1 // SPDX-License-Identifier: GPL-2.0
18 	INIT_LIST_HEAD(&tz->user_thresholds);  in thermal_thresholds_init()
25 	struct list_head *thresholds = &tz->user_thresholds;  in __thermal_thresholds_flush()
29 		list_del(&entry->list_node);  in __thermal_thresholds_flush()
36 	lockdep_assert_held(&tz->lock);  in thermal_thresholds_flush()
57 	return t1->temperature - t2->temperature;  in __thermal_thresholds_cmp()
61 							int temperature)  in __thermal_thresholds_find()  argument
66 		if (t->temperature == temperature)  in __thermal_thresholds_find()
72 static bool thermal_thresholds_handle_raising(struct list_head *thresholds, int temperature,  in thermal_thresholds_handle_raising()  argument
79 		if (!(t->direction & THERMAL_THRESHOLD_WAY_UP))  in thermal_thresholds_handle_raising()
82 		if (temperature >= t->temperature &&  in thermal_thresholds_handle_raising()
83 		    last_temperature < t->temperature)  in thermal_thresholds_handle_raising()
90 static bool thermal_thresholds_handle_dropping(struct list_head *thresholds, int temperature,  in thermal_thresholds_handle_dropping()  argument
97 		if (!(t->direction & THERMAL_THRESHOLD_WAY_DOWN))  in thermal_thresholds_handle_dropping()
100 		if (temperature <= t->temperature &&  in thermal_thresholds_handle_dropping()
101 		    last_temperature > t->temperature)  in thermal_thresholds_handle_dropping()
108 static void thermal_threshold_find_boundaries(struct list_head *thresholds, int temperature,  in thermal_threshold_find_boundaries()  argument
114 		if (temperature < t->temperature &&  in thermal_threshold_find_boundaries()
115 		    (t->direction & THERMAL_THRESHOLD_WAY_UP) &&  in thermal_threshold_find_boundaries()
116 		    *high > t->temperature)  in thermal_threshold_find_boundaries()
117 			*high = t->temperature;  in thermal_threshold_find_boundaries()
121 		if (temperature > t->temperature &&  in thermal_threshold_find_boundaries()
122 		    (t->direction & THERMAL_THRESHOLD_WAY_DOWN) &&  in thermal_threshold_find_boundaries()
123 		    *low < t->temperature)  in thermal_threshold_find_boundaries()
124 			*low = t->temperature;  in thermal_threshold_find_boundaries()
130 	struct list_head *thresholds = &tz->user_thresholds;  in thermal_thresholds_handle()
132 	int temperature = tz->temperature;  in thermal_thresholds_handle()  local
133 	int last_temperature = tz->last_temperature;  in thermal_thresholds_handle()
135 	lockdep_assert_held(&tz->lock);  in thermal_thresholds_handle()
137 	thermal_threshold_find_boundaries(thresholds, temperature, low, high);  in thermal_thresholds_handle()
146 	 * The temperature is stable, so obviously we can not have  in thermal_thresholds_handle()
149 	if (last_temperature == temperature)  in thermal_thresholds_handle()
153 	 * Since last update the temperature:  in thermal_thresholds_handle()
154 	 * - increased : thresholds are crossed the way up  in thermal_thresholds_handle()
155 	 * - decreased : thresholds are crossed the way down  in thermal_thresholds_handle()
157 	if (temperature > last_temperature) {  in thermal_thresholds_handle()
159 						      temperature, last_temperature))  in thermal_thresholds_handle()
163 						       temperature, last_temperature))  in thermal_thresholds_handle()
169 			   int temperature, int direction)  in thermal_thresholds_add()  argument
171 	struct list_head *thresholds = &tz->user_thresholds;  in thermal_thresholds_add()
174 	lockdep_assert_held(&tz->lock);  in thermal_thresholds_add()
176 	t = __thermal_thresholds_find(thresholds, temperature);  in thermal_thresholds_add()
178 		if (t->direction == direction)  in thermal_thresholds_add()
179 			return -EEXIST;  in thermal_thresholds_add()
181 		t->direction |= direction;  in thermal_thresholds_add()
186 			return -ENOMEM;  in thermal_thresholds_add()
188 		INIT_LIST_HEAD(&t->list_node);  in thermal_thresholds_add()
189 		t->temperature = temperature;  in thermal_thresholds_add()
190 		t->direction = direction;  in thermal_thresholds_add()
191 		list_add(&t->list_node, thresholds);  in thermal_thresholds_add()
195 	thermal_notify_threshold_add(tz, temperature, direction);  in thermal_thresholds_add()
203 			      int temperature, int direction)  in thermal_thresholds_delete()  argument
205 	struct list_head *thresholds = &tz->user_thresholds;  in thermal_thresholds_delete()
208 	lockdep_assert_held(&tz->lock);  in thermal_thresholds_delete()
210 	t = __thermal_thresholds_find(thresholds, temperature);  in thermal_thresholds_delete()
212 		return -ENOENT;  in thermal_thresholds_delete()
214 	if (t->direction == direction) {  in thermal_thresholds_delete()
215 		list_del(&t->list_node);  in thermal_thresholds_delete()
218 		t->direction &= ~direction;  in thermal_thresholds_delete()
221 	thermal_notify_threshold_delete(tz, temperature, direction);  in thermal_thresholds_delete()
231 	struct list_head *thresholds = &tz->user_thresholds;  in thermal_thresholds_for_each()