706 static void battery_hook_unregister_unlocked(struct acpi_battery_hook *hook)  in battery_hook_unregister_unlocked()  argument
711 	 * In order to remove a hook, we first need to  in battery_hook_unregister_unlocked()
715 		if (!hook->remove_battery(battery->bat, hook))  in battery_hook_unregister_unlocked()
718 	list_del_init(&hook->list);  in battery_hook_unregister_unlocked()
720 	pr_info("hook unregistered: %s\n", hook->name);  in battery_hook_unregister_unlocked()
723 void battery_hook_unregister(struct acpi_battery_hook *hook)  in battery_hook_unregister()  argument
728 	 * if a battery hook was previously unloaded due to an error when  in battery_hook_unregister()
731 	if (!list_empty(&hook->list))  in battery_hook_unregister()
732 		battery_hook_unregister_unlocked(hook);  in battery_hook_unregister()
738 void battery_hook_register(struct acpi_battery_hook *hook)  in battery_hook_register()  argument
743 	list_add(&hook->list, &battery_hook_list);  in battery_hook_register()
746 	 * to notify the hook that a battery is available  in battery_hook_register()
751 		if (hook->add_battery(battery->bat, hook)) {  in battery_hook_register()
754 			 * the registration of the hook has failed,  in battery_hook_register()
758 			pr_err("hook failed to load: %s", hook->name);  in battery_hook_register()
759 			battery_hook_unregister_unlocked(hook);  in battery_hook_register()
765 	pr_info("new hook: %s\n", hook->name);  in battery_hook_register()
773 	struct acpi_battery_hook *hook = data;  in devm_battery_hook_unregister()  local
775 	battery_hook_unregister(hook);  in devm_battery_hook_unregister()
778 int devm_battery_hook_register(struct device *dev, struct acpi_battery_hook *hook)  in devm_battery_hook_register()  argument
780 	battery_hook_register(hook);  in devm_battery_hook_register()
782 	return devm_add_action_or_reset(dev, devm_battery_hook_unregister, hook);  in devm_battery_hook_register()
801 	 * hook that was registered. This usually happens  in battery_hook_add_battery()
808 			 * The notification of the hook has failed, to  in battery_hook_add_battery()
809 			 * prevent further errors we will unload the hook.  in battery_hook_add_battery()
811 			pr_err("error in hook, unloading: %s",  in battery_hook_add_battery()
821 	struct acpi_battery_hook *hook;  in battery_hook_remove_battery()  local
825 	 * Before removing the hook, we need to remove all  in battery_hook_remove_battery()
828 	list_for_each_entry(hook, &battery_hook_list, list) {  in battery_hook_remove_battery()
829 		hook->remove_battery(battery->bat, hook);  in battery_hook_remove_battery()
838 	struct acpi_battery_hook *hook;  in battery_hook_exit()  local
845 	list_for_each_entry_safe(hook, ptr, &battery_hook_list, list) {  in battery_hook_exit()
846 		battery_hook_unregister(hook);  in battery_hook_exit()