Merge branch 'next' into for-linus

Prepare first set of updates for 3.10 merge window.

49 files changed, 1391 insertions, 1108 deletions

diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 8d688b2..0c3efcf 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -4,7 +4,7 @@
 
 obj-y		+= access.o bus.o probe.o host-bridge.o remove.o pci.o \
 			pci-driver.o search.o pci-sysfs.o rom.o setup-res.o \
-			irq.o vpd.o
+			irq.o vpd.o setup-bus.o
 obj-$(CONFIG_PROC_FS) += proc.o
 obj-$(CONFIG_SYSFS) += slot.o
 
@@ -15,8 +15,6 @@ obj-$(CONFIG_PCIEPORTBUS) += pcie/
 
 obj-$(CONFIG_PCI_IOAPIC) += ioapic.o
 
-obj-$(CONFIG_HOTPLUG) += hotplug.o
-
 # Build the PCI Hotplug drivers if we were asked to
 obj-$(CONFIG_HOTPLUG_PCI) += hotplug/
 ifdef CONFIG_HOTPLUG_PCI
@@ -60,9 +58,6 @@ obj-$(CONFIG_ACPI)    += pci-acpi.o
 # SMBIOS provided firmware instance and labels
 obj-$(CONFIG_PCI_LABEL) += pci-label.o
 
-# Cardbus & CompactPCI use setup-bus
-obj-$(CONFIG_HOTPLUG) += setup-bus.o
-
 obj-$(CONFIG_PCI_SYSCALL) += syscall.o
 
 obj-$(CONFIG_PCI_STUB) += pci-stub.o
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 3af0478..1cc2366 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -472,7 +472,7 @@ EXPORT_SYMBOL_GPL(pci_cfg_access_unlock);
 
 static inline int pcie_cap_version(const struct pci_dev *dev)
 {
-	return dev->pcie_flags_reg & PCI_EXP_FLAGS_VERS;
+	return pcie_caps_reg(dev) & PCI_EXP_FLAGS_VERS;
 }
 
 static inline bool pcie_cap_has_devctl(const struct pci_dev *dev)
@@ -497,7 +497,7 @@ static inline bool pcie_cap_has_sltctl(const struct pci_dev *dev)
 	return pcie_cap_version(dev) > 1 ||
 	       type == PCI_EXP_TYPE_ROOT_PORT ||
 	       (type == PCI_EXP_TYPE_DOWNSTREAM &&
-		dev->pcie_flags_reg & PCI_EXP_FLAGS_SLOT);
+		pcie_caps_reg(dev) & PCI_EXP_FLAGS_SLOT);
 }
 
 static inline bool pcie_cap_has_rtctl(const struct pci_dev *dev)
@@ -515,7 +515,7 @@ static bool pcie_capability_reg_implemented(struct pci_dev *dev, int pos)
 		return false;
 
 	switch (pos) {
-	case PCI_EXP_FLAGS_TYPE:
+	case PCI_EXP_FLAGS:
 		return true;
 	case PCI_EXP_DEVCAP:
 	case PCI_EXP_DEVCTL:
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 6241fd0..8647dc6 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -158,64 +158,38 @@ pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
 	return ret;
 }
 
+void __weak pcibios_resource_survey_bus(struct pci_bus *bus) { }
+
 /**
- * pci_bus_add_device - add a single device
+ * pci_bus_add_device - start driver for a single device
  * @dev: device to add
  *
- * This adds a single pci device to the global
- * device list and adds sysfs and procfs entries
+ * This adds add sysfs entries and start device drivers
  */
 int pci_bus_add_device(struct pci_dev *dev)
 {
 	int retval;
 
-	pci_fixup_device(pci_fixup_final, dev);
-	retval = device_add(&dev->dev);
-	if (retval)
-		return retval;
-
-	dev->is_added = 1;
-	pci_proc_attach_device(dev);
+	/*
+	 * Can not put in pci_device_add yet because resources
+	 * are not assigned yet for some devices.
+	 */
 	pci_create_sysfs_dev_files(dev);
-	return 0;
-}
-
-/**
- * pci_bus_add_child - add a child bus
- * @bus: bus to add
- *
- * This adds sysfs entries for a single bus
- */
-int pci_bus_add_child(struct pci_bus *bus)
-{
-	int retval;
-
-	if (bus->bridge)
-		bus->dev.parent = bus->bridge;
-
-	retval = device_register(&bus->dev);
-	if (retval)
-		return retval;
 
-	bus->is_added = 1;
+	dev->match_driver = true;
+	retval = device_attach(&dev->dev);
+	WARN_ON(retval < 0);
 
-	/* Create legacy_io and legacy_mem files for this bus */
-	pci_create_legacy_files(bus);
+	dev->is_added = 1;
 
-	return retval;
+	return 0;
 }
 
 /**
- * pci_bus_add_devices - insert newly discovered PCI devices
+ * pci_bus_add_devices - start driver for PCI devices
  * @bus: bus to check for new devices
  *
- * Add newly discovered PCI devices (which are on the bus->devices
- * list) to the global PCI device list, add the sysfs and procfs
- * entries.  Where a bridge is found, add the discovered bus to
- * the parents list of child buses, and recurse (breadth-first
- * to be compatible with 2.4)
- *
- * Call hotplug for each new devices.
+ * Start driver for PCI devices and add some sysfs entries.
  */
 void pci_bus_add_devices(const struct pci_bus *bus)
 {
@@ -228,36 +202,20 @@ void pci_bus_add_devices(const struct pci_bus *bus)
 		if (dev->is_added)
 			continue;
 		retval = pci_bus_add_device(dev);
-		if (retval)
-			dev_err(&dev->dev, "Error adding device, continuing\n");
 	}
 
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		BUG_ON(!dev->is_added);
 
 		child = dev->subordinate;
-		/*
-		 * If there is an unattached subordinate bus, attach
-		 * it and then scan for unattached PCI devices.
-		 */
+
 		if (!child)
 			continue;
-		if (list_empty(&child->node)) {
-			down_write(&pci_bus_sem);
-			list_add_tail(&child->node, &dev->bus->children);
-			up_write(&pci_bus_sem);
-		}
 		pci_bus_add_devices(child);
 
-		/*
-		 * register the bus with sysfs as the parent is now
-		 * properly registered.
-		 */
 		if (child->is_added)
 			continue;
-		retval = pci_bus_add_child(child);
-		if (retval)
-			dev_err(&dev->dev, "Error adding bus, continuing\n");
+		child->is_added = 1;
 	}
 }
 
@@ -320,10 +278,7 @@ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
 		} else
 			next = dev->bus_list.next;
 
-		/* Run device routines with the device locked */
-		device_lock(&dev->dev);
 		retval = cb(dev, userdata);
-		device_unlock(&dev->dev);
 		if (retval)
 			break;
 	}
diff --git a/drivers/pci/hotplug.c b/drivers/pci/hotplug.c
deleted file mode 100644
index 2b5352a..0000000
--- a/drivers/pci/hotplug.c
+++ /dev/null
@@ -1,37 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/module.h>
-#include "pci.h"
-
-int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
-{
-	struct pci_dev *pdev;
-
-	if (!dev)
-		return -ENODEV;
-
-	pdev = to_pci_dev(dev);
-	if (!pdev)
-		return -ENODEV;
-
-	if (add_uevent_var(env, "PCI_CLASS=%04X", pdev->class))
-		return -ENOMEM;
-
-	if (add_uevent_var(env, "PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
-		return -ENOMEM;
-
-	if (add_uevent_var(env, "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
-			   pdev->subsystem_device))
-		return -ENOMEM;
-
-	if (add_uevent_var(env, "PCI_SLOT_NAME=%s", pci_name(pdev)))
-		return -ENOMEM;
-
-	if (add_uevent_var(env, "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
-			   pdev->vendor, pdev->device,
-			   pdev->subsystem_vendor, pdev->subsystem_device,
-			   (u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
-			   (u8)(pdev->class)))
-		return -ENOMEM;
-	return 0;
-}
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index b0e46de..13e9e63 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -151,4 +151,15 @@ config HOTPLUG_PCI_SGI
 
 	  When in doubt, say N.
 
+config HOTPLUG_PCI_S390
+	tristate "System z PCI Hotplug Support"
+	depends on S390 && 64BIT
+	help
+	  Say Y here if you want to use the System z PCI Hotplug
+	  driver for PCI devices. Without this driver it is not
+	  possible to access stand-by PCI functions nor to deconfigure
+	  PCI functions.
+
+	  When in doubt, say Y.
+
 endif # HOTPLUG_PCI
diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile
index c459cd4..47ec8c8 100644
--- a/drivers/pci/hotplug/Makefile
+++ b/drivers/pci/hotplug/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_HOTPLUG_PCI_RPA)		+= rpaphp.o
 obj-$(CONFIG_HOTPLUG_PCI_RPA_DLPAR)	+= rpadlpar_io.o
 obj-$(CONFIG_HOTPLUG_PCI_SGI)		+= sgi_hotplug.o
 obj-$(CONFIG_HOTPLUG_PCI_ACPI)		+= acpiphp.o
+obj-$(CONFIG_HOTPLUG_PCI_S390)		+= s390_pci_hpc.o
 
 # acpiphp_ibm extends acpiphp, so should be linked afterwards.
 
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index a1afb5b..b70ac00 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -79,7 +79,6 @@ struct acpiphp_bridge {
 	/* Ejectable PCI-to-PCI bridge (PCI bridge and PCI function) */
 	struct acpiphp_func *func;
 
-	int type;
 	int nr_slots;
 
 	u32 flags;
@@ -146,10 +145,6 @@ struct acpiphp_attention_info
 /* PCI bus bridge HID */
 #define ACPI_PCI_HOST_HID		"PNP0A03"
 
-/* PCI BRIDGE type */
-#define BRIDGE_TYPE_HOST		0
-#define BRIDGE_TYPE_P2P			1
-
 /* ACPI _STA method value (ignore bit 4; battery present) */
 #define ACPI_STA_PRESENT		(0x00000001)
 #define ACPI_STA_ENABLED		(0x00000002)
@@ -158,13 +153,7 @@ struct acpiphp_attention_info
 #define ACPI_STA_ALL			(0x0000000f)
 
 /* bridge flags */
-#define BRIDGE_HAS_STA		(0x00000001)
-#define BRIDGE_HAS_EJ0		(0x00000002)
-#define BRIDGE_HAS_HPP		(0x00000004)
-#define BRIDGE_HAS_PS0		(0x00000010)
-#define BRIDGE_HAS_PS1		(0x00000020)
-#define BRIDGE_HAS_PS2		(0x00000040)
-#define BRIDGE_HAS_PS3		(0x00000080)
+#define BRIDGE_HAS_EJ0		(0x00000001)
 
 /* slot flags */
 
@@ -193,7 +182,6 @@ extern void acpiphp_unregister_hotplug_slot(struct acpiphp_slot *slot);
 /* acpiphp_glue.c */
 extern int acpiphp_glue_init (void);
 extern void acpiphp_glue_exit (void);
-extern int acpiphp_get_num_slots (void);
 typedef int (*acpiphp_callback)(struct acpiphp_slot *slot, void *data);
 
 extern int acpiphp_enable_slot (struct acpiphp_slot *slot);
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index 96316b7..c2fd309 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -50,7 +50,6 @@
 bool acpiphp_debug;
 
 /* local variables */
-static int num_slots;
 static struct acpiphp_attention_info *attention_info;
 
 #define DRIVER_VERSION	"0.5"
@@ -272,25 +271,6 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	return 0;
 }
 
-static int __init init_acpi(void)
-{
-	int retval;
-
-	/* initialize internal data structure etc. */
-	retval = acpiphp_glue_init();
-
-	/* read initial number of slots */
-	if (!retval) {
-		num_slots = acpiphp_get_num_slots();
-		if (num_slots == 0) {
-			acpiphp_glue_exit();
-			retval = -ENODEV;
-		}
-	}
-
-	return retval;
-}
-
 /**
  * release_slot - free up the memory used by a slot
  * @hotplug_slot: slot to free
@@ -379,7 +359,8 @@ static int __init acpiphp_init(void)
 		return 0;
 
 	/* read all the ACPI info from the system */
-	return init_acpi();
+	/* initialize internal data structure etc. */
+	return acpiphp_glue_init();
 }
 
 
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 3d6d4fd..270fdba 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -325,8 +325,8 @@ static void init_bridge_misc(struct acpiphp_bridge *bridge)
 		return;
 	}
 
-	/* install notify handler */
-	if (bridge->type != BRIDGE_TYPE_HOST) {
+	/* install notify handler for P2P bridges */
+	if (!pci_is_root_bus(bridge->pci_bus)) {
 		if ((bridge->flags & BRIDGE_HAS_EJ0) && bridge->func) {
 			status = acpi_remove_notify_handler(bridge->func->handle,
 						ACPI_SYSTEM_NOTIFY,
@@ -369,27 +369,12 @@ static struct acpiphp_func *acpiphp_bridge_handle_to_function(acpi_handle handle
 static inline void config_p2p_bridge_flags(struct acpiphp_bridge *bridge)
 {
 	acpi_handle dummy_handle;
+	struct acpiphp_func *func;
 
 	if (ACPI_SUCCESS(acpi_get_handle(bridge->handle,
-					"_STA", &dummy_handle)))
-		bridge->flags |= BRIDGE_HAS_STA;
-
-	if (ACPI_SUCCESS(acpi_get_handle(bridge->handle,
-					"_EJ0", &dummy_handle)))
+					"_EJ0", &dummy_handle))) {
 		bridge->flags |= BRIDGE_HAS_EJ0;
 
-	if (ACPI_SUCCESS(acpi_get_handle(bridge->handle,
-					"_PS0", &dummy_handle)))
-		bridge->flags |= BRIDGE_HAS_PS0;
-
-	if (ACPI_SUCCESS(acpi_get_handle(bridge->handle,
-					"_PS3", &dummy_handle)))
-		bridge->flags |= BRIDGE_HAS_PS3;
-
-	/* is this ejectable p2p bridge? */
-	if (bridge->flags & BRIDGE_HAS_EJ0) {
-		struct acpiphp_func *func;
-
 		dbg("found ejectable p2p bridge\n");
 
 		/* make link between PCI bridge and PCI function */
@@ -412,7 +397,6 @@ static void add_host_bridge(struct acpi_pci_root *root)
 	if (bridge == NULL)
 		return;
 
-	bridge->type = BRIDGE_TYPE_HOST;
 	bridge->handle = handle;
 
 	bridge->pci_bus = root->bus;
@@ -432,7 +416,6 @@ static void add_p2p_bridge(acpi_handle *handle)
 		return;
 	}
 
-	bridge->type = BRIDGE_TYPE_P2P;
 	bridge->handle = handle;
 	config_p2p_bridge_flags(bridge);
 
@@ -543,13 +526,15 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge)
 	acpi_status status;
 	acpi_handle handle = bridge->handle;
 
-	status = acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
+	if (!pci_is_root_bus(bridge->pci_bus)) {
+		status = acpi_remove_notify_handler(handle,
+					    ACPI_SYSTEM_NOTIFY,
 					    handle_hotplug_event_bridge);
-	if (ACPI_FAILURE(status))
-		err("failed to remove notify handler\n");
+		if (ACPI_FAILURE(status))
+			err("failed to remove notify handler\n");
+	}
 
-	if ((bridge->type != BRIDGE_TYPE_HOST) &&
-	    ((bridge->flags & BRIDGE_HAS_EJ0) && bridge->func)) {
+	if ((bridge->flags & BRIDGE_HAS_EJ0) && bridge->func) {
 		status = acpi_install_notify_handler(bridge->func->handle,
 						ACPI_SYSTEM_NOTIFY,
 						handle_hotplug_event_func,
@@ -630,9 +615,6 @@ static void remove_bridge(struct acpi_pci_root *root)
 	bridge = acpiphp_handle_to_bridge(handle);
 	if (bridge)
 		cleanup_bridge(bridge);
-	else
-		acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
-					   handle_hotplug_event_bridge);
 }
 
 static int power_on_slot(struct acpiphp_slot *slot)
@@ -734,34 +716,24 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
  */
 static int acpiphp_bus_add(struct acpiphp_func *func)
 {
-	acpi_handle phandle;
-	struct acpi_device *device, *pdevice;
+	struct acpi_device *device;
 	int ret_val;
 
-	acpi_get_parent(func->handle, &phandle);
-	if (acpi_bus_get_device(phandle, &pdevice)) {
-		dbg("no parent device, assuming NULL\n");
-		pdevice = NULL;
-	}
 	if (!acpi_bus_get_device(func->handle, &device)) {
 		dbg("bus exists... trim\n");
 		/* this shouldn't be in here, so remove
 		 * the bus then re-add it...
 		 */
-		ret_val = acpi_bus_trim(device, 1);
-		dbg("acpi_bus_trim return %x\n", ret_val);
+		acpi_bus_trim(device);
 	}
 
-	ret_val = acpi_bus_add(&device, pdevice, func->handle,
-		ACPI_BUS_TYPE_DEVICE);
-	if (ret_val) {
-		dbg("error adding bus, %x\n",
-			-ret_val);
-		goto acpiphp_bus_add_out;
-	}
-	ret_val = acpi_bus_start(device);
+	ret_val = acpi_bus_scan(func->handle);
+	if (!ret_val)
+		ret_val = acpi_bus_get_device(func->handle, &device);
+
+	if (ret_val)
+		dbg("error adding bus, %x\n", -ret_val);
 
-acpiphp_bus_add_out:
 	return ret_val;
 }
 
@@ -781,11 +753,8 @@ static int acpiphp_bus_trim(acpi_handle handle)
 		return retval;
 	}
 
-	retval = acpi_bus_trim(device, 1);
-	if (retval)
-		err("cannot remove from acpi list\n");
-
-	return retval;
+	acpi_bus_trim(device);
+	return 0;
 }
 
 static void acpiphp_set_acpi_region(struct acpiphp_slot *slot)
@@ -806,6 +775,29 @@ static void acpiphp_set_acpi_region(struct acpiphp_slot *slot)
 	}
 }
 
+static void check_hotplug_bridge(struct acpiphp_slot *slot, struct pci_dev *dev)
+{
+	struct acpiphp_func *func;
+
+	if (!dev->subordinate)
+		return;
+
+	/* quirk, or pcie could set it already */
+	if (dev->is_hotplug_bridge)
+		return;
+
+	if (PCI_SLOT(dev->devfn) != slot->device)
+		return;
+
+	list_for_each_entry(func, &slot->funcs, sibling) {
+		if (PCI_FUNC(dev->devfn) == func->function) {
+			/* check if this bridge has ejectable slots */
+			if ((detect_ejectable_slots(func->handle) > 0))
+				dev->is_hotplug_bridge = 1;
+			break;
+		}
+	}
+}
 /**
  * enable_device - enable, configure a slot
  * @slot: slot to be enabled
@@ -825,6 +817,9 @@ static int __ref enable_device(struct acpiphp_slot *slot)
 	if (slot->flags & SLOT_ENABLED)
 		goto err_exit;
 
+	list_for_each_entry(func, &slot->funcs, sibling)
+		acpiphp_bus_add(func);
+
 	num = pci_scan_slot(bus, PCI_DEVFN(slot->device, 0));
 	if (num == 0) {
 		/* Maybe only part of funcs are added. */
@@ -840,15 +835,14 @@ static int __ref enable_device(struct acpiphp_slot *slot)
 			if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE ||
 			    dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) {
 				max = pci_scan_bridge(bus, dev, max, pass);
-				if (pass && dev->subordinate)
+				if (pass && dev->subordinate) {
+					check_hotplug_bridge(slot, dev);
 					pci_bus_size_bridges(dev->subordinate);
+				}
 			}
 		}
 	}
 
-	list_for_each_entry(func, &slot->funcs, sibling)
-		acpiphp_bus_add(func);
-
 	pci_bus_assign_resources(bus);
 	acpiphp_sanitize_bus(bus);
 	acpiphp_set_hpp_values(bus);
@@ -1106,73 +1100,11 @@ static void acpiphp_sanitize_bus(struct pci_bus *bus)
 	}
 }
 
-/* Program resources in newly inserted bridge */
-static int acpiphp_configure_bridge (acpi_handle handle)
-{
-	struct pci_bus *bus;
-
-	if (acpi_is_root_bridge(handle)) {
-		struct acpi_pci_root *root = acpi_pci_find_root(handle);
-		bus = root->bus;
-	} else {
-		struct pci_dev *pdev = acpi_get_pci_dev(handle);
-		bus = pdev->subordinate;
-		pci_dev_put(pdev);
-	}
-
-	pci_bus_size_bridges(bus);
-	pci_bus_assign_resources(bus);
-	acpiphp_sanitize_bus(bus);
-	acpiphp_set_hpp_values(bus);
-	pci_enable_bridges(bus);
-	return 0;
-}
-
-static void handle_bridge_insertion(acpi_handle handle, u32 type)
-{
-	struct acpi_device *device, *pdevice;
-	acpi_handle phandle;
-
-	if ((type != ACPI_NOTIFY_BUS_CHECK) &&
-			(type != ACPI_NOTIFY_DEVICE_CHECK)) {
-		err("unexpected notification type %d\n", type);
-		return;
-	}
-
-	acpi_get_parent(handle, &phandle);
-	if (acpi_bus_get_device(phandle, &pdevice)) {
-		dbg("no parent device, assuming NULL\n");
-		pdevice = NULL;
-	}
-	if (acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE)) {
-		err("cannot add bridge to acpi list\n");
-		return;
-	}
-	if (!acpiphp_configure_bridge(handle) &&
-		!acpi_bus_start(device))
-		add_bridge(handle);
-	else
-		err("cannot configure and start bridge\n");
-
-}
-
 /*
  * ACPI event handlers
  */
 
 static acpi_status
-count_sub_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
-	int *count = (int *)context;
-	struct acpiphp_bridge *bridge;
-
-	bridge = acpiphp_handle_to_bridge(handle);
-	if (bridge)
-		(*count)++;
-	return AE_OK ;
-}
-
-static acpi_status
 check_sub_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
 	struct acpiphp_bridge *bridge;
@@ -1190,66 +1122,22 @@ check_sub_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
 	return AE_OK ;
 }
 
-struct acpiphp_hp_work {
-	struct work_struct work;
-	acpi_handle handle;
-	u32 type;
-	void *context;
-};
-
-static void alloc_acpiphp_hp_work(acpi_handle handle, u32 type,
-				  void *context,
-				  void (*func)(struct work_struct *work))
-{
-	struct acpiphp_hp_work *hp_work;
-	int ret;
-
-	hp_work = kmalloc(sizeof(*hp_work), GFP_KERNEL);
-	if (!hp_work)
-		return;
-
-	hp_work->handle = handle;
-	hp_work->type = type;
-	hp_work->context = context;
-
-	INIT_WORK(&hp_work->work, func);
-	ret = queue_work(kacpi_hotplug_wq, &hp_work->work);
-	if (!ret)
-		kfree(hp_work);
-}
-
 static void _handle_hotplug_event_bridge(struct work_struct *work)
 {
 	struct acpiphp_bridge *bridge;
 	char objname[64];
 	struct acpi_buffer buffer = { .length = sizeof(objname),
 				      .pointer = objname };
-	struct acpi_device *device;
-	int num_sub_bridges = 0;
-	struct acpiphp_hp_work *hp_work;
+	struct acpi_hp_work *hp_work;
 	acpi_handle handle;
 	u32 type;
 
-	hp_work = container_of(work, struct acpiphp_hp_work, work);
+	hp_work = container_of(work, struct acpi_hp_work, work);
 	handle = hp_work->handle;
 	type = hp_work->type;
+	bridge = (struct acpiphp_bridge *)hp_work->context;
 
-	if (acpi_bus_get_device(handle, &device)) {
-		/* This bridge must have just been physically inserted */
-		handle_bridge_insertion(handle, type);
-		goto out;
-	}
-
-	bridge = acpiphp_handle_to_bridge(handle);
-	if (type == ACPI_NOTIFY_BUS_CHECK) {
-		acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, ACPI_UINT32_MAX,
-			count_sub_bridges, NULL, &num_sub_bridges, NULL);
-	}
-
-	if (!bridge && !num_sub_bridges) {
-		err("cannot get bridge info\n");
-		goto out;
-	}
+	acpi_scan_lock_acquire();
 
 	acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
 
@@ -1257,14 +1145,10 @@ static void _handle_hotplug_event_bridge(struct work_struct *work)
 	case ACPI_NOTIFY_BUS_CHECK:
 		/* bus re-enumerate */
 		dbg("%s: Bus check notify on %s\n", __func__, objname);
-		if (bridge) {
-			dbg("%s: re-enumerating slots under %s\n",
-				__func__, objname);
-			acpiphp_check_bridge(bridge);
-		}
-		if (num_sub_bridges)
-			acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
-				ACPI_UINT32_MAX, check_sub_bridges, NULL, NULL, NULL);
+		dbg("%s: re-enumerating slots under %s\n", __func__, objname);
+		acpiphp_check_bridge(bridge);
+		acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
+			ACPI_UINT32_MAX, check_sub_bridges, NULL, NULL, NULL);
 		break;
 
 	case ACPI_NOTIFY_DEVICE_CHECK:
@@ -1281,8 +1165,7 @@ static void _handle_hotplug_event_bridge(struct work_struct *work)
 	case ACPI_NOTIFY_EJECT_REQUEST:
 		/* request device eject */
 		dbg("%s: Device eject notify on %s\n", __func__, objname);
-		if ((bridge->type != BRIDGE_TYPE_HOST) &&
-		    (bridge->flags & BRIDGE_HAS_EJ0)) {
+		if ((bridge->flags & BRIDGE_HAS_EJ0) && bridge->func) {
 			struct acpiphp_slot *slot;
 			slot = bridge->func->slot;
 			if (!acpiphp_disable_slot(slot))
@@ -1310,7 +1193,7 @@ static void _handle_hotplug_event_bridge(struct work_struct *work)
 		break;
 	}
 
