Suzuki K Poulose e2da97d328 arm_pmu: Add support for 64bit event counters ... Each PMU has a set of 32bit event counters. But in some special cases, the events could be counted using counters which are effectively 64bit wide. e.g, Arm V8 PMUv3 has a 64 bit cycle counter which can count only the CPU cycles. Also, the PMU can chain the event counters to effectively count as a 64bit counter. Add support for tracking the events that uses 64bit counters. This only affects the periods set for each counter in the core driver. Cc: Will Deacon <will.deacon@arm.com> Reviewed-by: Julien Thierry <julien.thierry@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>		2018-07-10 18:19:02 +01:00
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arm_pmu.h	arm_pmu: Add support for 64bit event counters	2018-07-10 18:19:02 +01:00