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arm_pmu: Clean up maximum period handling

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Each PMU defines their max_period of the counter as the maximum
value that can be counted. Since all the PMU backends support
32bit counters by default, let us remove the redundant field.

No functional changes.

Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Julien Thierry <julien.thierry@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Suzuki K Poulose
2018-07-10 09:57:58 +01:00
committed by Will Deacon
parent 64b2f02571
commit 8d3e994241
6 changed files with 12 additions and 11 deletions
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arch/arm64/kernel/perf_event.c
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@@ -960,7 +960,6 @@ static int armv8_pmu_init(struct arm_pmu *cpu_pmu)
cpu_pmu->start = armv8pmu_start,
cpu_pmu->stop = armv8pmu_stop,
cpu_pmu->reset = armv8pmu_reset,
cpu_pmu->max_period = (1LLU << 32) - 1,
cpu_pmu->set_event_filter = armv8pmu_set_event_filter;
return 0;