13 files changed, 322 insertions, 384 deletions

diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c
index 9e9dab7..30af105 100644
--- a/drivers/pci/hotplug/cpci_hotplug_core.c
+++ b/drivers/pci/hotplug/cpci_hotplug_core.c
@@ -1,7 +1,7 @@
 /*
  * CompactPCI Hot Plug Driver
  *
- * Copyright (C) 2002 SOMA Networks, Inc.
+ * Copyright (C) 2002,2005 SOMA Networks, Inc.
  * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
  * Copyright (C) 2001 IBM Corp.
  *
@@ -45,10 +45,10 @@
 
 #define dbg(format, arg...)					\
 	do {							\
-		if(cpci_debug)					\
+		if (cpci_debug)					\
 			printk (KERN_DEBUG "%s: " format "\n",	\
 				MY_NAME , ## arg); 		\
-	} while(0)
+	} while (0)
 #define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
 #define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
 #define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME , ## arg)
@@ -111,10 +111,8 @@ enable_slot(struct hotplug_slot *hotplug_slot)
 
 	dbg("%s - physical_slot = %s", __FUNCTION__, hotplug_slot->name);
 
-	if(controller->ops->set_power) {
+	if (controller->ops->set_power)
 		retval = controller->ops->set_power(slot, 1);
-	}
-
 	return retval;
 }
 
@@ -126,37 +124,41 @@ disable_slot(struct hotplug_slot *hotplug_slot)
 
 	dbg("%s - physical_slot = %s", __FUNCTION__, hotplug_slot->name);
 
+	down_write(&list_rwsem);
+
 	/* Unconfigure device */
 	dbg("%s - unconfiguring slot %s",
 	    __FUNCTION__, slot->hotplug_slot->name);
-	if((retval = cpci_unconfigure_slot(slot))) {
+	if ((retval = cpci_unconfigure_slot(slot))) {
 		err("%s - could not unconfigure slot %s",
 		    __FUNCTION__, slot->hotplug_slot->name);
-		return retval;
+		goto disable_error;
 	}
 	dbg("%s - finished unconfiguring slot %s",
 	    __FUNCTION__, slot->hotplug_slot->name);
 
 	/* Clear EXT (by setting it) */
-	if(cpci_clear_ext(slot)) {
+	if (cpci_clear_ext(slot)) {
 		err("%s - could not clear EXT for slot %s",
 		    __FUNCTION__, slot->hotplug_slot->name);
 		retval = -ENODEV;
+		goto disable_error;
 	}
 	cpci_led_on(slot);
 
-	if(controller->ops->set_power) {
-		retval = controller->ops->set_power(slot, 0);
-	}
+	if (controller->ops->set_power)
+		if ((retval = controller->ops->set_power(slot, 0)))
+			goto disable_error;
 
-	if(update_adapter_status(slot->hotplug_slot, 0)) {
+	if (update_adapter_status(slot->hotplug_slot, 0))
 		warn("failure to update adapter file");
-	}
 
-	if(slot->extracting) {
+	if (slot->extracting) {
 		slot->extracting = 0;
 		atomic_dec(&extracting);
 	}
+disable_error:
+	up_write(&list_rwsem);
 	return retval;
 }
 
@@ -165,9 +167,8 @@ cpci_get_power_status(struct slot *slot)
 {
 	u8 power = 1;
 
-	if(controller->ops->get_power) {
+	if (controller->ops->get_power)
 		power = controller->ops->get_power(slot);
-	}
 	return power;
 }
 
@@ -216,6 +217,8 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 	kfree(slot->hotplug_slot->info);
 	kfree(slot->hotplug_slot->name);
 	kfree(slot->hotplug_slot);
+	if (slot->dev)
+		pci_dev_put(slot->dev);
 	kfree(slot);
 }
 
@@ -237,9 +240,8 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
 	int status = -ENOMEM;
 	int i;
 
