diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index eaddb7a89c70d93a4bd47c2f7f038c8c9326d4f8..15ea22fc1f5e4c579eed1180057b14705a783f2d 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -167,7 +167,7 @@ acpi_memory_get_device(acpi_handle handle,
 	 * Now add the notified device.  This creates the acpi_device
 	 * and invokes .add function
 	 */
-	result = acpi_bus_add(handle);
+	result = acpi_bus_scan(handle);
 	if (result) {
 		acpi_handle_warn(handle, "Cannot add acpi bus\n");
 		return -EINVAL;
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index f8fb2281f34a550662b06453fc16097a8486b7cc..cc79d3e53a3919f9cf84df850ae9fc846549fb45 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -166,7 +166,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
 		if (!ACPI_FAILURE(status) || device)
 			break;
 
-		result = acpi_bus_add(handle);
+		result = acpi_bus_scan(handle);
 		if (result) {
 			acpi_handle_warn(handle, "Failed to add container\n");
 			break;
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 4a56a8b2e51e488a5be8828a6c47e5c77eb64c65..420d24fc938832a8bff776e1f6126468fade7bf0 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -317,7 +317,7 @@ static struct acpi_device * dock_create_acpi_device(acpi_handle handle)
 		 * no device created for this object,
 		 * so we should create one.
 		 */
-		ret = acpi_bus_add(handle);
+		ret = acpi_bus_scan(handle);
 		if (ret)
 			pr_debug("error adding bus, %x\n", -ret);
 
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index a24ee43e06e4073e1d96ab4482419d8c3957695e..9c5929a17d3ae2f8704dd3ce9cdd58a6742686fb 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -699,7 +699,7 @@ static void acpi_processor_hotplug_notify(acpi_handle handle,
 		if (!acpi_bus_get_device(handle, &device))
 			break;
 
-		result = acpi_bus_add(handle);
+		result = acpi_bus_scan(handle);
 		if (result) {
 			acpi_handle_err(handle, "Unable to add the device\n");
 			break;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 388b59c096dcfda934c99c33a482f902fb785294..7c43bdc36abccf90155c2dfe7341ae890535fc7b 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1577,26 +1577,8 @@ static acpi_status acpi_bus_device_attach(acpi_handle handle, u32 lvl_not_used,
 	return status;
 }
 
-static int acpi_bus_scan(acpi_handle handle)
-{
-	void *device = NULL;
-
-	if (ACPI_SUCCESS(acpi_bus_check_add(handle, 0, NULL, &device)))
-		acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
-				    acpi_bus_check_add, NULL, NULL, &device);
-
-	if (!device)
-		return -ENODEV;
-
-	if (ACPI_SUCCESS(acpi_bus_device_attach(handle, 0, NULL, NULL)))
-		acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
-				    acpi_bus_device_attach, NULL, NULL, NULL);
-
-	return 0;
-}
-
 /**
- * acpi_bus_add - Add ACPI device node objects in a given namespace scope.
+ * acpi_bus_scan - Add ACPI device node objects in a given namespace scope.
  * @handle: Root of the namespace scope to scan.
  *
  * Scan a given ACPI tree (probably recently hot-plugged) and create and add
@@ -1607,18 +1589,24 @@ static int acpi_bus_scan(acpi_handle handle)
  * in the table trunk from which the kernel could create a device and add an
  * appropriate driver.
  */
-int acpi_bus_add(acpi_handle handle)
+int acpi_bus_scan(acpi_handle handle)
 {
-	int err;
+	void *device = NULL;
 
-	err = acpi_bus_scan(handle);
-	if (err)
-		return err;
+	if (ACPI_SUCCESS(acpi_bus_check_add(handle, 0, NULL, &device)))
+		acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
+				    acpi_bus_check_add, NULL, NULL, &device);
+
+	if (!device)
+		return -ENODEV;
+
+	if (ACPI_SUCCESS(acpi_bus_device_attach(handle, 0, NULL, NULL)))
+		acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
+				    acpi_bus_device_attach, NULL, NULL, NULL);
 
-	acpi_update_all_gpes();
 	return 0;
 }
-EXPORT_SYMBOL(acpi_bus_add);
+EXPORT_SYMBOL(acpi_bus_scan);
 
 static acpi_status acpi_bus_device_detach(acpi_handle handle, u32 lvl_not_used,
 					  void *not_used, void **ret_not_used)
@@ -1708,13 +1696,15 @@ int __init acpi_scan_init(void)
 		return result;
 
 	result = acpi_bus_get_device(ACPI_ROOT_OBJECT, &acpi_root);
-	if (!result)
-		result = acpi_bus_scan_fixed();
-
 	if (result)
+		return result;
+
+	result = acpi_bus_scan_fixed();
+	if (result) {
 		acpi_device_unregister(acpi_root);
-	else
-		acpi_update_all_gpes();
+		return result;
+	}
 
-	return result;
+	acpi_update_all_gpes();
+	return 0;
 }
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 22006f2d9dd5780e20734465587b7dabfb4a43bb..9e2b1f6dbe41a01cd0e6e571e1b859e6b963069f 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -746,7 +746,7 @@ static int acpiphp_bus_add(struct acpiphp_func *func)
 		dbg("acpi_bus_trim return %x\n", ret_val);
 	}
 
-	ret_val = acpi_bus_add(func->handle);
+	ret_val = acpi_bus_scan(func->handle);
 	if (!ret_val)
 		ret_val = acpi_bus_get_device(func->handle, &device);
 
@@ -1129,7 +1129,7 @@ static void handle_bridge_insertion(acpi_handle handle, u32 type)
 		return;
 	}
 
-	if (acpi_bus_add(handle)) {
+	if (acpi_bus_scan(handle)) {
 		err("cannot add bridge to acpi list\n");
 		return;
 	}
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index 2e006ee5738b556228431e130be1fa4b0f29f209..ae606b3e991e90694728ae3d1f8c380c5762774d 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -447,9 +447,9 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 			if (ACPI_SUCCESS(ret) &&
 			    (adr>>16) == (slot->device_num + 1)) {
 
-				ret = acpi_bus_add(chandle);
+				ret = acpi_bus_scan(chandle);
 				if (ACPI_FAILURE(ret)) {
-					printk(KERN_ERR "%s: acpi_bus_add "
+					printk(KERN_ERR "%s: acpi_bus_scan "
 					       "failed (0x%x) for slot %d "
 					       "func %d\n", __func__,
 					       ret, (int)(adr>>16),
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 567851b4f04309b3f23aed40b11af65b31e5ce86..2c722deb2490b88612fadce7f7160390f4ad3099 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -346,7 +346,7 @@ static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 ty
 #endif
 int acpi_bus_register_driver(struct acpi_driver *driver);
 void acpi_bus_unregister_driver(struct acpi_driver *driver);
-int acpi_bus_add(acpi_handle handle);
+int acpi_bus_scan(acpi_handle handle);
 void acpi_bus_hot_remove_device(void *context);
 int acpi_bus_trim(struct acpi_device *start);
 acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd);