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()
452 	struct power_supply **psy = res;  in devm_power_supply_put()  local
454 	power_supply_put(*psy);  in devm_power_supply_put()
469 	struct power_supply **ptr, *psy;  in devm_power_supply_get_by_phandle()  local
478 	psy = power_supply_get_by_phandle(dev->of_node, property);  in devm_power_supply_get_by_phandle()
479 	if (IS_ERR_OR_NULL(psy)) {  in devm_power_supply_get_by_phandle()
482 		*ptr = psy;  in devm_power_supply_get_by_phandle()
485 	return psy;  in devm_power_supply_get_by_phandle()
490 int power_supply_get_property(struct power_supply *psy,  in power_supply_get_property()  argument
494 	if (atomic_read(&psy->use_cnt) <= 0)  in power_supply_get_property()
497 	return psy->desc->get_property(psy, psp, val);  in power_supply_get_property()
501 int power_supply_set_property(struct power_supply *psy,  in power_supply_set_property()  argument
505 	if (atomic_read(&psy->use_cnt) <= 0 || !psy->desc->set_property)  in power_supply_set_property()
508 	return psy->desc->set_property(psy, psp, val);  in power_supply_set_property()
512 int power_supply_property_is_writeable(struct power_supply *psy,  in power_supply_property_is_writeable()  argument
515 	if (atomic_read(&psy->use_cnt) <= 0 ||  in power_supply_property_is_writeable()
516 			!psy->desc->property_is_writeable)  in power_supply_property_is_writeable()
519 	return psy->desc->property_is_writeable(psy, psp);  in power_supply_property_is_writeable()
523 void power_supply_external_power_changed(struct power_supply *psy)  in power_supply_external_power_changed()  argument
525 	if (atomic_read(&psy->use_cnt) <= 0 ||  in power_supply_external_power_changed()
526 			!psy->desc->external_power_changed)  in power_supply_external_power_changed()
529 	psy->desc->external_power_changed(psy);  in power_supply_external_power_changed()
533 int power_supply_powers(struct power_supply *psy, struct device *dev)  in power_supply_powers()  argument
535 	return sysfs_create_link(&psy->dev.kobj, &dev->kobj, "powers");  in power_supply_powers()
541 	struct power_supply *psy = container_of(dev, struct power_supply, dev);  in power_supply_dev_release()  local
543 	kfree(psy);  in power_supply_dev_release()
562 	struct power_supply *psy;  in power_supply_read_temp()  local
567 	psy = tzd->devdata;  in power_supply_read_temp()
568 	ret = psy->desc->get_property(psy, POWER_SUPPLY_PROP_TEMP, &val);  in power_supply_read_temp()
581 static int psy_register_thermal(struct power_supply *psy)  in psy_register_thermal()  argument
585 	if (psy->desc->no_thermal)  in psy_register_thermal()
589 	for (i = 0; i < psy->desc->num_properties; i++) {  in psy_register_thermal()
590 		if (psy->desc->properties[i] == POWER_SUPPLY_PROP_TEMP) {  in psy_register_thermal()
591 			psy->tzd = thermal_zone_device_register(psy->desc->name,  in psy_register_thermal()
592 					0, 0, psy, &psy_tzd_ops, NULL, 0, 0);  in psy_register_thermal()
593 			return PTR_ERR_OR_ZERO(psy->tzd);  in psy_register_thermal()
599 static void psy_unregister_thermal(struct power_supply *psy)  in psy_unregister_thermal()  argument
601 	if (IS_ERR_OR_NULL(psy->tzd))  in psy_unregister_thermal()
603 	thermal_zone_device_unregister(psy->tzd);  in psy_unregister_thermal()
610 	struct power_supply *psy;  in ps_get_max_charge_cntl_limit()  local
614 	psy = tcd->devdata;  in ps_get_max_charge_cntl_limit()
615 	ret = psy->desc->get_property(psy,  in ps_get_max_charge_cntl_limit()
626 	struct power_supply *psy;  in ps_get_cur_chrage_cntl_limit()  local
630 	psy = tcd->devdata;  in ps_get_cur_chrage_cntl_limit()
631 	ret = psy->desc->get_property(psy,  in ps_get_cur_chrage_cntl_limit()
642 	struct power_supply *psy;  in ps_set_cur_charge_cntl_limit()  local
646 	psy = tcd->devdata;  in ps_set_cur_charge_cntl_limit()
648 	ret = psy->desc->set_property(psy,  in ps_set_cur_charge_cntl_limit()
660 static int psy_register_cooler(struct power_supply *psy)  in psy_register_cooler()  argument
665 	for (i = 0; i < psy->desc->num_properties; i++) {  in psy_register_cooler()
666 		if (psy->desc->properties[i] ==  in psy_register_cooler()