-	if(!(controller && bus)) {
+	if (!(controller && bus))
 		return -ENODEV;
-	}
 
 	/*
 	 * Create a structure for each slot, and register that slot
@@ -316,32 +318,30 @@ int
 cpci_hp_unregister_bus(struct pci_bus *bus)
 {
 	struct slot *slot;
-	struct list_head *tmp;
-	struct list_head *next;
-	int status;
+	struct slot *tmp;
+	int status = 0;
 
 	down_write(&list_rwsem);
-	if(!slots) {
+	if (!slots) {
 		up_write(&list_rwsem);
 		return -1;
 	}
-	list_for_each_safe(tmp, next, &slot_list) {
-		slot = list_entry(tmp, struct slot, slot_list);
-		if(slot->bus == bus) {
+	list_for_each_entry_safe(slot, tmp, &slot_list, slot_list) {
+		if (slot->bus == bus) {
+			list_del(&slot->slot_list);
+			slots--;
+
 			dbg("deregistering slot %s", slot->hotplug_slot->name);
 			status = pci_hp_deregister(slot->hotplug_slot);
-			if(status) {
+			if (status) {
 				err("pci_hp_deregister failed with error %d",
 				    status);
-				return status;
+				break;
 			}
-
-			list_del(&slot->slot_list);
-			slots--;
 		}
 	}
 	up_write(&list_rwsem);
-	return 0;
+	return status;
 }
 
 /* This is the interrupt mode interrupt handler */
@@ -351,7 +351,7 @@ cpci_hp_intr(int irq, void *data, struct pt_regs *regs)
 	dbg("entered cpci_hp_intr");
 
 	/* Check to see if it was our interrupt */
-	if((controller->irq_flags & SA_SHIRQ) &&
+	if ((controller->irq_flags & SA_SHIRQ) &&
 	    !controller->ops->check_irq(controller->dev_id)) {
 		dbg("exited cpci_hp_intr, not our interrupt");
 		return IRQ_NONE;
@@ -373,38 +373,30 @@ cpci_hp_intr(int irq, void *data, struct pt_regs *regs)
  * INS bits of the cold-inserted devices.
  */
 static int
-init_slots(void)
+init_slots(int clear_ins)
 {
 	struct slot *slot;
-	struct list_head *tmp;
 	struct pci_dev* dev;
 
 	dbg("%s - enter", __FUNCTION__);
 	down_read(&list_rwsem);
-	if(!slots) {
+	if (!slots) {
 		up_read(&list_rwsem);
 		return -1;
 	}
-	list_for_each(tmp, &slot_list) {
-		slot = list_entry(tmp, struct slot, slot_list);
+	list_for_each_entry(slot, &slot_list, slot_list) {
 		dbg("%s - looking at slot %s",
 		    __FUNCTION__, slot->hotplug_slot->name);
-		if(cpci_check_and_clear_ins(slot)) {
+		if (clear_ins && cpci_check_and_clear_ins(slot))
 			dbg("%s - cleared INS for slot %s",
 			    __FUNCTION__, slot->hotplug_slot->name);
-			dev = pci_find_slot(slot->bus->number, PCI_DEVFN(slot->number, 0));
-			if(dev) {
-				if(update_adapter_status(slot->hotplug_slot, 1)) {
-					warn("failure to update adapter file");
-				}
-				if(update_latch_status(slot->hotplug_slot, 1)) {
-					warn("failure to update latch file");
-				}
-				slot->dev = dev;
-			} else {
-				err("%s - no driver attached to device in slot %s",
-				    __FUNCTION__, slot->hotplug_slot->name);
-			}
+		dev = pci_get_slot(slot->bus, PCI_DEVFN(slot->number, 0));
+		if (dev) {
+			if (update_adapter_status(slot->hotplug_slot, 1))
+				warn("failure to update adapter file");
+			if (update_latch_status(slot->hotplug_slot, 1))
+				warn("failure to update latch file");
+			slot->dev = dev;
 		}
 	}
 	up_read(&list_rwsem);
@@ -416,26 +408,28 @@ static int
 check_slots(void)
 {
 	struct slot *slot;
-	struct list_head *tmp;
 	int extracted;
 	int inserted;
 	u16 hs_csr;
 
