156 static void teo_update(struct cpuidle_driver *drv, struct cpuidle_device *dev)  in teo_update()  argument
172 		u64 lat_ns = drv->states[dev->last_state_idx].exit_latency_ns;  in teo_update()
196 	for (i = 0; i < drv->state_count; i++) {  in teo_update()
202 		target_residency_ns = drv->states[i].target_residency_ns;  in teo_update()
230 static bool teo_state_ok(int i, struct cpuidle_driver *drv)  in teo_state_ok()  argument
233 		drv->states[i].target_residency_ns >= TICK_NSEC;  in teo_state_ok()
244 static int teo_find_shallower_state(struct cpuidle_driver *drv,  in teo_find_shallower_state()  argument
252 				(no_poll && drv->states[i].flags & CPUIDLE_FLAG_POLLING))  in teo_find_shallower_state()
256 		if (drv->states[i].target_residency_ns <= duration_ns)  in teo_find_shallower_state()
268 static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,  in teo_select()  argument
284 		teo_update(drv, dev);  in teo_select()
300 	if (drv->state_count < 2) {  in teo_select()
309 	for (i = 1; i < drv->state_count; i++) {  in teo_select()
311 		struct cpuidle_state *s = &drv->states[i];  in teo_select()
347 		duration_ns = drv->states[idx].target_residency_ns;  in teo_select()
382 				if (teo_state_ok(i, drv) &&  in teo_select()
394 			if (teo_state_ok(i, drv)) {  in teo_select()
446 	if ((!idx || drv->states[idx].target_residency_ns < RESIDENCY_THRESHOLD_NS) &&  in teo_select()
461 	if (drv->states[idx].target_residency_ns > duration_ns) {  in teo_select()
462 		i = teo_find_shallower_state(drv, dev, idx, duration_ns, false);  in teo_select()
463 		if (teo_state_ok(i, drv))  in teo_select()
472 	if (drv->states[idx].target_residency_ns < TICK_NSEC &&  in teo_select()
482 	if ((!(drv->states[idx].flags & CPUIDLE_FLAG_POLLING) &&  in teo_select()
492 	    drv->states[idx].target_residency_ns > delta_tick)  in teo_select()
493 		idx = teo_find_shallower_state(drv, dev, idx, delta_tick, false);  in teo_select()
528 static int teo_enable_device(struct cpuidle_driver *drv,  in teo_enable_device()  argument