-out:
+	acpi_scan_lock_release();
 	kfree(hp_work); /* allocated in handle_hotplug_event_bridge */
 }
 
@@ -1333,8 +1216,7 @@ static void handle_hotplug_event_bridge(acpi_handle handle, u32 type,
 	 * For now just re-add this work to the kacpi_hotplug_wq so we
 	 * don't deadlock on hotplug actions.
 	 */
-	alloc_acpiphp_hp_work(handle, type, context,
-			      _handle_hotplug_event_bridge);
+	alloc_acpi_hp_work(handle, type, context, _handle_hotplug_event_bridge);
 }
 
 static void _handle_hotplug_event_func(struct work_struct *work)
@@ -1343,19 +1225,18 @@ static void _handle_hotplug_event_func(struct work_struct *work)
 	char objname[64];
 	struct acpi_buffer buffer = { .length = sizeof(objname),
 				      .pointer = objname };
-	struct acpiphp_hp_work *hp_work;
+	struct acpi_hp_work *hp_work;
 	acpi_handle handle;
 	u32 type;
-	void *context;
 
-	hp_work = container_of(work, struct acpiphp_hp_work, work);
+	hp_work = container_of(work, struct acpi_hp_work, work);
 	handle = hp_work->handle;
 	type = hp_work->type;
-	context = hp_work->context;
+	func = (struct acpiphp_func *)hp_work->context;
 
-	acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
+	acpi_scan_lock_acquire();
 
-	func = (struct acpiphp_func *)context;
+	acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
 
 	switch (type) {
 	case ACPI_NOTIFY_BUS_CHECK:
@@ -1387,6 +1268,7 @@ static void _handle_hotplug_event_func(struct work_struct *work)
 		break;
 	}
 
+	acpi_scan_lock_release();
 	kfree(hp_work); /* allocated in handle_hotplug_event_func */
 }
 
@@ -1409,23 +1291,7 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type,
 	 * For now just re-add this work to the kacpi_hotplug_wq so we
 	 * don't deadlock on hotplug actions.
 	 */
-	alloc_acpiphp_hp_work(handle, type, context,
-			      _handle_hotplug_event_func);
-}
-
-static acpi_status
-find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
-	int *count = (int *)context;
-
-	if (!acpi_is_root_bridge(handle))
-		return AE_OK;
-
-	(*count)++;
-	acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
-				    handle_hotplug_event_bridge, NULL);
-
-	return AE_OK ;
+	alloc_acpi_hp_work(handle, type, context, _handle_hotplug_event_func);
 }
 
 static struct acpi_pci_driver acpi_pci_hp_driver = {
@@ -1438,15 +1304,7 @@ static struct acpi_pci_driver acpi_pci_hp_driver = {
  */
 int __init acpiphp_glue_init(void)
 {
-	int num = 0;
-
-	acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
-			ACPI_UINT32_MAX, find_root_bridges, NULL, &num, NULL);
-
-	if (num <= 0)
-		return -1;
-	else
-		acpi_pci_register_driver(&acpi_pci_hp_driver);
+	acpi_pci_register_driver(&acpi_pci_hp_driver);
 
 	return 0;
 }
@@ -1462,28 +1320,6 @@ void  acpiphp_glue_exit(void)
 	acpi_pci_unregister_driver(&acpi_pci_hp_driver);
 }
 
-
-/**
- * acpiphp_get_num_slots - count number of slots in a system
- */
-int __init acpiphp_get_num_slots(void)
-{
-	struct acpiphp_bridge *bridge;
-	int num_slots = 0;
-
-	list_for_each_entry(bridge, &bridge_list, list) {
-		dbg("Bus %04x:%02x has %d slot%s\n",
-				pci_domain_nr(bridge->pci_bus),
-				bridge->pci_bus->number, bridge->nr_slots,
-				bridge->nr_slots == 1 ? "" : "s");
-		num_slots += bridge->nr_slots;
-	}
-
-	dbg("Total %d slots\n", num_slots);
-	return num_slots;
-}
-
-
 /**
  * acpiphp_enable_slot - power on slot
  * @slot: ACPI PHP slot
diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c
index dcc75c7..d8add34 100644
--- a/drivers/pci/hotplug/cpci_hotplug_pci.c
+++ b/drivers/pci/hotplug/cpci_hotplug_pci.c
@@ -252,8 +252,8 @@ int cpci_led_off(struct slot* slot)
 
 int __ref cpci_configure_slot(struct slot *slot)
 {
+	struct pci_dev *dev;
 	struct pci_bus *parent;
-	int fn;
 
 	dbg("%s - enter", __func__);
 
@@ -282,18 +282,13 @@ int __ref cpci_configure_slot(struct slot *slot)
 	}
 	parent = slot->dev->bus;
 
-	for (fn = 0; fn < 8; fn++) {
-		struct pci_dev *dev;
-
-		dev = pci_get_slot(parent,
-				   PCI_DEVFN(PCI_SLOT(slot->devfn), fn));
-		if (!dev)
+	list_for_each_entry(dev, &parent->devices, bus_list)
+		if (PCI_SLOT(dev->devfn) != PCI_SLOT(slot->devfn))
 			continue;
 		if ((dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) ||
 		    (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS))
 			pci_hp_add_bridge(dev);
-		pci_dev_put(dev);
-	}
+
 
 	pci_assign_unassigned_bridge_resources(parent->self);
 
@@ -305,8 +300,7 @@ int __ref cpci_configure_slot(struct slot *slot)
 
 int cpci_unconfigure_slot(struct slot* slot)
 {
-	int i;
-	struct pci_dev *dev;
+	struct pci_dev *dev, *temp;
 
 	dbg("%s - enter", __func__);
 	if (!slot->dev) {
@@ -314,13 +308,12 @@ int cpci_unconfigure_slot(struct slot* slot)
 		return -ENODEV;
 	}
 
-	for (i = 0; i < 8; i++) {
-		dev = pci_get_slot(slot->bus,
-				    PCI_DEVFN(PCI_SLOT(slot->devfn), i));
-		if (dev) {
-			pci_stop_and_remove_bus_device(dev);
-			pci_dev_put(dev);
-		}
+	list_for_each_entry_safe(dev, temp, &slot->bus->devices, bus_list) {
+		if (PCI_SLOT(dev->devfn) != PCI_SLOT(slot->devfn))
+			continue;
+		pci_dev_get(dev);
+		pci_stop_and_remove_bus_device(dev);
+		pci_dev_put(dev);
 	}
 	pci_dev_put(slot->dev);
 	slot->dev = NULL;
diff --git a/drivers/pci/hotplug/cpcihp_zt5550.c b/drivers/pci/hotplug/cpcihp_zt5550.c
index 6bf8d2a..449b4bb 100644
--- a/drivers/pci/hotplug/cpcihp_zt5550.c
+++ b/drivers/pci/hotplug/cpcihp_zt5550.c
@@ -271,7 +271,7 @@ init_hc_error:
 
 }
 
-static void __devexit zt5550_hc_remove_one(struct pci_dev *pdev)
+static void zt5550_hc_remove_one(struct pci_dev *pdev)
 {
 	cpci_hp_stop();
 	cpci_hp_unregister_bus(bus0);
@@ -290,7 +290,7 @@ static struct pci_driver zt5550_hc_driver = {
 	.name		= "zt5550_hc",
 	.id_table	= zt5550_hc_pci_tbl,
 	.probe		= zt5550_hc_init_one,
-	.remove		= __devexit_p(zt5550_hc_remove_one),
+	.remove		= zt5550_hc_remove_one,
 };
 
 static int __init zt5550_init(void)
diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c
index 36112fe..d282019 100644
--- a/drivers/pci/hotplug/cpqphp_ctrl.c
+++ b/drivers/pci/hotplug/cpqphp_ctrl.c
@@ -1900,8 +1900,7 @@ static void interrupt_event_handler(struct controller *ctrl)
 					dbg("power fault\n");
 				} else {
 					/* refresh notification */
-					if (p_slot)
-						update_slot_info(ctrl, p_slot);
+					update_slot_info(ctrl, p_slot);
 				}
 
 				ctrl->event_queue[loop].event_type = 0;
@@ -2520,44 +2519,28 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
 
 		/* If we have IO resources copy them and fill in the bridge's
 		 * IO range registers */
-		if (io_node) {
-			memcpy(hold_IO_node, io_node, sizeof(struct pci_resource));
-			io_node->next = NULL;
+		memcpy(hold_IO_node, io_node, sizeof(struct pci_resource));
+		io_node->next = NULL;
 
-			/* set IO base and Limit registers */
-			temp_byte = io_node->base >> 8;
-			rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_IO_BASE, temp_byte);
+		/* set IO base and Limit registers */
+		temp_byte = io_node->base >> 8;
+		rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_IO_BASE, temp_byte);
 
-			temp_byte = (io_node->base + io_node->length - 1) >> 8;
-			rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_IO_LIMIT, temp_byte);
-		} else {
-			kfree(hold_IO_node);
-			hold_IO_node = NULL;
-		}
-
-		/* If we have memory resources copy them and fill in the
-		 * bridge's memory range registers.  Otherwise, fill in the
-		 * range registers with values that disable them. */
-		if (mem_node) {
-			memcpy(hold_mem_node, mem_node, sizeof(struct pci_resource));
-			mem_node->next = NULL;
-
-			/* set Mem base and Limit registers */
-			temp_word = mem_node->base >> 16;
-			rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_BASE, temp_word);
+		temp_byte = (io_node->base + io_node->length - 1) >> 8;
+		rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_IO_LIMIT, temp_byte);
 
-			temp_word = (mem_node->base + mem_node->length - 1) >> 16;
-			rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_LIMIT, temp_word);
-		} else {
-			temp_word = 0xFFFF;
-			rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_BASE, temp_word);
+		/* Copy the memory resources and fill in the bridge's memory
+		 * range registers.
+		 */
+		memcpy(hold_mem_node, mem_node, sizeof(struct pci_resource));
+		mem_node->next = NULL;
 
-			temp_word = 0x0000;
-			rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_LIMIT, temp_word);
+		/* set Mem base and Limit registers */
+		temp_word = mem_node->base >> 16;
+		rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_BASE, temp_word);
 
-			kfree(hold_mem_node);
-			hold_mem_node = NULL;
-		}
+		temp_word = (mem_node->base + mem_node->length - 1) >> 16;
+		rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_LIMIT, temp_word);
 
 		memcpy(hold_p_mem_node, p_mem_node, sizeof(struct pci_resource));
 		p_mem_node->next = NULL;
@@ -2627,7 +2610,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
 		/* Return unused bus resources
 		 * First use the temporary node to store information for
 		 * the board */
-		if (hold_bus_node && bus_node && temp_resources.bus_head) {
+		if (bus_node && temp_resources.bus_head) {
 			hold_bus_node->length = bus_node->base - hold_bus_node->base;
 
 			hold_bus_node->next = func->bus_head;
@@ -2751,7 +2734,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
 		}
 		/* If we have prefetchable memory space available and there
 		 * is some left at the end, return the unused portion */
-		if (hold_p_mem_node && temp_resources.p_mem_head) {
+		if (temp_resources.p_mem_head) {
 			p_mem_node = do_pre_bridge_resource_split(&(temp_resources.p_mem_head),
 								  &hold_p_mem_node, 0x100000);
 
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 26ffd3e..2c113de 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -44,7 +44,6 @@ extern bool pciehp_poll_mode;
 extern int pciehp_poll_time;
 extern bool pciehp_debug;
 extern bool pciehp_force;
-extern struct workqueue_struct *pciehp_wq;
 
 #define dbg(format, arg...)						\
 do {									\
@@ -78,6 +77,7 @@ struct slot {
 	struct hotplug_slot *hotplug_slot;
 	struct delayed_work work;	/* work for button event */
 	struct mutex lock;
+	struct workqueue_struct *wq;
 };
 
 struct event_info {
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 916bf4f..7d72c5e 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -42,7 +42,6 @@ bool pciehp_debug;
 bool pciehp_poll_mode;
 int pciehp_poll_time;
 bool pciehp_force;
-struct workqueue_struct *pciehp_wq;
 
 #define DRIVER_VERSION	"0.4"
 #define DRIVER_AUTHOR	"Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
@@ -294,7 +293,6 @@ static void pciehp_remove(struct pcie_device *dev)
 #ifdef CONFIG_PM
 static int pciehp_suspend (struct pcie_device *dev)
 {
-	dev_info(&dev->device, "%s ENTRY\n", __func__);
 	return 0;
 }
 
@@ -304,7 +302,6 @@ static int pciehp_resume (struct pcie_device *dev)
 	struct slot *slot;
 	u8 status;
 
-	dev_info(&dev->device, "%s ENTRY\n", __func__);
 	ctrl = get_service_data(dev);
 
 	/* reinitialize the chipset's event detection logic */
@@ -340,18 +337,13 @@ static int __init pcied_init(void)
 {
 	int retval = 0;
 
-	pciehp_wq = alloc_workqueue("pciehp", 0, 0);
-	if (!pciehp_wq)
-		return -ENOMEM;
-
 	pciehp_firmware_init();
 	retval = pcie_port_service_register(&hpdriver_portdrv);
  	dbg("pcie_port_service_register = %d\n", retval);
   	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
- 	if (retval) {
-		destroy_workqueue(pciehp_wq);
+	if (retval)
 		dbg("Failure to register service\n");
-	}
+
 	return retval;
 }
 
@@ -359,7 +351,6 @@ static void __exit pcied_cleanup(void)
 {
 	dbg("unload_pciehpd()\n");
 	pcie_port_service_unregister(&hpdriver_portdrv);
-	destroy_workqueue(pciehp_wq);
 	info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
 }
 
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 27f4429..38f0186 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -49,7 +49,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
 	info->p_slot = p_slot;
 	INIT_WORK(&info->work, interrupt_event_handler);
 
-	queue_work(pciehp_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
 
 	return 0;
 }
@@ -344,7 +344,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work)
 		kfree(info);
 		goto out;
 	}
-	queue_work(pciehp_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
  out:
 	mutex_unlock(&p_slot->lock);
 }
@@ -377,7 +377,7 @@ static void handle_button_press_event(struct slot *p_slot)
 		if (ATTN_LED(ctrl))
 			pciehp_set_attention_status(p_slot, 0);
 
-		queue_delayed_work(pciehp_wq, &p_slot->work, 5*HZ);
+		queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
 		break;
 	case BLINKINGOFF_STATE:
 	case BLINKINGON_STATE:
@@ -439,7 +439,7 @@ static void handle_surprise_event(struct slot *p_slot)
 	else
 		p_slot->state = POWERON_STATE;
 
-	queue_work(pciehp_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
 }
 
 static void interrupt_event_handler(struct work_struct *work)
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 13b2eaf..5127f3f 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -773,23 +773,32 @@ static void pcie_shutdown_notification(struct controller *ctrl)
 static int pcie_init_slot(struct controller *ctrl)
 {
 	struct slot *slot;
+	char name[32];
 
 	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
 	if (!slot)
 		return -ENOMEM;
 
+	snprintf(name, sizeof(name), "pciehp-%u", PSN(ctrl));
+	slot->wq = alloc_workqueue(name, 0, 0);
+	if (!slot->wq)
+		goto abort;
+
 	slot->ctrl = ctrl;
 	mutex_init(&slot->lock);
 	INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work);
 	ctrl->slot = slot;
 	return 0;
+abort:
+	kfree(slot);
+	return -ENOMEM;
 }
 
 static void pcie_cleanup_slot(struct controller *ctrl)
 {
 	struct slot *slot = ctrl->slot;
 	cancel_delayed_work(&slot->work);
-	flush_workqueue(pciehp_wq);
+	destroy_workqueue(slot->wq);
 	kfree(slot);
 }
 
diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c
index 09cecaf..aac7a40 100644
--- a/drivers/pci/hotplug/pciehp_pci.c
+++ b/drivers/pci/hotplug/pciehp_pci.c
@@ -39,7 +39,7 @@ int pciehp_configure_device(struct slot *p_slot)
 	struct pci_dev *dev;
 	struct pci_dev *bridge = p_slot->ctrl->pcie->port;
 	struct pci_bus *parent = bridge->subordinate;
-	int num, fn;
+	int num;
 	struct controller *ctrl = p_slot->ctrl;
 
 	dev = pci_get_slot(parent, PCI_DEVFN(0, 0));
@@ -57,28 +57,18 @@ int pciehp_configure_device(struct slot *p_slot)
 		return -ENODEV;
 	}
 
-	for (fn = 0; fn < 8; fn++) {
-		dev = pci_get_slot(parent, PCI_DEVFN(0, fn));
-		if (!dev)
-			continue;
+	list_for_each_entry(dev, &parent->devices, bus_list)
 		if ((dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) ||
 				(dev->hdr_type == PCI_HEADER_TYPE_CARDBUS))
 			pci_hp_add_bridge(dev);
-		pci_dev_put(dev);
-	}
 
 	pci_assign_unassigned_bridge_resources(bridge);
 
-	for (fn = 0; fn < 8; fn++) {
-		dev = pci_get_slot(parent, PCI_DEVFN(0, fn));
-		if (!dev)
+	list_for_each_entry(dev, &parent->devices, bus_list) {
+		if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY)
 			continue;
-		if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
-			pci_dev_put(dev);
-			continue;
-		}
+
 		pci_configure_slot(dev);
-		pci_dev_put(dev);
 	}
 
 	pci_bus_add_devices(parent);
@@ -89,9 +79,9 @@ int pciehp_configure_device(struct slot *p_slot)
 int pciehp_unconfigure_device(struct slot *p_slot)
 {
 	int ret, rc = 0;
-	int j;
 	u8 bctl = 0;
 	u8 presence = 0;
+	struct pci_dev *dev, *temp;
 	struct pci_bus *parent = p_slot->ctrl->pcie->port->subordinate;
 	u16 command;
 	struct controller *ctrl = p_slot->ctrl;
@@ -102,33 +92,31 @@ int pciehp_unconfigure_device(struct slot *p_slot)
 	if (ret)
 		presence = 0;
 
-	for (j = 0; j < 8; j++) {
-		struct pci_dev *temp = pci_get_slot(parent, PCI_DEVFN(0, j));
-		if (!temp)
-			continue;
-		if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE && presence) {
-			pci_read_config_byte(temp, PCI_BRIDGE_CONTROL, &bctl);
+	list_for_each_entry_safe(dev, temp, &parent->devices, bus_list) {
+		pci_dev_get(dev);
+		if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE && presence) {
+			pci_read_config_byte(dev, PCI_BRIDGE_CONTROL, &bctl);
 			if (bctl & PCI_BRIDGE_CTL_VGA) {
 				ctrl_err(ctrl,
 					 "Cannot remove display device %s\n",
-					 pci_name(temp));
-				pci_dev_put(temp);
+					 pci_name(dev));
+				pci_dev_put(dev);
 				rc = -EINVAL;
 				break;
 			}
 		}
-		pci_stop_and_remove_bus_device(temp);
+		pci_stop_and_remove_bus_device(dev);
 		/*
 		 * Ensure that no new Requests will be generated from
 		 * the device.
 		 */
 		if (presence) {
-			pci_read_config_word(temp, PCI_COMMAND, &command);
+			pci_read_config_word(dev, PCI_COMMAND, &command);
 			command &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_SERR);
 			command |= PCI_COMMAND_INTX_DISABLE;
-			pci_write_config_word(temp, PCI_COMMAND, command);
+			pci_write_config_word(dev, PCI_COMMAND, command);
 		}
-		pci_dev_put(temp);
+		pci_dev_put(dev);
 	}
 
