Pull acpi_device_handle_cleanup into release branch

drivers/acpi/ac.c

···
 };
 
 struct acpi_ac {
-	acpi_handle handle;
+	struct acpi_device * device;
 	unsigned long state;
 };
 
···
 	if (!ac)
 		return -EINVAL;
 
-	status = acpi_evaluate_integer(ac->handle, "_PSR", NULL, &ac->state);
+	status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL, &ac->state);
 	if (ACPI_FAILURE(status)) {
 		ACPI_EXCEPTION((AE_INFO, status, "Error reading AC Adapter state"));
 		ac->state = ACPI_AC_STATUS_UNKNOWN;
···
 	if (!ac)
 		return;
 
-	if (acpi_bus_get_device(ac->handle, &device))
-		return;
-
+	device = ac->device;
 	switch (event) {
 	case ACPI_AC_NOTIFY_STATUS:
 		acpi_ac_get_state(ac);
···
 		return -ENOMEM;
 	memset(ac, 0, sizeof(struct acpi_ac));
 
-	ac->handle = device->handle;
+	ac->device = device;
 	strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_AC_CLASS);
 	acpi_driver_data(device) = ac;
···
 	if (result)
 		goto end;
 
-	status = acpi_install_notify_handler(ac->handle,
+	status = acpi_install_notify_handler(device->handle,
 					     ACPI_DEVICE_NOTIFY, acpi_ac_notify,
 					     ac);
 	if (ACPI_FAILURE(status)) {
···
 
 	ac = (struct acpi_ac *)acpi_driver_data(device);
 
-	status = acpi_remove_notify_handler(ac->handle,
+	status = acpi_remove_notify_handler(device->handle,
 					    ACPI_DEVICE_NOTIFY, acpi_ac_notify);
 
 	acpi_ac_remove_fs(device);

drivers/acpi/acpi_memhotplug.c

···
 };
 
 struct acpi_memory_device {
-	acpi_handle handle;
+	struct acpi_device * device;
 	unsigned int state;	/* State of the memory device */
 	struct list_head res_list;
 };
···
 	struct acpi_memory_info *info, *n;
 
 
-	status = acpi_walk_resources(mem_device->handle, METHOD_NAME__CRS,
+	status = acpi_walk_resources(mem_device->device->handle, METHOD_NAME__CRS,
 				     acpi_memory_get_resource, mem_device);
 	if (ACPI_FAILURE(status)) {
 		list_for_each_entry_safe(info, n, &mem_device->res_list, list)
···
 
 
 	/* Get device present/absent information from the _STA */
-	if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->handle, "_STA",
+	if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->device->handle, "_STA",
 					       NULL, &current_status)))
 		return -ENODEV;
 	/*
···
 		return result;
 	}
 
-	node = acpi_get_node(mem_device->handle);
+	node = acpi_get_node(mem_device->device->handle);
 	/*
 	 * Tell the VM there is more memory here...
 	 * Note: Assume that this function returns zero on success
···
 	arg_list.pointer = &arg;
 	arg.type = ACPI_TYPE_INTEGER;
 	arg.integer.value = 1;
-	status = acpi_evaluate_object(mem_device->handle,
+	status = acpi_evaluate_object(mem_device->device->handle,
 				      "_EJ0", &arg_list, NULL);
 	/* Return on _EJ0 failure */
 	if (ACPI_FAILURE(status)) {
···
 	}
 
 	/* Evalute _STA to check if the device is disabled */
-	status = acpi_evaluate_integer(mem_device->handle, "_STA",
+	status = acpi_evaluate_integer(mem_device->device->handle, "_STA",
 				       NULL, &current_status);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
···
 	memset(mem_device, 0, sizeof(struct acpi_memory_device));
 
 	INIT_LIST_HEAD(&mem_device->res_list);
-	mem_device->handle = device->handle;
+	mem_device->device = device;
 	sprintf(acpi_device_name(device), "%s", ACPI_MEMORY_DEVICE_NAME);
 	sprintf(acpi_device_class(device), "%s", ACPI_MEMORY_DEVICE_CLASS);
 	acpi_driver_data(device) = mem_device;

drivers/acpi/battery.c

···
 };
 
 struct acpi_battery {
-	acpi_handle handle;
+	struct acpi_device * device;
 	struct acpi_battery_flags flags;
 	struct acpi_battery_trips trips;
 	unsigned long alarm;
···
 
