83 void acpi_initialize_hp_context(struct acpi_device *adev,  in acpi_initialize_hp_context()  argument
91 	acpi_set_hp_context(adev, hp);  in acpi_initialize_hp_context()
118 bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent)  in acpi_scan_is_offline()  argument
127 	mutex_lock_nested(&adev->physical_node_lock, SINGLE_DEPTH_NESTING);  in acpi_scan_is_offline()
129 	list_for_each_entry(pn, &adev->physical_node_list, node)  in acpi_scan_is_offline()
138 	mutex_unlock(&adev->physical_node_lock);  in acpi_scan_is_offline()
305 static int acpi_scan_device_not_present(struct acpi_device *adev)  in acpi_scan_device_not_present()  argument
307 	if (!acpi_device_enumerated(adev)) {  in acpi_scan_device_not_present()
308 		dev_warn(&adev->dev, "Still not present\n");  in acpi_scan_device_not_present()
311 	acpi_bus_trim(adev);  in acpi_scan_device_not_present()
315 static int acpi_scan_device_check(struct acpi_device *adev)  in acpi_scan_device_check()  argument
319 	acpi_bus_get_status(adev);  in acpi_scan_device_check()
320 	if (adev->status.present || adev->status.functional) {  in acpi_scan_device_check()
329 		if (adev->handler) {  in acpi_scan_device_check()
330 			dev_warn(&adev->dev, "Already enumerated\n");  in acpi_scan_device_check()
333 		error = acpi_bus_scan(adev->handle);  in acpi_scan_device_check()
335 			dev_warn(&adev->dev, "Namespace scan failure\n");  in acpi_scan_device_check()
338 		if (!adev->handler) {  in acpi_scan_device_check()
339 			dev_warn(&adev->dev, "Enumeration failure\n");  in acpi_scan_device_check()
343 		error = acpi_scan_device_not_present(adev);  in acpi_scan_device_check()
348 static int acpi_scan_bus_check(struct acpi_device *adev)  in acpi_scan_bus_check()  argument
350 	struct acpi_scan_handler *handler = adev->handler;  in acpi_scan_bus_check()
354 	acpi_bus_get_status(adev);  in acpi_scan_bus_check()
355 	if (!(adev->status.present || adev->status.functional)) {  in acpi_scan_bus_check()
356 		acpi_scan_device_not_present(adev);  in acpi_scan_bus_check()
360 		return handler->hotplug.scan_dependent(adev);  in acpi_scan_bus_check()
362 	error = acpi_bus_scan(adev->handle);  in acpi_scan_bus_check()
364 		dev_warn(&adev->dev, "Namespace scan failure\n");  in acpi_scan_bus_check()
367 	list_for_each_entry(child, &adev->children, node) {  in acpi_scan_bus_check()
375 static int acpi_generic_hotplug_event(struct acpi_device *adev, u32 type)  in acpi_generic_hotplug_event()  argument
379 		return acpi_scan_bus_check(adev);  in acpi_generic_hotplug_event()
381 		return acpi_scan_device_check(adev);  in acpi_generic_hotplug_event()
384 		if (adev->handler && !adev->handler->hotplug.enabled) {  in acpi_generic_hotplug_event()
385 			dev_info(&adev->dev, "Eject disabled\n");  in acpi_generic_hotplug_event()
388 		acpi_evaluate_ost(adev->handle, ACPI_NOTIFY_EJECT_REQUEST,  in acpi_generic_hotplug_event()
390 		return acpi_scan_hot_remove(adev);  in acpi_generic_hotplug_event()
395 void acpi_device_hotplug(struct acpi_device *adev, u32 src)  in acpi_device_hotplug()  argument
408 	if (adev->handle == INVALID_ACPI_HANDLE)  in acpi_device_hotplug()
411 	if (adev->flags.is_dock_station) {  in acpi_device_hotplug()
412 		error = dock_notify(adev, src);  in acpi_device_hotplug()
413 	} else if (adev->flags.hotplug_notify) {  in acpi_device_hotplug()
414 		error = acpi_generic_hotplug_event(adev, src);  in acpi_device_hotplug()
423 		notify = adev->hp ? adev->hp->notify : NULL;  in acpi_device_hotplug()
430 			error = notify(adev, src);  in acpi_device_hotplug()
438 	acpi_evaluate_ost(adev->handle, src, ost_code, NULL);  in acpi_device_hotplug()
441 	acpi_bus_put_acpi_device(adev);  in acpi_device_hotplug()
495 		struct acpi_device *adev;  in acpi_device_del_work_fn()  local
503 		adev = list_first_entry(&acpi_device_del_list,  in acpi_device_del_work_fn()
505 		list_del(&adev->del_list);  in acpi_device_del_work_fn()
509 		acpi_device_del(adev);  in acpi_device_del_work_fn()
514 		acpi_power_transition(adev, ACPI_STATE_D3_COLD);  in acpi_device_del_work_fn()
515 		put_device(&adev->dev);  in acpi_device_del_work_fn()
535 	struct acpi_device *adev = context;  in acpi_scan_drop_device()  local
552 	list_add_tail(&adev->del_list, &acpi_device_del_list);  in acpi_scan_drop_device()
