63 	struct power_supply *psy = data;  in __power_supply_changed_work()  local
66 	if (__power_supply_is_supplied_by(psy, pst)) {  in __power_supply_changed_work()
77 	struct power_supply *psy = container_of(work, struct power_supply,  in power_supply_changed_work()  local
80 	dev_dbg(&psy->dev, "%s\n", __func__);  in power_supply_changed_work()
82 	spin_lock_irqsave(&psy->changed_lock, flags);  in power_supply_changed_work()
90 	if (likely(psy->changed)) {  in power_supply_changed_work()
91 		psy->changed = false;  in power_supply_changed_work()
92 		spin_unlock_irqrestore(&psy->changed_lock, flags);  in power_supply_changed_work()
93 		class_for_each_device(power_supply_class, NULL, psy,  in power_supply_changed_work()
95 		power_supply_update_leds(psy);  in power_supply_changed_work()
97 				PSY_EVENT_PROP_CHANGED, psy);  in power_supply_changed_work()
98 		kobject_uevent(&psy->dev.kobj, KOBJ_CHANGE);  in power_supply_changed_work()
99 		spin_lock_irqsave(&psy->changed_lock, flags);  in power_supply_changed_work()
107 	if (likely(!psy->changed))  in power_supply_changed_work()
108 		pm_relax(&psy->dev);  in power_supply_changed_work()
109 	spin_unlock_irqrestore(&psy->changed_lock, flags);  in power_supply_changed_work()
112 void power_supply_changed(struct power_supply *psy)  in power_supply_changed()  argument
116 	dev_dbg(&psy->dev, "%s\n", __func__);  in power_supply_changed()
118 	spin_lock_irqsave(&psy->changed_lock, flags);  in power_supply_changed()
119 	psy->changed = true;  in power_supply_changed()
120 	pm_stay_awake(&psy->dev);  in power_supply_changed()
121 	spin_unlock_irqrestore(&psy->changed_lock, flags);  in power_supply_changed()
122 	schedule_work(&psy->changed_work);  in power_supply_changed()
138 	struct power_supply *psy = container_of(work, struct power_supply,  in power_supply_deferred_register_work()  local
141 	if (psy->dev.parent)  in power_supply_deferred_register_work()
142 		mutex_lock(&psy->dev.parent->mutex);  in power_supply_deferred_register_work()
144 	power_supply_changed(psy);  in power_supply_deferred_register_work()
146 	if (psy->dev.parent)  in power_supply_deferred_register_work()
147 		mutex_unlock(&psy->dev.parent->mutex);  in power_supply_deferred_register_work()
156 	struct power_supply *psy = data;  in __power_supply_populate_supplied_from()  local
162 		np = of_parse_phandle(psy->of_node, "power-supplies", i++);  in __power_supply_populate_supplied_from()
167 			dev_info(&psy->dev, "%s: Found supply : %s\n",  in __power_supply_populate_supplied_from()
168 				psy->desc->name, epsy->desc->name);  in __power_supply_populate_supplied_from()
169 			psy->supplied_from[i-1] = (char *)epsy->desc->name;  in __power_supply_populate_supplied_from()
170 			psy->num_supplies++;  in __power_supply_populate_supplied_from()
180 static int power_supply_populate_supplied_from(struct power_supply *psy)  in power_supply_populate_supplied_from()  argument
184 	error = class_for_each_device(power_supply_class, NULL, psy,  in power_supply_populate_supplied_from()
187 	dev_dbg(&psy->dev, "%s %d\n", __func__, error);  in power_supply_populate_supplied_from()
225 static int power_supply_check_supplies(struct power_supply *psy)  in power_supply_check_supplies()  argument
231 	if (psy->supplied_from && psy->num_supplies > 0)  in power_supply_check_supplies()
235 	if (!psy->of_node)  in power_supply_check_supplies()
241 		np = of_parse_phandle(psy->of_node, "power-supplies", cnt++);  in power_supply_check_supplies()
