45  * Governor section: set of functions to handle thermal governors
48  * the thermal core and by the thermal governor code.
66  * bind_previous_governor() - bind the previous governor of the thermal zone
68  * @failed_gov_name:	the name of the governor that failed to register
70  * Register the previous governor of the thermal zone after a new
71  * governor has failed to be bound.
76 	if (tz->governor && tz->governor->bind_to_tz) {  in bind_previous_governor()
77 		if (tz->governor->bind_to_tz(tz)) {  in bind_previous_governor()
79 …"governor %s failed to bind and the previous one (%s) failed to bind again, thermal zone %s has no…  in bind_previous_governor()
80 				failed_gov_name, tz->governor->name, tz->type);  in bind_previous_governor()
81 			tz->governor = NULL;  in bind_previous_governor()
87  * thermal_set_governor() - Switch to another governor
89  * @new_gov:	pointer to the new governor
91  * Change the governor of thermal zone @tz.
93  * Return: 0 on success, an error if the new governor's bind_to_tz() failed.
100 	if (tz->governor && tz->governor->unbind_from_tz)  in thermal_set_governor()
101 		tz->governor->unbind_from_tz(tz);  in thermal_set_governor()
112 	tz->governor = new_gov;  in thermal_set_governor()
117 int thermal_register_governor(struct thermal_governor *governor)  in thermal_register_governor()  argument
123 	if (!governor)  in thermal_register_governor()
129 	if (!__find_governor(governor->name)) {  in thermal_register_governor()
133 		list_add(&governor->governor_list, &thermal_governor_list);  in thermal_register_governor()
134 		match_default = !strncmp(governor->name,  in thermal_register_governor()
139 			def_governor = governor;  in thermal_register_governor()
149 		if (pos->governor)  in thermal_register_governor()
154 		if (!strncasecmp(name, governor->name, THERMAL_NAME_LENGTH)) {  in thermal_register_governor()
157 			ret = thermal_set_governor(pos, governor);  in thermal_register_governor()
160 					"Failed to set governor %s for thermal zone %s: %d\n",  in thermal_register_governor()
161 					governor->name, pos->type, ret);  in thermal_register_governor()
168 void thermal_unregister_governor(struct thermal_governor *governor)  in thermal_unregister_governor()  argument
172 	if (!governor)  in thermal_unregister_governor()
177 	if (!__find_governor(governor->name))  in thermal_unregister_governor()
180 	list_del(&governor->governor_list);  in thermal_unregister_governor()
185 		if (!strncasecmp(pos->governor->name, governor->name,  in thermal_unregister_governor()
226 	struct thermal_governor **governor;  in thermal_unregister_governors()  local
228 	for_each_governor_table(governor)  in thermal_unregister_governors()
229 		thermal_unregister_governor(*governor);  in thermal_unregister_governors()
235 	struct thermal_governor **governor;  in thermal_register_governors()  local
237 	for_each_governor_table(governor) {  in thermal_register_governors()
238 		ret = thermal_register_governor(*governor);  in thermal_register_governors()
240 			pr_err("Failed to register governor: '%s'",  in thermal_register_governors()
241 			       (*governor)->name);  in thermal_register_governors()
245 		pr_info("Registered thermal governor '%s'",  in thermal_register_governors()
246 			(*governor)->name);  in thermal_register_governors()
253 			if (gov == governor)  in thermal_register_governors()
306  * - Non-critical trips will invoke the governor responsible for that zone;
357 	if (tz->governor)  in thermal_get_tz_governor()
358 		return tz->governor;  in thermal_get_tz_governor()
366 	if (!tz->governor || !tz->governor->update_tz)  in thermal_governor_update_tz()
369 	tz->governor->update_tz(tz, reason);  in thermal_governor_update_tz()
453 static void thermal_governor_trip_crossed(struct thermal_governor *governor,  in thermal_governor_trip_crossed()  argument
461 	if (governor->trip_crossed)  in thermal_governor_trip_crossed()
462 		governor->trip_crossed(tz, trip, upward);  in thermal_governor_trip_crossed()
467 				 struct thermal_governor *governor,  in thermal_trip_crossed()  argument
489 	thermal_governor_trip_crossed(governor, tz, trip, upward);  in thermal_trip_crossed()
559 				      struct thermal_governor *governor,  in thermal_zone_handle_trips()  argument
570 		thermal_trip_crossed(tz, td, governor, false);  in thermal_zone_handle_trips()
582 		thermal_trip_crossed(tz, td, governor, true);  in thermal_zone_handle_trips()
609 	struct thermal_governor *governor = thermal_get_tz_governor(tz);  in __thermal_zone_device_update()  local
641 	thermal_zone_handle_trips(tz, governor, &low, &high);  in __thermal_zone_device_update()
647 	if (governor->manage)  in __thermal_zone_device_update()
648 		governor->manage(tz);  in __thermal_zone_device_update()
1431 	struct thermal_governor *governor;  in thermal_zone_init_governor()  local
1436 		governor = __find_governor(tz->tzp->governor_name);  in thermal_zone_init_governor()
1438 		governor = def_governor;  in thermal_zone_init_governor()
1440 	return thermal_set_governor(tz, governor);  in thermal_zone_init_governor()