 	return rc;
diff --git a/drivers/pci/hotplug/s390_pci_hpc.c b/drivers/pci/hotplug/s390_pci_hpc.c
new file mode 100644
index 0000000..7db249a
--- /dev/null
+++ b/drivers/pci/hotplug/s390_pci_hpc.c
@@ -0,0 +1,244 @@
+/*
+ * PCI Hot Plug Controller Driver for System z
+ *
+ * Copyright 2012 IBM Corp.
+ *
+ * Author(s):
+ *   Jan Glauber <jang@linux.vnet.ibm.com>
+ */
+
+#define COMPONENT "zPCI hpc"
+#define pr_fmt(fmt) COMPONENT ": " fmt
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <linux/pci_hotplug.h>
+#include <linux/init.h>
+#include <asm/sclp.h>
+
+#define SLOT_NAME_SIZE	10
+static LIST_HEAD(s390_hotplug_slot_list);
+
+MODULE_AUTHOR("Jan Glauber <jang@linux.vnet.ibm.com");
+MODULE_DESCRIPTION("Hot Plug PCI Controller for System z");
+MODULE_LICENSE("GPL");
+
+static int zpci_fn_configured(enum zpci_state state)
+{
+	return state == ZPCI_FN_STATE_CONFIGURED ||
+	       state == ZPCI_FN_STATE_ONLINE;
+}
+
+/*
+ * struct slot - slot information for each *physical* slot
+ */
+struct slot {
+	struct list_head slot_list;
+	struct hotplug_slot *hotplug_slot;
+	struct zpci_dev *zdev;
+};
+
+static int enable_slot(struct hotplug_slot *hotplug_slot)
+{
+	struct slot *slot = hotplug_slot->private;
+	int rc;
+
+	if (slot->zdev->state != ZPCI_FN_STATE_STANDBY)
+		return -EIO;
+
+	rc = sclp_pci_configure(slot->zdev->fid);
+	if (!rc) {
+		slot->zdev->state = ZPCI_FN_STATE_CONFIGURED;
+		/* automatically scan the device after is was configured */
+		zpci_enable_device(slot->zdev);
+		zpci_scan_device(slot->zdev);
+	}
+	return rc;
+}
+
+static int disable_slot(struct hotplug_slot *hotplug_slot)
+{
+	struct slot *slot = hotplug_slot->private;
+	int rc;
+
+	if (!zpci_fn_configured(slot->zdev->state))
+		return -EIO;
+
+	/* TODO: we rely on the user to unbind/remove the device, is that plausible
+	 *	 or do we need to trigger that here?
+	 */
+	rc = sclp_pci_deconfigure(slot->zdev->fid);
+	if (!rc) {
+		/* Fixme: better call List-PCI to find the disabled FH
+		   for the FID since the FH should be opaque... */
+		slot->zdev->fh &= 0x7fffffff;
+		slot->zdev->state = ZPCI_FN_STATE_STANDBY;
+	}
+	return rc;
+}
+
+static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
+{
+	struct slot *slot = hotplug_slot->private;
+
+	switch (slot->zdev->state) {
+	case ZPCI_FN_STATE_STANDBY:
+		*value = 0;
+		break;
+	default:
+		*value = 1;
+		break;
+	}
+	return 0;
+}
+
+static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
+{
+	/* if the slot exits it always contains a function */
+	*value = 1;
+	return 0;
+}
+
+static void release_slot(struct hotplug_slot *hotplug_slot)
+{
+	struct slot *slot = hotplug_slot->private;
+
+	pr_debug("%s - physical_slot = %s\n", __func__, hotplug_slot_name(hotplug_slot));
+	kfree(slot->hotplug_slot->info);
+	kfree(slot->hotplug_slot);
+	kfree(slot);
+}
+
+static struct hotplug_slot_ops s390_hotplug_slot_ops = {
+	.enable_slot =		enable_slot,
+	.disable_slot =		disable_slot,
+	.get_power_status =	get_power_status,
+	.get_adapter_status =	get_adapter_status,
+};
+
+static int init_pci_slot(struct zpci_dev *zdev)
+{
+	struct hotplug_slot *hotplug_slot;
+	struct hotplug_slot_info *info;
+	char name[SLOT_NAME_SIZE];
+	struct slot *slot;
+	int rc;
+
+	if (!zdev)
+		return 0;
+
+	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
+	if (!slot)
+		goto error;
+
+	hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL);
+	if (!hotplug_slot)
+		goto error_hp;
+	hotplug_slot->private = slot;
+
+	slot->hotplug_slot = hotplug_slot;
+	slot->zdev = zdev;
+
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	if (!info)
+		goto error_info;
+	hotplug_slot->info = info;
+
+	hotplug_slot->ops = &s390_hotplug_slot_ops;
+	hotplug_slot->release = &release_slot;
+
+	get_power_status(hotplug_slot, &info->power_status);
+	get_adapter_status(hotplug_slot, &info->adapter_status);
+
+	snprintf(name, SLOT_NAME_SIZE, "%08x", zdev->fid);
+	rc = pci_hp_register(slot->hotplug_slot, zdev->bus,
+			     ZPCI_DEVFN, name);
+	if (rc) {
+		pr_err("pci_hp_register failed with error %d\n", rc);
+		goto error_reg;
+	}
+	list_add(&slot->slot_list, &s390_hotplug_slot_list);
+	return 0;
+
+error_reg:
+	kfree(info);
+error_info:
+	kfree(hotplug_slot);
+error_hp:
+	kfree(slot);
+error:
+	return -ENOMEM;
+}
+
+static void exit_pci_slot(struct zpci_dev *zdev)
+{
+	struct list_head *tmp, *n;
+	struct slot *slot;
+
+	list_for_each_safe(tmp, n, &s390_hotplug_slot_list) {
+		slot = list_entry(tmp, struct slot, slot_list);
+		if (slot->zdev != zdev)
+			continue;
+		list_del(&slot->slot_list);
+		pci_hp_deregister(slot->hotplug_slot);
+	}
+}
+
+static struct pci_hp_callback_ops hp_ops = {
+	.create_slot = init_pci_slot,
+	.remove_slot = exit_pci_slot,
+};
+
+static void __init init_pci_slots(void)
+{
+	struct zpci_dev *zdev;
+
+	/*
+	 * Create a structure for each slot, and register that slot
+	 * with the pci_hotplug subsystem.
+	 */
+	mutex_lock(&zpci_list_lock);
+	list_for_each_entry(zdev, &zpci_list, entry) {
+		init_pci_slot(zdev);
+	}
+	mutex_unlock(&zpci_list_lock);
+}
+
+static void __exit exit_pci_slots(void)
+{
+	struct list_head *tmp, *n;
+	struct slot *slot;
+
+	/*
+	 * Unregister all of our slots with the pci_hotplug subsystem.
+	 * Memory will be freed in release_slot() callback after slot's
+	 * lifespan is finished.
+	 */
+	list_for_each_safe(tmp, n, &s390_hotplug_slot_list) {
+		slot = list_entry(tmp, struct slot, slot_list);
+		list_del(&slot->slot_list);
+		pci_hp_deregister(slot->hotplug_slot);
+	}
+}
+
+static int __init pci_hotplug_s390_init(void)
+{
+	if (!s390_pci_probe)
+		return -EOPNOTSUPP;
+
+	zpci_register_hp_ops(&hp_ops);
+	init_pci_slots();
+
+	return 0;
+}
+
+static void __exit pci_hotplug_s390_exit(void)
+{
+	exit_pci_slots();
+	zpci_deregister_hp_ops();
+}
+
+module_init(pci_hotplug_s390_init);
+module_exit(pci_hotplug_s390_exit);
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index f64ca92..b2781df 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -334,7 +334,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 	struct slot *slot = bss_hotplug_slot->private;
 	struct pci_bus *new_bus = NULL;
 	struct pci_dev *dev;
-	int func, num_funcs;
+	int num_funcs;
 	int new_ppb = 0;
 	int rc;
 	char *ssdt = NULL;
@@ -381,29 +381,26 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 	 * to the Linux PCI interface and tell the drivers
 	 * about them.
 	 */
-	for (func = 0; func < num_funcs;  func++) {
-		dev = pci_get_slot(slot->pci_bus,
-				   PCI_DEVFN(slot->device_num + 1,
-					     PCI_FUNC(func)));
-		if (dev) {
-			/* Need to do slot fixup on PPB before fixup of children
-			 * (PPB's pcidev_info needs to be in pcidev_info list
-			 * before child's SN_PCIDEV_INFO() call to setup
-			 * pdi_host_pcidev_info).
-			 */
-			pcibios_fixup_device_resources(dev);
-			if (SN_ACPI_BASE_SUPPORT())
-				sn_acpi_slot_fixup(dev);
-			else
-				sn_io_slot_fixup(dev);
-			if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
-				pci_hp_add_bridge(dev);
-				if (dev->subordinate) {
-					new_bus = dev->subordinate;
-					new_ppb = 1;
-				}
+	list_for_each_entry(dev, &slot->pci_bus->devices, bus_list) {
+		if (PCI_SLOT(dev->devfn) != slot->device_num + 1)
+			continue;
+
+		/* Need to do slot fixup on PPB before fixup of children
+		 * (PPB's pcidev_info needs to be in pcidev_info list
+		 * before child's SN_PCIDEV_INFO() call to setup
+		 * pdi_host_pcidev_info).
+		 */
+		pcibios_fixup_device_resources(dev);
+		if (SN_ACPI_BASE_SUPPORT())
+			sn_acpi_slot_fixup(dev);
+		else
+			sn_io_slot_fixup(dev);
+		if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
+			pci_hp_add_bridge(dev);
+			if (dev->subordinate) {
+				new_bus = dev->subordinate;
+				new_ppb = 1;
 			}
-			pci_dev_put(dev);
 		}
 	}
 
@@ -412,7 +409,6 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 	if (SN_ACPI_BASE_SUPPORT() && ssdt) {
 		unsigned long long adr;
 		struct acpi_device *pdevice;
-		struct acpi_device *device;
 		acpi_handle phandle;
 		acpi_handle chandle = NULL;
 		acpi_handle rethandle;
@@ -426,6 +422,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 			pdevice = NULL;
 		}
 
+		acpi_scan_lock_acquire();
 		/*
 		 * Walk the rootbus node's immediate children looking for
 		 * the slot's device node(s). There can be more than
@@ -448,20 +445,18 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 			if (ACPI_SUCCESS(ret) &&
 			    (adr>>16) == (slot->device_num + 1)) {
 
-				ret = acpi_bus_add(&device, pdevice, chandle,
-						   ACPI_BUS_TYPE_DEVICE);
+				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),
 					       (int)(adr&0xffff));
 					/* try to continue on */
-				} else {
-					acpi_bus_start(device);
 				}
 			}
 		}
+		acpi_scan_lock_release();
 	}
 
 	/* Call the driver for the new device */
@@ -485,8 +480,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
 {
 	struct slot *slot = bss_hotplug_slot->private;
-	struct pci_dev *dev;
-	int func;
+	struct pci_dev *dev, *temp;
 	int rc;
 	acpi_owner_id ssdt_id = 0;
 
@@ -512,6 +506,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
 		/* Get the rootbus node pointer */
 		phandle = PCI_CONTROLLER(slot->pci_bus)->acpi_handle;
 
+		acpi_scan_lock_acquire();
 		/*
 		 * Walk the rootbus node's immediate children looking for
 		 * the slot's device node(s). There can be more than
@@ -539,22 +534,21 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
 				ret = acpi_bus_get_device(chandle,
 							  &device);
 				if (ACPI_SUCCESS(ret))
-					acpi_bus_trim(device, 1);
+					acpi_bus_trim(device);
 			}
 		}
-
+		acpi_scan_lock_release();
 	}
 
 	/* Free the SN resources assigned to the Linux device.*/
-	for (func = 0; func < 8;  func++) {
-		dev = pci_get_slot(slot->pci_bus,
-				   PCI_DEVFN(slot->device_num + 1,
-				   	     PCI_FUNC(func)));
-		if (dev) {
-			sn_bus_free_data(dev);
-			pci_stop_and_remove_bus_device(dev);
-			pci_dev_put(dev);
-		}
+	list_for_each_entry_safe(dev, temp, &slot->pci_bus->devices, bus_list) {
+		if (PCI_SLOT(dev->devfn) != slot->device_num + 1)
+			continue;
+
+		pci_dev_get(dev);
+		sn_bus_free_data(dev);
+		pci_stop_and_remove_bus_device(dev);
+		pci_dev_put(dev);
 	}
 
 	/* Remove the SSDT for the slot from the ACPI namespace */
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index ca64932..b849f995 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -46,8 +46,6 @@
 extern bool shpchp_poll_mode;
 extern int shpchp_poll_time;
 extern bool shpchp_debug;
-extern struct workqueue_struct *shpchp_wq;
-extern struct workqueue_struct *shpchp_ordered_wq;
 
 #define dbg(format, arg...)						\
 do {									\
@@ -91,6 +89,7 @@ struct slot {
 	struct list_head	slot_list;
 	struct delayed_work work;	/* work for button event */
 	struct mutex lock;
+	struct workqueue_struct *wq;
 	u8 hp_slot;
 };
 
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index b6de307..3100c52 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -39,8 +39,6 @@
 bool shpchp_debug;
 bool shpchp_poll_mode;
 int shpchp_poll_time;
-struct workqueue_struct *shpchp_wq;
-struct workqueue_struct *shpchp_ordered_wq;
 
 #define DRIVER_VERSION	"0.4"
 #define DRIVER_AUTHOR	"Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
@@ -129,6 +127,14 @@ static int init_slots(struct controller *ctrl)
 		slot->device = ctrl->slot_device_offset + i;
 		slot->hpc_ops = ctrl->hpc_ops;
 		slot->number = ctrl->first_slot + (ctrl->slot_num_inc * i);
+
+		snprintf(name, sizeof(name), "shpchp-%d", slot->number);
+		slot->wq = alloc_workqueue(name, 0, 0);
+		if (!slot->wq) {
+			retval = -ENOMEM;
+			goto error_info;
+		}
+
 		mutex_init(&slot->lock);
 		INIT_DELAYED_WORK(&slot->work, shpchp_queue_pushbutton_work);
 
@@ -148,7 +154,7 @@ static int init_slots(struct controller *ctrl)
 		if (retval) {
 			ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
 				 retval);
-			goto error_info;
+			goto error_slotwq;
 		}
 
 		get_power_status(hotplug_slot, &info->power_status);
@@ -160,6 +166,8 @@ static int init_slots(struct controller *ctrl)
 	}
 
 	return 0;
+error_slotwq:
+	destroy_workqueue(slot->wq);
 error_info:
 	kfree(info);
 error_hpslot:
@@ -180,8 +188,7 @@ void cleanup_slots(struct controller *ctrl)
 		slot = list_entry(tmp, struct slot, slot_list);
 		list_del(&slot->slot_list);
 		cancel_delayed_work(&slot->work);
-		flush_workqueue(shpchp_wq);
-		flush_workqueue(shpchp_ordered_wq);
+		destroy_workqueue(slot->wq);
 		pci_hp_deregister(slot->hotplug_slot);
 	}
 }
@@ -364,25 +371,12 @@ static struct pci_driver shpc_driver = {
 
 static int __init shpcd_init(void)
 {
-	int retval = 0;
-
-	shpchp_wq = alloc_ordered_workqueue("shpchp", 0);
-	if (!shpchp_wq)
-		return -ENOMEM;
-
-	shpchp_ordered_wq = alloc_ordered_workqueue("shpchp_ordered", 0);
-	if (!shpchp_ordered_wq) {
-		destroy_workqueue(shpchp_wq);
-		return -ENOMEM;
-	}
+	int retval;
 
 	retval = pci_register_driver(&shpc_driver);
 	dbg("%s: pci_register_driver = %d\n", __func__, retval);
 	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
-	if (retval) {
-		destroy_workqueue(shpchp_ordered_wq);
-		destroy_workqueue(shpchp_wq);
-	}
+
 	return retval;
 }
 
@@ -390,8 +384,6 @@ static void __exit shpcd_cleanup(void)
 {
 	dbg("unload_shpchpd()\n");
 	pci_unregister_driver(&shpc_driver);
-	destroy_workqueue(shpchp_ordered_wq);
-	destroy_workqueue(shpchp_wq);
 	info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
 }
 
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index f9b5a52..5849927 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -51,7 +51,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
 	info->p_slot = p_slot;
 	INIT_WORK(&info->work, interrupt_event_handler);
 
-	queue_work(shpchp_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
 
 	return 0;
 }
@@ -453,7 +453,7 @@ void shpchp_queue_pushbutton_work(struct work_struct *work)
 		kfree(info);
 		goto out;
 	}
-	queue_work(shpchp_ordered_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
  out:
 	mutex_unlock(&p_slot->lock);
 }
@@ -501,7 +501,7 @@ static void handle_button_press_event(struct slot *p_slot)
 		p_slot->hpc_ops->green_led_blink(p_slot);
 		p_slot->hpc_ops->set_attention_status(p_slot, 0);
 
-		queue_delayed_work(shpchp_wq, &p_slot->work, 5*HZ);
+		queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
 		break;
 	case BLINKINGOFF_STATE:
 	case BLINKINGON_STATE:
diff --git a/drivers/pci/hotplug/shpchp_pci.c b/drivers/pci/hotplug/shpchp_pci.c
index c627ed9..b0e8313 100644
--- a/drivers/pci/hotplug/shpchp_pci.c
+++ b/drivers/pci/hotplug/shpchp_pci.c
@@ -40,7 +40,7 @@ int __ref shpchp_configure_device(struct slot *p_slot)
 	struct controller *ctrl = p_slot->ctrl;
 	struct pci_dev *bridge = ctrl->pci_dev;
 	struct pci_bus *parent = bridge->subordinate;
-	int num, fn;
+	int num;
 
 	dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
 	if (dev) {
@@ -57,24 +57,20 @@ int __ref shpchp_configure_device(struct slot *p_slot)
 		return -ENODEV;
 	}
 
-	for (fn = 0; fn < 8; fn++) {
-		dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, fn));
-		if (!dev)
+	list_for_each_entry(dev, &parent->devices, bus_list) {
+		if (PCI_SLOT(dev->devfn) != p_slot->device)
 			continue;
 		if ((dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) ||
 		    (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS))
 			pci_hp_add_bridge(dev);
-		pci_dev_put(dev);
 	}
 
 	pci_assign_unassigned_bridge_resources(bridge);
 
-	for (fn = 0; fn < 8; fn++) {
-		dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, fn));
-		if (!dev)
+	list_for_each_entry(dev, &parent->devices, bus_list) {
+		if (PCI_SLOT(dev->devfn) != p_slot->device)
 			continue;
 		pci_configure_slot(dev);
-		pci_dev_put(dev);
 	}
 
 	pci_bus_add_devices(parent);
@@ -85,32 +81,32 @@ int __ref shpchp_configure_device(struct slot *p_slot)
 int shpchp_unconfigure_device(struct slot *p_slot)
 {
 	int rc = 0;
-	int j;
 	u8 bctl = 0;
 	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
+	struct pci_dev *dev, *temp;
 	struct controller *ctrl = p_slot->ctrl;
 
 	ctrl_dbg(ctrl, "%s: domain:bus:dev = %04x:%02x:%02x\n",
 		 __func__, pci_domain_nr(parent), p_slot->bus, p_slot->device);
 
-	for (j = 0; j < 8 ; j++) {
-		struct pci_dev *temp = pci_get_slot(parent,
-				(p_slot->device << 3) | j);
-		if (!temp)
+	list_for_each_entry_safe(dev, temp, &parent->devices, bus_list) {
+		if (PCI_SLOT(dev->devfn) != p_slot->device)
 			continue;
-		if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
-			pci_read_config_byte(temp, PCI_BRIDGE_CONTROL, &bctl);
+
+		pci_dev_get(dev);
+		if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
+			pci_read_config_byte(dev, PCI_BRIDGE_CONTROL, &bctl);
 			if (bctl & PCI_BRIDGE_CTL_VGA) {
 				ctrl_err(ctrl,
 					 "Cannot remove display device %s\n",
-					 pci_name(temp));
-				pci_dev_put(temp);
+					 pci_name(dev));
+				pci_dev_put(dev);
 				rc = -EINVAL;
 				break;
 			}
 		}
-		pci_stop_and_remove_bus_device(temp);
-		pci_dev_put(temp);
+		pci_stop_and_remove_bus_device(dev);
+		pci_dev_put(dev);
 	}
 	return rc;
 }
diff --git a/drivers/pci/ioapic.c b/drivers/pci/ioapic.c
index 205af8d..3c6bbdd 100644
--- a/drivers/pci/ioapic.c
+++ b/drivers/pci/ioapic.c
@@ -27,7 +27,7 @@ struct ioapic {
 	u32		gsi_base;
 };
 
-static int __devinit ioapic_probe(struct pci_dev *dev, const struct pci_device_id *ent)
+static int ioapic_probe(struct pci_dev *dev, const struct pci_device_id *ent)
 {
 	acpi_handle handle;
 	acpi_status status;
@@ -88,7 +88,7 @@ exit_free:
 	return -ENODEV;
 }
 
-static void __devexit ioapic_remove(struct pci_dev *dev)
+static void ioapic_remove(struct pci_dev *dev)
 {
 	struct ioapic *ioapic = pci_get_drvdata(dev);
 
@@ -110,7 +110,7 @@ static struct pci_driver ioapic_driver = {
 	.name		= "ioapic",
 	.id_table	= ioapic_devices,
 	.probe		= ioapic_probe,
-	.remove		= __devexit_p(ioapic_remove),
+	.remove		= ioapic_remove,
 };
 
 static int __init ioapic_init(void)
@@ -125,3 +125,5 @@ static void __exit ioapic_exit(void)
 
 module_init(ioapic_init);
 module_exit(ioapic_exit);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index aeccc91..ee599f2 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -33,7 +33,6 @@ static inline u8 virtfn_devfn(struct pci_dev *dev, int id)
 
 static struct pci_bus *virtfn_add_bus(struct pci_bus *bus, int busnr)
 {
-	int rc;
 	struct pci_bus *child;
 
 	if (bus->number == busnr)
@@ -48,12 +47,7 @@ static struct pci_bus *virtfn_add_bus(struct pci_bus *bus, int busnr)
 		return NULL;
 
 	pci_bus_insert_busn_res(child, busnr, busnr);
-	child->dev.parent = bus->bridge;
-	rc = pci_bus_add_child(child);
-	if (rc) {
-		pci_remove_bus(child);
-		return NULL;
-	}
+	bus->is_added = 1;
 
 	return child;
 }
@@ -106,7 +100,7 @@ static int virtfn_add(struct pci_dev *dev, int id, int reset)
 		virtfn->resource[i].name = pci_name(virtfn);
 		virtfn->resource[i].flags = res->flags;
 		size = resource_size(res);
-		do_div(size, iov->total);
+		do_div(size, iov->total_VFs);
 		virtfn->resource[i].start = res->start + size * id;
 		virtfn->resource[i].end = virtfn->resource[i].start + size - 1;
 		rc = request_resource(res, &virtfn->resource[i]);
@@ -123,8 +117,6 @@ static int virtfn_add(struct pci_dev *dev, int id, int reset)
 	virtfn->is_virtfn = 1;
 
 	rc = pci_bus_add_device(virtfn);
-	if (rc)
-		goto failed1;
 	sprintf(buf, "virtfn%u", id);
 	rc = sysfs_create_link(&dev->dev.kobj, &virtfn->dev.kobj, buf);
 	if (rc)
@@ -194,7 +186,7 @@ static int sriov_migration(struct pci_dev *dev)
 	u16 status;
 	struct pci_sriov *iov = dev->sriov;
 
-	if (!iov->nr_virtfn)
+	if (!iov->num_VFs)
 		return 0;
 
 	if (!(iov->cap & PCI_SRIOV_CAP_VFM))
@@ -216,7 +208,7 @@ static void sriov_migration_task(struct work_struct *work)
 	u16 status;
 	struct pci_sriov *iov = container_of(work, struct pci_sriov, mtask);
 
-	for (i = iov->initial; i < iov->nr_virtfn; i++) {
+	for (i = iov->initial_VFs; i < iov->num_VFs; i++) {
 		state = readb(iov->mstate + i);
 		if (state == PCI_SRIOV_VFM_MI) {
 			writeb(PCI_SRIOV_VFM_AV, iov->mstate + i);
@@ -244,7 +236,7 @@ static int sriov_enable_migration(struct pci_dev *dev, int nr_virtfn)
 	resource_size_t pa;
 	struct pci_sriov *iov = dev->sriov;
 
-	if (nr_virtfn <= iov->initial)
+	if (nr_virtfn <= iov->initial_VFs)
 		return 0;
 
 	pci_read_config_dword(dev, iov->pos + PCI_SRIOV_VFM, &table);
@@ -294,15 +286,15 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 	if (!nr_virtfn)
 		return 0;
 
-	if (iov->nr_virtfn)
+	if (iov->num_VFs)
 		return -EINVAL;
 
 	pci_read_config_word(dev, iov->pos + PCI_SRIOV_INITIAL_VF, &initial);
-	if (initial > iov->total ||
-	    (!(iov->cap & PCI_SRIOV_CAP_VFM) && (initial != iov->total)))
+	if (initial > iov->total_VFs ||
+	    (!(iov->cap & PCI_SRIOV_CAP_VFM) && (initial != iov->total_VFs)))
 		return -EIO;
 
-	if (nr_virtfn < 0 || nr_virtfn > iov->total ||
+	if (nr_virtfn < 0 || nr_virtfn > iov->total_VFs ||
 	    (!(iov->cap & PCI_SRIOV_CAP_VFM) && (nr_virtfn > initial)))
 		return -EINVAL;
 
@@ -359,7 +351,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 	msleep(100);
 	pci_cfg_access_unlock(dev);
 
-	iov->initial = initial;
+	iov->initial_VFs = initial;
 	if (nr_virtfn < initial)
 		initial = nr_virtfn;
 
@@ -376,7 +368,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 	}
 
 	kobject_uevent(&dev->dev.kobj, KOBJ_CHANGE);
-	iov->nr_virtfn = nr_virtfn;
+	iov->num_VFs = nr_virtfn;
 
 	return 0;
 
@@ -401,13 +393,13 @@ static void sriov_disable(struct pci_dev *dev)
 	int i;
 	struct pci_sriov *iov = dev->sriov;
 
-	if (!iov->nr_virtfn)
+	if (!iov->num_VFs)
 		return;
 
 	if (iov->cap & PCI_SRIOV_CAP_VFM)
 		sriov_disable_migration(dev);
 
-	for (i = 0; i < iov->nr_virtfn; i++)
+	for (i = 0; i < iov->num_VFs; i++)
 		virtfn_remove(dev, i, 0);
 
 	iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE);
@@ -419,7 +411,7 @@ static void sriov_disable(struct pci_dev *dev)
 	if (iov->link != dev->devfn)
 		sysfs_remove_link(&dev->dev.kobj, "dep_link");
 
-	iov->nr_virtfn = 0;
+	iov->num_VFs = 0;
 }
 
 static int sriov_init(struct pci_dev *dev, int pos)
@@ -496,7 +488,7 @@ found:
 	iov->pos = pos;
 	iov->nres = nres;
 	iov->ctrl = ctrl;
-	iov->total = total;
+	iov->total_VFs = total;
 	iov->offset = offset;
 	iov->stride = stride;
 	iov->pgsz = pgsz;
@@ -529,7 +521,7 @@ failed:
 
 static void sriov_release(struct pci_dev *dev)
 {
-	BUG_ON(dev->sriov->nr_virtfn);
+	BUG_ON(dev->sriov->num_VFs);
 
 	if (dev != dev->sriov->dev)
 		pci_dev_put(dev->sriov->dev);
@@ -554,7 +546,7 @@ static void sriov_restore_state(struct pci_dev *dev)
 		pci_update_resource(dev, i);
 
 	pci_write_config_dword(dev, iov->pos + PCI_SRIOV_SYS_PGSIZE, iov->pgsz);
-	pci_write_config_word(dev, iov->pos + PCI_SRIOV_NUM_VF, iov->nr_virtfn);
+	pci_write_config_word(dev, iov->pos + PCI_SRIOV_NUM_VF, iov->num_VFs);
 	pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);
 	if (iov->ctrl & PCI_SRIOV_CTRL_VFE)
 		msleep(100);
@@ -661,7 +653,7 @@ int pci_iov_bus_range(struct pci_bus *bus)
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		if (!dev->is_physfn)
 			continue;
-		busnr = virtfn_bus(dev, dev->sriov->total - 1);
+		busnr = virtfn_bus(dev, dev->sriov->total_VFs - 1);
 		if (busnr > max)
 			max = busnr;
 	}
@@ -729,9 +721,56 @@ EXPORT_SYMBOL_GPL(pci_sriov_migration);
  */
 int pci_num_vf(struct pci_dev *dev)
 {
-	if (!dev || !dev->is_physfn)
+	if (!dev->is_physfn)
 		return 0;
-	else
-		return dev->sriov->nr_virtfn;
+
+	return dev->sriov->num_VFs;
 }
 EXPORT_SYMBOL_GPL(pci_num_vf);
+
+/**
+ * pci_sriov_set_totalvfs -- reduce the TotalVFs available
+ * @dev: the PCI PF device
+ * @numvfs: number that should be used for TotalVFs supported
+ *
+ * Should be called from PF driver's probe routine with
+ * device's mutex held.
+ *
+ * Returns 0 if PF is an SRIOV-capable device and
+ * value of numvfs valid. If not a PF with VFS, return -EINVAL;
+ * if VFs already enabled, return -EBUSY.
+ */
+int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs)
+{
+	if (!dev->is_physfn || (numvfs > dev->sriov->total_VFs))
+		return -EINVAL;
+
+	/* Shouldn't change if VFs already enabled */
+	if (dev->sriov->ctrl & PCI_SRIOV_CTRL_VFE)
+		return -EBUSY;
+	else
+		dev->sriov->driver_max_VFs = numvfs;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(pci_sriov_set_totalvfs);
+
+/**
+ * pci_sriov_get_totalvfs -- get total VFs supported on this devic3
+ * @dev: the PCI PF device
+ *
+ * For a PCIe device with SRIOV support, return the PCIe
+ * SRIOV capability value of TotalVFs or the value of driver_max_VFs
+ * if the driver reduced it.  Otherwise, -EINVAL.
+ */
+int pci_sriov_get_totalvfs(struct pci_dev *dev)
+{
+	if (!dev->is_physfn)
+		return -EINVAL;
+
+	if (dev->sriov->driver_max_VFs)
+		return dev->sriov->driver_max_VFs;
+
+	return dev->sriov->total_VFs;
+}
+EXPORT_SYMBOL_GPL(pci_sriov_get_totalvfs);
diff --git a/drivers/pci/irq.c b/drivers/pci/irq.c
index e5f69a4..b008cf8 100644
--- a/drivers/pci/irq.c
+++ b/drivers/pci/irq.c
@@ -14,11 +14,11 @@ static void pci_note_irq_problem(struct pci_dev *pdev, const char *reason)
 {
 	struct pci_dev *parent = to_pci_dev(pdev->dev.parent);
 
