190 static u64 bfin_pfmon_read(int idx)  in bfin_pfmon_read()  argument
192 	return bfin_read32(PFCNTR0 + (idx * 4));  in bfin_pfmon_read()
195 static void bfin_pfmon_disable(struct hw_perf_event *hwc, int idx)  in bfin_pfmon_disable()  argument
197 	bfin_write_PFCTL(bfin_read_PFCTL() & ~PFCEN(idx, PFCEN_MASK));  in bfin_pfmon_disable()
200 static void bfin_pfmon_enable(struct hw_perf_event *hwc, int idx)  in bfin_pfmon_enable()  argument
205 	if (idx) {  in bfin_pfmon_enable()
261 				   struct hw_perf_event *hwc, int idx)  in bfin_perf_event_update()  argument
281 	new_raw_count = bfin_pfmon_read(idx);  in bfin_perf_event_update()
305 	int idx = hwc->idx;  in bfin_pmu_stop()  local
308 		bfin_pfmon_disable(hwc, idx);  in bfin_pmu_stop()
309 		cpuc->events[idx] = NULL;  in bfin_pmu_stop()
314 		bfin_perf_event_update(event, &event->hw, idx);  in bfin_pmu_stop()
323 	int idx = hwc->idx;  in bfin_pmu_start()  local
325 	if (WARN_ON_ONCE(idx == -1))  in bfin_pmu_start()
331 	cpuc->events[idx] = event;  in bfin_pmu_start()
333 	bfin_pfmon_enable(hwc, idx);  in bfin_pmu_start()
341 	__clear_bit(event->hw.idx, cpuc->used_mask);  in bfin_pmu_del()
350 	int idx = hwc->idx;  in bfin_pmu_add()  local
355 	if (__test_and_set_bit(idx, cpuc->used_mask)) {  in bfin_pmu_add()
356 		idx = find_first_zero_bit(cpuc->used_mask, MAX_HWEVENTS);  in bfin_pmu_add()
357 		if (idx == MAX_HWEVENTS)  in bfin_pmu_add()
360 		__set_bit(idx, cpuc->used_mask);  in bfin_pmu_add()
361 		hwc->idx = idx;  in bfin_pmu_add()
364 	bfin_pfmon_disable(hwc, idx);  in bfin_pmu_add()
379 	bfin_perf_event_update(event, &event->hw, event->hw.idx);  in bfin_pmu_read()
434 		bfin_pfmon_enable(hwc, hwc->idx);  in bfin_pmu_enable()