 	/* Evalute _BIF */
 
-	status = acpi_evaluate_object(battery->handle, "_BIF", NULL, &buffer);
+	status = acpi_evaluate_object(battery->device->handle, "_BIF", NULL, &buffer);
 	if (ACPI_FAILURE(status)) {
 		ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BIF"));
 		return -ENODEV;
···
 
 	/* Evalute _BST */
 
-	status = acpi_evaluate_object(battery->handle, "_BST", NULL, &buffer);
+	status = acpi_evaluate_object(battery->device->handle, "_BST", NULL, &buffer);
 	if (ACPI_FAILURE(status)) {
 		ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BST"));
 		return -ENODEV;
···
 
 	arg0.integer.value = alarm;
 
-	status = acpi_evaluate_object(battery->handle, "_BTP", &arg_list, NULL);
+	status = acpi_evaluate_object(battery->device->handle, "_BTP", &arg_list, NULL);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
···
 	if (!battery)
 		return -EINVAL;
 
-	result = acpi_bus_get_device(battery->handle, &device);
-	if (result)
-		return result;
+	device = battery->device;
 
 	result = acpi_bus_get_status(device);
 	if (result)
···
 
 		/* See if alarms are supported, and if so, set default */
 
-		status = acpi_get_handle(battery->handle, "_BTP", &handle);
+		status = acpi_get_handle(battery->device->handle, "_BTP", &handle);
 		if (ACPI_SUCCESS(status)) {
 			battery->flags.alarm = 1;
 			acpi_battery_set_alarm(battery, battery->trips.warning);
···
 	if (!battery)
 		return;
 
-	if (acpi_bus_get_device(handle, &device))
-		return;
+	device = battery->device;
 
 	switch (event) {
 	case ACPI_BATTERY_NOTIFY_STATUS:
···
 		return -ENOMEM;
 	memset(battery, 0, sizeof(struct acpi_battery));
 
-	battery->handle = device->handle;
+	battery->device = device;
 	strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
 	acpi_driver_data(device) = battery;
···
 	if (result)
 		goto end;
 
-	status = acpi_install_notify_handler(battery->handle,
+	status = acpi_install_notify_handler(device->handle,
 					     ACPI_DEVICE_NOTIFY,
 					     acpi_battery_notify, battery);
 	if (ACPI_FAILURE(status)) {
···
 
 	battery = (struct acpi_battery *)acpi_driver_data(device);
 
-	status = acpi_remove_notify_handler(battery->handle,
+	status = acpi_remove_notify_handler(device->handle,
 					    ACPI_DEVICE_NOTIFY,
 					    acpi_battery_notify);
 

drivers/acpi/button.c

···
 };
 
 struct acpi_button {
-	acpi_handle handle;
 	struct acpi_device *device;	/* Fixed button kludge */
 	u8 type;
 	unsigned long pushed;
···
 	if (!button || !button->device)
 		return 0;
 
-	status = acpi_evaluate_integer(button->handle, "_LID", NULL, &state);
+	status = acpi_evaluate_integer(button->device->handle, "_LID", NULL, &state);
 	if (ACPI_FAILURE(status)) {
 		seq_printf(seq, "state:      unsupported\n");
 	} else {
···
 	if (!button)
 		return AE_BAD_PARAMETER;
 
-	acpi_button_notify(button->handle, ACPI_BUTTON_NOTIFY_STATUS, button);
+	acpi_button_notify(button->device->handle, ACPI_BUTTON_NOTIFY_STATUS, button);
 
 	return AE_OK;
 }
···
 	memset(button, 0, sizeof(struct acpi_button));
 
 	button->device = device;
-	button->handle = device->handle;
 	acpi_driver_data(device) = button;
 