-	dev_printk(KERN_ERR, &pdev->dev,
-		   "Potentially misrouted IRQ (Bridge %s %04x:%04x)\n",
-		   dev_name(&parent->dev), parent->vendor, parent->device);
-	dev_printk(KERN_ERR, &pdev->dev, "%s\n", reason);
-	dev_printk(KERN_ERR, &pdev->dev, "Please report to linux-kernel@vger.kernel.org\n");
+	dev_err(&pdev->dev,
+		"Potentially misrouted IRQ (Bridge %s %04x:%04x)\n",
+		dev_name(&parent->dev), parent->vendor, parent->device);
+	dev_err(&pdev->dev, "%s\n", reason);
+	dev_err(&pdev->dev, "Please report to linux-kernel@vger.kernel.org\n");
 	WARN_ON(1);
 }
 
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index a825d78..00cc78c7 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -207,6 +207,8 @@ static void msix_mask_irq(struct msi_desc *desc, u32 flag)
 	desc->masked = __msix_mask_irq(desc, flag);
 }
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+
 static void msi_set_mask_bit(struct irq_data *data, u32 flag)
 {
 	struct msi_desc *desc = irq_data_get_msi(data);
@@ -230,6 +232,8 @@ void unmask_msi_irq(struct irq_data *data)
 	msi_set_mask_bit(data, 0);
 }
 
+#endif /* CONFIG_GENERIC_HARDIRQS */
+
 void __read_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
 {
 	BUG_ON(entry->dev->current_state != PCI_D0);
@@ -337,8 +341,10 @@ static void free_msi_irqs(struct pci_dev *dev)
 		if (!entry->irq)
 			continue;
 		nvec = 1 << entry->msi_attrib.multiple;
+#ifdef CONFIG_GENERIC_HARDIRQS
 		for (i = 0; i < nvec; i++)
 			BUG_ON(irq_has_action(entry->irq + i));
+#endif
 	}
 
 	arch_teardown_msi_irqs(dev);
@@ -839,6 +845,32 @@ int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec)
 }
 EXPORT_SYMBOL(pci_enable_msi_block);
 
+int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec)
+{
+	int ret, pos, nvec;
+	u16 msgctl;
+
+	pos = pci_find_capability(dev, PCI_CAP_ID_MSI);
+	if (!pos)
+		return -EINVAL;
+
+	pci_read_config_word(dev, pos + PCI_MSI_FLAGS, &msgctl);
+	ret = 1 << ((msgctl & PCI_MSI_FLAGS_QMASK) >> 1);
+
+	if (maxvec)
+		*maxvec = ret;
+
+	do {
+		nvec = ret;
+		ret = pci_enable_msi_block(dev, nvec);
+	} while (ret > 0);
+
+	if (ret < 0)
+		return ret;
+	return nvec;
+}
+EXPORT_SYMBOL(pci_enable_msi_block_auto);
+
 void pci_msi_shutdown(struct pci_dev *dev)
 {
 	struct msi_desc *desc;
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index c5792d6..dee5ddd 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -17,10 +17,9 @@
 
 #include <linux/pci-acpi.h>
 #include <linux/pm_runtime.h>
+#include <linux/pm_qos.h>
 #include "pci.h"
 
-static DEFINE_MUTEX(pci_acpi_pm_notify_mtx);
-
 /**
  * pci_acpi_wake_bus - Wake-up notification handler for root buses.
  * @handle: ACPI handle of a device the notification is for.
@@ -68,67 +67,6 @@ static void pci_acpi_wake_dev(acpi_handle handle, u32 event, void *context)
 }
 
 /**
- * add_pm_notifier - Register PM notifier for given ACPI device.
- * @dev: ACPI device to add the notifier for.
- * @context: PCI device or bus to check for PME status if an event is signaled.
- *
- * NOTE: @dev need not be a run-wake or wake-up device to be a valid source of
- * PM wake-up events.  For example, wake-up events may be generated for bridges
- * if one of the devices below the bridge is signaling PME, even if the bridge
- * itself doesn't have a wake-up GPE associated with it.
- */
-static acpi_status add_pm_notifier(struct acpi_device *dev,
-				   acpi_notify_handler handler,
-				   void *context)
-{
-	acpi_status status = AE_ALREADY_EXISTS;
-
-	mutex_lock(&pci_acpi_pm_notify_mtx);
-
-	if (dev->wakeup.flags.notifier_present)
-		goto out;
-
-	status = acpi_install_notify_handler(dev->handle,
-					     ACPI_SYSTEM_NOTIFY,
-					     handler, context);
-	if (ACPI_FAILURE(status))
-		goto out;
-
-	dev->wakeup.flags.notifier_present = true;
-
- out:
-	mutex_unlock(&pci_acpi_pm_notify_mtx);
-	return status;
-}
-
-/**
- * remove_pm_notifier - Unregister PM notifier from given ACPI device.
- * @dev: ACPI device to remove the notifier from.
- */
-static acpi_status remove_pm_notifier(struct acpi_device *dev,
-				      acpi_notify_handler handler)
-{
-	acpi_status status = AE_BAD_PARAMETER;
-
-	mutex_lock(&pci_acpi_pm_notify_mtx);
-
-	if (!dev->wakeup.flags.notifier_present)
-		goto out;
-
-	status = acpi_remove_notify_handler(dev->handle,
-					    ACPI_SYSTEM_NOTIFY,
-					    handler);
-	if (ACPI_FAILURE(status))
-		goto out;
-
-	dev->wakeup.flags.notifier_present = false;
-
- out:
-	mutex_unlock(&pci_acpi_pm_notify_mtx);
-	return status;
-}
-
-/**
  * pci_acpi_add_bus_pm_notifier - Register PM notifier for given PCI bus.
  * @dev: ACPI device to add the notifier for.
  * @pci_bus: PCI bus to walk checking for PME status if an event is signaled.
@@ -136,7 +74,7 @@ static acpi_status remove_pm_notifier(struct acpi_device *dev,
 acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev,
 					 struct pci_bus *pci_bus)
 {
-	return add_pm_notifier(dev, pci_acpi_wake_bus, pci_bus);
+	return acpi_add_pm_notifier(dev, pci_acpi_wake_bus, pci_bus);
 }
 
 /**
@@ -145,7 +83,7 @@ acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev,
  */
 acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev)
 {
-	return remove_pm_notifier(dev, pci_acpi_wake_bus);
+	return acpi_remove_pm_notifier(dev, pci_acpi_wake_bus);
 }
 
 /**
@@ -156,7 +94,7 @@ acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev)
 acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
 				     struct pci_dev *pci_dev)
 {
-	return add_pm_notifier(dev, pci_acpi_wake_dev, pci_dev);
+	return acpi_add_pm_notifier(dev, pci_acpi_wake_dev, pci_dev);
 }
 
 /**
@@ -165,7 +103,7 @@ acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
  */
 acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev)
 {
-	return remove_pm_notifier(dev, pci_acpi_wake_dev);
+	return acpi_remove_pm_notifier(dev, pci_acpi_wake_dev);
 }
 
 phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle)
@@ -257,11 +195,16 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
 		return -ENODEV;
 
 	switch (state) {
+	case PCI_D3cold:
+		if (dev_pm_qos_flags(&dev->dev, PM_QOS_FLAG_NO_POWER_OFF) ==
+				PM_QOS_FLAGS_ALL) {
+			error = -EBUSY;
+			break;
+		}
 	case PCI_D0:
 	case PCI_D1:
 	case PCI_D2:
 	case PCI_D3hot:
-	case PCI_D3cold:
 		error = acpi_bus_set_power(handle, state_conv[state]);
 	}
 
@@ -340,7 +283,6 @@ static struct pci_platform_pm_ops acpi_pci_platform_pm = {
 	.is_manageable = acpi_pci_power_manageable,
 	.set_state = acpi_pci_set_power_state,
 	.choose_state = acpi_pci_choose_state,
-	.can_wakeup = acpi_pci_can_wakeup,
 	.sleep_wake = acpi_pci_sleep_wake,
 	.run_wake = acpi_pci_run_wake,
 };
@@ -360,28 +302,46 @@ static int acpi_pci_find_device(struct device *dev, acpi_handle *handle)
 	return 0;
 }
 
-static int acpi_pci_find_root_bridge(struct device *dev, acpi_handle *handle)
+static void pci_acpi_setup(struct device *dev)
 {
-	int num;
-	unsigned int seg, bus;
+	struct pci_dev *pci_dev = to_pci_dev(dev);
+	acpi_handle handle = ACPI_HANDLE(dev);
+	struct acpi_device *adev;
 
-	/*
-	 * The string should be the same as root bridge's name
-	 * Please look at 'pci_scan_bus_parented'
-	 */
-	num = sscanf(dev_name(dev), "pci%04x:%02x", &seg, &bus);
-	if (num != 2)
-		return -ENODEV;
-	*handle = acpi_get_pci_rootbridge_handle(seg, bus);
-	if (!*handle)
-		return -ENODEV;
-	return 0;
+	if (acpi_bus_get_device(handle, &adev) || !adev->wakeup.flags.valid)
+		return;
+
+	device_set_wakeup_capable(dev, true);
+	acpi_pci_sleep_wake(pci_dev, false);
+
+	pci_acpi_add_pm_notifier(adev, pci_dev);
+	if (adev->wakeup.flags.run_wake)
+		device_set_run_wake(dev, true);
+}
+
+static void pci_acpi_cleanup(struct device *dev)
+{
+	acpi_handle handle = ACPI_HANDLE(dev);
+	struct acpi_device *adev;
+
+	if (!acpi_bus_get_device(handle, &adev) && adev->wakeup.flags.valid) {
+		device_set_wakeup_capable(dev, false);
+		device_set_run_wake(dev, false);
+		pci_acpi_remove_pm_notifier(adev);
+	}
+}
+
+static bool pci_acpi_bus_match(struct device *dev)
+{
+	return dev->bus == &pci_bus_type;
 }
 
 static struct acpi_bus_type acpi_pci_bus = {
-	.bus = &pci_bus_type,
+	.name = "PCI",
+	.match = pci_acpi_bus_match,
 	.find_device = acpi_pci_find_device,
-	.find_bridge = acpi_pci_find_root_bridge,
+	.setup = pci_acpi_setup,
+	.cleanup = pci_acpi_cleanup,
 };
 
 static int __init acpi_pci_init(void)
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 94c6e2a..1fa1e48 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -89,10 +89,6 @@ static void pci_free_dynids(struct pci_driver *drv)
 	spin_unlock(&drv->dynids.lock);
 }
 
-/*
- * Dynamic device ID manipulation via sysfs is disabled for !CONFIG_HOTPLUG
- */
-#ifdef CONFIG_HOTPLUG
 /**
  * store_new_id - sysfs frontend to pci_add_dynid()
  * @driver: target device driver
@@ -191,10 +187,6 @@ static struct driver_attribute pci_drv_attrs[] = {
 	__ATTR_NULL,
 };
 
-#else
-#define pci_drv_attrs	NULL
-#endif /* CONFIG_HOTPLUG */
-
 /**
  * pci_match_id - See if a pci device matches a given pci_id table
  * @ids: array of PCI device id structures to search in
@@ -256,31 +248,26 @@ struct drv_dev_and_id {
 static long local_pci_probe(void *_ddi)
 {
 	struct drv_dev_and_id *ddi = _ddi;
-	struct device *dev = &ddi->dev->dev;
-	struct device *parent = dev->parent;
+	struct pci_dev *pci_dev = ddi->dev;
+	struct pci_driver *pci_drv = ddi->drv;
+	struct device *dev = &pci_dev->dev;
 	int rc;
 
-	/* The parent bridge must be in active state when probing */
-	if (parent)
-		pm_runtime_get_sync(parent);
-	/* Unbound PCI devices are always set to disabled and suspended.
-	 * During probe, the device is set to enabled and active and the
-	 * usage count is incremented.  If the driver supports runtime PM,
-	 * it should call pm_runtime_put_noidle() in its probe routine and
-	 * pm_runtime_get_noresume() in its remove routine.
+	/*
+	 * Unbound PCI devices are always put in D0, regardless of
+	 * runtime PM status.  During probe, the device is set to
+	 * active and the usage count is incremented.  If the driver
+	 * supports runtime PM, it should call pm_runtime_put_noidle()
+	 * in its probe routine and pm_runtime_get_noresume() in its
+	 * remove routine.
 	 */
-	pm_runtime_get_noresume(dev);
-	pm_runtime_set_active(dev);
-	pm_runtime_enable(dev);
-
-	rc = ddi->drv->probe(ddi->dev, ddi->id);
+	pm_runtime_get_sync(dev);
+	pci_dev->driver = pci_drv;
+	rc = pci_drv->probe(pci_dev, ddi->id);
 	if (rc) {
-		pm_runtime_disable(dev);
-		pm_runtime_set_suspended(dev);
-		pm_runtime_put_noidle(dev);
+		pci_dev->driver = NULL;
+		pm_runtime_put_sync(dev);
 	}
-	if (parent)
-		pm_runtime_put(parent);
 	return rc;
 }
 
@@ -330,10 +317,8 @@ __pci_device_probe(struct pci_driver *drv, struct pci_dev *pci_dev)
 		id = pci_match_device(drv, pci_dev);
 		if (id)
 			error = pci_call_probe(drv, pci_dev, id);
-		if (error >= 0) {
-			pci_dev->driver = drv;
+		if (error >= 0)
 			error = 0;
-		}
 	}
 	return error;
 }
@@ -369,9 +354,7 @@ static int pci_device_remove(struct device * dev)
 	}
 
 	/* Undo the runtime PM settings in local_pci_probe() */
-	pm_runtime_disable(dev);
-	pm_runtime_set_suspended(dev);
-	pm_runtime_put_noidle(dev);
+	pm_runtime_put_sync(dev);
 
 	/*
 	 * If the device is still on, set the power state as "unknown",
@@ -398,6 +381,8 @@ static void pci_device_shutdown(struct device *dev)
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 	struct pci_driver *drv = pci_dev->driver;
 
+	pm_runtime_resume(dev);
+
 	if (drv && drv->shutdown)
 		drv->shutdown(pci_dev);
 	pci_msi_shutdown(pci_dev);
@@ -407,17 +392,7 @@ static void pci_device_shutdown(struct device *dev)
 	 * Turn off Bus Master bit on the device to tell it to not
 	 * continue to do DMA
 	 */
-	pci_disable_device(pci_dev);
-
-	/*
-	 * Devices may be enabled to wake up by runtime PM, but they need not
-	 * be supposed to wake up the system from its "power off" state (e.g.
-	 * ACPI S5).  Therefore disable wakeup for all devices that aren't
-	 * supposed to wake up the system at this point.  The state argument
-	 * will be ignored by pci_enable_wake().
-	 */
-	if (!device_may_wakeup(dev))
-		pci_enable_wake(pci_dev, PCI_UNKNOWN, false);
+	pci_clear_master(pci_dev);
 }
 
 #ifdef CONFIG_PM
@@ -653,6 +628,7 @@ static int pci_pm_suspend(struct device *dev)
 		goto Fixup;
 	}
 
+	pci_dev->state_saved = false;
 	if (pm->suspend) {
 		pci_power_t prev = pci_dev->current_state;
 		int error;
@@ -799,6 +775,7 @@ static int pci_pm_freeze(struct device *dev)
 		return 0;
 	}
 
+	pci_dev->state_saved = false;
 	if (pm->freeze) {
 		int error;
 
@@ -887,6 +864,7 @@ static int pci_pm_poweroff(struct device *dev)
 		goto Fixup;
 	}
 
+	pci_dev->state_saved = false;
 	if (pm->poweroff) {
 		int error;
 
@@ -1002,9 +980,17 @@ static int pci_pm_runtime_suspend(struct device *dev)
 	pci_power_t prev = pci_dev->current_state;
 	int error;
 
+	/*
+	 * If pci_dev->driver is not set (unbound), the device should
+	 * always remain in D0 regardless of the runtime PM status
+	 */
+	if (!pci_dev->driver)
+		return 0;
+
 	if (!pm || !pm->runtime_suspend)
 		return -ENOSYS;
 
+	pci_dev->state_saved = false;
 	pci_dev->no_d3cold = false;
 	error = pm->runtime_suspend(dev);
 	suspend_report_result(pm->runtime_suspend, error);
@@ -1023,10 +1009,10 @@ static int pci_pm_runtime_suspend(struct device *dev)
 		return 0;
 	}
 
-	if (!pci_dev->state_saved)
+	if (!pci_dev->state_saved) {
 		pci_save_state(pci_dev);
-
-	pci_finish_runtime_suspend(pci_dev);
+		pci_finish_runtime_suspend(pci_dev);
+	}
 
 	return 0;
 }
@@ -1037,6 +1023,13 @@ static int pci_pm_runtime_resume(struct device *dev)
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 
+	/*
+	 * If pci_dev->driver is not set (unbound), the device should
+	 * always remain in D0 regardless of the runtime PM status
+	 */
+	if (!pci_dev->driver)
+		return 0;
+
 	if (!pm || !pm->runtime_resume)
 		return -ENOSYS;
 
@@ -1054,8 +1047,16 @@ static int pci_pm_runtime_resume(struct device *dev)
 
 static int pci_pm_runtime_idle(struct device *dev)
 {
+	struct pci_dev *pci_dev = to_pci_dev(dev);
 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 
+	/*
+	 * If pci_dev->driver is not set (unbound), the device should
+	 * always remain in D0 regardless of the runtime PM status
+	 */
+	if (!pci_dev->driver)
+		goto out;
+
 	if (!pm)
 		return -ENOSYS;
 
@@ -1065,8 +1066,8 @@ static int pci_pm_runtime_idle(struct device *dev)
 			return ret;
 	}
 
+out:
 	pm_runtime_suspend(dev);
-
 	return 0;
 }
 
@@ -1189,9 +1190,13 @@ pci_dev_driver(const struct pci_dev *dev)
 static int pci_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct pci_dev *pci_dev = to_pci_dev(dev);
-	struct pci_driver *pci_drv = to_pci_driver(drv);
+	struct pci_driver *pci_drv;
 	const struct pci_device_id *found_id;
 
+	if (!pci_dev->match_driver)
+		return 0;
+
+	pci_drv = to_pci_driver(drv);
 	found_id = pci_match_device(pci_drv, pci_dev);
 	if (found_id)
 		return 1;
@@ -1231,12 +1236,38 @@ void pci_dev_put(struct pci_dev *dev)
 		put_device(&dev->dev);
 }
 
-#ifndef CONFIG_HOTPLUG
-int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
-	return -ENODEV;
+	struct pci_dev *pdev;
+
+	if (!dev)
+		return -ENODEV;
+
+	pdev = to_pci_dev(dev);
+	if (!pdev)
+		return -ENODEV;
+
+	if (add_uevent_var(env, "PCI_CLASS=%04X", pdev->class))
+		return -ENOMEM;
+
+	if (add_uevent_var(env, "PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
+		return -ENOMEM;
+
+	if (add_uevent_var(env, "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
+			   pdev->subsystem_device))
+		return -ENOMEM;
+
+	if (add_uevent_var(env, "PCI_SLOT_NAME=%s", pci_name(pdev)))
+		return -ENOMEM;
+
+	if (add_uevent_var(env, "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
+			   pdev->vendor, pdev->device,
+			   pdev->subsystem_vendor, pdev->subsystem_device,
+			   (u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
+			   (u8)(pdev->class)))
+		return -ENOMEM;
+	return 0;
 }
-#endif
 
 struct bus_type pci_bus_type = {
 	.name		= "pci",
diff --git a/drivers/pci/pci-stub.c b/drivers/pci/pci-stub.c
index 775e933..6e47c51 100644
--- a/drivers/pci/pci-stub.c
+++ b/drivers/pci/pci-stub.c
@@ -28,7 +28,7 @@ MODULE_PARM_DESC(ids, "Initial PCI IDs to add to the stub driver, format is "
 
 static int pci_stub_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	dev_printk(KERN_INFO, &dev->dev, "claimed by stub\n");
+	dev_info(&dev->dev, "claimed by stub\n");
 	return 0;
 }
 
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 02d107b..9c6e9bb 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -284,7 +284,6 @@ msi_bus_store(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-#ifdef CONFIG_HOTPLUG
 static DEFINE_MUTEX(pci_remove_rescan_mutex);
 static ssize_t bus_rescan_store(struct bus_type *bus, const char *buf,
 				size_t count)
@@ -377,8 +376,6 @@ dev_bus_rescan_store(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-#endif
-
 #if defined(CONFIG_PM_RUNTIME) && defined(CONFIG_ACPI)
 static ssize_t d3cold_allowed_store(struct device *dev,
 				    struct device_attribute *attr,
@@ -404,6 +401,89 @@ static ssize_t d3cold_allowed_show(struct device *dev,
 }
 #endif
 
+#ifdef CONFIG_PCI_IOV
+static ssize_t sriov_totalvfs_show(struct device *dev,
+				   struct device_attribute *attr,
+				   char *buf)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+
+	return sprintf(buf, "%u\n", pci_sriov_get_totalvfs(pdev));
+}
+
+
+static ssize_t sriov_numvfs_show(struct device *dev,
+				 struct device_attribute *attr,
+				 char *buf)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+
+	return sprintf(buf, "%u\n", pdev->sriov->num_VFs);
+}
+
+/*
+ * num_vfs > 0; number of VFs to enable
+ * num_vfs = 0; disable all VFs
+ *
+ * Note: SRIOV spec doesn't allow partial VF
+ *       disable, so it's all or none.
+ */
+static ssize_t sriov_numvfs_store(struct device *dev,
+				  struct device_attribute *attr,
+				  const char *buf, size_t count)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	int ret;
+	u16 num_vfs;
+
+	ret = kstrtou16(buf, 0, &num_vfs);
+	if (ret < 0)
+		return ret;
+
+	if (num_vfs > pci_sriov_get_totalvfs(pdev))
+		return -ERANGE;
+
+	if (num_vfs == pdev->sriov->num_VFs)
+		return count;		/* no change */
+
+	/* is PF driver loaded w/callback */
+	if (!pdev->driver || !pdev->driver->sriov_configure) {
+		dev_info(&pdev->dev, "Driver doesn't support SRIOV configuration via sysfs\n");
+		return -ENOSYS;
+	}
+
+	if (num_vfs == 0) {
+		/* disable VFs */
+		ret = pdev->driver->sriov_configure(pdev, 0);
+		if (ret < 0)
+			return ret;
+		return count;
+	}
+
+	/* enable VFs */
+	if (pdev->sriov->num_VFs) {
+		dev_warn(&pdev->dev, "%d VFs already enabled. Disable before enabling %d VFs\n",
+			 pdev->sriov->num_VFs, num_vfs);
+		return -EBUSY;
+	}
+
+	ret = pdev->driver->sriov_configure(pdev, num_vfs);
+	if (ret < 0)
+		return ret;
+
+	if (ret != num_vfs)
+		dev_warn(&pdev->dev, "%d VFs requested; only %d enabled\n",
+			 num_vfs, ret);
+
+	return count;
+}
+
+static struct device_attribute sriov_totalvfs_attr = __ATTR_RO(sriov_totalvfs);
+static struct device_attribute sriov_numvfs_attr =
+		__ATTR(sriov_numvfs, (S_IRUGO|S_IWUSR|S_IWGRP),
+		       sriov_numvfs_show, sriov_numvfs_store);
+#endif /* CONFIG_PCI_IOV */
+
 struct device_attribute pci_dev_attrs[] = {
 	__ATTR_RO(resource),
 	__ATTR_RO(vendor),
@@ -424,10 +504,8 @@ struct device_attribute pci_dev_attrs[] = {
 	__ATTR(broken_parity_status,(S_IRUGO|S_IWUSR),
 		broken_parity_status_show,broken_parity_status_store),
 	__ATTR(msi_bus, 0644, msi_bus_show, msi_bus_store),
-#ifdef CONFIG_HOTPLUG
 	__ATTR(remove, (S_IWUSR|S_IWGRP), NULL, remove_store),
 	__ATTR(rescan, (S_IWUSR|S_IWGRP), NULL, dev_rescan_store),
-#endif
 #if defined(CONFIG_PM_RUNTIME) && defined(CONFIG_ACPI)
 	__ATTR(d3cold_allowed, 0644, d3cold_allowed_show, d3cold_allowed_store),
 #endif
@@ -435,9 +513,7 @@ struct device_attribute pci_dev_attrs[] = {
 };
 
 struct device_attribute pcibus_dev_attrs[] = {
-#ifdef CONFIG_HOTPLUG
 	__ATTR(rescan, (S_IWUSR|S_IWGRP), NULL, dev_bus_rescan_store),
-#endif
 	__ATTR(cpuaffinity, S_IRUGO, pci_bus_show_cpumaskaffinity, NULL),
 	__ATTR(cpulistaffinity, S_IRUGO, pci_bus_show_cpulistaffinity, NULL),
 	__ATTR_NULL,
@@ -458,40 +534,6 @@ boot_vga_show(struct device *dev, struct device_attribute *attr, char *buf)
 }
 struct device_attribute vga_attr = __ATTR_RO(boot_vga);
 
