142 static acpi_status acpi_bus_offline(acpi_handle handle, u32 lvl, void *data,  in acpi_bus_offline()  argument
150 	if (acpi_bus_get_device(handle, &device))  in acpi_bus_offline()
190 static acpi_status acpi_bus_online(acpi_handle handle, u32 lvl, void *data,  in acpi_bus_online()  argument
196 	if (acpi_bus_get_device(handle, &device))  in acpi_bus_online()
214 	acpi_handle handle = device->handle;  in acpi_scan_try_to_offline()  local
227 	status = acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,  in acpi_scan_try_to_offline()
232 		acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,  in acpi_scan_try_to_offline()
236 	acpi_bus_offline(handle, 0, (void *)false, (void **)&errdev);  in acpi_scan_try_to_offline()
239 		acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,  in acpi_scan_try_to_offline()
243 			acpi_bus_offline(handle, 0, (void *)true,  in acpi_scan_try_to_offline()
248 			acpi_bus_online(handle, 0, NULL, NULL);  in acpi_scan_try_to_offline()
249 			acpi_walk_namespace(ACPI_TYPE_ANY, handle,  in acpi_scan_try_to_offline()
260 	acpi_handle handle = device->handle;  in acpi_scan_hot_remove()  local
279 	acpi_evaluate_lck(handle, 0);  in acpi_scan_hot_remove()
283 	status = acpi_evaluate_ej0(handle);  in acpi_scan_hot_remove()
293 	status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);  in acpi_scan_hot_remove()
295 		acpi_handle_warn(handle,  in acpi_scan_hot_remove()
298 		acpi_handle_warn(handle,  in acpi_scan_hot_remove()
333 		error = acpi_bus_scan(adev->handle);  in acpi_scan_device_check()
362 	error = acpi_bus_scan(adev->handle);  in acpi_scan_bus_check()
388 		acpi_evaluate_ost(adev->handle, ACPI_NOTIFY_EJECT_REQUEST,  in acpi_generic_hotplug_event()
408 	if (adev->handle == INVALID_ACPI_HANDLE)  in acpi_device_hotplug()
438 	acpi_evaluate_ost(adev->handle, src, ost_code, NULL);  in acpi_device_hotplug()
532 static void acpi_scan_drop_device(acpi_handle handle, void *context)  in acpi_scan_drop_device()  argument
554 	adev->handle = INVALID_ACPI_HANDLE;  in acpi_scan_drop_device()
559 static int acpi_get_device_data(acpi_handle handle, struct acpi_device **device,  in acpi_get_device_data()  argument
567 	status = acpi_get_data_full(handle, acpi_scan_drop_device,  in acpi_get_device_data()
571 				  handle));  in acpi_get_device_data()
577 int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device)  in acpi_bus_get_device()  argument
579 	return acpi_get_device_data(handle, device, NULL);  in acpi_bus_get_device()
589 struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle)  in acpi_bus_get_acpi_device()  argument
593 	acpi_get_device_data(handle, &adev, get_acpi_device);  in acpi_bus_get_acpi_device()
609 	if (device->handle) {  in acpi_device_add()
612 		status = acpi_attach_data(device->handle, acpi_scan_drop_device,  in acpi_device_add()
615 			acpi_handle_err(device->handle,  in acpi_device_add()
694 	acpi_detach_data(device->handle, acpi_scan_drop_device);  in acpi_device_add()
701 static struct acpi_device *acpi_bus_get_parent(acpi_handle handle)  in acpi_bus_get_parent()  argument
711 	if (!handle)  in acpi_bus_get_parent()
715 		status = acpi_get_parent(handle, &handle);  in acpi_bus_get_parent()
718 	} while (acpi_bus_get_device(handle, &device));  in acpi_bus_get_parent()
723 acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd)  in acpi_bus_get_ejd()  argument
730 	status = acpi_get_handle(handle, "_EJD", &tmp);  in acpi_bus_get_ejd()
734 	status = acpi_evaluate_object(handle, "_EJD", NULL, &buffer);  in acpi_bus_get_ejd()
745 static int acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,  in acpi_bus_extract_wakeup_device_power_package()  argument