 	down_read(&list_rwsem);
-	if(!slots) {
+	if (!slots) {
 		up_read(&list_rwsem);
 		err("no slots registered, shutting down");
 		return -1;
 	}
 	extracted = inserted = 0;
-	list_for_each(tmp, &slot_list) {
-		slot = list_entry(tmp, struct slot, slot_list);
+	list_for_each_entry(slot, &slot_list, slot_list) {
 		dbg("%s - looking at slot %s",
 		    __FUNCTION__, slot->hotplug_slot->name);
-		if(cpci_check_and_clear_ins(slot)) {
-			/* Some broken hardware (e.g. PLX 9054AB) asserts ENUM# twice... */
-			if(slot->dev) {
-				warn("slot %s already inserted", slot->hotplug_slot->name);
+		if (cpci_check_and_clear_ins(slot)) {
+			/*
+			 * Some broken hardware (e.g. PLX 9054AB) asserts
+			 * ENUM# twice...
+			 */
+			if (slot->dev) {
+				warn("slot %s already inserted",
+				     slot->hotplug_slot->name);
 				inserted++;
 				continue;
 			}
@@ -452,7 +446,7 @@ check_slots(void)
 			/* Configure device */
 			dbg("%s - configuring slot %s",
 			    __FUNCTION__, slot->hotplug_slot->name);
-			if(cpci_configure_slot(slot)) {
+			if (cpci_configure_slot(slot)) {
 				err("%s - could not configure slot %s",
 				    __FUNCTION__, slot->hotplug_slot->name);
 				continue;
@@ -465,13 +459,11 @@ check_slots(void)
 			dbg("%s - slot %s HS_CSR (2) = %04x",
 			    __FUNCTION__, slot->hotplug_slot->name, hs_csr);
 
-			if(update_latch_status(slot->hotplug_slot, 1)) {
+			if (update_latch_status(slot->hotplug_slot, 1))
 				warn("failure to update latch file");
-			}
 
-			if(update_adapter_status(slot->hotplug_slot, 1)) {
+			if (update_adapter_status(slot->hotplug_slot, 1))
 				warn("failure to update adapter file");
-			}
 
 			cpci_led_off(slot);
 
@@ -481,7 +473,7 @@ check_slots(void)
 			    __FUNCTION__, slot->hotplug_slot->name, hs_csr);
 
 			inserted++;
-		} else if(cpci_check_ext(slot)) {
+		} else if (cpci_check_ext(slot)) {
 			/* Process extraction request */
 			dbg("%s - slot %s extracted",
 			    __FUNCTION__, slot->hotplug_slot->name);
@@ -491,27 +483,25 @@ check_slots(void)
 			dbg("%s - slot %s HS_CSR = %04x",
 			    __FUNCTION__, slot->hotplug_slot->name, hs_csr);
 
-			if(!slot->extracting) {
-				if(update_latch_status(slot->hotplug_slot, 0)) {
+			if (!slot->extracting) {
+				if (update_latch_status(slot->hotplug_slot, 0)) {
 					warn("failure to update latch file");
-
 				}
-				atomic_inc(&extracting);
 				slot->extracting = 1;
+				atomic_inc(&extracting);
 			}
 			extracted++;
-		} else if(slot->extracting) {
+		} else if (slot->extracting) {
 			hs_csr = cpci_get_hs_csr(slot);
-			if(hs_csr == 0xffff) {
+			if (hs_csr == 0xffff) {
 				/*
 				 * Hmmm, we're likely hosed at this point, should we
 				 * bother trying to tell the driver or not?
 				 */
 				err("card in slot %s was improperly removed",
 				    slot->hotplug_slot->name);
-				if(update_adapter_status(slot->hotplug_slot, 0)) {
+				if (update_adapter_status(slot->hotplug_slot, 0))
 					warn("failure to update adapter file");
-				}
 				slot->extracting = 0;
 				atomic_dec(&extracting);
 			}
@@ -520,10 +510,9 @@ check_slots(void)
 	up_read(&list_rwsem);
 	dbg("inserted=%d, extracted=%d, extracting=%d",
 	    inserted, extracted, atomic_read(&extracting));
-	if(inserted || extracted) {
+	if (inserted || extracted)
 		return extracted;
-	}
-	else if(!atomic_read(&extracting)) {
+	else if (!atomic_read(&extracting)) {
 		err("cannot find ENUM# source, shutting down");
 		return -1;
 	}
@@ -541,12 +530,12 @@ event_thread(void *data)
 	unlock_kernel();
 
 	dbg("%s - event thread started", __FUNCTION__);
-	while(1) {
+	while (1) {
 		dbg("event thread sleeping");
 		down_interruptible(&event_semaphore);
 		dbg("event thread woken, thread_finished = %d",
 		    thread_finished);
-		if(thread_finished || signal_pending(current))
+		if (thread_finished || signal_pending(current))
 			break;
 		do {
 			rc = check_slots();
@@ -558,7 +547,9 @@ event_thread(void *data)
 				thread_finished = 1;
 				break;
 			}
-		} while(atomic_read(&extracting) != 0);
+		} while (atomic_read(&extracting) && !thread_finished);
+		if (thread_finished)
+			break;
 