-static void
-pci_config_pm_runtime_get(struct pci_dev *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct device *parent = dev->parent;
-
-	if (parent)
-		pm_runtime_get_sync(parent);
-	pm_runtime_get_noresume(dev);
-	/*
-	 * pdev->current_state is set to PCI_D3cold during suspending,
-	 * so wait until suspending completes
-	 */
-	pm_runtime_barrier(dev);
-	/*
-	 * Only need to resume devices in D3cold, because config
-	 * registers are still accessible for devices suspended but
-	 * not in D3cold.
-	 */
-	if (pdev->current_state == PCI_D3cold)
-		pm_runtime_resume(dev);
-}
-
-static void
-pci_config_pm_runtime_put(struct pci_dev *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct device *parent = dev->parent;
-
-	pm_runtime_put(dev);
-	if (parent)
-		pm_runtime_put_sync(parent);
-}
-
 static ssize_t
 pci_read_config(struct file *filp, struct kobject *kobj,
 		struct bin_attribute *bin_attr,
@@ -1303,29 +1345,20 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
 		pdev->rom_attr = attr;
 	}
 
-	if ((pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) {
-		retval = device_create_file(&pdev->dev, &vga_attr);
-		if (retval)
-			goto err_rom_file;
-	}
-
 	/* add platform-specific attributes */
 	retval = pcibios_add_platform_entries(pdev);
 	if (retval)
-		goto err_vga_file;
+		goto err_rom_file;
 
 	/* add sysfs entries for various capabilities */
 	retval = pci_create_capabilities_sysfs(pdev);
 	if (retval)
-		goto err_vga_file;
+		goto err_rom_file;
 
 	pci_create_firmware_label_files(pdev);
 
 	return 0;
 
-err_vga_file:
-	if ((pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA)
-		device_remove_file(&pdev->dev, &vga_attr);
 err_rom_file:
 	if (rom_size) {
 		sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
@@ -1411,3 +1444,62 @@ static int __init pci_sysfs_init(void)
 }
 
 late_initcall(pci_sysfs_init);
+
+static struct attribute *pci_dev_dev_attrs[] = {
+	&vga_attr.attr,
+	NULL,
+};
+
+static umode_t pci_dev_attrs_are_visible(struct kobject *kobj,
+						struct attribute *a, int n)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct pci_dev *pdev = to_pci_dev(dev);
+
+	if (a == &vga_attr.attr)
+		if ((pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA)
+			return 0;
+
+	return a->mode;
+}
+
+#ifdef CONFIG_PCI_IOV
+static struct attribute *sriov_dev_attrs[] = {
+	&sriov_totalvfs_attr.attr,
+	&sriov_numvfs_attr.attr,
+	NULL,
+};
+
+static umode_t sriov_attrs_are_visible(struct kobject *kobj,
+					 struct attribute *a, int n)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+
+	if (!dev_is_pf(dev))
+		return 0;
+
+	return a->mode;
+}
+
+static struct attribute_group sriov_dev_attr_group = {
+	.attrs = sriov_dev_attrs,
+	.is_visible = sriov_attrs_are_visible,
+};
+#endif /* CONFIG_PCI_IOV */
+
+static struct attribute_group pci_dev_attr_group = {
+	.attrs = pci_dev_dev_attrs,
+	.is_visible = pci_dev_attrs_are_visible,
+};
+
+static const struct attribute_group *pci_dev_attr_groups[] = {
+	&pci_dev_attr_group,
+#ifdef CONFIG_PCI_IOV
+	&sriov_dev_attr_group,
+#endif
+	NULL,
+};
+
+struct device_type pci_dev_type = {
+	.groups = pci_dev_attr_groups,
+};
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 5485883..b099e00 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -86,7 +86,7 @@ enum pcie_bus_config_types pcie_bus_config = PCIE_BUS_TUNE_OFF;
  * the dfl or actual value as it sees fit.  Don't forget this is
  * measured in 32-bit words, not bytes.
  */
-u8 pci_dfl_cache_line_size __devinitdata = L1_CACHE_BYTES >> 2;
+u8 pci_dfl_cache_line_size = L1_CACHE_BYTES >> 2;
 u8 pci_cache_line_size;
 
 /*
@@ -450,7 +450,7 @@ static struct pci_platform_pm_ops *pci_platform_pm;
 int pci_set_platform_pm(struct pci_platform_pm_ops *ops)
 {
 	if (!ops->is_manageable || !ops->set_state || !ops->choose_state
-	    || !ops->sleep_wake || !ops->can_wakeup)
+	    || !ops->sleep_wake)
 		return -EINVAL;
 	pci_platform_pm = ops;
 	return 0;
@@ -473,11 +473,6 @@ static inline pci_power_t platform_pci_choose_state(struct pci_dev *dev)
 			pci_platform_pm->choose_state(dev) : PCI_POWER_ERROR;
 }
 
-static inline bool platform_pci_can_wakeup(struct pci_dev *dev)
-{
-	return pci_platform_pm ? pci_platform_pm->can_wakeup(dev) : false;
-}
-
 static inline int platform_pci_sleep_wake(struct pci_dev *dev, bool enable)
 {
 	return pci_platform_pm ?
@@ -847,9 +842,8 @@ static struct pci_cap_saved_state *pci_find_saved_cap(
 	struct pci_dev *pci_dev, char cap)
 {
 	struct pci_cap_saved_state *tmp;
-	struct hlist_node *pos;
 
-	hlist_for_each_entry(tmp, pos, &pci_dev->saved_cap_space, next) {
+	hlist_for_each_entry(tmp, &pci_dev->saved_cap_space, next) {
 		if (tmp->cap.cap_nr == cap)
 			return tmp;
 	}
@@ -1046,7 +1040,6 @@ struct pci_saved_state *pci_store_saved_state(struct pci_dev *dev)
 	struct pci_saved_state *state;
 	struct pci_cap_saved_state *tmp;
 	struct pci_cap_saved_data *cap;
-	struct hlist_node *pos;
 	size_t size;
 
 	if (!dev->state_saved)
@@ -1054,7 +1047,7 @@ struct pci_saved_state *pci_store_saved_state(struct pci_dev *dev)
 
 	size = sizeof(*state) + sizeof(struct pci_cap_saved_data);
 
-	hlist_for_each_entry(tmp, pos, &dev->saved_cap_space, next)
+	hlist_for_each_entry(tmp, &dev->saved_cap_space, next)
 		size += sizeof(struct pci_cap_saved_data) + tmp->cap.size;
 
 	state = kzalloc(size, GFP_KERNEL);
@@ -1065,7 +1058,7 @@ struct pci_saved_state *pci_store_saved_state(struct pci_dev *dev)
 	       sizeof(state->config_space));
 
 	cap = state->cap;
-	hlist_for_each_entry(tmp, pos, &dev->saved_cap_space, next) {
+	hlist_for_each_entry(tmp, &dev->saved_cap_space, next) {
 		size_t len = sizeof(struct pci_cap_saved_data) + tmp->cap.size;
 		memcpy(cap, &tmp->cap, len);
 		cap = (struct pci_cap_saved_data *)((u8 *)cap + len);
@@ -1156,8 +1149,7 @@ int pci_reenable_device(struct pci_dev *dev)
 	return 0;
 }
 
-static int __pci_enable_device_flags(struct pci_dev *dev,
-				     resource_size_t flags)
+static int pci_enable_device_flags(struct pci_dev *dev, unsigned long flags)
 {
 	int err;
 	int i, bars = 0;
@@ -1174,7 +1166,7 @@ static int __pci_enable_device_flags(struct pci_dev *dev,
 		dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK);
 	}
 
-	if (atomic_add_return(1, &dev->enable_cnt) > 1)
+	if (atomic_inc_return(&dev->enable_cnt) > 1)
 		return 0;		/* already enabled */
 
 	/* only skip sriov related */
@@ -1201,7 +1193,7 @@ static int __pci_enable_device_flags(struct pci_dev *dev,
  */
 int pci_enable_device_io(struct pci_dev *dev)
 {
-	return __pci_enable_device_flags(dev, IORESOURCE_IO);
+	return pci_enable_device_flags(dev, IORESOURCE_IO);
 }
 
 /**
@@ -1214,7 +1206,7 @@ int pci_enable_device_io(struct pci_dev *dev)
  */
 int pci_enable_device_mem(struct pci_dev *dev)
 {
-	return __pci_enable_device_flags(dev, IORESOURCE_MEM);
+	return pci_enable_device_flags(dev, IORESOURCE_MEM);
 }
 
 /**
@@ -1230,7 +1222,7 @@ int pci_enable_device_mem(struct pci_dev *dev)
  */
 int pci_enable_device(struct pci_dev *dev)
 {
-	return __pci_enable_device_flags(dev, IORESOURCE_MEM | IORESOURCE_IO);
+	return pci_enable_device_flags(dev, IORESOURCE_MEM | IORESOURCE_IO);
 }
 
 /*
@@ -1333,6 +1325,19 @@ void pcim_pin_device(struct pci_dev *pdev)
 		dr->pinned = 1;
 }
 
+/*
+ * pcibios_add_device - provide arch specific hooks when adding device dev
+ * @dev: the PCI device being added
+ *
+ * Permits the platform to provide architecture specific functionality when
+ * devices are added. This is the default implementation. Architecture
+ * implementations can override this.
+ */
+int __weak pcibios_add_device (struct pci_dev *dev)
+{
+	return 0;
+}
+
 /**
  * pcibios_disable_device - disable arch specific PCI resources for device dev
  * @dev: the PCI device to disable
@@ -1388,7 +1393,10 @@ pci_disable_device(struct pci_dev *dev)
 	if (dr)
 		dr->enabled = 0;
 
-	if (atomic_sub_return(1, &dev->enable_cnt) != 0)
+	dev_WARN_ONCE(&dev->dev, atomic_read(&dev->enable_cnt) <= 0,
+		      "disabling already-disabled device");
+
+	if (atomic_dec_return(&dev->enable_cnt) != 0)
 		return;
 
 	do_pci_disable_device(dev);
@@ -1578,15 +1586,25 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
 
 	pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, pmcsr);
 
-	/* PCI (as opposed to PCIe) PME requires that the device have
-	   its PME# line hooked up correctly. Not all hardware vendors
-	   do this, so the PME never gets delivered and the device
-	   remains asleep. The easiest way around this is to
-	   periodically walk the list of suspended devices and check
-	   whether any have their PME flag set. The assumption is that
-	   we'll wake up often enough anyway that this won't be a huge
-	   hit, and the power savings from the devices will still be a
-	   win. */
+	/*
+	 * PCI (as opposed to PCIe) PME requires that the device have
+	 * its PME# line hooked up correctly. Not all hardware vendors
+	 * do this, so the PME never gets delivered and the device
+	 * remains asleep. The easiest way around this is to
+	 * periodically walk the list of suspended devices and check
+	 * whether any have their PME flag set. The assumption is that
+	 * we'll wake up often enough anyway that this won't be a huge
+	 * hit, and the power savings from the devices will still be a
+	 * win.
+	 *
+	 * Although PCIe uses in-band PME message instead of PME# line
+	 * to report PME, PME does not work for some PCIe devices in
+	 * reality.  For example, there are devices that set their PME
+	 * status bits, but don't really bother to send a PME message;
+	 * there are PCI Express Root Ports that don't bother to
+	 * trigger interrupts when they receive PME messages from the
+	 * devices below.  So PME poll is used for PCIe devices too.
+	 */
 
 	if (dev->pme_poll) {
 		struct pci_pme_device *pme_dev;
@@ -1858,6 +1876,38 @@ bool pci_dev_run_wake(struct pci_dev *dev)
 }
 EXPORT_SYMBOL_GPL(pci_dev_run_wake);
 
+void pci_config_pm_runtime_get(struct pci_dev *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct device *parent = dev->parent;
+
+	if (parent)
+		pm_runtime_get_sync(parent);
+	pm_runtime_get_noresume(dev);
+	/*
+	 * pdev->current_state is set to PCI_D3cold during suspending,
+	 * so wait until suspending completes
+	 */
+	pm_runtime_barrier(dev);
+	/*
+	 * Only need to resume devices in D3cold, because config
+	 * registers are still accessible for devices suspended but
+	 * not in D3cold.
+	 */
+	if (pdev->current_state == PCI_D3cold)
+		pm_runtime_resume(dev);
+}
+
+void pci_config_pm_runtime_put(struct pci_dev *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct device *parent = dev->parent;
+
+	pm_runtime_put(dev);
+	if (parent)
+		pm_runtime_put_sync(parent);
+}
+
 /**
  * pci_pm_init - Initialize PM functions of given PCI device
  * @dev: PCI device to handle.
@@ -1868,6 +1918,8 @@ void pci_pm_init(struct pci_dev *dev)
 	u16 pmc;
 
 	pm_runtime_forbid(&dev->dev);
+	pm_runtime_set_active(&dev->dev);
+	pm_runtime_enable(&dev->dev);
 	device_enable_async_suspend(&dev->dev);
 	dev->wakeup_prepared = false;
 
@@ -1928,25 +1980,6 @@ void pci_pm_init(struct pci_dev *dev)
 	}
 }
 
-/**
- * platform_pci_wakeup_init - init platform wakeup if present
- * @dev: PCI device
- *
- * Some devices don't have PCI PM caps but can still generate wakeup
- * events through platform methods (like ACPI events).  If @dev supports
- * platform wakeup events, set the device flag to indicate as much.  This
- * may be redundant if the device also supports PCI PM caps, but double
- * initialization should be safe in that case.
- */
-void platform_pci_wakeup_init(struct pci_dev *dev)
-{
-	if (!platform_pci_can_wakeup(dev))
-		return;
-
-	device_set_wakeup_capable(&dev->dev, true);
-	platform_pci_sleep_wake(dev, false);
-}
-
 static void pci_add_saved_cap(struct pci_dev *pci_dev,
 	struct pci_cap_saved_state *new_cap)
 {
@@ -2003,17 +2036,20 @@ void pci_allocate_cap_save_buffers(struct pci_dev *dev)
 void pci_free_cap_save_buffers(struct pci_dev *dev)
 {
 	struct pci_cap_saved_state *tmp;
-	struct hlist_node *pos, *n;
+	struct hlist_node *n;
 
-	hlist_for_each_entry_safe(tmp, pos, n, &dev->saved_cap_space, next)
+	hlist_for_each_entry_safe(tmp, n, &dev->saved_cap_space, next)
 		kfree(tmp);
 }
 
 /**
- * pci_enable_ari - enable ARI forwarding if hardware support it
+ * pci_configure_ari - enable or disable ARI forwarding
  * @dev: the PCI device
+ *
+ * If @dev and its upstream bridge both support ARI, enable ARI in the
+ * bridge.  Otherwise, disable ARI in the bridge.
  */
-void pci_enable_ari(struct pci_dev *dev)
+void pci_configure_ari(struct pci_dev *dev)
 {
 	u32 cap;
 	struct pci_dev *bridge;
@@ -2021,9 +2057,6 @@ void pci_enable_ari(struct pci_dev *dev)
 	if (pcie_ari_disabled || !pci_is_pcie(dev) || dev->devfn)
 		return;
 
-	if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ARI))
-		return;
-
 	bridge = dev->bus->self;
 	if (!bridge)
 		return;
@@ -2032,8 +2065,15 @@ void pci_enable_ari(struct pci_dev *dev)
 	if (!(cap & PCI_EXP_DEVCAP2_ARI))
 		return;
 
-	pcie_capability_set_word(bridge, PCI_EXP_DEVCTL2, PCI_EXP_DEVCTL2_ARI);
-	bridge->ari_enabled = 1;
+	if (pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ARI)) {
+		pcie_capability_set_word(bridge, PCI_EXP_DEVCTL2,
+					 PCI_EXP_DEVCTL2_ARI);
+		bridge->ari_enabled = 1;
+	} else {
+		pcie_capability_clear_word(bridge, PCI_EXP_DEVCTL2,
+					   PCI_EXP_DEVCTL2_ARI);
+		bridge->ari_enabled = 0;
+	}
 }
 
 /**
@@ -3709,18 +3749,6 @@ resource_size_t pci_specified_resource_alignment(struct pci_dev *dev)
 	return align;
 }
 
-/**
- * pci_is_reassigndev - check if specified PCI is target device to reassign
- * @dev: the PCI device to check
- *
- * RETURNS: non-zero for PCI device is a target device to reassign,
- *          or zero is not.
- */
-int pci_is_reassigndev(struct pci_dev *dev)
-{
-	return (pci_specified_resource_alignment(dev) != 0);
-}
-
 /*
  * This function disables memory decoding and releases memory resources
  * of the device specified by kernel's boot parameter 'pci=resource_alignment='.
@@ -3735,7 +3763,9 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev)
 	resource_size_t align, size;
 	u16 command;
 
-	if (!pci_is_reassigndev(dev))
+	/* check if specified PCI is target device to reassign */
+	align = pci_specified_resource_alignment(dev);
+	if (!align)
 		return;
 
 	if (dev->hdr_type == PCI_HEADER_TYPE_NORMAL &&
@@ -3751,7 +3781,6 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev)
 	command &= ~PCI_COMMAND_MEMORY;
 	pci_write_config_word(dev, PCI_COMMAND, command);
 
-	align = pci_specified_resource_alignment(dev);
 	for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) {
 		r = &dev->resource[i];
 		if (!(r->flags & IORESOURCE_MEM))
@@ -3825,7 +3854,7 @@ static int __init pci_resource_alignment_sysfs_init(void)
 
 late_initcall(pci_resource_alignment_sysfs_init);
 
-static void __devinit pci_no_domains(void)
+static void pci_no_domains(void)
 {
 #ifdef CONFIG_PCI_DOMAINS
 	pci_domains_supported = 0;
@@ -3833,14 +3862,13 @@ static void __devinit pci_no_domains(void)
 }
 
 /**
- * pci_ext_cfg_enabled - can we access extended PCI config space?
- * @dev: The PCI device of the root bridge.
+ * pci_ext_cfg_avail - can we access extended PCI config space?
  *
  * Returns 1 if we can access PCI extended config space (offsets
  * greater than 0xff). This is the default implementation. Architecture
  * implementations can override this.
  */
-int __weak pci_ext_cfg_avail(struct pci_dev *dev)
+int __weak pci_ext_cfg_avail(void)
 {
 	return 1;
 }
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index bacbcba..7346ee6 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -8,7 +8,6 @@
 
 /* Functions internal to the PCI core code */
 
-extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env);
 extern int pci_create_sysfs_dev_files(struct pci_dev *pdev);
 extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
 #if !defined(CONFIG_DMI) && !defined(CONFIG_ACPI)
@@ -44,9 +43,6 @@ int pci_probe_reset_function(struct pci_dev *dev);
  *                platform; to be used during system-wide transitions from a
  *                sleeping state to the working state and vice versa
  *
- * @can_wakeup: returns 'true' if given device is capable of waking up the
- *              system from a sleeping state
- *
  * @sleep_wake: enables/disables the system wake up capability of given device
  *
  * @run_wake: enables/disables the platform to generate run-time wake-up events
@@ -60,7 +56,6 @@ struct pci_platform_pm_ops {
 	bool (*is_manageable)(struct pci_dev *dev);
 	int (*set_state)(struct pci_dev *dev, pci_power_t state);
 	pci_power_t (*choose_state)(struct pci_dev *dev);
-	bool (*can_wakeup)(struct pci_dev *dev);
 	int (*sleep_wake)(struct pci_dev *dev, bool enable);
 	int (*run_wake)(struct pci_dev *dev, bool enable);
 };
@@ -72,8 +67,9 @@ extern void pci_disable_enabled_device(struct pci_dev *dev);
 extern int pci_finish_runtime_suspend(struct pci_dev *dev);
 extern int __pci_pme_wakeup(struct pci_dev *dev, void *ign);
 extern void pci_wakeup_bus(struct pci_bus *bus);
+extern void pci_config_pm_runtime_get(struct pci_dev *dev);
+extern void pci_config_pm_runtime_put(struct pci_dev *dev);
 extern void pci_pm_init(struct pci_dev *dev);
-extern void platform_pci_wakeup_init(struct pci_dev *dev);
 extern void pci_allocate_cap_save_buffers(struct pci_dev *dev);
 void pci_free_cap_save_buffers(struct pci_dev *dev);
 
@@ -157,11 +153,8 @@ static inline int pci_no_d1d2(struct pci_dev *dev)
 }
 extern struct device_attribute pci_dev_attrs[];
 extern struct device_attribute pcibus_dev_attrs[];
-#ifdef CONFIG_HOTPLUG
+extern struct device_type pci_dev_type;
 extern struct bus_attribute pci_bus_attrs[];
-#else
-#define pci_bus_attrs	NULL
-#endif
 
 
 /**
@@ -210,8 +203,8 @@ extern int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 				struct resource *res, unsigned int reg);
 extern int pci_resource_bar(struct pci_dev *dev, int resno,
 			    enum pci_bar_type *type);
-extern int pci_bus_add_child(struct pci_bus *bus);
-extern void pci_enable_ari(struct pci_dev *dev);
+extern void pci_configure_ari(struct pci_dev *dev);
+
 /**
  * pci_ari_enabled - query ARI forwarding status
  * @bus: the PCI bus
@@ -232,13 +225,14 @@ struct pci_sriov {
 	int nres;		/* number of resources */
 	u32 cap;		/* SR-IOV Capabilities */
 	u16 ctrl;		/* SR-IOV Control */
-	u16 total;		/* total VFs associated with the PF */
-	u16 initial;		/* initial VFs associated with the PF */
-	u16 nr_virtfn;		/* number of VFs available */
+	u16 total_VFs;		/* total VFs associated with the PF */
+	u16 initial_VFs;	/* initial VFs associated with the PF */
+	u16 num_VFs;		/* number of VFs available */
 	u16 offset;		/* first VF Routing ID offset */
 	u16 stride;		/* following VF stride */
 	u32 pgsz;		/* page size for BAR alignment */
 	u8 link;		/* Function Dependency Link */
+	u16 driver_max_VFs;	/* max num VFs driver supports */
 	struct pci_dev *dev;	/* lowest numbered PF */
 	struct pci_dev *self;	/* this PF */
 	struct mutex lock;	/* lock for VF bus */
diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig
index 6c8bc58..fde4a32 100644
--- a/drivers/pci/pcie/Kconfig
+++ b/drivers/pci/pcie/Kconfig
@@ -82,4 +82,4 @@ endchoice
 
 config PCIE_PME
 	def_bool y
-	depends on PCIEPORTBUS && PM_RUNTIME && EXPERIMENTAL && ACPI
+	depends on PCIEPORTBUS && PM_RUNTIME && ACPI
diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index 030cf12..76ef634 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -41,7 +41,7 @@ MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
 
