diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c index 02331672b6db..7cfd7f153966 100644 --- a/arch/sh/kernel/perf_event.c +++ b/arch/sh/kernel/perf_event.c @@ -128,14 +128,6 @@ static int __hw_perf_event_init(struct perf_event *event) if (!sh_pmu_initialized()) return -ENODEV; - /* - * All of the on-chip counters are "limited", in that they have - * no interrupts, and are therefore unable to do sampling without - * further work and timer assistance. - */ - if (hwc->sample_period) - return -EINVAL; - /* * See if we need to reserve the counter. * @@ -392,6 +384,13 @@ int register_sh_pmu(struct sh_pmu *_pmu) pr_info("Performance Events: %s support registered\n", _pmu->name); + /* + * All of the on-chip counters are "limited", in that they have + * no interrupts, and are therefore unable to do sampling without + * further work and timer assistance. + */ + pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT; + WARN_ON(_pmu->num_events > MAX_HWEVENTS); perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW);