3  * drivers/acpi/power.c - ACPI Power Resources management.
15  * The code below deals with ACPI Power Resources control.
20  * A device may rely on multiple power resources, and a power resource
215 	/* The state of the list is 'on' IFF all resources are 'on'. */  in acpi_power_get_list_state()
293  * power resources returned by it. This means that whenever these power
294  * resources are turned _ON the dependent devices get runtime resumed. This
306 	struct list_head *resources;  in acpi_device_power_add_dependent()  local
312 	resources = &adev->power.states[ACPI_STATE_D0].resources;  in acpi_device_power_add_dependent()
313 	list_for_each_entry(entry, resources, node) {  in acpi_device_power_add_dependent()
322 	list_for_each_entry(entry, resources, node)  in acpi_device_power_add_dependent()
341 	struct list_head *resources;  in acpi_device_power_remove_dependent()  local
346 	resources = &adev->power.states[ACPI_STATE_D0].resources;  in acpi_device_power_remove_dependent()
347 	list_for_each_entry_reverse(entry, resources, node)  in acpi_device_power_remove_dependent()
521 				 struct list_head *resources,  in acpi_power_hide_list()  argument
526 	if (list_empty(resources))  in acpi_power_hide_list()
529 	list_for_each_entry_reverse(entry, resources, node) {  in acpi_power_hide_list()
540 				   struct list_head *resources,  in acpi_power_expose_list()  argument
546 	if (list_empty(resources))  in acpi_power_expose_list()
553 	list_for_each_entry(entry, resources, node) {  in acpi_power_expose_list()
561 			acpi_power_hide_list(adev, resources, attr_group);  in acpi_power_expose_list()
568 				   struct list_head *resources,  in acpi_power_expose_hide()  argument
573 		acpi_power_expose_list(adev, resources, attr_group);  in acpi_power_expose_hide()
575 		acpi_power_hide_list(adev, resources, attr_group);  in acpi_power_expose_hide()
583 		acpi_power_expose_hide(adev, &adev->wakeup.resources,  in acpi_power_add_remove_device()
591 				       &adev->power.states[state].resources,  in acpi_power_add_remove_device()
693  * 1. Power on the power resources required for the wakeup device
710 	list_for_each_entry(entry, &dev->wakeup.resources, node) {  in acpi_enable_wakeup_device_power()
725 				"Cannot turn wakeup power resources on\n");  in acpi_enable_wakeup_device_power()
747  * 2. Shutdown down the power resources
773 	list_for_each_entry(entry, &dev->wakeup.resources, node) {  in acpi_disable_wakeup_device_power()
788 				"Cannot turn wakeup power resources off\n");  in acpi_disable_wakeup_device_power()
809 	 * We know a device's inferred power state when all the resources  in acpi_power_get_inferred_state()
813 		struct list_head *list = &device->power.states[i].resources;  in acpi_power_get_inferred_state()
838 	return acpi_power_on_list(&device->power.states[state].resources);  in acpi_power_on_resources()
856 	 * First we reference all power resources required in the target list  in acpi_power_transition()
858 	 * we dereference all power resources used in the current list.  in acpi_power_transition()
862 			&device->power.states[state].resources);  in acpi_power_transition()
866 			&device->power.states[device->power.state].resources);  in acpi_power_transition()