554 	adev->handle = INVALID_ACPI_HANDLE;  in acpi_scan_drop_device()
591 	struct acpi_device *adev = NULL;  in acpi_bus_get_acpi_device()  local
593 	acpi_get_device_data(handle, &adev, get_acpi_device);  in acpi_bus_get_acpi_device()
594 	return adev;  in acpi_bus_get_acpi_device()
597 void acpi_bus_put_acpi_device(struct acpi_device *adev)  in acpi_bus_put_acpi_device()  argument
599 	put_device(&adev->dev);  in acpi_bus_put_acpi_device()
1062 bool acpi_device_is_battery(struct acpi_device *adev)  in acpi_device_is_battery()  argument
1066 	list_for_each_entry(hwid, &adev->pnp.ids, list)  in acpi_device_is_battery()
1073 static bool is_ejectable_bay(struct acpi_device *adev)  in is_ejectable_bay()  argument
1075 	acpi_handle handle = adev->handle;  in is_ejectable_bay()
1077 	if (acpi_has_method(handle, "_EJ0") && acpi_device_is_battery(adev))  in is_ejectable_bay()
1317 bool acpi_dma_supported(struct acpi_device *adev)  in acpi_dma_supported()  argument
1319 	if (!adev)  in acpi_dma_supported()
1322 	if (adev->flags.cca_seen)  in acpi_dma_supported()
1342 enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)  in acpi_get_dma_attr()  argument
1344 	if (!acpi_dma_supported(adev))  in acpi_get_dma_attr()
1347 	if (adev->flags.coherent_dma)  in acpi_get_dma_attr()
1353 static void acpi_init_coherency(struct acpi_device *adev)  in acpi_init_coherency()  argument
1357 	struct acpi_device *parent = adev->parent;  in acpi_init_coherency()
1364 		adev->flags.cca_seen = 1;  in acpi_init_coherency()
1367 		status = acpi_evaluate_integer(adev->handle, "_CCA",  in acpi_init_coherency()
1370 			adev->flags.cca_seen = 1;  in acpi_init_coherency()
1379 			acpi_handle_debug(adev->handle,  in acpi_init_coherency()
1383 	adev->flags.coherent_dma = cca;  in acpi_init_coherency()
1487 bool acpi_device_is_present(struct acpi_device *adev)  in acpi_device_is_present()  argument
1489 	if (adev->status.present || adev->status.functional)  in acpi_device_is_present()
1492 	adev->flags.initialized = false;  in acpi_device_is_present()
1540 static void acpi_scan_init_hotplug(struct acpi_device *adev)  in acpi_scan_init_hotplug()  argument
1544 	if (acpi_dock_match(adev->handle) || is_ejectable_bay(adev)) {  in acpi_scan_init_hotplug()
1545 		acpi_dock_add(adev);  in acpi_scan_init_hotplug()
1548 	list_for_each_entry(hwid, &adev->pnp.ids, list) {  in acpi_scan_init_hotplug()
1553 			adev->flags.hotplug_notify = true;  in acpi_scan_init_hotplug()
1559 static void acpi_device_dep_initialize(struct acpi_device *adev)  in acpi_device_dep_initialize()  argument
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()
1572 		dev_dbg(&adev->dev, "Failed to evaluate _DEP.\n");  in acpi_device_dep_initialize()
1582 			dev_dbg(&adev->dev, "Error reading _DEP device info\n");  in acpi_device_dep_initialize()
1603 		dep->slave  = adev->handle;  in acpi_device_dep_initialize()
1604 		adev->dep_unmet++;  in acpi_device_dep_initialize()
1687 static int acpi_generic_device_attach(struct acpi_device *adev,  in acpi_generic_device_attach()  argument
1694 	if (adev->data.of_compatible)  in acpi_generic_device_attach()
1695 		acpi_default_enumeration(adev);  in acpi_generic_device_attach()
1788 	struct acpi_device *adev;  in acpi_walk_dep_device_list()  local
1793 			acpi_bus_get_device(dep->slave, &adev);  in acpi_walk_dep_device_list()
1794 			if (!adev)  in acpi_walk_dep_device_list()
1797 			adev->dep_unmet--;  in acpi_walk_dep_device_list()
1798 			if (!adev->dep_unmet)  in acpi_walk_dep_device_list()
1799 				acpi_bus_attach(adev);  in acpi_walk_dep_device_list()
1844 void acpi_bus_trim(struct acpi_device *adev)  in acpi_bus_trim()  argument
1846 	struct acpi_scan_handler *handler = adev->handler;  in acpi_bus_trim()
1849 	list_for_each_entry_reverse(child, &adev->children, node)  in acpi_bus_trim()
1852 	adev->flags.match_driver = false;  in acpi_bus_trim()
1855 			handler->detach(adev);  in acpi_bus_trim()
1857 		adev->handler = NULL;  in acpi_bus_trim()
1859 		device_release_driver(&adev->dev);  in acpi_bus_trim()
1865 	acpi_device_set_power(adev, ACPI_STATE_D3_COLD);  in acpi_bus_trim()
1866 	adev->flags.initialized = false;  in acpi_bus_trim()
1867 	adev->flags.visited = false;  in acpi_bus_trim()