760 	status = acpi_evaluate_object(handle, "_PRW", NULL, &buffer);  in acpi_bus_extract_wakeup_device_power_package()
783 		    element->package.elements[0].reference.handle;  in acpi_bus_extract_wakeup_device_power_package()
809 			acpi_handle_warn(handle, "Retrieving current states "  in acpi_bus_extract_wakeup_device_power_package()
815 			acpi_handle_warn(handle, "Overriding _PRW sleep state "  in acpi_bus_extract_wakeup_device_power_package()
854 	acpi_setup_gpe_for_wake(device->handle, wakeup->gpe_device,  in acpi_wakeup_gpe_init()
869 	if (!acpi_has_method(device->handle, "_PRW"))  in acpi_bus_get_wakeup_device_flags()
872 	err = acpi_bus_extract_wakeup_device_power_package(device->handle,  in acpi_bus_get_wakeup_device_flags()
904 	status = acpi_evaluate_object(device->handle, pathname, NULL, &buffer);  in acpi_bus_init_power_state()
921 	if (acpi_has_method(device->handle, pathname))  in acpi_bus_init_power_state()
937 	if (!acpi_has_method(device->handle, "_PS0") &&  in acpi_bus_get_power_flags()
938 	    !acpi_has_method(device->handle, "_PR0"))  in acpi_bus_get_power_flags()
946 	if (acpi_has_method(device->handle, "_PSC"))  in acpi_bus_get_power_flags()
949 	if (acpi_has_method(device->handle, "_IRC"))  in acpi_bus_get_power_flags()
952 	if (acpi_has_method(device->handle, "_DSW"))  in acpi_bus_get_power_flags()
977 	if (acpi_has_method(device->handle, "_STA"))  in acpi_bus_get_flags()
981 	if (acpi_has_method(device->handle, "_RMV"))  in acpi_bus_get_flags()
985 	if (acpi_has_method(device->handle, "_EJD") ||  in acpi_bus_get_flags()
986 	    acpi_has_method(device->handle, "_EJ0"))  in acpi_bus_get_flags()
1015 		acpi_get_name(device->handle, ACPI_SINGLE_NAME, &buffer);  in acpi_device_get_busid()
1034 bool acpi_ata_match(acpi_handle handle)  in acpi_ata_match()  argument
1036 	return acpi_has_method(handle, "_GTF") ||  in acpi_ata_match()
1037 	       acpi_has_method(handle, "_GTM") ||  in acpi_ata_match()
1038 	       acpi_has_method(handle, "_STM") ||  in acpi_ata_match()
1039 	       acpi_has_method(handle, "_SDD");  in acpi_ata_match()
1048 bool acpi_bay_match(acpi_handle handle)  in acpi_bay_match()  argument
1052 	if (!acpi_has_method(handle, "_EJ0"))  in acpi_bay_match()
1054 	if (acpi_ata_match(handle))  in acpi_bay_match()
1056 	if (ACPI_FAILURE(acpi_get_parent(handle, &phandle)))  in acpi_bay_match()
1075 	acpi_handle handle = adev->handle;  in is_ejectable_bay()  local
1077 	if (acpi_has_method(handle, "_EJ0") && acpi_device_is_battery(adev))  in is_ejectable_bay()
1080 	return acpi_bay_match(handle);  in is_ejectable_bay()
1086 bool acpi_dock_match(acpi_handle handle)  in acpi_dock_match()  argument
1088 	return acpi_has_method(handle, "_DCK");  in acpi_dock_match()
1092 acpi_backlight_cap_match(acpi_handle handle, u32 level, void *context,  in acpi_backlight_cap_match()  argument
1097 	if (acpi_has_method(handle, "_BCM") &&  in acpi_backlight_cap_match()
1098 	    acpi_has_method(handle, "_BCL")) {  in acpi_backlight_cap_match()
1102 		if (!acpi_has_method(handle, "_BQC"))  in acpi_backlight_cap_match()
1119 long acpi_is_video_device(acpi_handle handle)  in acpi_is_video_device()  argument
1124 	if (acpi_has_method(handle, "_DOD") || acpi_has_method(handle, "_DOS"))  in acpi_is_video_device()
1128 	if (acpi_has_method(handle, "_ROM"))  in acpi_is_video_device()
1132 	if (acpi_has_method(handle, "_VPO") &&  in acpi_is_video_device()
1133 	    acpi_has_method(handle, "_GPD") &&  in acpi_is_video_device()
1134 	    acpi_has_method(handle, "_SPD"))  in acpi_is_video_device()
1139 		acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,  in acpi_is_video_device()