249 			dev_dbg(&psy->dev, "Failed to find supply!\n");  in power_supply_check_supplies()
259 	psy->supplied_from = devm_kzalloc(&psy->dev, sizeof(psy->supplied_from),  in power_supply_check_supplies()
261 	if (!psy->supplied_from) {  in power_supply_check_supplies()
262 		dev_err(&psy->dev, "Couldn't allocate memory for supply list\n");  in power_supply_check_supplies()
266 	*psy->supplied_from = devm_kzalloc(&psy->dev,  in power_supply_check_supplies()
269 	if (!*psy->supplied_from) {  in power_supply_check_supplies()
270 		dev_err(&psy->dev, "Couldn't allocate memory for supply list\n");  in power_supply_check_supplies()
274 	return power_supply_populate_supplied_from(psy);  in power_supply_check_supplies()
277 static inline int power_supply_check_supplies(struct power_supply *psy)  in power_supply_check_supplies()  argument
286 	struct power_supply *psy = data;  in __power_supply_am_i_supplied()  local
289 	if (__power_supply_is_supplied_by(epsy, psy))  in __power_supply_am_i_supplied()
297 int power_supply_am_i_supplied(struct power_supply *psy)  in power_supply_am_i_supplied()  argument
301 	error = class_for_each_device(power_supply_class, NULL, psy,  in power_supply_am_i_supplied()
304 	dev_dbg(&psy->dev, "%s %d\n", __func__, error);  in power_supply_am_i_supplied()
313 	struct power_supply *psy = dev_get_drvdata(dev);  in __power_supply_is_system_supplied()  local
317 	if (psy->desc->type != POWER_SUPPLY_TYPE_BATTERY)  in __power_supply_is_system_supplied()
318 		if (!psy->desc->get_property(psy, POWER_SUPPLY_PROP_ONLINE,  in __power_supply_is_system_supplied()
344 int power_supply_set_battery_charged(struct power_supply *psy)  in power_supply_set_battery_charged()  argument
346 	if (atomic_read(&psy->use_cnt) >= 0 &&  in power_supply_set_battery_charged()
347 			psy->desc->type == POWER_SUPPLY_TYPE_BATTERY &&  in power_supply_set_battery_charged()
348 			psy->desc->set_charged) {  in power_supply_set_battery_charged()
349 		psy->desc->set_charged(psy);  in power_supply_set_battery_charged()
360 	struct power_supply *psy = dev_get_drvdata(dev);  in power_supply_match_device_by_name()  local
362 	return strcmp(psy->desc->name, name) == 0;  in power_supply_match_device_by_name()
378 	struct power_supply *psy = NULL;  in power_supply_get_by_name()  local
383 		psy = dev_get_drvdata(dev);  in power_supply_get_by_name()
384 		atomic_inc(&psy->use_cnt);  in power_supply_get_by_name()
387 	return psy;  in power_supply_get_by_name()
398 void power_supply_put(struct power_supply *psy)  in power_supply_put()  argument
402 	atomic_dec(&psy->use_cnt);  in power_supply_put()
403 	put_device(&psy->dev);  in power_supply_put()
429 	struct power_supply *psy = NULL;  in power_supply_get_by_phandle()  local
442 		psy = dev_get_drvdata(dev);  in power_supply_get_by_phandle()
443 		atomic_inc(&psy->use_cnt);  in power_supply_get_by_phandle()
446 	return psy;  in power_supply_get_by_phandle()
451 int power_supply_get_property(struct power_supply *psy,  in power_supply_get_property()  argument
455 	if (atomic_read(&psy->use_cnt) <= 0)  in power_supply_get_property()
458 	return psy->desc->get_property(psy, psp, val);  in power_supply_get_property()
462 int power_supply_set_property(struct power_supply *psy,  in power_supply_set_property()  argument
466 	if (atomic_read(&psy->use_cnt) <= 0 || !psy->desc->set_property)  in power_supply_set_property()
469 	return psy->desc->set_property(psy, psp, val);  in power_supply_set_property()
473 int power_supply_property_is_writeable(struct power_supply *psy,  in power_supply_property_is_writeable()  argument