 	/*
···
 						     button);
 		break;
 	default:
-		status = acpi_install_notify_handler(button->handle,
+		status = acpi_install_notify_handler(device->handle,
 						     ACPI_DEVICE_NOTIFY,
 						     acpi_button_notify,
 						     button);
···
 						    acpi_button_notify_fixed);
 		break;
 	default:
-		status = acpi_remove_notify_handler(button->handle,
+		status = acpi_remove_notify_handler(device->handle,
 						    ACPI_DEVICE_NOTIFY,
 						    acpi_button_notify);
 		break;

drivers/acpi/fan.c

···
 };
 
 struct acpi_fan {
-	acpi_handle handle;
+	struct acpi_device * device;
 };
 
 /* --------------------------------------------------------------------------
···
 
 
 	if (fan) {
-		if (acpi_bus_get_power(fan->handle, &state))
+		if (acpi_bus_get_power(fan->device->handle, &state))
 			seq_printf(seq, "status:                  ERROR\n");
 		else
 			seq_printf(seq, "status:                  %s\n",
···
 
 	state_string[count] = '\0';
 
-	result = acpi_bus_set_power(fan->handle,
+	result = acpi_bus_set_power(fan->device->handle,
 				    simple_strtoul(state_string, NULL, 0));
 	if (result)
 		return result;
···
 		return -ENOMEM;
 	memset(fan, 0, sizeof(struct acpi_fan));
 
-	fan->handle = device->handle;
+	fan->device = device;
 	strcpy(acpi_device_name(device), "Fan");
 	strcpy(acpi_device_class(device), ACPI_FAN_CLASS);
 	acpi_driver_data(device) = fan;
 
-	result = acpi_bus_get_power(fan->handle, &state);
+	result = acpi_bus_get_power(device->handle, &state);
 	if (result) {
 		printk(KERN_ERR PREFIX "Reading power state\n");
 		goto end;

drivers/acpi/pci_link.c

···
 struct acpi_pci_link {
 	struct list_head node;
 	struct acpi_device *device;
-	acpi_handle handle;
 	struct acpi_pci_link_irq irq;
 	int refcnt;
 };
···
 	if (!link)
 		return -EINVAL;
 
-	status = acpi_walk_resources(link->handle, METHOD_NAME__PRS,
+	status = acpi_walk_resources(link->device->handle, METHOD_NAME__PRS,
 				     acpi_pci_link_check_possible, link);
 	if (ACPI_FAILURE(status)) {
 		ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRS"));
···
 	acpi_status status = AE_OK;
 	int irq = 0;
 
-
-	if (!link || !link->handle)
+	if (!link)
 		return -EINVAL;
 
 	link->irq.active = 0;
···
 	 * Query and parse _CRS to get the current IRQ assignment. 
 	 */
 
-	status = acpi_walk_resources(link->handle, METHOD_NAME__CRS,
+	status = acpi_walk_resources(link->device->handle, METHOD_NAME__CRS,
 				     acpi_pci_link_check_current, &irq);
 	if (ACPI_FAILURE(status)) {
 		ACPI_EXCEPTION((AE_INFO, status, "Evaluating _CRS"));
···
 	resource->end.type = ACPI_RESOURCE_TYPE_END_TAG;
 
 	/* Attempt to set the resource */
-	status = acpi_set_current_resources(link->handle, &buffer);
+	status = acpi_set_current_resources(link->device->handle, &buffer);
 
 	/* check for total failure */
 	if (ACPI_FAILURE(status)) {
···
 			  acpi_device_bid(link->device)));
 
 	if (link->refcnt == 0) {
-		acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
+		acpi_ut_evaluate_object(link->device->handle, "_DIS", 0, NULL);
 	}
 	mutex_unlock(&acpi_link_lock);
 	return (link->irq.active);
···
 	memset(link, 0, sizeof(struct acpi_pci_link));
 
 	link->device = device;
-	link->handle = device->handle;
 	strcpy(acpi_device_name(device), ACPI_PCI_LINK_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_PCI_LINK_CLASS);
 	acpi_driver_data(device) = link;
···
 
