomm.com>
>> ---
>>   .../devicetree/bindings/arm/qcom,coresight-ctcu.yaml    | 17 +++++++++++++++++
>>   1 file changed, 17 insertions(+)
>>
> 
> My bot found errors running 'make dt_binding_check' on your patch:
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> Error: Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.example.dts:36.31-32 syntax error
> FATAL ERROR: Unable to parse input tree

Will fix it in next version.

Thanks,
Jie

> make[2]: *** [scripts/Makefile.dtbs:141: Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.example.dtb] Error 1
> make[2]: *** Waiting for unfinished jobs....
> make[1]: *** [/builds/robherring/dt-review-ci/linux/Makefile:1559: dt_binding_check] Error 2
> make: *** [Makefile:248: __sub-make] Error 2
> 
> doc reference errors (make refcheckdocs):
> 
> See https://patchwork.kernel.org/project/devicetree/patch/20251211-enable-byte-cntr-for-ctcu-v8-5-3e12ff313191@oss.qualcomm.com
> 
> The base for the series is generally the latest rc1. A different dependency
> should be noted in *this* patch.
> 
> If you already ran 'make dt_binding_check' and didn't see the above
> error(s), then make sure 'yamllint' is installed and dt-schema is up to
> date:
> 
> pip3 install dtschema --upgrade
> 
> Please check and re-submit after running the above command yourself. Note
> that DT_SCHEMA_FILES can be set to your schema file to speed up checking
> your schema. However, it must be unset to test all examples with your schema.
>