476 	if (atomic_read(&psy->use_cnt) <= 0 ||  in power_supply_property_is_writeable()
477 			!psy->desc->property_is_writeable)  in power_supply_property_is_writeable()
480 	return psy->desc->property_is_writeable(psy, psp);  in power_supply_property_is_writeable()
484 void power_supply_external_power_changed(struct power_supply *psy)  in power_supply_external_power_changed()  argument
486 	if (atomic_read(&psy->use_cnt) <= 0 ||  in power_supply_external_power_changed()
487 			!psy->desc->external_power_changed)  in power_supply_external_power_changed()
490 	psy->desc->external_power_changed(psy);  in power_supply_external_power_changed()
494 int power_supply_powers(struct power_supply *psy, struct device *dev)  in power_supply_powers()  argument
496 	return sysfs_create_link(&psy->dev.kobj, &dev->kobj, "powers");  in power_supply_powers()
502 	struct power_supply *psy = container_of(dev, struct power_supply, dev);  in power_supply_dev_release()  local
504 	kfree(psy);  in power_supply_dev_release()
523 	struct power_supply *psy;  in power_supply_read_temp()  local
528 	psy = tzd->devdata;  in power_supply_read_temp()
529 	ret = psy->desc->get_property(psy, POWER_SUPPLY_PROP_TEMP, &val);  in power_supply_read_temp()
542 static int psy_register_thermal(struct power_supply *psy)  in psy_register_thermal()  argument
546 	if (psy->desc->no_thermal)  in psy_register_thermal()
550 	for (i = 0; i < psy->desc->num_properties; i++) {  in psy_register_thermal()
551 		if (psy->desc->properties[i] == POWER_SUPPLY_PROP_TEMP) {  in psy_register_thermal()
552 			psy->tzd = thermal_zone_device_register(psy->desc->name,  in psy_register_thermal()
553 					0, 0, psy, &psy_tzd_ops, NULL, 0, 0);  in psy_register_thermal()
554 			return PTR_ERR_OR_ZERO(psy->tzd);  in psy_register_thermal()
560 static void psy_unregister_thermal(struct power_supply *psy)  in psy_unregister_thermal()  argument
562 	if (IS_ERR_OR_NULL(psy->tzd))  in psy_unregister_thermal()
564 	thermal_zone_device_unregister(psy->tzd);  in psy_unregister_thermal()
571 	struct power_supply *psy;  in ps_get_max_charge_cntl_limit()  local
575 	psy = tcd->devdata;  in ps_get_max_charge_cntl_limit()
576 	ret = psy->desc->get_property(psy,  in ps_get_max_charge_cntl_limit()
587 	struct power_supply *psy;  in ps_get_cur_chrage_cntl_limit()  local
591 	psy = tcd->devdata;  in ps_get_cur_chrage_cntl_limit()
592 	ret = psy->desc->get_property(psy,  in ps_get_cur_chrage_cntl_limit()
603 	struct power_supply *psy;  in ps_set_cur_charge_cntl_limit()  local
607 	psy = tcd->devdata;  in ps_set_cur_charge_cntl_limit()
609 	ret = psy->desc->set_property(psy,  in ps_set_cur_charge_cntl_limit()
621 static int psy_register_cooler(struct power_supply *psy)  in psy_register_cooler()  argument
626 	for (i = 0; i < psy->desc->num_properties; i++) {  in psy_register_cooler()
627 		if (psy->desc->properties[i] ==  in psy_register_cooler()
629 			psy->tcd = thermal_cooling_device_register(  in psy_register_cooler()
630 							(char *)psy->desc->name,  in psy_register_cooler()
631 							psy, &psy_tcd_ops);  in psy_register_cooler()
632 			return PTR_ERR_OR_ZERO(psy->tcd);  in psy_register_cooler()
638 static void psy_unregister_cooler(struct power_supply *psy)  in psy_unregister_cooler()  argument
640 	if (IS_ERR_OR_NULL(psy->tcd))  in psy_unregister_cooler()
642 	thermal_cooling_device_unregister(psy->tcd);  in psy_unregister_cooler()
645 static int psy_register_thermal(struct power_supply *psy)  in psy_register_thermal()  argument