       end:
 	/* disable all links -- to be activated on use */
-	acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
+	acpi_ut_evaluate_object(device->handle, "_DIS", 0, NULL);
 	mutex_unlock(&acpi_link_lock);
 
 	if (result)

drivers/acpi/pci_root.c

···
 
 struct acpi_pci_root {
 	struct list_head node;
-	acpi_handle handle;
+	struct acpi_device * device;
 	struct acpi_pci_id id;
 	struct pci_bus *bus;
 };
···
 	list_for_each(entry, &acpi_pci_roots) {
 		struct acpi_pci_root *root;
 		root = list_entry(entry, struct acpi_pci_root, node);
-		driver->add(root->handle);
+		driver->add(root->device->handle);
 		n++;
 	}
 
···
 	list_for_each(entry, &acpi_pci_roots) {
 		struct acpi_pci_root *root;
 		root = list_entry(entry, struct acpi_pci_root, node);
-		driver->remove(root->handle);
+		driver->remove(root->device->handle);
 	}
 }
 
···
 	memset(root, 0, sizeof(struct acpi_pci_root));
 	INIT_LIST_HEAD(&root->node);
 
-	root->handle = device->handle;
+	root->device = device;
 	strcpy(acpi_device_name(device), ACPI_PCI_ROOT_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
 	acpi_driver_data(device) = root;
···
 	 * -------
 	 * Obtained via _SEG, if exists, otherwise assumed to be zero (0).
 	 */
-	status = acpi_evaluate_integer(root->handle, METHOD_NAME__SEG, NULL,
+	status = acpi_evaluate_integer(device->handle, METHOD_NAME__SEG, NULL,
 				       &value);
 	switch (status) {
 	case AE_OK:
···
 	 * ---
 	 * Obtained via _BBN, if exists, otherwise assumed to be zero (0).
 	 */
-	status = acpi_evaluate_integer(root->handle, METHOD_NAME__BBN, NULL,
+	status = acpi_evaluate_integer(device->handle, METHOD_NAME__BBN, NULL,
 				       &value);
 	switch (status) {
 	case AE_OK:
···
 				    "Wrong _BBN value, reboot"
 				    " and use option 'pci=noacpi'\n");
 
-			status = try_get_root_bridge_busnr(root->handle, &bus);
+			status = try_get_root_bridge_busnr(device->handle, &bus);
 			if (ACPI_FAILURE(status))
 				break;
 			if (bus != root->id.bus) {
···
 	 * -----------------
 	 * Evaluate and parse _PRT, if exists.
 	 */
-	status = acpi_get_handle(root->handle, METHOD_NAME__PRT, &handle);
+	status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle);
 	if (ACPI_SUCCESS(status))
-		result = acpi_pci_irq_add_prt(root->handle, root->id.segment,
+		result = acpi_pci_irq_add_prt(device->handle, root->id.segment,
 					      root->id.bus);
 
       end:
···
 
 
 	list_for_each_entry(root, &acpi_pci_roots, node) {
-		if (root->handle == device->handle) {
+		if (root->device == device) {
 			pci_bus_add_devices(root->bus);
 			return 0;
 		}

drivers/acpi/power.c

···
 };
 
 struct acpi_power_resource {
-	acpi_handle handle;
+	struct acpi_device * device;
 	acpi_bus_id name;
 	u32 system_level;
 	u32 order;
···
 	if (!resource)
 		return -EINVAL;
 
-	status = acpi_evaluate_integer(resource->handle, "_STA", NULL, &sta);
+	status = acpi_evaluate_integer(resource->device->handle, "_STA", NULL, &sta);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
···
 		return 0;
 	}
 
-	status = acpi_evaluate_object(resource->handle, "_ON", NULL, NULL);
+	status = acpi_evaluate_object(resource->device->handle, "_ON", NULL, NULL);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
···
 		return -ENOEXEC;
 
 	/* Update the power resource's _device_ power state */
-	result = acpi_bus_get_device(resource->handle, &device);
-	if (result)
-		return result;
-	device->power.state = ACPI_STATE_D0;
+	device = resource->device;
+	resource->device->power.state = ACPI_STATE_D0;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned on\n",
 			  resource->name));
···
 		return 0;
 	}
 
