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2023-10-10perf: arm_cspmu: ampere_cspmu: Add support for Ampere SoC PMUIlkka Koskinen1-0/+29
Ampere SoC PMU follows CoreSight PMU architecture. It uses implementation specific registers to filter events rather than PMEVFILTnR registers. Signed-off-by: Ilkka Koskinen <ilkka@os.amperecomputing.com> Link: https://lore.kernel.org/r/20230913233941.9814-5-ilkka@os.amperecomputing.com [will: Include linux/io.h in ampere_cspmu.c for writel()] Signed-off-by: Will Deacon <will@kernel.org>