linux-kernel - [PATCH V6 0/2] coresight: trbe: Enable ACPI based devices

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Date:   Tue, 29 Aug 2023 19:24:03 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     linux-arm-kernel@...ts.infradead.org, suzuki.poulose@....com
Cc:     Anshuman Khandual <anshuman.khandual@....com>,
        Sami Mujawar <sami.mujawar@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        James Clark <james.clark@....com>, coresight@...ts.linaro.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH V6 0/2] coresight: trbe: Enable ACPI based devices

These are remaining coresight patches after fixing the merge conflict which
applies on coresight/next coresight-next-v6.6.

Changes in V6:

- Fixed te merge conflict

Changes in V5:

https://lore.kernel.org/all/20230817055405.249630-1-anshuman.khandual@arm.com/

- Detected zeroed parsed GSI as a mismatch but handled all zero scenario
- Changed condition check from 'if (ret < 0)' into a 'if (ret)'
- Dropped pr_warn() message after platform_device_register()

Changes in V4:

https://lore.kernel.org/all/20230808082247.383405-1-anshuman.khandual@arm.com/

- Added in-code comment for arm_trbe_device_probe()
- Reverted back using IS_ENABLED() for SPE PMU platform device
- Replaced #ifdef with IS_ENABLED() for TRBE platform device
- Protected arm_trbe_acpi_match with ACPI_PTR() - preventing a build failure
  when CONFIG_ACPI is not enabled
- Added __maybe_unused for arm_acpi_register_pmu_device() and dropped config
  checks with IS_ENABLED()

Changes in V3:

https://lore.kernel.org/all/20230803055652.1322801-1-anshuman.khandual@arm.com/

- Changed ARMV8_TRBE_PDEV_NAME from "arm-trbe-acpi" into "arm,trbe"
- Dropped local variable 'matched'
- Replaced 'matched' with 'valid gsi' as being already matched once
- Moved find_acpi_cpu_topology_hetero_id() outside conditional check

Changes in V2:

https://lore.kernel.org/all/20230801094052.750416-1-anshuman.khandual@arm.com/

- Refactored arm_spe_acpi_register_device() in a separate patch
- Renamed trbe_acpi_resources as trbe_resources
- Renamed trbe_acpi_dev as trbe_dev

Changes in V1:

https://lore.kernel.org/all/20230728112733.359620-1-anshuman.khandual@arm.com/

Cc: Sami Mujawar <sami.mujawar@....com>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Suzuki K Poulose <suzuki.poulose@....com>
Cc: Mike Leach <mike.leach@...aro.org>
Cc: Leo Yan <leo.yan@...aro.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: James Clark <james.clark@....com>
Cc: coresight@...ts.linaro.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org

Anshuman Khandual (2):
  coresight: trbe: Add a representative coresight_platform_data for TRBE
  coresight: trbe: Enable ACPI based TRBE devices

 drivers/hwtracing/coresight/coresight-trbe.c | 23 ++++++++++++++++++--
 drivers/hwtracing/coresight/coresight-trbe.h |  2 ++
 2 files changed, 23 insertions(+), 2 deletions(-)

-- 
2.25.1