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

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Message-Id: <176543802198.60924.10267408914731981420.robh@kernel.org>
Date: Thu, 11 Dec 2025 01:27:02 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Jie Gan <jie.gan@....qualcomm.com>
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 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
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.