diff options
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/arm-cci.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c index 5fb1c06e0020..6a76ac76fb8b 100644 --- a/drivers/bus/arm-cci.c +++ b/drivers/bus/arm-cci.c @@ -771,6 +771,21 @@ static void pmu_write_counter(struct perf_event *event, u32 value) pmu_write_register(cci_pmu, value, idx, CCI_PMU_CNTR); } +static void __maybe_unused +pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *mask) +{ + int i; + struct cci_pmu_hw_events *cci_hw = &cci_pmu->hw_events; + + for_each_set_bit(i, mask, cci_pmu->num_cntrs) { + struct perf_event *event = cci_hw->events[i]; + + if (WARN_ON(!event)) + continue; + pmu_write_counter(event, local64_read(&event->hw.prev_count)); + } +} + static u64 pmu_event_update(struct perf_event *event) { struct hw_perf_event *hwc = &event->hw; |