linux-kernel - [PATCH v9 0/2] coresight: Add label sysfs node support

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Message-ID: <20250717125343.3820505-1-quic_jinlmao@quicinc.com>
Date: Thu, 17 Jul 2025 05:53:40 -0700
From: Mao Jinlong <quic_jinlmao@...cinc.com>
To: Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach
	<mike.leach@...aro.org>, James Clark <james.clark@....com>,
        Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        "Bjorn
 Andersson" <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
CC: Mao Jinlong <quic_jinlmao@...cinc.com>, <coresight@...ts.linaro.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>
Subject: [PATCH v9 0/2] coresight: Add label sysfs node support 

Change since V8:
1. Add label in all documentations of coresight components.
2. Add control of the visibility of the label sysfs attribute.
V8 link: https://lkml.org/lkml/2025/7/3/985

Change since V7:
1. Update the conflict when apply to coresight next.
2. Update the Date and version in ABI file.
V7 link: https://patchwork.kernel.org/project/linux-arm-kernel/patch/20250226121926.2687497-3-quic_jinlmao@quicinc.com/

Change since V6:
1. Update the date and verison in ABI file.

Change since V5:
1. Update the kernel version of ABI files.
2. Add link of different patch versions.
V5 link: https://patchwork.kernel.org/project/linux-arm-msm/cover/20241210122253.31926-1-quic_jinlmao@quicinc.com/

Change since V4:
1. Add label in DT and add label sysfs node for each coresight device.
V4 link: https://patchwork.kernel.org/project/linux-arm-msm/cover/20240703122340.26864-1-quic_jinlmao@quicinc.com/

Change since V3:
1. Change device-name to arm,cs-dev-name.
2. Add arm,cs-dev-name to only CTI and sources' dt-binding.
V3 link: https://patchwork.kernel.org/project/linux-arm-msm/cover/20240131082628.6288-1-quic_jinlmao@quicinc.com/

Change since V2:
1. Fix the error in coresight core.
drivers/hwtracing/coresight/coresight-core.c:1775:7: error: assigning to 'char *' from 'const char *' discards qualifiers

2. Fix the warning when run dtbinding check.
Documentation/devicetree/bindings/arm/arm,coresight-cpu-debug.yaml: device-name: missing type definition
V2 link: https://patchwork.kernel.org/project/linux-arm-msm/cover/20240115164252.26510-1-quic_jinlmao@quicinc.com/

Change since V1:
1. Change coresight-name to device name.
2. Add the device-name in coresight dt bindings.
V1 link: https://patchwork.kernel.org/project/linux-arm-kernel/patch/20230208110716.18321-1-quic_jinlmao@quicinc.com/#25231737

Mao Jinlong (2):
  dt-bindings: arm: Add label in the coresight components
  coresight: Add label sysfs node support

 .../testing/sysfs-bus-coresight-devices-cti   |  6 ++
 .../sysfs-bus-coresight-devices-dummy-source  |  6 ++
 .../testing/sysfs-bus-coresight-devices-etb10 |  6 ++
 .../testing/sysfs-bus-coresight-devices-etm3x |  6 ++
 .../testing/sysfs-bus-coresight-devices-etm4x |  6 ++
 .../sysfs-bus-coresight-devices-funnel        |  6 ++
 .../testing/sysfs-bus-coresight-devices-stm   |  6 ++
 .../testing/sysfs-bus-coresight-devices-tmc   |  6 ++
 .../testing/sysfs-bus-coresight-devices-tpdm  |  6 ++
 .../testing/sysfs-bus-coresight-devices-trbe  |  6 ++
 .../bindings/arm/arm,coresight-cti.yaml       |  4 ++
 .../arm/arm,coresight-dummy-sink.yaml         |  4 ++
 .../arm/arm,coresight-dummy-source.yaml       |  4 ++
 .../arm/arm,coresight-dynamic-funnel.yaml     |  4 ++
 .../arm/arm,coresight-dynamic-replicator.yaml |  4 ++
 .../bindings/arm/arm,coresight-etb10.yaml     |  4 ++
 .../bindings/arm/arm,coresight-etm.yaml       |  4 ++
 .../arm/arm,coresight-static-funnel.yaml      |  4 ++
 .../arm/arm,coresight-static-replicator.yaml  |  4 ++
 .../bindings/arm/arm,coresight-tmc.yaml       |  4 ++
 .../bindings/arm/arm,coresight-tpiu.yaml      |  4 ++
 .../bindings/arm/qcom,coresight-ctcu.yaml     |  4 ++
 .../arm/qcom,coresight-remote-etm.yaml        |  4 ++
 .../bindings/arm/qcom,coresight-tpda.yaml     |  4 ++
 .../bindings/arm/qcom,coresight-tpdm.yaml     |  4 ++
 drivers/hwtracing/coresight/coresight-sysfs.c | 71 ++++++++++++++++++-
 26 files changed, 189 insertions(+), 2 deletions(-)

-- 
2.25.1