diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 243ee85..4904700 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -121,7 +121,6 @@ acpi_handle acpi_get_child(acpi_handle parent, u64 address)
 			    1, do_acpi_find_child, NULL, &find, NULL);
 	return find.handle;
 }
-
 EXPORT_SYMBOL(acpi_get_child);
 
 /* Link ACPI devices with physical devices */
@@ -142,7 +141,6 @@ struct device *acpi_get_physical_device(acpi_handle handle)
 		return get_device(dev);
 	return NULL;
 }
-
 EXPORT_SYMBOL(acpi_get_physical_device);
 
 static int acpi_bind_one(struct device *dev, acpi_handle handle)
@@ -162,6 +160,8 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle)
 	}
 	dev->archdata.acpi_handle = handle;
 
+	acpi_pci_bind_notify(dev->archdata.acpi_handle, dev, true);
+
 	status = acpi_bus_get_device(handle, &acpi_dev);
 	if (!ACPI_FAILURE(status)) {
 		int ret;
@@ -193,6 +193,8 @@ static int acpi_unbind_one(struct device *dev)
 			sysfs_remove_link(&acpi_dev->dev.kobj, "physical_node");
 		}
 
+		acpi_pci_bind_notify(dev->archdata.acpi_handle, dev, false);
+
 		acpi_detach_data(dev->archdata.acpi_handle,
 				 acpi_glue_data_handler);
 		dev->archdata.acpi_handle = NULL;
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index ca75b9c..5396b20 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -93,4 +93,6 @@ static inline int suspend_nvs_save(void) { return 0; }
 static inline void suspend_nvs_restore(void) {}
 #endif
 
+void acpi_pci_bind_notify(acpi_handle handle, struct device *dev, bool bind);
+
 #endif /* _ACPI_INTERNAL_H_ */
diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index 2ef0409..320e698 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -35,40 +35,41 @@
 #define _COMPONENT		ACPI_PCI_COMPONENT
 ACPI_MODULE_NAME("pci_bind");
 
-static int acpi_pci_unbind(struct acpi_device *device)
-{
-	struct pci_dev *dev;
-
-	dev = acpi_get_pci_dev(device->handle);
-	if (!dev)
-		goto out;
+static int acpi_pci_bind_cb(struct acpi_device *device);
 
+static int acpi_pci_unbind(struct acpi_device *device, struct pci_dev *dev)
+{
 	device_set_run_wake(&dev->dev, false);
 	pci_acpi_remove_pm_notifier(device);
 
-	if (!dev->subordinate)
-		goto out;
+	if (dev->subordinate) {
+		acpi_pci_irq_del_prt(dev->subordinate);
+		device->ops.bind = NULL;
+		device->ops.unbind = NULL;
+	}
+
+	return 0;
+}
 
-	acpi_pci_irq_del_prt(dev->subordinate);
+static int acpi_pci_unbind_cb(struct acpi_device *device)
+{
+	int rc = 0;
+	struct pci_dev *dev;
 
-	device->ops.bind = NULL;
-	device->ops.unbind = NULL;
+	dev = acpi_get_pci_dev(device->handle);
+	if (dev) {
+		rc = acpi_pci_unbind(device, dev);
+		pci_dev_put(dev);
+	}
 
-out:
-	pci_dev_put(dev);
-	return 0;
+	return rc;
 }
 
-static int acpi_pci_bind(struct acpi_device *device)
+static int acpi_pci_bind(struct acpi_device *device, struct pci_dev *dev)
 {
 	acpi_status status;
 	acpi_handle handle;
 	struct pci_bus *bus;
-	struct pci_dev *dev;
-
-	dev = acpi_get_pci_dev(device->handle);
-	if (!dev)
-		return 0;
 
 	pci_acpi_add_pm_notifier(device, dev);
 	if (device->wakeup.flags.run_wake)
@@ -83,8 +84,8 @@ static int acpi_pci_bind(struct acpi_device *device)
 				  "Device %04x:%02x:%02x.%d is a PCI bridge\n",
 				  pci_domain_nr(dev->bus), dev->bus->number,
 				  PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)));
-		device->ops.bind = acpi_pci_bind;
-		device->ops.unbind = acpi_pci_unbind;
+		device->ops.bind = acpi_pci_bind_cb;
+		device->ops.unbind = acpi_pci_unbind_cb;
 	}
 