-static int __devinit aer_probe(struct pcie_device *dev);
+static int aer_probe(struct pcie_device *dev);
 static void aer_remove(struct pcie_device *dev);
 static pci_ers_result_t aer_error_detected(struct pci_dev *dev,
 	enum pci_channel_state error);
@@ -300,7 +300,7 @@ static void aer_remove(struct pcie_device *dev)
  *
  * Invoked when PCI Express bus loads AER service driver.
  */
-static int __devinit aer_probe(struct pcie_device *dev)
+static int aer_probe(struct pcie_device *dev)
 {
 	int status;
 	struct aer_rpc *rpc;
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index 94a7598..22f840f 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -87,6 +87,9 @@ struct aer_broadcast_data {
 static inline pci_ers_result_t merge_result(enum pci_ers_result orig,
 		enum pci_ers_result new)
 {
+	if (new == PCI_ERS_RESULT_NO_AER_DRIVER)
+		return PCI_ERS_RESULT_NO_AER_DRIVER;
+
 	if (new == PCI_ERS_RESULT_NONE)
 		return orig;
 
@@ -97,7 +100,7 @@ static inline pci_ers_result_t merge_result(enum pci_ers_result orig,
 		break;
 	case PCI_ERS_RESULT_DISCONNECT:
 		if (new == PCI_ERS_RESULT_NEED_RESET)
-			orig = new;
+			orig = PCI_ERS_RESULT_NEED_RESET;
 		break;
 	default:
 		break;
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 06bad96..564d97f 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -213,6 +213,7 @@ static int report_error_detected(struct pci_dev *dev, void *data)
 	struct aer_broadcast_data *result_data;
 	result_data = (struct aer_broadcast_data *) data;
 
+	device_lock(&dev->dev);
 	dev->error_state = result_data->state;
 
 	if (!dev->driver ||
@@ -231,12 +232,28 @@ static int report_error_detected(struct pci_dev *dev, void *data)
 				   dev->driver ?
 				   "no AER-aware driver" : "no driver");
 		}
-		return 0;
+
+		/*
+		 * If there's any device in the subtree that does not
+		 * have an error_detected callback, returning
+		 * PCI_ERS_RESULT_NO_AER_DRIVER prevents calling of
+		 * the subsequent mmio_enabled/slot_reset/resume
+		 * callbacks of "any" device in the subtree. All the
+		 * devices in the subtree are left in the error state
+		 * without recovery.
+		 */
+
+		if (!(dev->hdr_type & PCI_HEADER_TYPE_BRIDGE))
+			vote = PCI_ERS_RESULT_NO_AER_DRIVER;
+		else
+			vote = PCI_ERS_RESULT_NONE;
+	} else {
+		err_handler = dev->driver->err_handler;
+		vote = err_handler->error_detected(dev, result_data->state);
 	}
 
-	err_handler = dev->driver->err_handler;
-	vote = err_handler->error_detected(dev, result_data->state);
 	result_data->result = merge_result(result_data->result, vote);
+	device_unlock(&dev->dev);
 	return 0;
 }
 
@@ -247,14 +264,17 @@ static int report_mmio_enabled(struct pci_dev *dev, void *data)
 	struct aer_broadcast_data *result_data;
 	result_data = (struct aer_broadcast_data *) data;
 
+	device_lock(&dev->dev);
 	if (!dev->driver ||
 		!dev->driver->err_handler ||
 		!dev->driver->err_handler->mmio_enabled)
-		return 0;
+		goto out;
 
 	err_handler = dev->driver->err_handler;
 	vote = err_handler->mmio_enabled(dev);
 	result_data->result = merge_result(result_data->result, vote);
+out:
+	device_unlock(&dev->dev);
 	return 0;
 }
 
@@ -265,14 +285,17 @@ static int report_slot_reset(struct pci_dev *dev, void *data)
 	struct aer_broadcast_data *result_data;
 	result_data = (struct aer_broadcast_data *) data;
 
+	device_lock(&dev->dev);
 	if (!dev->driver ||
 		!dev->driver->err_handler ||
 		!dev->driver->err_handler->slot_reset)
-		return 0;
+		goto out;
 
 	err_handler = dev->driver->err_handler;
 	vote = err_handler->slot_reset(dev);
 	result_data->result = merge_result(result_data->result, vote);
+out:
+	device_unlock(&dev->dev);
 	return 0;
 }
 
@@ -280,15 +303,18 @@ static int report_resume(struct pci_dev *dev, void *data)
 {
 	const struct pci_error_handlers *err_handler;
 
+	device_lock(&dev->dev);
 	dev->error_state = pci_channel_io_normal;
 
 	if (!dev->driver ||
 		!dev->driver->err_handler ||
 		!dev->driver->err_handler->resume)
-		return 0;
+		goto out;
 
 	err_handler = dev->driver->err_handler;
 	err_handler->resume(dev);
+out:
+	device_unlock(&dev->dev);
 	return 0;
 }
 
@@ -604,6 +630,7 @@ static void aer_recover_work_func(struct work_struct *work)
 			continue;
 		}
 		do_recovery(pdev, entry.severity);
+		pci_dev_put(pdev);
 	}
 }
 #endif
diff --git a/drivers/pci/pcie/aer/aerdrv_errprint.c b/drivers/pci/pcie/aer/aerdrv_errprint.c
index 3ea5173..5ab1425 100644
--- a/drivers/pci/pcie/aer/aerdrv_errprint.c
+++ b/drivers/pci/pcie/aer/aerdrv_errprint.c
@@ -23,6 +23,9 @@
 
 #include "aerdrv.h"
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/ras.h>
+
 #define AER_AGENT_RECEIVER		0
 #define AER_AGENT_REQUESTER		1
 #define AER_AGENT_COMPLETER		2
@@ -121,12 +124,11 @@ static const char *aer_agent_string[] = {
 	"Transmitter ID"
 };
 
-static void __aer_print_error(const char *prefix,
+static void __aer_print_error(struct pci_dev *dev,
 			      struct aer_err_info *info)
 {
 	int i, status;
 	const char *errmsg = NULL;
-
 	status = (info->status & ~info->mask);
 
 	for (i = 0; i < 32; i++) {
@@ -141,26 +143,22 @@ static void __aer_print_error(const char *prefix,
 				aer_uncorrectable_error_string[i] : NULL;
 
 		if (errmsg)
-			printk("%s""   [%2d] %-22s%s\n", prefix, i, errmsg,
+			dev_err(&dev->dev, "   [%2d] %-22s%s\n", i, errmsg,
 				info->first_error == i ? " (First)" : "");
 		else
-			printk("%s""   [%2d] Unknown Error Bit%s\n", prefix, i,
-				info->first_error == i ? " (First)" : "");
+			dev_err(&dev->dev, "   [%2d] Unknown Error Bit%s\n",
+				i, info->first_error == i ? " (First)" : "");
 	}
 }
 
 void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
 {
 	int id = ((dev->bus->number << 8) | dev->devfn);
-	char prefix[44];
-
-	snprintf(prefix, sizeof(prefix), "%s%s %s: ",
-		 (info->severity == AER_CORRECTABLE) ? KERN_WARNING : KERN_ERR,
-		 dev_driver_string(&dev->dev), dev_name(&dev->dev));
 
 	if (info->status == 0) {
-		printk("%s""PCIe Bus Error: severity=%s, type=Unaccessible, "
-			"id=%04x(Unregistered Agent ID)\n", prefix,
+		dev_err(&dev->dev,
+			"PCIe Bus Error: severity=%s, type=Unaccessible, "
+			"id=%04x(Unregistered Agent ID)\n",
 			aer_error_severity_string[info->severity], id);
 	} else {
 		int layer, agent;
@@ -168,22 +166,24 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
 		layer = AER_GET_LAYER_ERROR(info->severity, info->status);
 		agent = AER_GET_AGENT(info->severity, info->status);
 
-		printk("%s""PCIe Bus Error: severity=%s, type=%s, id=%04x(%s)\n",
-			prefix, aer_error_severity_string[info->severity],
+		dev_err(&dev->dev,
+			"PCIe Bus Error: severity=%s, type=%s, id=%04x(%s)\n",
+			aer_error_severity_string[info->severity],
 			aer_error_layer[layer], id, aer_agent_string[agent]);
 
-		printk("%s""  device [%04x:%04x] error status/mask=%08x/%08x\n",
-			prefix, dev->vendor, dev->device,
+		dev_err(&dev->dev,
+			"  device [%04x:%04x] error status/mask=%08x/%08x\n",
+			dev->vendor, dev->device,
 			info->status, info->mask);
 
-		__aer_print_error(prefix, info);
+		__aer_print_error(dev, info);
 
 		if (info->tlp_header_valid) {
 			unsigned char *tlp = (unsigned char *) &info->tlp;
-			printk("%s""  TLP Header:"
+			dev_err(&dev->dev, "  TLP Header:"
 				" %02x%02x%02x%02x %02x%02x%02x%02x"
 				" %02x%02x%02x%02x %02x%02x%02x%02x\n",
-				prefix, *(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
+				*(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
 				*(tlp + 7), *(tlp + 6), *(tlp + 5), *(tlp + 4),
 				*(tlp + 11), *(tlp + 10), *(tlp + 9),
 				*(tlp + 8), *(tlp + 15), *(tlp + 14),
@@ -192,8 +192,11 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
 	}
 
 	if (info->id && info->error_dev_num > 1 && info->id == id)
-		printk("%s""  Error of this Agent(%04x) is reported first\n",
-			prefix, id);
+		dev_err(&dev->dev,
+			   "  Error of this Agent(%04x) is reported first\n",
+			id);
+	trace_aer_event(dev_name(&dev->dev), (info->status & ~info->mask),
+			info->severity);
 }
 
 void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info)
@@ -217,7 +220,7 @@ int cper_severity_to_aer(int cper_severity)
 }
 EXPORT_SYMBOL_GPL(cper_severity_to_aer);
 
-void cper_print_aer(const char *prefix, int cper_severity,
+void cper_print_aer(const char *prefix, struct pci_dev *dev, int cper_severity,
 		    struct aer_capability_regs *aer)
 {
 	int aer_severity, layer, agent, status_strs_size, tlp_header_valid = 0;
@@ -239,25 +242,27 @@ void cper_print_aer(const char *prefix, int cper_severity,
 	}
 	layer = AER_GET_LAYER_ERROR(aer_severity, status);
 	agent = AER_GET_AGENT(aer_severity, status);
-	printk("%s""aer_status: 0x%08x, aer_mask: 0x%08x\n",
-	       prefix, status, mask);
+	dev_err(&dev->dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n",
+	       status, mask);
 	cper_print_bits(prefix, status, status_strs, status_strs_size);
-	printk("%s""aer_layer=%s, aer_agent=%s\n", prefix,
+	dev_err(&dev->dev, "aer_layer=%s, aer_agent=%s\n",
 	       aer_error_layer[layer], aer_agent_string[agent]);
 	if (aer_severity != AER_CORRECTABLE)
-		printk("%s""aer_uncor_severity: 0x%08x\n",
-		       prefix, aer->uncor_severity);
+		dev_err(&dev->dev, "aer_uncor_severity: 0x%08x\n",
+		       aer->uncor_severity);
 	if (tlp_header_valid) {
 		const unsigned char *tlp;
 		tlp = (const unsigned char *)&aer->header_log;
-		printk("%s""aer_tlp_header:"
+		dev_err(&dev->dev, "aer_tlp_header:"
 			" %02x%02x%02x%02x %02x%02x%02x%02x"
 			" %02x%02x%02x%02x %02x%02x%02x%02x\n",
-			prefix, *(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
+			*(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
 			*(tlp + 7), *(tlp + 6), *(tlp + 5), *(tlp + 4),
 			*(tlp + 11), *(tlp + 10), *(tlp + 9),
 			*(tlp + 8), *(tlp + 15), *(tlp + 14),
 			*(tlp + 13), *(tlp + 12));
 	}
+	trace_aer_event(dev_name(&dev->dev), (status & ~mask),
+			aer_severity);
 }
 #endif
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 213753b..d320df6 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -242,8 +242,7 @@ static void pcie_aspm_configure_common_clock(struct pcie_link_state *link)
 		return;
 
 	/* Training failed. Restore common clock configurations */
-	dev_printk(KERN_ERR, &parent->dev,
-		   "ASPM: Could not configure common clock\n");
+	dev_err(&parent->dev, "ASPM: Could not configure common clock\n");
 	list_for_each_entry(child, &linkbus->devices, bus_list)
 		pcie_capability_write_word(child, PCI_EXP_LNKCTL,
 					   child_reg[PCI_FUNC(child->devfn)]);
@@ -427,7 +426,8 @@ static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist)
 
 static void pcie_config_aspm_dev(struct pci_dev *pdev, u32 val)
 {
-	pcie_capability_clear_and_set_word(pdev, PCI_EXP_LNKCTL, 0x3, val);
+	pcie_capability_clear_and_set_word(pdev, PCI_EXP_LNKCTL,
+					   PCI_EXP_LNKCTL_ASPMC, val);
 }
 
 static void pcie_config_aspm_link(struct pcie_link_state *link, u32 state)
@@ -442,12 +442,12 @@ static void pcie_config_aspm_link(struct pcie_link_state *link, u32 state)
 		return;
 	/* Convert ASPM state to upstream/downstream ASPM register state */
 	if (state & ASPM_STATE_L0S_UP)
-		dwstream |= PCIE_LINK_STATE_L0S;
+		dwstream |= PCI_EXP_LNKCTL_ASPM_L0S;
 	if (state & ASPM_STATE_L0S_DW)
-		upstream |= PCIE_LINK_STATE_L0S;
+		upstream |= PCI_EXP_LNKCTL_ASPM_L0S;
 	if (state & ASPM_STATE_L1) {
-		upstream |= PCIE_LINK_STATE_L1;
-		dwstream |= PCIE_LINK_STATE_L1;
+		upstream |= PCI_EXP_LNKCTL_ASPM_L1;
+		dwstream |= PCI_EXP_LNKCTL_ASPM_L1;
 	}
 	/*
 	 * Spec 2.0 suggests all functions should be configured the
@@ -507,9 +507,7 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
 		 */
 		pcie_capability_read_dword(child, PCI_EXP_DEVCAP, &reg32);
 		if (!(reg32 & PCI_EXP_DEVCAP_RBER) && !aspm_force) {
-			dev_printk(KERN_INFO, &child->dev, "disabling ASPM"
-				" on pre-1.1 PCIe device.  You can enable it"
-				" with 'pcie_aspm=force'\n");
+			dev_info(&child->dev, "disabling ASPM on pre-1.1 PCIe device.  You can enable it with 'pcie_aspm=force'\n");
 			return -EINVAL;
 		}
 	}
@@ -558,6 +556,9 @@ void pcie_aspm_init_link_state(struct pci_dev *pdev)
 	struct pcie_link_state *link;
 	int blacklist = !!pcie_aspm_sanity_check(pdev);
 
+	if (!aspm_support_enabled)
+		return;
+
 	if (!pci_is_pcie(pdev) || pdev->link_state)
 		return;
 	if (pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT &&
@@ -636,10 +637,7 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev)
 	struct pci_dev *parent = pdev->bus->self;
 	struct pcie_link_state *link, *root, *parent_link;
 
-	if (!pci_is_pcie(pdev) || !parent || !parent->link_state)
-		return;
-	if ((pci_pcie_type(parent) != PCI_EXP_TYPE_ROOT_PORT) &&
-	    (pci_pcie_type(parent) != PCI_EXP_TYPE_DOWNSTREAM))
+	if (!parent || !parent->link_state)
 		return;
 
 	down_read(&pci_bus_sem);
@@ -773,6 +771,9 @@ void pcie_clear_aspm(struct pci_bus *bus)
 {
 	struct pci_dev *child;
 
+	if (aspm_force)
+		return;
+
 	/*
 	 * Clear any ASPM setup that the firmware has carried out on this bus
 	 */
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index d03a7a3..31063ac 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -120,8 +120,7 @@ static int pcie_port_enable_msix(struct pci_dev *dev, int *vectors, int mask)
 		 * the value in this field indicates which MSI-X Table entry is
 		 * used to generate the interrupt message."
 		 */
-		pos = pci_pcie_cap(dev);
-		pci_read_config_word(dev, pos + PCI_EXP_FLAGS, &reg16);
+		pcie_capability_read_word(dev, PCI_EXP_FLAGS, &reg16);
 		entry = (reg16 & PCI_EXP_FLAGS_IRQ) >> 9;
 		if (entry >= nr_entries)
 			goto Error;
@@ -272,7 +271,8 @@ static int get_port_device_capability(struct pci_dev *dev)
 	}
 
 	/* Hot-Plug Capable */
-	if (cap_mask & PCIE_PORT_SERVICE_HP) {
+	if ((cap_mask & PCIE_PORT_SERVICE_HP) &&
+	    pcie_caps_reg(dev) & PCI_EXP_FLAGS_SLOT) {
 		pcie_capability_read_dword(dev, PCI_EXP_SLTCAP, &reg32);
 		if (reg32 & PCI_EXP_SLTCAP_HPC) {
 			services |= PCIE_PORT_SERVICE_HP;
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 0761d90..08c243a 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -134,10 +134,28 @@ static int pcie_port_runtime_resume(struct device *dev)
 	return 0;
 }
 
+static int pci_dev_pme_poll(struct pci_dev *pdev, void *data)
+{
+	bool *pme_poll = data;
+
+	if (pdev->pme_poll)
+		*pme_poll = true;
+	return 0;
+}
+
 static int pcie_port_runtime_idle(struct device *dev)
 {
+	struct pci_dev *pdev = to_pci_dev(dev);
+	bool pme_poll = false;
+
+	/*
+	 * If any subordinate device needs pme poll, we should keep
+	 * the port in D0, because we need port in D0 to poll it.
+	 */
+	pci_walk_bus(pdev->subordinate, pci_dev_pme_poll, &pme_poll);
 	/* Delay for a short while to prevent too frequent suspend/resume */
-	pm_schedule_suspend(dev, 10);
+	if (!pme_poll)
+		pm_schedule_suspend(dev, 10);
 	return -EBUSY;
 }
 #else
@@ -182,7 +200,7 @@ static const struct pci_device_id port_runtime_pm_black_list[] = {
  * this port device.
  *
  */
-static int __devinit pcie_portdrv_probe(struct pci_dev *dev,
+static int pcie_portdrv_probe(struct pci_dev *dev,
 					const struct pci_device_id *id)
 {
 	int status;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index ec909af..b494066 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -305,7 +305,7 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom)
 	}
 }
 
-static void __devinit pci_read_bridge_io(struct pci_bus *child)
+static void pci_read_bridge_io(struct pci_bus *child)
 {
 	struct pci_dev *dev = child->self;
 	u8 io_base_lo, io_limit_lo;
@@ -345,7 +345,7 @@ static void __devinit pci_read_bridge_io(struct pci_bus *child)
 	}
 }
 
-static void __devinit pci_read_bridge_mmio(struct pci_bus *child)
+static void pci_read_bridge_mmio(struct pci_bus *child)
 {
 	struct pci_dev *dev = child->self;
 	u16 mem_base_lo, mem_limit_lo;
@@ -367,7 +367,7 @@ static void __devinit pci_read_bridge_mmio(struct pci_bus *child)
 	}
 }
 
-static void __devinit pci_read_bridge_mmio_pref(struct pci_bus *child)
+static void pci_read_bridge_mmio_pref(struct pci_bus *child)
 {
 	struct pci_dev *dev = child->self;
 	u16 mem_base_lo, mem_limit_lo;
@@ -417,7 +417,7 @@ static void __devinit pci_read_bridge_mmio_pref(struct pci_bus *child)
 	}
 }
 
-void __devinit pci_read_bridge_bases(struct pci_bus *child)
+void pci_read_bridge_bases(struct pci_bus *child)
 {
 	struct pci_dev *dev = child->self;
 	struct resource *res;
@@ -521,7 +521,7 @@ static unsigned char pcie_link_speed[] = {
 
 void pcie_update_link_speed(struct pci_bus *bus, u16 linksta)
 {
-	bus->cur_bus_speed = pcie_link_speed[linksta & 0xf];
+	bus->cur_bus_speed = pcie_link_speed[linksta & PCI_EXP_LNKSTA_CLS];
 }
 EXPORT_SYMBOL_GPL(pcie_update_link_speed);
 
@@ -579,14 +579,16 @@ static void pci_set_bus_speed(struct pci_bus *bus)
 	if (pos) {
 		u16 status;
 		enum pci_bus_speed max;
-		pci_read_config_word(bridge, pos + 2, &status);
 
-		if (status & 0x8000) {
+		pci_read_config_word(bridge, pos + PCI_X_BRIDGE_SSTATUS,
+				     &status);
+
+		if (status & PCI_X_SSTATUS_533MHZ) {
 			max = PCI_SPEED_133MHz_PCIX_533;
-		} else if (status & 0x4000) {
+		} else if (status & PCI_X_SSTATUS_266MHZ) {
 			max = PCI_SPEED_133MHz_PCIX_266;
-		} else if (status & 0x0002) {
-			if (((status >> 12) & 0x3) == 2) {
+		} else if (status & PCI_X_SSTATUS_133MHZ) {
+			if ((status & PCI_X_SSTATUS_VERS) == PCI_X_SSTATUS_V2) {
 				max = PCI_SPEED_133MHz_PCIX_ECC;
 			} else {
 				max = PCI_SPEED_133MHz_PCIX;
@@ -596,7 +598,8 @@ static void pci_set_bus_speed(struct pci_bus *bus)
 		}
 
 		bus->max_bus_speed = max;
-		bus->cur_bus_speed = pcix_bus_speed[(status >> 6) & 0xf];
+		bus->cur_bus_speed = pcix_bus_speed[
+			(status & PCI_X_SSTATUS_FREQ) >> 6];
 
 		return;
 	}
@@ -607,7 +610,7 @@ static void pci_set_bus_speed(struct pci_bus *bus)
 		u16 linksta;
 
 		pcie_capability_read_dword(bridge, PCI_EXP_LNKCAP, &linkcap);
-		bus->max_bus_speed = pcie_link_speed[linkcap & 0xf];
+		bus->max_bus_speed = pcie_link_speed[linkcap & PCI_EXP_LNKCAP_SLS];
 
 		pcie_capability_read_word(bridge, PCI_EXP_LNKSTA, &linksta);
 		pcie_update_link_speed(bus, linksta);
@@ -620,6 +623,7 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
 {
 	struct pci_bus *child;
 	int i;
+	int ret;
 
 	/*
 	 * Allocate a new bus, and inherit stuff from the parent..
@@ -634,8 +638,7 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
 	child->bus_flags = parent->bus_flags;
 
 	/* initialize some portions of the bus device, but don't register it
-	 * now as the parent is not properly set up yet.  This device will get
-	 * registered later in pci_bus_add_devices()
+	 * now as the parent is not properly set up yet.
 	 */
 	child->dev.class = &pcibus_class;
 	dev_set_name(&child->dev, "%04x:%02x", pci_domain_nr(child), busnr);
@@ -648,11 +651,14 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
 	child->primary = parent->busn_res.start;
 	child->busn_res.end = 0xff;
 
-	if (!bridge)
-		return child;
+	if (!bridge) {
+		child->dev.parent = parent->bridge;
+		goto add_dev;
+	}
 
 	child->self = bridge;
 	child->bridge = get_device(&bridge->dev);
+	child->dev.parent = child->bridge;
 	pci_set_bus_of_node(child);
 	pci_set_bus_speed(child);
 
@@ -663,6 +669,13 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
 	}
 	bridge->subordinate = child;
 
+add_dev:
+	ret = device_register(&child->dev);
+	WARN_ON(ret < 0);
+
+	/* Create legacy_io and legacy_mem files for this bus */
+	pci_create_legacy_files(child);
+
 	return child;
 }
 
@@ -705,7 +718,7 @@ static void pci_fixup_parent_subordinate_busnr(struct pci_bus *child, int max)
  * them, we proceed to assigning numbers to the remaining buses in
  * order to avoid overlaps between old and new bus numbers.
  */
-int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
+int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
 {
 	struct pci_bus *child;
 	int is_cardbus = (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS);
@@ -975,6 +988,7 @@ int pci_setup_device(struct pci_dev *dev)
 	dev->sysdata = dev->bus->sysdata;
 	dev->dev.parent = dev->bus->bridge;
 	dev->dev.bus = &pci_bus_type;
+	dev->dev.type = &pci_dev_type;
 	dev->hdr_type = hdr_type & 0x7f;
 	dev->multifunction = !!(hdr_type & 0x80);
 	dev->error_state = pci_channel_io_normal;
@@ -1276,13 +1290,12 @@ static void pci_init_capabilities(struct pci_dev *dev)
 
 	/* Power Management */
 	pci_pm_init(dev);
-	platform_pci_wakeup_init(dev);
 
 	/* Vital Product Data */
 	pci_vpd_pci22_init(dev);
 
 	/* Alternative Routing-ID Forwarding */
-	pci_enable_ari(dev);
+	pci_configure_ari(dev);
 