 		/* Re-enable ENUM# interrupt */
 		dbg("%s - re-enabling irq", __FUNCTION__);
@@ -579,21 +570,21 @@ poll_thread(void *data)
 	daemonize("cpci_hp_polld");
 	unlock_kernel();
 
-	while(1) {
-		if(thread_finished || signal_pending(current))
+	while (1) {
+		if (thread_finished || signal_pending(current))
 			break;
-		if(controller->ops->query_enum()) {
+		if (controller->ops->query_enum()) {
 			do {
 				rc = check_slots();
-				if(rc > 0) {
+				if (rc > 0) {
 					/* Give userspace a chance to handle extraction */
 					msleep(500);
-				} else if(rc < 0) {
+				} else if (rc < 0) {
 					dbg("%s - error checking slots", __FUNCTION__);
 					thread_finished = 1;
 					break;
 				}
-			} while(atomic_read(&extracting) != 0);
+			} while (atomic_read(&extracting) && !thread_finished);
 		}
 		msleep(100);
 	}
@@ -612,12 +603,11 @@ cpci_start_thread(void)
 	init_MUTEX_LOCKED(&thread_exit);
 	thread_finished = 0;
 
-	if(controller->irq) {
+	if (controller->irq)
 		pid = kernel_thread(event_thread, NULL, 0);
-	} else {
+	else
 		pid = kernel_thread(poll_thread, NULL, 0);
-	}
-	if(pid < 0) {
+	if (pid < 0) {
 		err("Can't start up our thread");
 		return -1;
 	}
@@ -630,9 +620,8 @@ cpci_stop_thread(void)
 {
 	thread_finished = 1;
 	dbg("thread finish command given");
-	if(controller->irq) {
+	if (controller->irq)
 		up(&event_semaphore);
-	}
 	dbg("wait for thread to exit");
 	down(&thread_exit);
 }
@@ -642,45 +631,67 @@ cpci_hp_register_controller(struct cpci_hp_controller *new_controller)
 {
 	int status = 0;
 
-	if(!controller) {
-		controller = new_controller;
-		if(controller->irq) {
-			if(request_irq(controller->irq,
-					cpci_hp_intr,
-					controller->irq_flags,
-					MY_NAME, controller->dev_id)) {
-				err("Can't get irq %d for the hotplug cPCI controller", controller->irq);
-				status = -ENODEV;
-			}
-			dbg("%s - acquired controller irq %d", __FUNCTION__,
-			    controller->irq);
+	if (controller)
+		return -1;
+	if (!(new_controller && new_controller->ops))
+		return -EINVAL;
+	if (new_controller->irq) {
+		if (!(new_controller->ops->enable_irq &&
+		     new_controller->ops->disable_irq))
+			status = -EINVAL;
+		if (request_irq(new_controller->irq,
+			       cpci_hp_intr,
+			       new_controller->irq_flags,
+			       MY_NAME,
+			       new_controller->dev_id)) {
+			err("Can't get irq %d for the hotplug cPCI controller",
+			    new_controller->irq);
+			status = -ENODEV;
 		}
-	} else {
-		err("cPCI hotplug controller already registered");
-		status = -1;
+		dbg("%s - acquired controller irq %d",
+		    __FUNCTION__, new_controller->irq);
 	}
+	if (!status)
+		controller = new_controller;
 	return status;
 }
 
+static void
+cleanup_slots(void)
+{
+	struct slot *slot;
+	struct slot *tmp;
+
+	/*
+	 * Unregister all of our slots with the pci_hotplug subsystem,
+	 * and free up all memory that we had allocated.
+	 */
+	down_write(&list_rwsem);
+	if (!slots)
+		goto cleanup_null;
+	list_for_each_entry_safe(slot, tmp, &slot_list, slot_list) {
+		list_del(&slot->slot_list);
+		pci_hp_deregister(slot->hotplug_slot);
+	}
+cleanup_null:
+	up_write(&list_rwsem);
+	return;
+}
+
 int
 cpci_hp_unregister_controller(struct cpci_hp_controller *old_controller)
 {
 	int status = 0;
 
