coresight: replicator: Move ACPI support from AMBA driver to platform driver
authorAnshuman Khandual <anshuman.khandual@arm.com>
Thu, 14 Mar 2024 05:58:37 +0000 (11:28 +0530)
committerSuzuki K Poulose <suzuki.poulose@arm.com>
Tue, 16 Apr 2024 10:30:42 +0000 (11:30 +0100)
commitb448c4c72ca3327232dfb20d0065b693b3fcc2e2
treefd2ae19648d6d75cb237dce2f429e42f228547fb
parent075b7cd7ad7dec8651a6a6654fa5ebae436ac00f
coresight: replicator: Move ACPI support from AMBA driver to platform driver

Add support for the dynamic replicator device in the platform driver, which
can then be used on ACPI based platforms. This change would now allow
runtime power management for replicator devices on ACPI based systems.

The driver would try to enable the APB clock if available. Also, rename the
code to reflect the fact that it now handles both static and dynamic
replicators. But first this refactors replicator_probe() making sure it can
be used both for platform and AMBA drivers, by moving the pm_runtime_put()
to the callers.

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: linux-acpi@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: coresight@lists.linaro.org
Tested-by: Sudeep Holla <sudeep.holla@arm.com> # Boot and driver probe only
Acked-by: Sudeep Holla <sudeep.holla@arm.com> # For ACPI related changes
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240314055843.2625883-6-anshuman.khandual@arm.com
drivers/acpi/arm64/amba.c
drivers/hwtracing/coresight/coresight-replicator.c