 	/* Single Root I/O Virtualization */
 	pci_iov_init(dev);
@@ -1293,10 +1306,12 @@ static void pci_init_capabilities(struct pci_dev *dev)
 
 void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
 {
+	int ret;
+
 	device_initialize(&dev->dev);
 	dev->dev.release = pci_release_dev;
-	pci_dev_get(dev);
 
+	set_dev_node(&dev->dev, pcibus_to_node(bus));
 	dev->dev.dma_mask = &dev->dma_mask;
 	dev->dev.dma_parms = &dev->dma_parms;
 	dev->dev.coherent_dma_mask = 0xffffffffull;
@@ -1323,6 +1338,17 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
 	down_write(&pci_bus_sem);
 	list_add_tail(&dev->bus_list, &bus->devices);
 	up_write(&pci_bus_sem);
+
+	pci_fixup_device(pci_fixup_final, dev);
+	ret = pcibios_add_device(dev);
+	WARN_ON(ret < 0);
+
+	/* Notifier could use PCI capabilities */
+	dev->match_driver = false;
+	ret = device_add(&dev->dev);
+	WARN_ON(ret < 0);
+
+	pci_proc_attach_device(dev);
 }
 
 struct pci_dev *__ref pci_scan_single_device(struct pci_bus *bus, int devfn)
@@ -1345,31 +1371,31 @@ struct pci_dev *__ref pci_scan_single_device(struct pci_bus *bus, int devfn)
 }
 EXPORT_SYMBOL(pci_scan_single_device);
 
-static unsigned next_ari_fn(struct pci_dev *dev, unsigned fn)
+static unsigned next_fn(struct pci_bus *bus, struct pci_dev *dev, unsigned fn)
 {
-	u16 cap;
-	unsigned pos, next_fn;
+	int pos;
+	u16 cap = 0;
+	unsigned next_fn;
 
-	if (!dev)
-		return 0;
+	if (pci_ari_enabled(bus)) {
+		if (!dev)
+			return 0;
+		pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ARI);
+		if (!pos)
+			return 0;
 
-	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ARI);
-	if (!pos)
-		return 0;
-	pci_read_config_word(dev, pos + 4, &cap);
-	next_fn = cap >> 8;
-	if (next_fn <= fn)
-		return 0;
-	return next_fn;
-}
+		pci_read_config_word(dev, pos + PCI_ARI_CAP, &cap);
+		next_fn = PCI_ARI_CAP_NFN(cap);
+		if (next_fn <= fn)
+			return 0;	/* protect against malformed list */
 
-static unsigned next_trad_fn(struct pci_dev *dev, unsigned fn)
-{
-	return (fn + 1) % 8;
-}
+		return next_fn;
+	}
+
+	/* dev may be NULL for non-contiguous multifunction devices */
+	if (!dev || dev->multifunction)
+		return (fn + 1) % 8;
 
-static unsigned no_next_fn(struct pci_dev *dev, unsigned fn)
-{
 	return 0;
 }
 
@@ -1402,7 +1428,6 @@ int pci_scan_slot(struct pci_bus *bus, int devfn)
 {
 	unsigned fn, nr = 0;
 	struct pci_dev *dev;
-	unsigned (*next_fn)(struct pci_dev *, unsigned) = no_next_fn;
 
 	if (only_one_child(bus) && (devfn > 0))
 		return 0; /* Already scanned the entire slot */
@@ -1413,12 +1438,7 @@ int pci_scan_slot(struct pci_bus *bus, int devfn)
 	if (!dev->is_added)
 		nr++;
 
-	if (pci_ari_enabled(bus))
-		next_fn = next_ari_fn;
-	else if (dev->multifunction)
-		next_fn = next_trad_fn;
-
-	for (fn = next_fn(dev, 0); fn > 0; fn = next_fn(dev, fn)) {
+	for (fn = next_fn(bus, dev, 0); fn > 0; fn = next_fn(bus, dev, fn)) {
 		dev = pci_scan_single_device(bus, devfn + fn);
 		if (dev) {
 			if (!dev->is_added)
@@ -1586,7 +1606,7 @@ void pcie_bus_configure_settings(struct pci_bus *bus, u8 mpss)
 }
 EXPORT_SYMBOL_GPL(pcie_bus_configure_settings);
 
-unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus)
+unsigned int pci_scan_child_bus(struct pci_bus *bus)
 {
 	unsigned int devfn, pass, max = bus->busn_res.start;
 	struct pci_dev *dev;
@@ -1629,6 +1649,18 @@ unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus)
 	return max;
 }
 
+/**
+ * pcibios_root_bridge_prepare - Platform-specific host bridge setup.
+ * @bridge: Host bridge to set up.
+ *
+ * Default empty implementation.  Replace with an architecture-specific setup
+ * routine, if necessary.
+ */
+int __weak pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
+{
+	return 0;
+}
+
 struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
 		struct pci_ops *ops, void *sysdata, struct list_head *resources)
 {
@@ -1641,13 +1673,13 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
 	char bus_addr[64];
 	char *fmt;
 
-
 	b = pci_alloc_bus();
 	if (!b)
 		return NULL;
 
 	b->sysdata = sysdata;
 	b->ops = ops;
+	b->number = b->busn_res.start = bus;
 	b2 = pci_find_bus(pci_domain_nr(b), bus);
 	if (b2) {
 		/* If we already got to this bus through a different bridge, ignore it */
@@ -1662,6 +1694,10 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
 	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 = pcibios_root_bridge_prepare(bridge);
+	if (error)
+		goto bridge_dev_reg_err;
+
 	error = device_register(&bridge->dev);
 	if (error)
 		goto bridge_dev_reg_err;
@@ -1682,8 +1718,6 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
 	/* Create legacy_io and legacy_mem files for this bus */
 	pci_create_legacy_files(b);
 
-	b->number = b->busn_res.start = bus;
-
 	if (parent)
 		dev_info(parent, "PCI host bridge to bus %s\n", dev_name(&b->dev));
 	else
@@ -1790,7 +1824,7 @@ void pci_bus_release_busn_res(struct pci_bus *b)
 			res, ret ? "can not be" : "is");
 }
 
-struct pci_bus * __devinit pci_scan_root_bus(struct device *parent, int bus,
+struct pci_bus *pci_scan_root_bus(struct device *parent, int bus,
 		struct pci_ops *ops, void *sysdata, struct list_head *resources)
 {
 	struct pci_host_bridge_window *window;
@@ -1826,7 +1860,7 @@ struct pci_bus * __devinit pci_scan_root_bus(struct device *parent, int bus,
 EXPORT_SYMBOL(pci_scan_root_bus);
 
 /* Deprecated; use pci_scan_root_bus() instead */
-struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent,
+struct pci_bus *pci_scan_bus_parented(struct device *parent,
 		int bus, struct pci_ops *ops, void *sysdata)
 {
 	LIST_HEAD(resources);
@@ -1844,7 +1878,7 @@ struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent,
 }
 EXPORT_SYMBOL(pci_scan_bus_parented);
 
-struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops,
+struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops,
 					void *sysdata)
 {
 	LIST_HEAD(resources);
@@ -1864,7 +1898,6 @@ struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops,
 }
 EXPORT_SYMBOL(pci_scan_bus);
 
-#ifdef CONFIG_HOTPLUG
 /**
  * pci_rescan_bus_bridge_resize - scan a PCI bus for devices.
  * @bridge: PCI bridge for the bus to scan
@@ -1890,11 +1923,32 @@ unsigned int __ref pci_rescan_bus_bridge_resize(struct pci_dev *bridge)
 	return max;
 }
 
+/**
+ * pci_rescan_bus - scan a PCI bus for devices.
+ * @bus: PCI bus to scan
+ *
+ * Scan a PCI bus and child buses for new devices, adds them,
+ * and enables them.
+ *
+ * Returns the max number of subordinate bus discovered.
+ */
+unsigned int __ref pci_rescan_bus(struct pci_bus *bus)
+{
+	unsigned int max;
+
+	max = pci_scan_child_bus(bus);
+	pci_assign_unassigned_bus_resources(bus);
+	pci_enable_bridges(bus);
+	pci_bus_add_devices(bus);
+
+	return max;
+}
+EXPORT_SYMBOL_GPL(pci_rescan_bus);
+
 EXPORT_SYMBOL(pci_add_new_bus);
 EXPORT_SYMBOL(pci_scan_slot);
 EXPORT_SYMBOL(pci_scan_bridge);
 EXPORT_SYMBOL_GPL(pci_scan_child_bus);
-#endif
 
 static int __init pci_sort_bf_cmp(const struct device *d_a, const struct device *d_b)
 {
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index eb907a8f..0b00947 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -21,7 +21,7 @@ static loff_t
 proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
 {
 	loff_t new = -1;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	mutex_lock(&inode->i_mutex);
 	switch (whence) {
@@ -46,7 +46,7 @@ proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
 static ssize_t
 proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
 {
-	const struct inode *ino = file->f_path.dentry->d_inode;
+	const struct inode *ino = file_inode(file);
 	const struct proc_dir_entry *dp = PDE(ino);
 	struct pci_dev *dev = dp->data;
 	unsigned int pos = *ppos;
@@ -76,6 +76,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
 	if (!access_ok(VERIFY_WRITE, buf, cnt))
 		return -EINVAL;
 
+	pci_config_pm_runtime_get(dev);
+
 	if ((pos & 1) && cnt) {
 		unsigned char val;
 		pci_user_read_config_byte(dev, pos, &val);
@@ -121,6 +123,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
 		cnt--;
 	}
 
+	pci_config_pm_runtime_put(dev);
+
 	*ppos = pos;
 	return nbytes;
 }
@@ -128,7 +132,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
 static ssize_t
 proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, loff_t *ppos)
 {
-	struct inode *ino = file->f_path.dentry->d_inode;
+	struct inode *ino = file_inode(file);
 	const struct proc_dir_entry *dp = PDE(ino);
 	struct pci_dev *dev = dp->data;
 	int pos = *ppos;
@@ -146,6 +150,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
 	if (!access_ok(VERIFY_READ, buf, cnt))
 		return -EINVAL;
 
+	pci_config_pm_runtime_get(dev);
+
 	if ((pos & 1) && cnt) {
 		unsigned char val;
 		__get_user(val, buf);
@@ -191,6 +197,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
 		cnt--;
 	}
 
+	pci_config_pm_runtime_put(dev);
+
 	*ppos = pos;
 	i_size_write(ino, dp->size);
 	return nbytes;
@@ -204,7 +212,7 @@ struct pci_filp_private {
 static long proc_bus_pci_ioctl(struct file *file, unsigned int cmd,
 			       unsigned long arg)
 {
-	const struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
+	const struct proc_dir_entry *dp = PDE(file_inode(file));
 	struct pci_dev *dev = dp->data;
 #ifdef HAVE_PCI_MMAP
 	struct pci_filp_private *fpriv = file->private_data;
@@ -245,7 +253,7 @@ static long proc_bus_pci_ioctl(struct file *file, unsigned int cmd,
 #ifdef HAVE_PCI_MMAP
 static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	const struct proc_dir_entry *dp = PDE(inode);
 	struct pci_dev *dev = dp->data;
 	struct pci_filp_private *fpriv = file->private_data;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 7a451ff..0369fb6 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -37,7 +37,7 @@
  * key system devices. For devices that need to have mmio decoding always-on,
  * we need to set the dev->mmio_always_on bit.
  */
-static void __devinit quirk_mmio_always_on(struct pci_dev *dev)
+static void quirk_mmio_always_on(struct pci_dev *dev)
 {
 	dev->mmio_always_on = 1;
 }
@@ -48,7 +48,7 @@ DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_ANY_ID, PCI_ANY_ID,
  * Mark this device with a broken_parity_status, to allow
  * PCI scanning code to "skip" this now blacklisted device.
  */
-static void __devinit quirk_mellanox_tavor(struct pci_dev *dev)
+static void quirk_mellanox_tavor(struct pci_dev *dev)
 {
 	dev->broken_parity_status = 1;	/* This device gives false positives */
 }
@@ -83,7 +83,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82441,	quirk_p
     This appears to be BIOS not version dependent. So presumably there is a 
     chipset level fix */
     
-static void __devinit quirk_isa_dma_hangs(struct pci_dev *dev)
+static void quirk_isa_dma_hangs(struct pci_dev *dev)
 {
 	if (!isa_dma_bridge_buggy) {
 		isa_dma_bridge_buggy=1;
@@ -106,7 +106,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,	PCI_DEVICE_ID_NEC_CBUS_3,	quirk_isa_d
  * Intel NM10 "TigerPoint" LPC PM1a_STS.BM_STS must be clear
  * for some HT machines to use C4 w/o hanging.
  */
-static void __devinit quirk_tigerpoint_bm_sts(struct pci_dev *dev)
+static void quirk_tigerpoint_bm_sts(struct pci_dev *dev)
 {
 	u32 pmbase;
 	u16 pm1a;
@@ -125,7 +125,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TGP_LPC, quirk
 /*
  *	Chipsets where PCI->PCI transfers vanish or hang
  */
-static void __devinit quirk_nopcipci(struct pci_dev *dev)
+static void quirk_nopcipci(struct pci_dev *dev)
 {
 	if ((pci_pci_problems & PCIPCI_FAIL)==0) {
 		dev_info(&dev->dev, "Disabling direct PCI/PCI transfers\n");
@@ -135,7 +135,7 @@ static void __devinit quirk_nopcipci(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_5597,		quirk_nopcipci);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_496,		quirk_nopcipci);
 
-static void __devinit quirk_nopciamd(struct pci_dev *dev)
+static void quirk_nopciamd(struct pci_dev *dev)
 {
 	u8 rev;
 	pci_read_config_byte(dev, 0x08, &rev);
@@ -150,7 +150,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_8151_0,	quirk_nopci
 /*
  *	Triton requires workarounds to be used by the drivers
  */
-static void __devinit quirk_triton(struct pci_dev *dev)
+static void quirk_triton(struct pci_dev *dev)
 {
 	if ((pci_pci_problems&PCIPCI_TRITON)==0) {
 		dev_info(&dev->dev, "Limiting direct PCI/PCI transfers\n");
@@ -229,7 +229,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8361,		quirk_viala
 /*
  *	VIA Apollo VP3 needs ETBF on BT848/878
  */
-static void __devinit quirk_viaetbf(struct pci_dev *dev)
+static void quirk_viaetbf(struct pci_dev *dev)
 {
 	if ((pci_pci_problems&PCIPCI_VIAETBF)==0) {
 		dev_info(&dev->dev, "Limiting direct PCI/PCI transfers\n");
@@ -238,7 +238,7 @@ static void __devinit quirk_viaetbf(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C597_0,	quirk_viaetbf);
 
-static void __devinit quirk_vsfx(struct pci_dev *dev)
+static void quirk_vsfx(struct pci_dev *dev)
 {
 	if ((pci_pci_problems&PCIPCI_VSFX)==0) {
 		dev_info(&dev->dev, "Limiting direct PCI/PCI transfers\n");
@@ -253,7 +253,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C576,	quirk_vsfx)
  *	workaround applied too
  *	[Info kindly provided by ALi]
  */	
-static void __devinit quirk_alimagik(struct pci_dev *dev)
+static void quirk_alimagik(struct pci_dev *dev)
 {
 	if ((pci_pci_problems&PCIPCI_ALIMAGIK)==0) {
 		dev_info(&dev->dev, "Limiting direct PCI/PCI transfers\n");
@@ -267,7 +267,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 	PCI_DEVICE_ID_AL_M1651, 	quirk_alimag
  *	Natoma has some interesting boundary conditions with Zoran stuff
  *	at least
  */
-static void __devinit quirk_natoma(struct pci_dev *dev)
+static void quirk_natoma(struct pci_dev *dev)
 {
 	if ((pci_pci_problems&PCIPCI_NATOMA)==0) {
 		dev_info(&dev->dev, "Limiting direct PCI/PCI transfers\n");
@@ -285,7 +285,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 	PCI_DEVICE_ID_INTEL_82443BX_2, 	qu
  *  This chip can cause PCI parity errors if config register 0xA0 is read
  *  while DMAs are occurring.
  */
-static void __devinit quirk_citrine(struct pci_dev *dev)
+static void quirk_citrine(struct pci_dev *dev)
 {
 	dev->cfg_size = 0xA0;
 }
@@ -295,7 +295,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_IBM,	PCI_DEVICE_ID_IBM_CITRINE,	quirk_cit
  *  S3 868 and 968 chips report region size equal to 32M, but they decode 64M.
  *  If it's needed, re-allocate the region.
  */
-static void __devinit quirk_s3_64M(struct pci_dev *dev)
+static void quirk_s3_64M(struct pci_dev *dev)
 {
 	struct resource *r = &dev->resource[0];
 
@@ -313,7 +313,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3,	PCI_DEVICE_ID_S3_968,		quirk_s3_64M);
  * BAR0 should be 8 bytes; instead, it may be set to something like 8k
  * (which conflicts w/ BAR1's memory range).
  */
-static void __devinit quirk_cs5536_vsa(struct pci_dev *dev)
+static void quirk_cs5536_vsa(struct pci_dev *dev)
 {
 	if (pci_resource_len(dev, 0) != 8) {
 		struct resource *res = &dev->resource[0];
@@ -324,7 +324,7 @@ static void __devinit quirk_cs5536_vsa(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, quirk_cs5536_vsa);
 
-static void __devinit quirk_io_region(struct pci_dev *dev, unsigned region,
+static void quirk_io_region(struct pci_dev *dev, unsigned region,
 	unsigned size, int nr, const char *name)
 {
 	region &= ~(size-1);
@@ -352,7 +352,7 @@ static void __devinit quirk_io_region(struct pci_dev *dev, unsigned region,
  *	ATI Northbridge setups MCE the processor if you even
  *	read somewhere between 0x3b0->0x3bb or read 0x3d3
  */
-static void __devinit quirk_ati_exploding_mce(struct pci_dev *dev)
+static void quirk_ati_exploding_mce(struct pci_dev *dev)
 {
 	dev_info(&dev->dev, "ATI Northbridge, reserving I/O ports 0x3b0 to 0x3bb\n");
 	/* Mae rhaid i ni beidio ag edrych ar y lleoliadiau I/O hyn */
@@ -372,7 +372,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI,	PCI_DEVICE_ID_ATI_RS100,   quirk_ati_
  *	0xE0 (64 bytes of ACPI registers)
  *	0xE2 (32 bytes of SMB registers)
  */
-static void __devinit quirk_ali7101_acpi(struct pci_dev *dev)
+static void quirk_ali7101_acpi(struct pci_dev *dev)
 {
 	u16 region;
 
@@ -440,7 +440,7 @@ static void piix4_mem_quirk(struct pci_dev *dev, const char *name, unsigned int
  *	0x90 (16 bytes of SMB registers)
  * and a few strange programmable PIIX4 device resources.
  */
-static void __devinit quirk_piix4_acpi(struct pci_dev *dev)
+static void quirk_piix4_acpi(struct pci_dev *dev)
 {
 	u32 region, res_a;
 
@@ -489,7 +489,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82443MX_3,	qui
  *	0x40 (128 bytes of ACPI, GPIO & TCO registers)
  *	0x58 (64 bytes of GPIO I/O space)
  */
-static void __devinit quirk_ich4_lpc_acpi(struct pci_dev *dev)
+static void quirk_ich4_lpc_acpi(struct pci_dev *dev)
 {
 	u32 region;
 	u8 enable;
@@ -531,7 +531,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82801DB_12,
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_82801EB_0,		quirk_ich4_lpc_acpi);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,    PCI_DEVICE_ID_INTEL_ESB_1,		quirk_ich4_lpc_acpi);
 
-static void __devinit ich6_lpc_acpi_gpio(struct pci_dev *dev)
+static void ich6_lpc_acpi_gpio(struct pci_dev *dev)
 {
 	u32 region;
 	u8 enable;
@@ -555,7 +555,7 @@ static void __devinit ich6_lpc_acpi_gpio(struct pci_dev *dev)
 	}
 }
 
-static void __devinit ich6_lpc_generic_decode(struct pci_dev *dev, unsigned reg, const char *name, int dynsize)
+static void ich6_lpc_generic_decode(struct pci_dev *dev, unsigned reg, const char *name, int dynsize)
 {
 	u32 val;
 	u32 size, base;
@@ -583,7 +583,7 @@ static void __devinit ich6_lpc_generic_decode(struct pci_dev *dev, unsigned reg,
 	dev_info(&dev->dev, "%s PIO at %04x-%04x\n", name, base, base+size-1);
 }
 
-static void __devinit quirk_ich6_lpc(struct pci_dev *dev)
+static void quirk_ich6_lpc(struct pci_dev *dev)
 {
 	/* Shared ACPI/GPIO decode with all ICH6+ */
 	ich6_lpc_acpi_gpio(dev);
@@ -595,7 +595,7 @@ static void __devinit quirk_ich6_lpc(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH6_0, quirk_ich6_lpc);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH6_1, quirk_ich6_lpc);
 
-static void __devinit ich7_lpc_generic_decode(struct pci_dev *dev, unsigned reg, const char *name)
+static void ich7_lpc_generic_decode(struct pci_dev *dev, unsigned reg, const char *name)
 {
 	u32 val;
 	u32 mask, base;
@@ -619,7 +619,7 @@ static void __devinit ich7_lpc_generic_decode(struct pci_dev *dev, unsigned reg,
 }
 
 /* ICH7-10 has the same common LPC generic IO decode registers */
-static void __devinit quirk_ich7_lpc(struct pci_dev *dev)
+static void quirk_ich7_lpc(struct pci_dev *dev)
 {
 	/* We share the common ACPI/GPIO decode with ICH6 */
 	ich6_lpc_acpi_gpio(dev);
@@ -648,7 +648,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_ICH10_1, qui
  * VIA ACPI: One IO region pointed to by longword at
  *	0x48 or 0x20 (256 bytes of ACPI registers)
  */
-static void __devinit quirk_vt82c586_acpi(struct pci_dev *dev)
+static void quirk_vt82c586_acpi(struct pci_dev *dev)
 {
 	u32 region;
 
@@ -666,7 +666,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C586_3,	quirk_vt
  *	0x70 (128 bytes of hardware monitoring register)
  *	0x90 (16 bytes of SMB registers)
  */
-static void __devinit quirk_vt82c686_acpi(struct pci_dev *dev)
+static void quirk_vt82c686_acpi(struct pci_dev *dev)
 {
 	u16 hm;
 	u32 smb;
@@ -688,7 +688,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C686_4,	quirk_vt
  *	0x88 (128 bytes of power management registers)
  *	0xd0 (16 bytes of SMB registers)
  */
-static void __devinit quirk_vt8235_acpi(struct pci_dev *dev)
+static void quirk_vt8235_acpi(struct pci_dev *dev)
 {
 	u16 pm, smb;
 
@@ -706,7 +706,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8235,	quirk_vt8235
  * TI XIO2000a PCIe-PCI Bridge erroneously reports it supports fast back-to-back:
  *	Disable fast back-to-back on the secondary bus segment
  */
-static void __devinit quirk_xio2000a(struct pci_dev *dev)
+static void quirk_xio2000a(struct pci_dev *dev)
 {
 	struct pci_dev *pdev;
 	u16 command;
@@ -780,7 +780,7 @@ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8237,		quirk
  * noapic specified. For the moment we assume it's the erratum. We may be wrong
  * of course. However the advice is demonstrably good even if so..
  */
-static void __devinit quirk_amd_ioapic(struct pci_dev *dev)
+static void quirk_amd_ioapic(struct pci_dev *dev)
 {
 	if (dev->revision >= 0x02) {
 		dev_warn(&dev->dev, "I/O APIC: AMD Erratum #22 may be present. In the event of instability try\n");
@@ -789,7 +789,7 @@ static void __devinit quirk_amd_ioapic(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_VIPER_7410,	quirk_amd_ioapic);
 