1182 static bool acpi_ibm_smbus_match(acpi_handle handle)  in acpi_ibm_smbus_match()  argument
1191 	if (ACPI_FAILURE(acpi_get_name(handle, ACPI_SINGLE_NAME, &path)) ||  in acpi_ibm_smbus_match()
1196 	if (acpi_has_method(handle, "SBI") &&  in acpi_ibm_smbus_match()
1197 	    acpi_has_method(handle, "SBR") &&  in acpi_ibm_smbus_match()
1198 	    acpi_has_method(handle, "SBW"))  in acpi_ibm_smbus_match()
1204 static bool acpi_object_is_system_bus(acpi_handle handle)  in acpi_object_is_system_bus()  argument
1209 	    tmp == handle)  in acpi_object_is_system_bus()
1212 	    tmp == handle)  in acpi_object_is_system_bus()
1218 static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp,  in acpi_set_pnp_ids()  argument
1228 		if (handle == ACPI_ROOT_OBJECT) {  in acpi_set_pnp_ids()
1233 		status = acpi_get_object_info(handle, &info);  in acpi_set_pnp_ids()
1265 		if (acpi_is_video_device(handle))  in acpi_set_pnp_ids()
1267 		else if (acpi_bay_match(handle))  in acpi_set_pnp_ids()
1269 		else if (acpi_dock_match(handle))  in acpi_set_pnp_ids()
1271 		else if (acpi_ibm_smbus_match(handle))  in acpi_set_pnp_ids()
1274 			 acpi_object_is_system_bus(handle)) {  in acpi_set_pnp_ids()
1367 		status = acpi_evaluate_integer(adev->handle, "_CCA",  in acpi_init_coherency()
1379 			acpi_handle_debug(adev->handle,  in acpi_init_coherency()
1386 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,  in acpi_init_device_object()  argument
1391 	device->handle = handle;  in acpi_init_device_object()
1392 	device->parent = acpi_bus_get_parent(handle);  in acpi_init_device_object()
1396 	acpi_set_pnp_ids(handle, &device->pnp, type);  in acpi_init_device_object()
1414 				  acpi_handle handle, int type,  in acpi_add_single_object()  argument
1427 	acpi_init_device_object(device, handle, type, sta);  in acpi_add_single_object()
1439 	acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);  in acpi_add_single_object()
1448 static int acpi_bus_type_and_status(acpi_handle handle, int *type,  in acpi_bus_type_and_status()  argument
1454 	status = acpi_get_type(handle, &acpi_type);  in acpi_bus_type_and_status()
1462 		status = acpi_bus_get_status_handle(handle, sta);  in acpi_bus_type_and_status()
1468 		status = acpi_bus_get_status_handle(handle, sta);  in acpi_bus_type_and_status()
1544 	if (acpi_dock_match(adev->handle) || is_ejectable_bay(adev)) {  in acpi_scan_init_hotplug()
1566 	if (!acpi_has_method(adev->handle, "_DEP"))  in acpi_device_dep_initialize()
1569 	status = acpi_evaluate_reference(adev->handle, "_DEP", NULL,  in acpi_device_dep_initialize()
1603 		dep->slave  = adev->handle;  in acpi_device_dep_initialize()
1612 static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl_not_used,  in acpi_bus_check_add()  argument
1620 	acpi_bus_get_device(handle, &device);  in acpi_bus_check_add()
1624 	result = acpi_bus_type_and_status(handle, &type, &sta);  in acpi_bus_check_add()
1629 		acpi_add_power_resource(handle);  in acpi_bus_check_add()
1633 	acpi_add_single_object(&device, handle, type, sta);  in acpi_bus_check_add()
1740 	if (ACPI_SUCCESS(acpi_bus_get_ejd(device->handle, &ejd)))  in acpi_bus_attach()
1785 void acpi_walk_dep_device_list(acpi_handle handle)  in acpi_walk_dep_device_list()  argument
1792 		if (dep->master == handle) {  in acpi_walk_dep_device_list()
1822 int acpi_bus_scan(acpi_handle handle)  in acpi_bus_scan()  argument
1826 	if (ACPI_SUCCESS(acpi_bus_check_add(handle, 0, NULL, &device)))  in acpi_bus_scan()
1827 		acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,  in acpi_bus_scan()
1944 			acpi_detach_data(acpi_root->handle,  in acpi_scan_init()