diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index c49a1c482cfb100dfe91f1d1bba173c842803646..122df80592c360edd8ca4156e89ffe97678619c9 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -9,13 +9,6 @@
 
 #include "pci.h"
 
-static LIST_HEAD(pci_host_bridges);
-
-void add_to_pci_host_bridges(struct pci_host_bridge *bridge)
-{
-	list_add_tail(&bridge->list, &pci_host_bridges);
-}
-
 static struct pci_bus *find_pci_root_bus(struct pci_dev *dev)
 {
 	struct pci_bus *bus;
@@ -30,14 +23,8 @@ static struct pci_bus *find_pci_root_bus(struct pci_dev *dev)
 static struct pci_host_bridge *find_pci_host_bridge(struct pci_dev *dev)
 {
 	struct pci_bus *bus = find_pci_root_bus(dev);
-	struct pci_host_bridge *bridge;
-
-	list_for_each_entry(bridge, &pci_host_bridges, list) {
-		if (bridge->bus == bus)
-			return bridge;
-	}
 
-	return NULL;
+	return to_pci_host_bridge(bus->bridge);
 }
 
 static bool resource_contains(struct resource *res1, struct resource *res2)
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index c695a92cca13355bbee00b1d558ecd3d915ca9be..e4943479b234d1f4ff6fc5121a28dbb322fa2ba6 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -231,8 +231,6 @@ static inline int pci_ari_enabled(struct pci_bus *bus)
 void pci_reassigndev_resource_alignment(struct pci_dev *dev);
 extern void pci_disable_bridge_window(struct pci_dev *dev);
 
-void add_to_pci_host_bridges(struct pci_host_bridge *bridge);
-
 /* Single Root I/O Virtualization */
 struct pci_sriov {
 	int pos;		/* capability position */
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index bcea52b90e0d6fee36232a5c70c5e6820872e5a7..8d291ee15257acece09e74e89683b84a9f0710c2 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -422,6 +422,19 @@ static struct pci_bus * pci_alloc_bus(void)
 	return b;
 }
 
+static struct pci_host_bridge *pci_alloc_host_bridge(struct pci_bus *b)
+{
+	struct pci_host_bridge *bridge;
+
+	bridge = kzalloc(sizeof(*bridge), GFP_KERNEL);
+	if (bridge) {
+		INIT_LIST_HEAD(&bridge->windows);
+		bridge->bus = b;
+	}
+
+	return bridge;
+}
+
 static unsigned char pcix_bus_speed[] = {
 	PCI_SPEED_UNKNOWN,		/* 0 */
 	PCI_SPEED_66MHz_PCIX,		/* 1 */
@@ -1122,7 +1135,13 @@ int pci_cfg_space_size(struct pci_dev *dev)
 
 static void pci_release_bus_bridge_dev(struct device *dev)
 {
-	kfree(dev);
+	struct pci_host_bridge *bridge = to_pci_host_bridge(dev);
+
+	/* TODO: need to free window->res */
+
+	pci_free_resource_list(&bridge->windows);
+
+	kfree(bridge);
 }
 
 struct pci_dev *alloc_pci_dev(void)
@@ -1571,28 +1590,19 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
 	int error;
 	struct pci_host_bridge *bridge;
 	struct pci_bus *b, *b2;
-	struct device *dev;
 	struct pci_host_bridge_window *window, *n;
 	struct resource *res;
 	resource_size_t offset;
 	char bus_addr[64];
 	char *fmt;
 
-	bridge = kzalloc(sizeof(*bridge), GFP_KERNEL);
-	if (!bridge)
-		return NULL;
 
 	b = pci_alloc_bus();
 	if (!b)
-		goto err_bus;
-
-	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev)
-		goto err_dev;
+		return NULL;
 
 	b->sysdata = sysdata;
 	b->ops = ops;
-
 	b2 = pci_find_bus(pci_domain_nr(b), bus);
 	if (b2) {
 		/* If we already got to this bus through a different bridge, ignore it */
@@ -1600,13 +1610,17 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
 		goto err_out;
 	}
 
-	dev->parent = parent;
-	dev->release = pci_release_bus_bridge_dev;
-	dev_set_name(dev, "pci%04x:%02x", pci_domain_nr(b), bus);
-	error = device_register(dev);
+	bridge = pci_alloc_host_bridge(b);
+	if (!bridge)
+		goto err_out;
+
+	bridge->dev.parent = parent;
+	bridge->dev.release = pci_release_bus_bridge_dev;
+	dev_set_name(&bridge->dev, "pci%04x:%02x", pci_domain_nr(b), bus);
+	error = device_register(&bridge->dev);
 	if (error)
-		goto dev_reg_err;
-	b->bridge = get_device(dev);
+		goto bridge_dev_reg_err;
+	b->bridge = get_device(&bridge->dev);
 	device_enable_async_suspend(b->bridge);
 	pci_set_bus_of_node(b);
 
@@ -1625,9 +1639,6 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
 
 	b->number = b->secondary = bus;
 
-	bridge->bus = b;
-	INIT_LIST_HEAD(&bridge->windows);
-
 	if (parent)
 		dev_info(parent, "PCI host bridge to bus %s\n", dev_name(&b->dev));
 	else
@@ -1653,25 +1664,18 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
 	}
 
 	down_write(&pci_bus_sem);
-	add_to_pci_host_bridges(bridge);
 	list_add_tail(&b->node, &pci_root_buses);
 	up_write(&pci_bus_sem);
 
 	return b;
 
 class_dev_reg_err:
-	device_unregister(dev);
-dev_reg_err:
-	down_write(&pci_bus_sem);
-	list_del(&bridge->list);
-	list_del(&b->node);
-	up_write(&pci_bus_sem);
+	put_device(&bridge->dev);
+	device_unregister(&bridge->dev);
+bridge_dev_reg_err:
+	kfree(bridge);
 err_out:
-	kfree(dev);
-err_dev:
 	kfree(b);
-err_bus:
-	kfree(bridge);
 	return NULL;
 }
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index e444f5b491188566b8a7107182fd24584d92fea2..8f4f29d2b6068b903d436ae357c2885542e42d92 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -375,11 +375,13 @@ struct pci_host_bridge_window {
 };
 
 struct pci_host_bridge {
-	struct list_head list;
+	struct device dev;
 	struct pci_bus *bus;		/* root bus */
 	struct list_head windows;	/* pci_host_bridge_windows */
 };
 
+#define	to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev)
+
 /*
  * The first PCI_BRIDGE_RESOURCE_NUM PCI bus resources (those that correspond
  * to P2P or CardBus bridge windows) go in a table.  Additional ones (for