-	status = acpi_evaluate_object(resource->handle, "_OFF", NULL, NULL);
+	status = acpi_evaluate_object(resource->device->handle, "_OFF", NULL, NULL);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
···
 		return -ENOEXEC;
 
 	/* Update the power resource's _device_ power state */
-	result = acpi_bus_get_device(resource->handle, &device);
-	if (result)
-		return result;
+	device = resource->device;
 	device->power.state = ACPI_STATE_D3;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned off\n",
···
 		return -ENOMEM;
 	memset(resource, 0, sizeof(struct acpi_power_resource));
 
-	resource->handle = device->handle;
+	resource->device = device;
 	strcpy(resource->name, device->pnp.bus_id);
 	strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
 	acpi_driver_data(device) = resource;
 
 	/* Evalute the object to get the system level and resource order. */
-	status = acpi_evaluate_object(resource->handle, NULL, NULL, &buffer);
+	status = acpi_evaluate_object(device->handle, NULL, NULL, &buffer);
 	if (ACPI_FAILURE(status)) {
 		result = -ENODEV;
 		goto end;

drivers/acpi/thermal.c

···
 };
 
 struct acpi_thermal {
-	acpi_handle handle;
+	struct acpi_device * device;
 	acpi_bus_id name;
 	unsigned long temperature;
 	unsigned long last_temperature;
···
 	tz->last_temperature = tz->temperature;
 
 	status =
-	    acpi_evaluate_integer(tz->handle, "_TMP", NULL, &tz->temperature);
+	    acpi_evaluate_integer(tz->device->handle, "_TMP", NULL, &tz->temperature);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
···
 		return -EINVAL;
 
 	status =
-	    acpi_evaluate_integer(tz->handle, "_TZP", NULL,
+	    acpi_evaluate_integer(tz->device->handle, "_TZP", NULL,
 				  &tz->polling_frequency);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
···
 	if (!tz)
 		return -EINVAL;
 
-	status = acpi_get_handle(tz->handle, "_SCP", &handle);
+	status = acpi_get_handle(tz->device->handle, "_SCP", &handle);
 	if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "_SCP not present\n"));
 		return -ENODEV;
···
 
 	/* Critical Shutdown (required) */
 
-	status = acpi_evaluate_integer(tz->handle, "_CRT", NULL,
+	status = acpi_evaluate_integer(tz->device->handle, "_CRT", NULL,
 				       &tz->trips.critical.temperature);
 	if (ACPI_FAILURE(status)) {
 		tz->trips.critical.flags.valid = 0;
···
 	/* Critical Sleep (optional) */
 
 	status =
-	    acpi_evaluate_integer(tz->handle, "_HOT", NULL,
+	    acpi_evaluate_integer(tz->device->handle, "_HOT", NULL,
 				  &tz->trips.hot.temperature);
 	if (ACPI_FAILURE(status)) {
 		tz->trips.hot.flags.valid = 0;
···
 	/* Passive: Processors (optional) */
 
 	status =
-	    acpi_evaluate_integer(tz->handle, "_PSV", NULL,
+	    acpi_evaluate_integer(tz->device->handle, "_PSV", NULL,
 				  &tz->trips.passive.temperature);
 	if (ACPI_FAILURE(status)) {
 		tz->trips.passive.flags.valid = 0;
···
 		tz->trips.passive.flags.valid = 1;
 
 		status =
-		    acpi_evaluate_integer(tz->handle, "_TC1", NULL,
+		    acpi_evaluate_integer(tz->device->handle, "_TC1", NULL,
 					  &tz->trips.passive.tc1);
 		if (ACPI_FAILURE(status))
 			tz->trips.passive.flags.valid = 0;
 
 		status =
-		    acpi_evaluate_integer(tz->handle, "_TC2", NULL,
+		    acpi_evaluate_integer(tz->device->handle, "_TC2", NULL,
 					  &tz->trips.passive.tc2);
 		if (ACPI_FAILURE(status))
 			tz->trips.passive.flags.valid = 0;
 