668 			psy->tcd = thermal_cooling_device_register(  in psy_register_cooler()
669 							(char *)psy->desc->name,  in psy_register_cooler()
670 							psy, &psy_tcd_ops);  in psy_register_cooler()
671 			return PTR_ERR_OR_ZERO(psy->tcd);  in psy_register_cooler()
677 static void psy_unregister_cooler(struct power_supply *psy)  in psy_unregister_cooler()  argument
679 	if (IS_ERR_OR_NULL(psy->tcd))  in psy_unregister_cooler()
681 	thermal_cooling_device_unregister(psy->tcd);  in psy_unregister_cooler()
684 static int psy_register_thermal(struct power_supply *psy)  in psy_register_thermal()  argument
689 static void psy_unregister_thermal(struct power_supply *psy)  in psy_unregister_thermal()  argument
693 static int psy_register_cooler(struct power_supply *psy)  in psy_register_cooler()  argument
698 static void psy_unregister_cooler(struct power_supply *psy)  in psy_unregister_cooler()  argument
710 	struct power_supply *psy;  in __power_supply_register()  local
717 	psy = kzalloc(sizeof(*psy), GFP_KERNEL);  in __power_supply_register()
718 	if (!psy)  in __power_supply_register()
721 	dev = &psy->dev;  in __power_supply_register()
729 	dev_set_drvdata(dev, psy);  in __power_supply_register()
730 	psy->desc = desc;  in __power_supply_register()
732 		psy->drv_data = cfg->drv_data;  in __power_supply_register()
733 		psy->of_node = cfg->of_node;  in __power_supply_register()
734 		psy->supplied_to = cfg->supplied_to;  in __power_supply_register()
735 		psy->num_supplicants = cfg->num_supplicants;  in __power_supply_register()
742 	INIT_WORK(&psy->changed_work, power_supply_changed_work);  in __power_supply_register()
743 	INIT_DELAYED_WORK(&psy->deferred_register_work,  in __power_supply_register()
746 	rc = power_supply_check_supplies(psy);  in __power_supply_register()
752 	spin_lock_init(&psy->changed_lock);  in __power_supply_register()
761 	rc = psy_register_thermal(psy);  in __power_supply_register()
765 	rc = psy_register_cooler(psy);  in __power_supply_register()
769 	rc = power_supply_create_triggers(psy);  in __power_supply_register()
782 	atomic_inc(&psy->use_cnt);  in __power_supply_register()
785 			   &psy->deferred_register_work,  in __power_supply_register()
788 	return psy;  in __power_supply_register()
791 	psy_unregister_cooler(psy);  in __power_supply_register()
793 	psy_unregister_thermal(psy);  in __power_supply_register()
851 	struct power_supply **psy = res;  in devm_power_supply_release()  local
853 	power_supply_unregister(*psy);  in devm_power_supply_release()
875 	struct power_supply **ptr, *psy;  in devm_power_supply_register()  local
881 	psy = __power_supply_register(parent, desc, cfg, true);  in devm_power_supply_register()
882 	if (IS_ERR(psy)) {  in devm_power_supply_register()
885 		*ptr = psy;  in devm_power_supply_register()
888 	return psy;  in devm_power_supply_register()
911 	struct power_supply **ptr, *psy;  in devm_power_supply_register_no_ws()  local
917 	psy = __power_supply_register(parent, desc, cfg, false);  in devm_power_supply_register_no_ws()
918 	if (IS_ERR(psy)) {  in devm_power_supply_register_no_ws()
921 		*ptr = psy;  in devm_power_supply_register_no_ws()
924 	return psy;  in devm_power_supply_register_no_ws()
935 void power_supply_unregister(struct power_supply *psy)  in power_supply_unregister()  argument
937 	WARN_ON(atomic_dec_return(&psy->use_cnt));  in power_supply_unregister()
938 	cancel_work_sync(&psy->changed_work);  in power_supply_unregister()
939 	cancel_delayed_work_sync(&psy->deferred_register_work);  in power_supply_unregister()
940 	sysfs_remove_link(&psy->dev.kobj, "powers");  in power_supply_unregister()
941 	power_supply_remove_triggers(psy);  in power_supply_unregister()
942 	psy_unregister_cooler(psy);  in power_supply_unregister()
943 	psy_unregister_thermal(psy);  in power_supply_unregister()
944 	device_init_wakeup(&psy->dev, false);  in power_supply_unregister()
945 	device_unregister(&psy->dev);  in power_supply_unregister()
949 void *power_supply_get_drvdata(struct power_supply *psy)  in power_supply_get_drvdata()  argument
951 	return psy->drv_data;  in power_supply_get_drvdata()