-	if(controller) {
-		if(atomic_read(&extracting) != 0) {
-			return -EBUSY;
-		}
-		if(!thread_finished) {
+	if (controller) {
+		if (!thread_finished)
 			cpci_stop_thread();
-		}
-		if(controller->irq) {
+		if (controller->irq)
 			free_irq(controller->irq, controller->dev_id);
-		}
 		controller = NULL;
-	} else {
+		cleanup_slots();
+	} else
 		status = -ENODEV;
-	}
 	return status;
 }
 
@@ -691,32 +702,28 @@ cpci_hp_start(void)
 	int status;
 
 	dbg("%s - enter", __FUNCTION__);
-	if(!controller) {
+	if (!controller)
 		return -ENODEV;
-	}
 
 	down_read(&list_rwsem);
-	if(list_empty(&slot_list)) {
+	if (list_empty(&slot_list)) {
 		up_read(&list_rwsem);
 		return -ENODEV;
 	}
 	up_read(&list_rwsem);
 
-	if(first) {
-		status = init_slots();
-		if(status) {
-			return status;
-		}
+	status = init_slots(first);
+	if (first)
 		first = 0;
-	}
+	if (status)
+		return status;
 
 	status = cpci_start_thread();
-	if(status) {
+	if (status)
 		return status;
-	}
 	dbg("%s - thread started", __FUNCTION__);
 
-	if(controller->irq) {
+	if (controller->irq) {
 		/* Start enum interrupt processing */
 		dbg("%s - enabling irq", __FUNCTION__);
 		controller->ops->enable_irq();
@@ -728,13 +735,9 @@ cpci_hp_start(void)
 int
 cpci_hp_stop(void)
 {
-	if(!controller) {
+	if (!controller)
 		return -ENODEV;
-	}
-	if(atomic_read(&extracting) != 0) {
-		return -EBUSY;
-	}
-	if(controller->irq) {
+	if (controller->irq) {
 		/* Stop enum interrupt processing */
 		dbg("%s - disabling irq", __FUNCTION__);
 		controller->ops->disable_irq();
@@ -743,34 +746,6 @@ cpci_hp_stop(void)
 	return 0;
 }
 
-static void __exit
-cleanup_slots(void)
-{
-	struct list_head *tmp;
-	struct slot *slot;
-
-	/*
-	 * Unregister all of our slots with the pci_hotplug subsystem,
-	 * and free up all memory that we had allocated.
-	 */
-	down_write(&list_rwsem);
-	if(!slots) {
-		goto null_cleanup;
-	}
-	list_for_each(tmp, &slot_list) {
-		slot = list_entry(tmp, struct slot, slot_list);
-		list_del(&slot->slot_list);
-		pci_hp_deregister(slot->hotplug_slot);
-		kfree(slot->hotplug_slot->info);
-		kfree(slot->hotplug_slot->name);
-		kfree(slot->hotplug_slot);
-		kfree(slot);
-	}
-      null_cleanup:
-	up_write(&list_rwsem);
-	return;
-}
-
 int __init
 cpci_hotplug_init(int debug)
 {
@@ -784,7 +759,8 @@ cpci_hotplug_exit(void)
 	/*
 	 * Clean everything up.
 	 */
-	cleanup_slots();
+	cpci_hp_stop();
+	cpci_hp_unregister_controller(controller);
 }
 
 EXPORT_SYMBOL_GPL(cpci_hp_register_controller);
diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c
index 69eb4fc..225b5e5 100644
--- a/drivers/pci/hotplug/cpci_hotplug_pci.c
+++ b/drivers/pci/hotplug/cpci_hotplug_pci.c
@@ -1,7 +1,7 @@
 /*
  * CompactPCI Hot Plug Driver PCI functions
  *
- * Copyright (C) 2002 by SOMA Networks, Inc.
+ * Copyright (C) 2002,2005 by SOMA Networks, Inc.
  *
  * All rights reserved.
  *
@@ -38,10 +38,10 @@ extern int cpci_debug;
 
 #define dbg(format, arg...)					\
 	do {							\
-		if(cpci_debug)					\
+		if (cpci_debug)					\
 			printk (KERN_DEBUG "%s: " format "\n",	\
 				MY_NAME , ## arg); 		\
-	} while(0)
+	} while (0)
 #define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME , ## arg)
 #define info(format, arg...) printk(KERN_INFO "%s: " format "\n", MY_NAME , ## arg)
 #define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", MY_NAME , ## arg)
@@ -57,16 +57,15 @@ u8 cpci_get_attention_status(struct slot* slot)
 	hs_cap = pci_bus_find_capability(slot->bus,
 					 slot->devfn,
 					 PCI_CAP_ID_CHSWP);
-	if(!hs_cap) {
+	if (!hs_cap)
 		return 0;
-	}
 