 	/*
@@ -96,25 +97,55 @@ static int acpi_pci_bind(struct acpi_device *device)
 	 * TBD: Can _PRTs exist within the scope of non-bridge PCI devices?
 	 */
 	status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle);
-	if (ACPI_FAILURE(status))
-		goto out;
+	if (ACPI_SUCCESS(status)) {
+		if (dev->subordinate)
+			bus = dev->subordinate;
+		else
+			bus = dev->bus;
+		acpi_pci_irq_add_prt(device->handle, bus);
+	}
 
-	if (dev->subordinate)
-		bus = dev->subordinate;
-	else
-		bus = dev->bus;
+	return 0;
+}
 
-	acpi_pci_irq_add_prt(device->handle, bus);
+static int acpi_pci_bind_cb(struct acpi_device *device)
+{
+	int rc = 0;
+	struct pci_dev *dev;
 
-out:
-	pci_dev_put(dev);
-	return 0;
+	dev = acpi_get_pci_dev(device->handle);
+	if (dev) {
+		rc = acpi_pci_bind(device, dev);
+		pci_dev_put(dev);
+	}
+
+	return rc;
 }
 
 int acpi_pci_bind_root(struct acpi_device *device)
 {
-	device->ops.bind = acpi_pci_bind;
-	device->ops.unbind = acpi_pci_unbind;
+	device->ops.bind = acpi_pci_bind_cb;
+	device->ops.unbind = acpi_pci_unbind_cb;
 
 	return 0;
 }
+
+void acpi_pci_bind_notify(acpi_handle handle, struct device *dev, bool bind)
+{
+	struct acpi_device *acpi_dev;
+
+	if (!dev_is_pci(dev))
+		return;
+	if (acpi_bus_get_device(handle, &acpi_dev) || !acpi_dev)
+		return;
+
+	if (acpi_dev->parent) {
+		if (bind) {
+			if (acpi_dev->parent->ops.bind)
+				acpi_pci_bind(acpi_dev, to_pci_dev(dev));
+		} else {
+			if (acpi_dev->parent->ops.unbind)
+				acpi_pci_unbind(acpi_dev, to_pci_dev(dev));
+		}
+	}
+}
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 72a2c98..7509034 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -195,21 +195,6 @@ static acpi_status try_get_root_bridge_busnr(acpi_handle handle,
 	return AE_OK;
 }
 
-static void acpi_pci_bridge_scan(struct acpi_device *device)
-{
-	int status;
-	struct acpi_device *child = NULL;
-
-	if (device->flags.bus_address)
-		if (device->parent && device->parent->ops.bind) {
-			status = device->parent->ops.bind(device);
-			if (!status) {
-				list_for_each_entry(child, &device->children, node)
-					acpi_pci_bridge_scan(child);
-			}
-		}
-}
-
 static u8 pci_osc_uuid_str[] = "33DB4D5B-1FF7-401C-9657-7441C03DD766";
 
 static acpi_status acpi_pci_run_osc(acpi_handle handle,
@@ -456,7 +441,6 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 	int result;
 	struct acpi_pci_root *root;
 	acpi_handle handle;
-	struct acpi_device *child;
 	u32 flags, base_flags;
 
 	root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
@@ -521,6 +505,15 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 	/* TBD: Locking */
 	list_add_tail(&root->node, &acpi_pci_roots);
 
+	/*
+	 * Attach ACPI-PCI Context
+	 * -----------------------
+	 * Thus binding the ACPI and PCI devices.
+	 */
+	result = acpi_pci_bind_root(device);
+	if (result)
+		goto end;
+
 	printk(KERN_INFO PREFIX "%s [%s] (domain %04x %pR)\n",
 	       acpi_device_name(device), acpi_device_bid(device),
 	       root->segment, &root->secondary);
@@ -542,15 +535,6 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 	}
 
 	/*
-	 * Attach ACPI-PCI Context
-	 * -----------------------
-	 * Thus binding the ACPI and PCI devices.
-	 */
-	result = acpi_pci_bind_root(device);
-	if (result)
-		goto end;
-
-	/*
 	 * PCI Routing Table
 	 * -----------------
 	 * Evaluate and parse _PRT, if exists.
@@ -559,12 +543,6 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 	if (ACPI_SUCCESS(status))
 		result = acpi_pci_irq_add_prt(device->handle, root->bus);
 
-	/*
-	 * Scan and bind all _ADR-Based Devices
-	 */
-	list_for_each_entry(child, &device->children, node)
-		acpi_pci_bridge_scan(child);
-
 	/* Indicate support for various _OSC capabilities. */
 	if (pci_ext_cfg_avail(root->bus->self))
 		flags |= OSC_EXT_PCI_CONFIG_SUPPORT;