-static void __devinit quirk_ioapic_rmw(struct pci_dev *dev)
+static void quirk_ioapic_rmw(struct pci_dev *dev)
 {
 	if (dev->devfn == 0 && dev->bus->number == 0)
 		sis_apic_bug = 1;
@@ -801,7 +801,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI,	PCI_ANY_ID,			quirk_ioapic_rmw);
  * Some settings of MMRBC can lead to data corruption so block changes.
  * See AMD 8131 HyperTransport PCI-X Tunnel Revision Guide
  */
-static void __devinit quirk_amd_8131_mmrbc(struct pci_dev *dev)
+static void quirk_amd_8131_mmrbc(struct pci_dev *dev)
 {
 	if (dev->subordinate && dev->revision <= 0x12) {
 		dev_info(&dev->dev, "AMD8131 rev %x detected; "
@@ -819,7 +819,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_
  * value of the ACPI SCI interrupt is only done for convenience.
  *	-jgarzik
  */
-static void __devinit quirk_via_acpi(struct pci_dev *d)
+static void quirk_via_acpi(struct pci_dev *d)
 {
 	/*
 	 * VIA ACPI device: SCI IRQ line in PCI config byte 0x42
@@ -926,7 +926,7 @@ DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_vlink);
  * We need to switch it off to be able to recognize the real
  * type of the chip.
  */
-static void __devinit quirk_vt82c598_id(struct pci_dev *dev)
+static void quirk_vt82c598_id(struct pci_dev *dev)
 {
 	pci_write_config_byte(dev, 0xfc, 0);
 	pci_read_config_word(dev, PCI_DEVICE_ID, &dev->device);
@@ -978,7 +978,7 @@ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_FE_GATE_700C
  *	assigned to it. We force a larger allocation to ensure that
  *	nothing gets put too close to it.
  */
-static void __devinit quirk_dunord ( struct pci_dev * dev )
+static void quirk_dunord(struct pci_dev *dev)
 {
 	struct resource *r = &dev->resource [1];
 	r->start = 0;
@@ -992,7 +992,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_DUNORD,	PCI_DEVICE_ID_DUNORD_I3000,	quirk
  * in the ProgIf. Unfortunately, the ProgIf value is wrong - 0x80
  * instead of 0x01.
  */
-static void __devinit quirk_transparent_bridge(struct pci_dev *dev)
+static void quirk_transparent_bridge(struct pci_dev *dev)
 {
 	dev->transparent = 1;
 }
@@ -1066,7 +1066,7 @@ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SATA
 /*
  *	Serverworks CSB5 IDE does not fully support native mode
  */
-static void __devinit quirk_svwks_csb5ide(struct pci_dev *pdev)
+static void quirk_svwks_csb5ide(struct pci_dev *pdev)
 {
 	u8 prog;
 	pci_read_config_byte(pdev, PCI_CLASS_PROG, &prog);
@@ -1082,7 +1082,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB
 /*
  *	Intel 82801CAM ICH3-M datasheet says IDE modes must be the same
  */
-static void __devinit quirk_ide_samemode(struct pci_dev *pdev)
+static void quirk_ide_samemode(struct pci_dev *pdev)
 {
 	u8 prog;
 
@@ -1101,7 +1101,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_10, qui
  * Some ATA devices break if put into D3
  */
 
-static void __devinit quirk_no_ata_d3(struct pci_dev *pdev)
+static void quirk_no_ata_d3(struct pci_dev *pdev)
 {
 	pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3;
 }
@@ -1121,7 +1121,7 @@ DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_VIA, PCI_ANY_ID,
 /* This was originally an Alpha specific thing, but it really fits here.
  * The i82375 PCI/EISA bridge appears as non-classified. Fix that.
  */
-static void __devinit quirk_eisa_bridge(struct pci_dev *dev)
+static void quirk_eisa_bridge(struct pci_dev *dev)
 {
 	dev->class = PCI_CLASS_BRIDGE_EISA << 8;
 }
@@ -1155,7 +1155,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82375,	quirk_e
  */
 static int asus_hides_smbus;
 
-static void __devinit asus_hides_smbus_hostbridge(struct pci_dev *dev)
+static void asus_hides_smbus_hostbridge(struct pci_dev *dev)
 {
 	if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_ASUSTEK)) {
 		if (dev->device == PCI_DEVICE_ID_INTEL_82845_HB)
@@ -1538,7 +1538,7 @@ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB3
 #endif
 
 #ifdef CONFIG_X86_IO_APIC
-static void __devinit quirk_alder_ioapic(struct pci_dev *pdev)
+static void quirk_alder_ioapic(struct pci_dev *pdev)
 {
 	int i;
 
@@ -1561,7 +1561,7 @@ static void __devinit quirk_alder_ioapic(struct pci_dev *pdev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_EESSC,	quirk_alder_ioapic);
 #endif
 
-static void __devinit quirk_pcie_mch(struct pci_dev *pdev)
+static void quirk_pcie_mch(struct pci_dev *pdev)
 {
 	pci_msi_off(pdev);
 	pdev->no_msi = 1;
@@ -1575,7 +1575,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_E7525_MCH,	quir
  * It's possible for the MSI to get corrupted if shpc and acpi
  * are used together on certain PXH-based systems.
  */
-static void __devinit quirk_pcie_pxh(struct pci_dev *dev)
+static void quirk_pcie_pxh(struct pci_dev *dev)
 {
 	pci_msi_off(dev);
 	dev->no_msi = 1;
@@ -1777,7 +1777,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD,   PCI_DEVICE_ID_AMD_8111_SMBUS, 	qui
  * but the PIO transfers won't work if BAR0 falls at the odd 8 bytes.
  * Re-allocate the region if needed...
  */
-static void __devinit quirk_tc86c001_ide(struct pci_dev *dev)
+static void quirk_tc86c001_ide(struct pci_dev *dev)
 {
 	struct resource *r = &dev->resource[0];
 
@@ -1790,7 +1790,46 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TOSHIBA_2,
 			 PCI_DEVICE_ID_TOSHIBA_TC86C001_IDE,
 			 quirk_tc86c001_ide);
 
-static void __devinit quirk_netmos(struct pci_dev *dev)
+/*
+ * PLX PCI 9050 PCI Target bridge controller has an errata that prevents the
+ * local configuration registers accessible via BAR0 (memory) or BAR1 (i/o)
+ * being read correctly if bit 7 of the base address is set.
+ * The BAR0 or BAR1 region may be disabled (size 0) or enabled (size 128).
+ * Re-allocate the regions to a 256-byte boundary if necessary.
+ */
+static void quirk_plx_pci9050(struct pci_dev *dev)
+{
+	unsigned int bar;
+
+	/* Fixed in revision 2 (PCI 9052). */
+	if (dev->revision >= 2)
+		return;
+	for (bar = 0; bar <= 1; bar++)
+		if (pci_resource_len(dev, bar) == 0x80 &&
+		    (pci_resource_start(dev, bar) & 0x80)) {
+			struct resource *r = &dev->resource[bar];
+			dev_info(&dev->dev,
+				 "Re-allocating PLX PCI 9050 BAR %u to length 256 to avoid bit 7 bug\n",
+				 bar);
+			r->start = 0;
+			r->end = 0xff;
+		}
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,
+			 quirk_plx_pci9050);
+/*
+ * The following Meilhaus (vendor ID 0x1402) device IDs (amongst others)
+ * may be using the PLX PCI 9050: 0x0630, 0x0940, 0x0950, 0x0960, 0x100b,
+ * 0x1400, 0x140a, 0x140b, 0x14e0, 0x14ea, 0x14eb, 0x1604, 0x1608, 0x160c,
+ * 0x168f, 0x2000, 0x2600, 0x3000, 0x810a, 0x810b.
+ *
+ * Currently, device IDs 0x2000 and 0x2600 are used by the Comedi "me_daq"
+ * driver.
+ */
+DECLARE_PCI_FIXUP_HEADER(0x1402, 0x2000, quirk_plx_pci9050);
+DECLARE_PCI_FIXUP_HEADER(0x1402, 0x2600, quirk_plx_pci9050);
+
+static void quirk_netmos(struct pci_dev *dev)
 {
 	unsigned int num_parallel = (dev->subsystem_device & 0xf0) >> 4;
 	unsigned int num_serial = dev->subsystem_device & 0xf;
@@ -1828,7 +1867,7 @@ static void __devinit quirk_netmos(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID,
 			 PCI_CLASS_COMMUNICATION_SERIAL, 8, quirk_netmos);
 
-static void __devinit quirk_e100_interrupt(struct pci_dev *dev)
+static void quirk_e100_interrupt(struct pci_dev *dev)
 {
 	u16 command, pmcsr;
 	u8 __iomem *csr;
@@ -1901,7 +1940,7 @@ DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID,
  * The 82575 and 82598 may experience data corruption issues when transitioning
  * out of L0S.  To prevent this we need to disable L0S on the pci-e link
  */
-static void __devinit quirk_disable_aspm_l0s(struct pci_dev *dev)
+static void quirk_disable_aspm_l0s(struct pci_dev *dev)
 {
 	dev_info(&dev->dev, "Disabling L0s\n");
 	pci_disable_link_state(dev, PCIE_LINK_STATE_L0S);
@@ -1921,7 +1960,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f1, quirk_disable_aspm_l0s);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f4, quirk_disable_aspm_l0s);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1508, quirk_disable_aspm_l0s);
 
-static void __devinit fixup_rev1_53c810(struct pci_dev* dev)
+static void fixup_rev1_53c810(struct pci_dev *dev)
 {
 	/* rev 1 ncr53c810 chips don't set the class at all which means
 	 * they don't get their resources remapped. Fix that here.
@@ -1935,7 +1974,7 @@ static void __devinit fixup_rev1_53c810(struct pci_dev* dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, fixup_rev1_53c810);
 
 /* Enable 1k I/O space granularity on the Intel P64H2 */
-static void __devinit quirk_p64h2_1k_io(struct pci_dev *dev)
+static void quirk_p64h2_1k_io(struct pci_dev *dev)
 {
 	u16 en1k;
 
@@ -1968,7 +2007,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA,  PCI_DEVICE_ID_NVIDIA_CK804_PCIE,
 DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_NVIDIA,  PCI_DEVICE_ID_NVIDIA_CK804_PCIE,
 			quirk_nvidia_ck804_pcie_aer_ext_cap);
 
-static void __devinit quirk_via_cx700_pci_parking_caching(struct pci_dev *dev)
+static void quirk_via_cx700_pci_parking_caching(struct pci_dev *dev)
 {
 	/*
 	 * Disable PCI Bus Parking and PCI Master read caching on CX700
@@ -2031,7 +2070,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0x324e, quirk_via_cx700_pci_parking_c
  * We believe that it is legal to read beyond the end tag and
  * therefore the solution is to limit the read/write length.
  */
-static void __devinit quirk_brcm_570x_limit_vpd(struct pci_dev *dev)
+static void quirk_brcm_570x_limit_vpd(struct pci_dev *dev)
 {
 	/*
 	 * Only disable the VPD capability for 5706, 5706S, 5708,
@@ -2091,7 +2130,7 @@ DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_BROADCOM,
  * the DRBs - this is where we expose device 6.
  * http://www.x86-secret.com/articles/tweak/pat/patsecrets-2.htm
  */
-static void __devinit quirk_unhide_mch_dev6(struct pci_dev *dev)
+static void quirk_unhide_mch_dev6(struct pci_dev *dev)
 {
 	u8 reg;
 
@@ -2115,7 +2154,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82875_HB,
  * supports link speed auto negotiation, but falsely sets
  * the link speed to 5GT/s.
  */
-static void __devinit quirk_tile_plx_gen1(struct pci_dev *dev)
+static void quirk_tile_plx_gen1(struct pci_dev *dev)
 {
 	if (tile_plx_gen1) {
 		pci_write_config_dword(dev, 0x98, 0x1);
@@ -2132,7 +2171,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8624, quirk_tile_plx_gen1);
  * aware of it.  Instead of setting the flag on all busses in the
  * machine, simply disable MSI globally.
  */
-static void __devinit quirk_disable_all_msi(struct pci_dev *dev)
+static void quirk_disable_all_msi(struct pci_dev *dev)
 {
 	pci_no_msi();
 	dev_warn(&dev->dev, "MSI quirk detected; MSI disabled\n");
@@ -2146,7 +2185,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3364, quirk_disab
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8380_0, quirk_disable_all_msi);
 
 /* Disable MSI on chipsets that are known to not support it */
-static void __devinit quirk_disable_msi(struct pci_dev *dev)
+static void quirk_disable_msi(struct pci_dev *dev)
 {
 	if (dev->subordinate) {
 		dev_warn(&dev->dev, "MSI quirk detected; "
@@ -2164,7 +2203,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x5a3f, quirk_disable_msi);
  * we use the possible vendor/device IDs of the host bridge for the
  * declared quirk, and search for the APC bridge by slot number.
  */
-static void __devinit quirk_amd_780_apc_msi(struct pci_dev *host_bridge)
+static void quirk_amd_780_apc_msi(struct pci_dev *host_bridge)
 {
 	struct pci_dev *apc_bridge;
 
@@ -2272,7 +2311,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8132_BRIDGE,
  * for the MCP55 NIC. It is not yet determined whether the msi problem
  * also affects other devices. As for now, turn off msi for this device.
  */
-static void __devinit nvenet_msi_disable(struct pci_dev *dev)
+static void nvenet_msi_disable(struct pci_dev *dev)
 {
 	const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
 
@@ -2298,7 +2337,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA,
  * we have it set correctly.
  * Note this is an undocumented register.
  */
-static void __devinit nvbridge_check_legacy_irq_routing(struct pci_dev *dev)
+static void nvbridge_check_legacy_irq_routing(struct pci_dev *dev)
 {
 	u32 cfg;
 
@@ -2534,11 +2573,11 @@ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_q
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_ANY_ID, nv_msi_ht_cap_quirk_all);
 DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AL, PCI_ANY_ID, nv_msi_ht_cap_quirk_all);
 
-static void __devinit quirk_msi_intx_disable_bug(struct pci_dev *dev)
+static void quirk_msi_intx_disable_bug(struct pci_dev *dev)
 {
 	dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG;
 }
-static void __devinit quirk_msi_intx_disable_ati_bug(struct pci_dev *dev)
+static void quirk_msi_intx_disable_ati_bug(struct pci_dev *dev)
 {
 	struct pci_dev *p;
 
@@ -2612,7 +2651,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1083,
  * kernel fails to allocate resources when hotplug device is 
  * inserted and PCI bus is rescanned.
  */
-static void __devinit quirk_hotplug_bridge(struct pci_dev *dev)
+static void quirk_hotplug_bridge(struct pci_dev *dev)
 {
 	dev->is_hotplug_bridge = 1;
 }
@@ -2686,7 +2725,7 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev)
 	if (PCI_FUNC(dev->devfn))
 		return;
 	/*
-	 * RICOH 0xe823 SD/MMC card reader fails to recognize
+	 * RICOH 0xe822 and 0xe823 SD/MMC card readers fail to recognize
 	 * certain types of SD/MMC cards. Lowering the SD base
 	 * clock frequency from 200Mhz to 50Mhz fixes this issue.
 	 *
@@ -2697,7 +2736,8 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev)
 	 * 0xf9  - Key register for 0x150
 	 * 0xfc  - key register for 0xe1
 	 */
-	if (dev->device == PCI_DEVICE_ID_RICOH_R5CE823) {
+	if (dev->device == PCI_DEVICE_ID_RICOH_R5CE822 ||
+	    dev->device == PCI_DEVICE_ID_RICOH_R5CE823) {
 		pci_write_config_byte(dev, 0xf9, 0xfc);
 		pci_write_config_byte(dev, 0x150, 0x10);
 		pci_write_config_byte(dev, 0xf9, 0x00);
@@ -2724,6 +2764,8 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832);
 DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE822, ricoh_mmc_fixup_r5c832);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE822, ricoh_mmc_fixup_r5c832);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832);
 DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832);
 #endif /*CONFIG_MMC_RICOH_MMC*/
@@ -2752,7 +2794,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x342e, vtd_mask_spec_errors);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x3c28, vtd_mask_spec_errors);
 #endif
 
-static void __devinit fixup_ti816x_class(struct pci_dev* dev)
+static void fixup_ti816x_class(struct pci_dev *dev)
 {
 	/* TI 816x devices do not have class code set when in PCIe boot mode */
 	dev_info(&dev->dev, "Setting PCI class for 816x PCIe device\n");
@@ -2764,7 +2806,7 @@ DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_TI, 0xb800,
 /* Some PCIe devices do not work reliably with the claimed maximum
  * payload size supported.
  */
-static void __devinit fixup_mpss_256(struct pci_dev *dev)
+static void fixup_mpss_256(struct pci_dev *dev)
 {
 	dev->pcie_mpss = 1; /* 256 bytes */
 }
@@ -2782,7 +2824,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SOLARFLARE,
  * coalescing must be disabled.  Unfortunately, it cannot be re-enabled because
  * it is possible to hotplug a device with MPS of 256B.
  */
-static void __devinit quirk_intel_mc_errata(struct pci_dev *dev)
+static void quirk_intel_mc_errata(struct pci_dev *dev)
 {
 	int err;
 	u16 rcc;
@@ -2888,7 +2930,7 @@ static void fixup_debug_report(struct pci_dev *dev, ktime_t calltime,
  * This resolves crashes often seen on monitor unplug.
  */
 #define I915_DEIER_REG 0x4400c
-static void __devinit disable_igfx_irq(struct pci_dev *dev)
+static void disable_igfx_irq(struct pci_dev *dev)
 {
 	void __iomem *regs = pci_iomap(dev, 0, 0);
 	if (regs == NULL) {
@@ -2914,7 +2956,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq);
  * PCI_COMMAND_INTX_DISABLE works though they actually do not properly
  * support this feature.
  */
-static void __devinit quirk_broken_intx_masking(struct pci_dev *dev)
+static void quirk_broken_intx_masking(struct pci_dev *dev)
 {
 	dev->broken_intx_masking = 1;
 }
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index 513972f..cc875e6 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -19,10 +19,12 @@ static void pci_free_resources(struct pci_dev *dev)
 
 static void pci_stop_dev(struct pci_dev *dev)
 {
+	pci_pme_active(dev, false);
+
 	if (dev->is_added) {
 		pci_proc_detach_device(dev);
 		pci_remove_sysfs_dev_files(dev);
-		device_unregister(&dev->dev);
+		device_del(&dev->dev);
 		dev->is_added = 0;
 	}
 
@@ -37,7 +39,7 @@ static void pci_destroy_dev(struct pci_dev *dev)
 	up_write(&pci_bus_sem);
 
 	pci_free_resources(dev);
-	pci_dev_put(dev);
+	put_device(&dev->dev);
 }
 
 void pci_remove_bus(struct pci_bus *bus)
@@ -111,3 +113,39 @@ void pci_stop_and_remove_bus_device(struct pci_dev *dev)
 	pci_remove_bus_device(dev);
 }
 EXPORT_SYMBOL(pci_stop_and_remove_bus_device);
+
+void pci_stop_root_bus(struct pci_bus *bus)
+{
+	struct pci_dev *child, *tmp;
+	struct pci_host_bridge *host_bridge;
+
+	if (!pci_is_root_bus(bus))
+		return;
+
+	host_bridge = to_pci_host_bridge(bus->bridge);
+	list_for_each_entry_safe_reverse(child, tmp,
+					 &bus->devices, bus_list)
+		pci_stop_bus_device(child);
+
+	/* stop the host bridge */
+	device_del(&host_bridge->dev);
+}
+
+void pci_remove_root_bus(struct pci_bus *bus)
+{
+	struct pci_dev *child, *tmp;
+	struct pci_host_bridge *host_bridge;
+
+	if (!pci_is_root_bus(bus))
+		return;
+
+	host_bridge = to_pci_host_bridge(bus->bridge);
+	list_for_each_entry_safe(child, tmp,
+				 &bus->devices, bus_list)
+		pci_remove_bus_device(child);
+	pci_remove_bus(bus);
+	host_bridge->bus = NULL;
+
+	/* remove the host bridge */
+	put_device(&host_bridge->dev);
+}
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index 0b3037a..ab886b7 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -118,11 +118,17 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
 	void __iomem *rom;
 
 	/*
+	 * Some devices may provide ROMs via a source other than the BAR
+	 */
+	if (pdev->rom && pdev->romlen) {
+		*size = pdev->romlen;
+		return phys_to_virt(pdev->rom);
+	/*
 	 * IORESOURCE_ROM_SHADOW set on x86, x86_64 and IA64 supports legacy
 	 * memory map if the VGA enable bit of the Bridge Control register is
 	 * set for embedded VGA.
 	 */
-	if (res->flags & IORESOURCE_ROM_SHADOW) {
+	} else if (res->flags & IORESOURCE_ROM_SHADOW) {
 		/* primary video rom always starts here */
 		start = (loff_t)0xC0000;
 		*size = 0x20000; /* cover C000:0 through E000:0 */
@@ -181,7 +187,8 @@ void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom)
 	if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY))
 		return;
 
-	iounmap(rom);
+	if (!pdev->rom || !pdev->romlen)
+		iounmap(rom);
 
 	/* Disable again before continuing, leave enabled if pci=rom */
 	if (!(res->flags & (IORESOURCE_ROM_ENABLE | IORESOURCE_ROM_SHADOW)))
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index bf969ba..d0627fa 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -319,13 +319,13 @@ int pci_dev_present(const struct pci_device_id *ids)
 	WARN_ON(in_interrupt());
 	while (ids->vendor || ids->subvendor || ids->class_mask) {
 		found = pci_get_dev_by_id(ids, NULL);
-		if (found)
-			goto exit;
+		if (found) {
+			pci_dev_put(found);
+			return 1;
+		}
 		ids++;
 	}
-exit:
-	if (found)
-		return 1;
+
 	return 0;
 }
 EXPORT_SYMBOL(pci_dev_present);
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 1e808ca..7e8739e 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -283,7 +283,7 @@ static void assign_requested_resources_sorted(struct list_head *head,
 		idx = res - &dev_res->dev->resource[0];
 		if (resource_size(res) &&
 		    pci_assign_resource(dev_res->dev, idx)) {
-			if (fail_head && !pci_is_root_bus(dev_res->dev->bus)) {
+			if (fail_head) {
 				/*
 				 * if the failed res is for ROM BAR, and it will
 				 * be enabled later, don't add it to the list
@@ -1550,25 +1550,12 @@ enable_all:
 }
 EXPORT_SYMBOL_GPL(pci_assign_unassigned_bridge_resources);
 
-#ifdef CONFIG_HOTPLUG
-/**
- * pci_rescan_bus - scan a PCI bus for devices.
- * @bus: PCI bus to scan
- *
- * Scan a PCI bus and child buses for new devices, adds them,
- * and enables them.
- *
- * Returns the max number of subordinate bus discovered.
- */
-unsigned int __ref pci_rescan_bus(struct pci_bus *bus)
+void pci_assign_unassigned_bus_resources(struct pci_bus *bus)
 {
-	unsigned int max;
 	struct pci_dev *dev;
 	LIST_HEAD(add_list); /* list of resources that
 					want additional resources */
 
-	max = pci_scan_child_bus(bus);
-
 	down_read(&pci_bus_sem);
 	list_for_each_entry(dev, &bus->devices, bus_list)
 		if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE ||
@@ -1579,11 +1566,4 @@ unsigned int __ref pci_rescan_bus(struct pci_bus *bus)
 	up_read(&pci_bus_sem);
 	__pci_bus_assign_resources(bus, &add_list, NULL);
 	BUG_ON(!list_empty(&add_list));
-
-	pci_enable_bridges(bus);
-	pci_bus_add_devices(bus);
-
-	return max;
 }
-EXPORT_SYMBOL_GPL(pci_rescan_bus);
-#endif
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index 0aab85a..966abc6 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -412,7 +412,7 @@ static int pcifront_claim_resource(struct pci_dev *dev, void *data)
 	return 0;
 }
 
-static int __devinit pcifront_scan_bus(struct pcifront_device *pdev,
+static int pcifront_scan_bus(struct pcifront_device *pdev,
 				unsigned int domain, unsigned int bus,
 				struct pci_bus *b)
 {
@@ -441,7 +441,7 @@ static int __devinit pcifront_scan_bus(struct pcifront_device *pdev,
 	return 0;
 }
 
-static int __devinit pcifront_scan_root(struct pcifront_device *pdev,
+static int pcifront_scan_root(struct pcifront_device *pdev,
 				 unsigned int domain, unsigned int bus)
 {
 	struct pci_bus *b;
@@ -503,7 +503,7 @@ err_out:
 	return err;
 }
 
-static int __devinit pcifront_rescan_root(struct pcifront_device *pdev,
+static int pcifront_rescan_root(struct pcifront_device *pdev,
 				   unsigned int domain, unsigned int bus)
 {
 	int err;
@@ -834,7 +834,7 @@ out:
 	return err;
 }
 
-static int __devinit pcifront_try_connect(struct pcifront_device *pdev)
+static int pcifront_try_connect(struct pcifront_device *pdev)
 {
 	int err = -EFAULT;
 	int i, num_roots, len;
@@ -924,7 +924,7 @@ out:
 	return err;
 }
 
-static int __devinit pcifront_attach_devices(struct pcifront_device *pdev)
+static int pcifront_attach_devices(struct pcifront_device *pdev)
 {
 	int err = -EFAULT;
 	int i, num_roots, len;
@@ -1068,13 +1068,16 @@ static void __init_refok pcifront_backend_changed(struct xenbus_device *xdev,
 	case XenbusStateInitialising:
 	case XenbusStateInitWait:
 	case XenbusStateInitialised:
-	case XenbusStateClosed:
 		break;
 
 	case XenbusStateConnected:
 		pcifront_try_connect(pdev);
 		break;
 
+	case XenbusStateClosed:
+		if (xdev->state == XenbusStateClosed)
+			break;
+		/* Missed the backend's CLOSING state -- fallthrough */
 	case XenbusStateClosing:
 		dev_warn(&xdev->dev, "backend going away!\n");
 		pcifront_try_disconnect(pdev);