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# a91bbd5c 16-Nov-2022 Besar Wicaksono <bwicaksono@nvidia.com>

perf: arm_cspmu: Fix module cyclic dependency

Build on arm64 allmodconfig failed with:
| depmod: ERROR: Cycle detected: arm_cspmu -> nvidia_cspmu -> arm_cspmu
| depmod: ERROR: Found 2 modules in

perf: arm_cspmu: Fix module cyclic dependency

Build on arm64 allmodconfig failed with:
| depmod: ERROR: Cycle detected: arm_cspmu -> nvidia_cspmu -> arm_cspmu
| depmod: ERROR: Found 2 modules in dependency cycles!

The arm_cspmu.c provides standard functions to operate the PMU and the
vendor code provides vendor specific attributes. Both need to be built as
single kernel module.

Update the makefile to compile sources under arm_cspmu into one module.

Signed-off-by: Besar Wicaksono <bwicaksono@nvidia.com>
Reviewed-and-Tested-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20221116203952.34168-1-bwicaksono@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>

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Revision tags: v6.0.9, v5.15.79
# 84481be7 11-Nov-2022 Besar Wicaksono <bwicaksono@nvidia.com>

perf: arm_cspmu: Add support for NVIDIA SCF and MCF attribute

Add support for NVIDIA System Cache Fabric (SCF) and Memory Control
Fabric (MCF) PMU attributes for CoreSight PMU implementation in
NVID

perf: arm_cspmu: Add support for NVIDIA SCF and MCF attribute

Add support for NVIDIA System Cache Fabric (SCF) and Memory Control
Fabric (MCF) PMU attributes for CoreSight PMU implementation in
NVIDIA devices.

Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Besar Wicaksono <bwicaksono@nvidia.com>
Link: https://lore.kernel.org/r/20221111222330.48602-3-bwicaksono@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>

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# e37dfd65 11-Nov-2022 Besar Wicaksono <bwicaksono@nvidia.com>

perf: arm_cspmu: Add support for ARM CoreSight PMU driver

Add support for ARM CoreSight PMU driver framework and interfaces.
The driver provides generic implementation to operate uncore PMU based
on

perf: arm_cspmu: Add support for ARM CoreSight PMU driver

Add support for ARM CoreSight PMU driver framework and interfaces.
The driver provides generic implementation to operate uncore PMU based
on ARM CoreSight PMU architecture. The driver also provides interface
to get vendor/implementation specific information, for example event
attributes and formating.

The specification used in this implementation can be found below:
* ACPI Arm Performance Monitoring Unit table:
https://developer.arm.com/documentation/den0117/latest
* ARM Coresight PMU architecture:
https://developer.arm.com/documentation/ihi0091/latest

Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Besar Wicaksono <bwicaksono@nvidia.com>
Link: https://lore.kernel.org/r/20221111222330.48602-2-bwicaksono@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>

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