-	if(pci_bus_read_config_word(slot->bus,
+	if (pci_bus_read_config_word(slot->bus,
 				     slot->devfn,
 				     hs_cap + 2,
-				     &hs_csr)) {
+				     &hs_csr))
 		return 0;
-	}
+
 	return hs_csr & 0x0008 ? 1 : 0;
 }
 
@@ -78,27 +77,22 @@ int cpci_set_attention_status(struct slot* slot, int status)
 	hs_cap = pci_bus_find_capability(slot->bus,
 					 slot->devfn,
 					 PCI_CAP_ID_CHSWP);
-	if(!hs_cap) {
+	if (!hs_cap)
 		return 0;
-	}
-
-	if(pci_bus_read_config_word(slot->bus,
+	if (pci_bus_read_config_word(slot->bus,
 				     slot->devfn,
 				     hs_cap + 2,
-				     &hs_csr)) {
+				     &hs_csr))
 		return 0;
-	}
-	if(status) {
+	if (status)
 		hs_csr |= HS_CSR_LOO;
-	} else {
+	else
 		hs_csr &= ~HS_CSR_LOO;
-	}
-	if(pci_bus_write_config_word(slot->bus,
+	if (pci_bus_write_config_word(slot->bus,
 				      slot->devfn,
 				      hs_cap + 2,
-				      hs_csr)) {
+				      hs_csr))
 		return 0;
-	}
 	return 1;
 }
 
@@ -110,16 +104,13 @@ u16 cpci_get_hs_csr(struct slot* slot)
 	hs_cap = pci_bus_find_capability(slot->bus,
 					 slot->devfn,
 					 PCI_CAP_ID_CHSWP);
-	if(!hs_cap) {
+	if (!hs_cap)
 		return 0xFFFF;
-	}
-
-	if(pci_bus_read_config_word(slot->bus,
+	if (pci_bus_read_config_word(slot->bus,
 				     slot->devfn,
 				     hs_cap + 2,
-				     &hs_csr)) {
+				     &hs_csr))
 		return 0xFFFF;
-	}
 	return hs_csr;
 }
 
@@ -132,24 +123,22 @@ int cpci_check_and_clear_ins(struct slot* slot)
 	hs_cap = pci_bus_find_capability(slot->bus,
 					 slot->devfn,
 					 PCI_CAP_ID_CHSWP);
-	if(!hs_cap) {
+	if (!hs_cap)
 		return 0;
-	}
-	if(pci_bus_read_config_word(slot->bus,
+	if (pci_bus_read_config_word(slot->bus,
 				     slot->devfn,
 				     hs_cap + 2,
-				     &hs_csr)) {
+				     &hs_csr))
 		return 0;
-	}
-	if(hs_csr & HS_CSR_INS) {
+	if (hs_csr & HS_CSR_INS) {
 		/* Clear INS (by setting it) */
-		if(pci_bus_write_config_word(slot->bus,
+		if (pci_bus_write_config_word(slot->bus,
 					      slot->devfn,
 					      hs_cap + 2,
-					      hs_csr)) {
+					      hs_csr))
 			ins = 0;
-		}
-		ins = 1;
+		else
+			ins = 1;
 	}
 	return ins;
 }
@@ -163,18 +152,15 @@ int cpci_check_ext(struct slot* slot)
 	hs_cap = pci_bus_find_capability(slot->bus,
 					 slot->devfn,
 					 PCI_CAP_ID_CHSWP);
-	if(!hs_cap) {
+	if (!hs_cap)
 		return 0;
-	}
-	if(pci_bus_read_config_word(slot->bus,
+	if (pci_bus_read_config_word(slot->bus,
 				     slot->devfn,
 				     hs_cap + 2,
-				     &hs_csr)) {
+				     &hs_csr))
 		return 0;
-	}
-	if(hs_csr & HS_CSR_EXT) {
+	if (hs_csr & HS_CSR_EXT)
 		ext = 1;
-	}
 	return ext;
 }
 
