| Message ID | 20240123054608.1790189-1-anshuman.khandual@arm.com |
|---|---|
| Headers | show |
| Series | coresight: Move remaining AMBA ACPI devices into platform driver | expand |
On 23/01/2024 05:45, Anshuman Khandual wrote: > This moves remaining AMBA ACPI devices into respective platform drivers for > enabling ACPI based power management support. This series applies on kernel > v6.8-rc1 release. 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_v4) > > Cc: Lorenzo Pieralisi <lpieralisi@kernel.org> > Cc: Sudeep Holla <sudeep.holla@arm.com> > Cc: Suzuki K Poulose <suzuki.poulose@arm.com> > Cc: Mike Leach <mike.leach@linaro.org> > Cc: James Clark <james.clark@arm.com> > Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> > Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> > Cc: linux-acpi@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Cc: coresight@lists.linaro.org > Cc: linux-stm32@st-md-mailman.stormreply.com > Reviewed-by: James Clark <james.clark@arm.com> > Changes in V4: > > - Fixed PM imbalance in etm4_probe() error path with pm_runtime_disable() > - Restored back the pm_runtime_disable() on platform probe error paths > in replicator, funnel, catu, tpiu, tmc and stm devices > - Dropped dev_caps argument from __tmc_probe() > - Changed xxxx_platform_remove() for platform_driver->remove_new() callback > > Changes in V3: > > https://lore.kernel.org/all/20231208053939.42901-1-anshuman.khandual@arm.com/ > > - Split coresight_init_driver/remove_driver() helpers into a separate patch > - Added 'drvdata->pclk' comments in replicator, funnel, tpiu, tmc, and stm devices > - Updated funnel, and replicator drivers to use these new helpers > - Check for drvdata instead of drvdata->pclk in suspend and resume paths in catu, > tmc and debug devices > - Added patch to extract device name from AMBA pid based table lookup for stm > - Added patch to extract device properties from AMBA pid based table look for tmc > - Dropped pm_runtime_put() from common __probe() functions > - Handled pm_runtime_put() in AMBA driver in success path > - Handled pm_runtime_put() in platform driver in both success and error paths > > Changes in V2: > > https://lore.kernel.org/all/20231201062053.1268492-1-anshuman.khandual@arm.com/ > > - 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 (11): > coresight: etm4x: Fix unbalanced pm_runtime_enable() > coresight: stm: Extract device name from AMBA pid based table lookup > coresight: tmc: Extract device properties from AMBA pid based table lookup > coresight: Add helpers registering/removing both AMBA and platform drivers > 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 | 142 +++++++++++++--- > drivers/hwtracing/coresight/coresight-catu.h | 1 + > drivers/hwtracing/coresight/coresight-core.c | 29 ++++ > .../hwtracing/coresight/coresight-cpu-debug.c | 141 ++++++++++++++-- > .../coresight/coresight-etm4x-core.c | 3 + > .../hwtracing/coresight/coresight-funnel.c | 86 +++++----- > drivers/hwtracing/coresight/coresight-priv.h | 10 ++ > .../coresight/coresight-replicator.c | 81 ++++----- > drivers/hwtracing/coresight/coresight-stm.c | 117 +++++++++++-- > .../hwtracing/coresight/coresight-tmc-core.c | 158 +++++++++++++++--- > drivers/hwtracing/coresight/coresight-tmc.h | 2 + > drivers/hwtracing/coresight/coresight-tpiu.c | 102 +++++++++-- > include/linux/coresight.h | 7 + > 14 files changed, 726 insertions(+), 161 deletions(-) >