650 static void psy_unregister_thermal(struct power_supply *psy)  in psy_unregister_thermal()  argument
654 static int psy_register_cooler(struct power_supply *psy)  in psy_register_cooler()  argument
659 static void psy_unregister_cooler(struct power_supply *psy)  in psy_unregister_cooler()  argument
671 	struct power_supply *psy;  in __power_supply_register()  local
678 	psy = kzalloc(sizeof(*psy), GFP_KERNEL);  in __power_supply_register()
679 	if (!psy)  in __power_supply_register()
682 	dev = &psy->dev;  in __power_supply_register()
690 	dev_set_drvdata(dev, psy);  in __power_supply_register()
691 	psy->desc = desc;  in __power_supply_register()
693 		psy->drv_data = cfg->drv_data;  in __power_supply_register()
694 		psy->of_node = cfg->of_node;  in __power_supply_register()
695 		psy->supplied_to = cfg->supplied_to;  in __power_supply_register()
696 		psy->num_supplicants = cfg->num_supplicants;  in __power_supply_register()
703 	INIT_WORK(&psy->changed_work, power_supply_changed_work);  in __power_supply_register()
704 	INIT_DELAYED_WORK(&psy->deferred_register_work,  in __power_supply_register()
707 	rc = power_supply_check_supplies(psy);  in __power_supply_register()
713 	spin_lock_init(&psy->changed_lock);  in __power_supply_register()
722 	rc = psy_register_thermal(psy);  in __power_supply_register()
726 	rc = psy_register_cooler(psy);  in __power_supply_register()
730 	rc = power_supply_create_triggers(psy);  in __power_supply_register()
743 	atomic_inc(&psy->use_cnt);  in __power_supply_register()
746 			   &psy->deferred_register_work,  in __power_supply_register()
749 	return psy;  in __power_supply_register()
752 	psy_unregister_cooler(psy);  in __power_supply_register()
754 	psy_unregister_thermal(psy);  in __power_supply_register()
812 	struct power_supply **psy = res;  in devm_power_supply_release()  local
814 	power_supply_unregister(*psy);  in devm_power_supply_release()
836 	struct power_supply **ptr, *psy;  in devm_power_supply_register()  local
842 	psy = __power_supply_register(parent, desc, cfg, true);  in devm_power_supply_register()
843 	if (IS_ERR(psy)) {  in devm_power_supply_register()
846 		*ptr = psy;  in devm_power_supply_register()
849 	return psy;  in devm_power_supply_register()
872 	struct power_supply **ptr, *psy;  in devm_power_supply_register_no_ws()  local
878 	psy = __power_supply_register(parent, desc, cfg, false);  in devm_power_supply_register_no_ws()
879 	if (IS_ERR(psy)) {  in devm_power_supply_register_no_ws()
882 		*ptr = psy;  in devm_power_supply_register_no_ws()
885 	return psy;  in devm_power_supply_register_no_ws()
896 void power_supply_unregister(struct power_supply *psy)  in power_supply_unregister()  argument
898 	WARN_ON(atomic_dec_return(&psy->use_cnt));  in power_supply_unregister()
899 	cancel_work_sync(&psy->changed_work);  in power_supply_unregister()
900 	cancel_delayed_work_sync(&psy->deferred_register_work);  in power_supply_unregister()
901 	sysfs_remove_link(&psy->dev.kobj, "powers");  in power_supply_unregister()
902 	power_supply_remove_triggers(psy);  in power_supply_unregister()
903 	psy_unregister_cooler(psy);  in power_supply_unregister()
904 	psy_unregister_thermal(psy);  in power_supply_unregister()
905 	device_init_wakeup(&psy->dev, false);  in power_supply_unregister()
906 	device_unregister(&psy->dev);  in power_supply_unregister()
910 void *power_supply_get_drvdata(struct power_supply *psy)  in power_supply_get_drvdata()  argument
912 	return psy->drv_data;  in power_supply_get_drvdata()