linux-kernel - [PATCH V2 0/7] coresight: Move remaining AMBA ACPI devices into platform driver

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Message-Id: <20231201062053.1268492-1-anshuman.khandual@arm.com>
Date:   Fri,  1 Dec 2023 11:50:46 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     linux-arm-kernel@...ts.infradead.org, suzuki.poulose@....com
Cc:     Anshuman Khandual <anshuman.khandual@....com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Mike Leach <mike.leach@...aro.org>,
        James Clark <james.clark@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        coresight@...ts.linaro.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: [PATCH V2 0/7] coresight: Move remaining AMBA ACPI devices into platform driver

This moves remaining AMBA ACPI devices into respective platform drivers for
enabling ACPI based power management support. This series applies on latest
coresight/next branch. This series has been built, and boot tested on a DT
based coresight platform. Although this still requires some more testing on
ACPI based coresight platforms.

https://git.gitlab.arm.com/linux-arm/linux-anshuman.git (amba_other_acpi_migration_v2)

Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc: Sudeep Holla <sudeep.holla@....com>
Cc: Suzuki K Poulose <suzuki.poulose@....com>
Cc: Mike Leach <mike.leach@...aro.org>
Cc: James Clark <james.clark@....com>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc: linux-acpi@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Cc: coresight@...ts.linaro.org
Cc: linux-stm32@...md-mailman.stormreply.com

Changes in V2:

- Dropped redundant devm_ioremap_resource() hunk from tmc_platform_probe()
- Defined coresight_[init|remove]_driver() for both AMBA/platform drivers
- Changed catu, tmc, tpiu, stm and debug coresight drivers to use the new
  helpers avoiding build issues arising from module_amba_driver(), and
  module_platform_driver() being on the same file

Changes in V1:

https://lore.kernel.org/all/20231027072943.3418997-1-anshuman.khandual@arm.com/

- Replaced all IS_ERR() instances with IS_ERR_OR_NULL() as per Suzuki

Changes in RFC:

https://lore.kernel.org/all/20230921042040.1334641-1-anshuman.khandual@arm.com/

Anshuman Khandual (7):
  coresight: replicator: Move ACPI support from AMBA driver to platform driver
  coresight: funnel: Move ACPI support from AMBA driver to platform driver
  coresight: catu: Move ACPI support from AMBA driver to platform driver
  coresight: tpiu: Move ACPI support from AMBA driver to platform driver
  coresight: tmc: Move ACPI support from AMBA driver to platform driver
  coresight: stm: Move ACPI support from AMBA driver to platform driver
  coresight: debug: Move ACPI support from AMBA driver to platform driver

 drivers/acpi/arm64/amba.c                     |   8 -
 drivers/hwtracing/coresight/coresight-catu.c  | 130 +++++++++++++---
 drivers/hwtracing/coresight/coresight-catu.h  |   1 +
 drivers/hwtracing/coresight/coresight-core.c  |  29 ++++
 .../hwtracing/coresight/coresight-cpu-debug.c | 141 ++++++++++++++++--
 .../hwtracing/coresight/coresight-funnel.c    |  49 +++---
 .../coresight/coresight-replicator.c          |  44 +++---
 drivers/hwtracing/coresight/coresight-stm.c   |  91 +++++++++--
 .../hwtracing/coresight/coresight-tmc-core.c  | 130 ++++++++++++++--
 drivers/hwtracing/coresight/coresight-tmc.h   |   1 +
 drivers/hwtracing/coresight/coresight-tpiu.c  |  87 ++++++++++-
 include/linux/coresight.h                     |   7 +
 12 files changed, 608 insertions(+), 110 deletions(-)

-- 
2.25.1