linux-kernel - [PATCH v1 0/3] Add support to configure Coresight Dummy subunit

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Message-Id: <20230316032005.6509-1-quic_hazha@quicinc.com>
Date:   Thu, 16 Mar 2023 11:20:02 +0800
From:   Hao Zhang <quic_hazha@...cinc.com>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Konrad Dybcio <konradybcio@...il.com>,
        Mike Leach <mike.leach@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Jonathan Corbet <corbet@....net>
Cc:     Hao Zhang <quic_hazha@...cinc.com>, Leo Yan <leo.yan@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Tingwei Zhang <quic_tingweiz@...cinc.com>,
        Jinlong Mao <quic_jinlmao@...cinc.com>,
        Yuanfang Zhang <quic_yuanfang@...cinc.com>,
        Tao Zhang <quic_taozha@...cinc.com>,
        Trilok Soni <quic_tsoni@...cinc.com>,
        linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <andersson@...nel.org>,
        linux-doc@...r.kernel.org
Subject: [PATCH v1 0/3] Add support to configure Coresight Dummy subunit

Introduction of Coresight Dummy subunit
The Coresight Dummy subunit is for Coresight Dummy component, there are some
specific Coresight devices that HLOS don't have permission to access. Such as
some TPDMs, they would be configured in NON-HLOS side, but it's necessary to
build Coresight path for it to debug. So there need driver to register dummy
devices as Coresight devices.

Commit link:
https://git.codelinaro.org/clo/linux-kernel/coresight/-/tree/coresight-dummy

Hao Zhang (3):
  Coresight: Add coresight dummy driver
  dt-bindings: arm: Add Coresight Dummy Trace YAML schema
  Documentation: trace: Add documentation for Coresight Dummy Trace

 .../bindings/arm/qcom,coresight-dummy.yaml    | 129 +++++++++++++
 .../trace/coresight/coresight-dummy.rst       |  58 ++++++
 drivers/hwtracing/coresight/Kconfig           |  11 ++
 drivers/hwtracing/coresight/Makefile          |   1 +
 drivers/hwtracing/coresight/coresight-dummy.c | 176 ++++++++++++++++++
 5 files changed, 375 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/qcom,coresight-dummy.yaml
 create mode 100644 Documentation/trace/coresight/coresight-dummy.rst
 create mode 100644 drivers/hwtracing/coresight/coresight-dummy.c

-- 
2.17.1