 		status =
-		    acpi_evaluate_integer(tz->handle, "_TSP", NULL,
+		    acpi_evaluate_integer(tz->device->handle, "_TSP", NULL,
 					  &tz->trips.passive.tsp);
 		if (ACPI_FAILURE(status))
 			tz->trips.passive.flags.valid = 0;
 
 		status =
-		    acpi_evaluate_reference(tz->handle, "_PSL", NULL,
+		    acpi_evaluate_reference(tz->device->handle, "_PSL", NULL,
 					    &tz->trips.passive.devices);
 		if (ACPI_FAILURE(status))
 			tz->trips.passive.flags.valid = 0;
···
 		char name[5] = { '_', 'A', 'C', ('0' + i), '\0' };
 
 		status =
-		    acpi_evaluate_integer(tz->handle, name, NULL,
+		    acpi_evaluate_integer(tz->device->handle, name, NULL,
 					  &tz->trips.active[i].temperature);
 		if (ACPI_FAILURE(status))
 			break;
 
 		name[2] = 'L';
 		status =
-		    acpi_evaluate_reference(tz->handle, name, NULL,
+		    acpi_evaluate_reference(tz->device->handle, name, NULL,
 					    &tz->trips.active[i].devices);
 		if (ACPI_SUCCESS(status)) {
 			tz->trips.active[i].flags.valid = 1;
···
 		return -EINVAL;
 
 	status =
-	    acpi_evaluate_reference(tz->handle, "_TZD", NULL, &tz->devices);
+	    acpi_evaluate_reference(tz->device->handle, "_TZD", NULL, &tz->devices);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
···
 
 static int acpi_thermal_critical(struct acpi_thermal *tz)
 {
-	int result = 0;
-	struct acpi_device *device = NULL;
-
-
 	if (!tz || !tz->trips.critical.flags.valid)
 		return -EINVAL;
 
···
 	} else if (tz->trips.critical.flags.enabled)
 		tz->trips.critical.flags.enabled = 0;
 
-	result = acpi_bus_get_device(tz->handle, &device);
-	if (result)
-		return result;
-
 	printk(KERN_EMERG
 	       "Critical temperature reached (%ld C), shutting down.\n",
 	       KELVIN_TO_CELSIUS(tz->temperature));
-	acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_CRITICAL,
+	acpi_bus_generate_event(tz->device, ACPI_THERMAL_NOTIFY_CRITICAL,
 				tz->trips.critical.flags.enabled);
 
 	acpi_thermal_call_usermode(ACPI_THERMAL_PATH_POWEROFF);
···
 
 static int acpi_thermal_hot(struct acpi_thermal *tz)
 {
-	int result = 0;
-	struct acpi_device *device = NULL;
-
-
 	if (!tz || !tz->trips.hot.flags.valid)
 		return -EINVAL;
 
···
 	} else if (tz->trips.hot.flags.enabled)
 		tz->trips.hot.flags.enabled = 0;
 
-	result = acpi_bus_get_device(tz->handle, &device);
-	if (result)
-		return result;
-
-	acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_HOT,
+	acpi_bus_generate_event(tz->device, ACPI_THERMAL_NOTIFY_HOT,
 				tz->trips.hot.flags.enabled);
 
 	/* TBD: Call user-mode "sleep(S4)" function */
···
 	if (!tz)
 		return;
 
-	if (acpi_bus_get_device(tz->handle, &device))
-		return;
+	device = tz->device;
 
 	switch (event) {
 	case ACPI_THERMAL_NOTIFY_TEMPERATURE:
···
 		return -ENOMEM;
 	memset(tz, 0, sizeof(struct acpi_thermal));
 
-	tz->handle = device->handle;
+	tz->device = device;
 	strcpy(tz->name, device->pnp.bus_id);
 	strcpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_THERMAL_CLASS);
···
 
 	acpi_thermal_check(tz);
 
-	status = acpi_install_notify_handler(tz->handle,
+	status = acpi_install_notify_handler(device->handle,
 					     ACPI_DEVICE_NOTIFY,
 					     acpi_thermal_notify, tz);
 	if (ACPI_FAILURE(status)) {
···
 	/* deferred task may reinsert timer */
 	del_timer_sync(&(tz->timer));
 
-	status = acpi_remove_notify_handler(tz->handle,
+	status = acpi_remove_notify_handler(device->handle,
 					    ACPI_DEVICE_NOTIFY,
 					    acpi_thermal_notify);
 

drivers/acpi/video.c

···
 };
 
 struct acpi_video_bus {
-	acpi_handle handle;
+	struct acpi_device *device;
 	u8 dos_setting;
 	struct acpi_video_enumerated_device *attached_array;
 	u8 attached_count;
···
 };
 
 struct acpi_video_device {
-	acpi_handle handle;
 	unsigned long device_id;
 	struct acpi_video_device_flags flags;
 	struct acpi_video_device_cap cap;
···
 acpi_video_device_query(struct acpi_video_device *device, unsigned long *state)
 {
 	int status;
-	status = acpi_evaluate_integer(device->handle, "_DGS", NULL, state);
+
+	status = acpi_evaluate_integer(device->dev->handle, "_DGS", NULL, state);
 
 	return status;
 }
···
 {
 	int status;
 
-
-	status = acpi_evaluate_integer(device->handle, "_DCS", NULL, state);
+	status = acpi_evaluate_integer(device->dev->handle, "_DCS", NULL, state);
 
 	return status;
 }
···
 
 
 	arg0.integer.value = state;
-	status = acpi_evaluate_integer(device->handle, "_DSS", &args, &ret);
+	status = acpi_evaluate_integer(device->dev->handle, "_DSS", &args, &ret);
 
 	return status;
 }
···
 
 	*levels = NULL;
 
-	status = acpi_evaluate_object(device->handle, "_BCL", NULL, &buffer);
+	status = acpi_evaluate_object(device->dev->handle, "_BCL", NULL, &buffer);
 	if (!ACPI_SUCCESS(status))
 		return status;
 	obj = (union acpi_object *)buffer.pointer;
···
 
 
 	arg0.integer.value = level;
-	status = acpi_evaluate_object(device->handle, "_BCM", &args, NULL);
+	status = acpi_evaluate_object(device->dev->handle, "_BCM", &args, NULL);
 
 	printk(KERN_DEBUG "set_level status: %x\n", status);
 	return status;
···
 {
 	int status;
 
-	status = acpi_evaluate_integer(device->handle, "_BQC", NULL, level);
+	status = acpi_evaluate_integer(device->dev->handle, "_BQC", NULL, level);
 
 	return status;
 }
···
 	else
 		return -EINVAL;
 
-	status = acpi_evaluate_object(device->handle, "_DDC", &args, &buffer);
+	status = acpi_evaluate_object(device->dev->handle, "_DDC", &args, &buffer);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
···
 
 	arg0.integer.value = option;
 
-	status = acpi_evaluate_integer(video->handle, "_SPD", &args, &tmp);
+	status = acpi_evaluate_integer(video->device->handle, "_SPD", &args, &tmp);
 	if (ACPI_SUCCESS(status))
 		status = tmp ? (-EINVAL) : (AE_OK);
 
···
 {
 	int status;
 
-
-	status = acpi_evaluate_integer(video->handle, "_GPD", NULL, id);
+	status = acpi_evaluate_integer(video->device->handle, "_GPD", NULL, id);
 
 	return status;
 }
···
 {
 	int status;
 
-	status = acpi_evaluate_integer(video->handle, "_VPO", NULL, options);
+	status = acpi_evaluate_integer(video->device->handle, "_VPO", NULL, options);
 	*options &= 3;
 
 	return status;
···
 	}
 	arg0.integer.value = (lcd_flag << 2) | bios_flag;
 	video->dos_setting = arg0.integer.value;
-	acpi_evaluate_object(video->handle, "_DOS", &args, NULL);
+	acpi_evaluate_object(video->device->handle, "_DOS", &args, NULL);
 
       Failed:
 	return status;
···
 
 	memset(&device->cap, 0, 4);
 
-	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ADR", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_ADR", &h_dummy1))) {
 		device->cap._ADR = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_BCL", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_BCL", &h_dummy1))) {
 		device->cap._BCL = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_BCM", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_BCM", &h_dummy1))) {
 		device->cap._BCM = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DDC", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DDC", &h_dummy1))) {
 		device->cap._DDC = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DCS", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DCS", &h_dummy1))) {
 		device->cap._DCS = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DGS", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DGS", &h_dummy1))) {
 		device->cap._DGS = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DSS", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DSS", &h_dummy1))) {
 		device->cap._DSS = 1;
 	}
 
···
 	acpi_handle h_dummy1;
 
 	memset(&video->cap, 0, 4);
-	if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_DOS", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_DOS", &h_dummy1))) {
 		video->cap._DOS = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_DOD", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_DOD", &h_dummy1))) {
 		video->cap._DOD = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_ROM", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_ROM", &h_dummy1))) {
 		video->cap._ROM = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_GPD", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_GPD", &h_dummy1))) {
 		video->cap._GPD = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_SPD", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_SPD", &h_dummy1))) {
 		video->cap._SPD = 1;
 	}
-	if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_VPO", &h_dummy1))) {
+	if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_VPO", &h_dummy1))) {
 		video->cap._VPO = 1;
 	}
 }
···
 
 		memset(data, 0, sizeof(struct acpi_video_device));
 
-		data->handle = device->handle;
 		strcpy(acpi_device_name(device), ACPI_VIDEO_DEVICE_NAME);
 		strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
 		acpi_driver_data(device) = data;
···
 		acpi_video_device_bind(video, data);
 		acpi_video_device_find_cap(data);
 
-		status = acpi_install_notify_handler(data->handle,
+		status = acpi_install_notify_handler(device->handle,
 						     ACPI_DEVICE_NOTIFY,
 						     acpi_video_device_notify,
 						     data);
···
 	union acpi_object *dod = NULL;
 	union acpi_object *obj;
 
-
-	status = acpi_evaluate_object(video->handle, "_DOD", NULL, &buffer);
+	status = acpi_evaluate_object(video->device->handle, "_DOD", NULL, &buffer);
 	if (!ACPI_SUCCESS(status)) {
 		ACPI_EXCEPTION((AE_INFO, status, "Evaluating _DOD"));
 		return status;
···
 	up(&video->sem);
 	acpi_video_device_remove_fs(device->dev);
 
-	status = acpi_remove_notify_handler(device->handle,
+	status = acpi_remove_notify_handler(device->dev->handle,
 					    ACPI_DEVICE_NOTIFY,
 					    acpi_video_device_notify);
 
···
 	if (!video)
 		return;
 
-	if (acpi_bus_get_device(handle, &device))
-		return;
+	device = video->device;
 
 	switch (event) {
 	case ACPI_VIDEO_NOTIFY_SWITCH:	/* User request that a switch occur,
···
 	if (!video_device)
 		return;
 
-	if (acpi_bus_get_device(handle, &device))
-		return;
+	device = video_device->dev;
 
 	switch (event) {
 	case ACPI_VIDEO_NOTIFY_SWITCH:	/* change in status (cycle output device) */
···
 		return -ENOMEM;
 	memset(video, 0, sizeof(struct acpi_video_bus));
 
-	video->handle = device->handle;
+	video->device = device;
 	strcpy(acpi_device_name(device), ACPI_VIDEO_BUS_NAME);
 	strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
 	acpi_driver_data(device) = video;
···
 	acpi_video_bus_get_devices(video, device);
 	acpi_video_bus_start_devices(video);
 
-	status = acpi_install_notify_handler(video->handle,
+	status = acpi_install_notify_handler(device->handle,
 					     ACPI_DEVICE_NOTIFY,
 					     acpi_video_bus_notify, video);
 	if (ACPI_FAILURE(status)) {
···
 
 	acpi_video_bus_stop_devices(video);
 
-	status = acpi_remove_notify_handler(video->handle,
+	status = acpi_remove_notify_handler(video->device->handle,
 					    ACPI_DEVICE_NOTIFY,
 					    acpi_video_bus_notify);