@@ -186,23 +172,20 @@ int cpci_clear_ext(struct slot* slot)
 	hs_cap = pci_bus_find_capability(slot->bus,
 					 slot->devfn,
 					 PCI_CAP_ID_CHSWP);
-	if(!hs_cap) {
+	if (!hs_cap)
 		return -ENODEV;
-	}
-	if(pci_bus_read_config_word(slot->bus,
+	if (pci_bus_read_config_word(slot->bus,
 				     slot->devfn,
 				     hs_cap + 2,
-				     &hs_csr)) {
+				     &hs_csr))
 		return -ENODEV;
-	}
-	if(hs_csr & HS_CSR_EXT) {
+	if (hs_csr & HS_CSR_EXT) {
 		/* Clear EXT (by setting it) */
-		if(pci_bus_write_config_word(slot->bus,
+		if (pci_bus_write_config_word(slot->bus,
 					      slot->devfn,
 					      hs_cap + 2,
-					      hs_csr)) {
+					      hs_csr))
 			return -ENODEV;
-		}
 	}
 	return 0;
 }
@@ -215,18 +198,16 @@ int cpci_led_on(struct slot* slot)
 	hs_cap = pci_bus_find_capability(slot->bus,
 					 slot->devfn,
 					 PCI_CAP_ID_CHSWP);
-	if(!hs_cap) {
+	if (!hs_cap)
 		return -ENODEV;
-	}
-	if(pci_bus_read_config_word(slot->bus,
+	if (pci_bus_read_config_word(slot->bus,
 				     slot->devfn,
 				     hs_cap + 2,
-				     &hs_csr)) {
+				     &hs_csr))
 		return -ENODEV;
-	}
-	if((hs_csr & HS_CSR_LOO) != HS_CSR_LOO) {
+	if ((hs_csr & HS_CSR_LOO) != HS_CSR_LOO) {
 		hs_csr |= HS_CSR_LOO;
-		if(pci_bus_write_config_word(slot->bus,
+		if (pci_bus_write_config_word(slot->bus,
 					      slot->devfn,
 					      hs_cap + 2,
 					      hs_csr)) {
@@ -246,18 +227,16 @@ int cpci_led_off(struct slot* slot)
 	hs_cap = pci_bus_find_capability(slot->bus,
 					 slot->devfn,
 					 PCI_CAP_ID_CHSWP);
-	if(!hs_cap) {
+	if (!hs_cap)
 		return -ENODEV;
-	}
-	if(pci_bus_read_config_word(slot->bus,
+	if (pci_bus_read_config_word(slot->bus,
 				     slot->devfn,
 				     hs_cap + 2,
-				     &hs_csr)) {
+				     &hs_csr))
 		return -ENODEV;
-	}
-	if(hs_csr & HS_CSR_LOO) {
+	if (hs_csr & HS_CSR_LOO) {
 		hs_csr &= ~HS_CSR_LOO;
-		if(pci_bus_write_config_word(slot->bus,
+		if (pci_bus_write_config_word(slot->bus,
 					      slot->devfn,
 					      hs_cap + 2,
 					      hs_csr)) {
@@ -274,19 +253,6 @@ int cpci_led_off(struct slot* slot)
  * Device configuration functions
  */
 
-static void cpci_enable_device(struct pci_dev *dev)
-{
-	struct pci_bus *bus;
-
-	pci_enable_device(dev);
-	if(dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
-		bus = dev->subordinate;
-		list_for_each_entry(dev, &bus->devices, bus_list) {
-			cpci_enable_device(dev);
-		}
-	}
-}
-
 int cpci_configure_slot(struct slot* slot)
 {
 	unsigned char busnr;
@@ -294,14 +260,14 @@ int cpci_configure_slot(struct slot* slot)
 
 	dbg("%s - enter", __FUNCTION__);
 
-	if(slot->dev == NULL) {
+	if (slot->dev == NULL) {
 		dbg("pci_dev null, finding %02x:%02x:%x",
 		    slot->bus->number, PCI_SLOT(slot->devfn), PCI_FUNC(slot->devfn));
-		slot->dev = pci_find_slot(slot->bus->number, slot->devfn);
+		slot->dev = pci_get_slot(slot->bus, slot->devfn);
 	}
 
 	/* Still NULL? Well then scan for it! */
-	if(slot->dev == NULL) {
+	if (slot->dev == NULL) {
 		int n;
 		dbg("pci_dev still null");
 
@@ -311,10 +277,10 @@ int cpci_configure_slot(struct slot* slot)
 		 */
 		n = pci_scan_slot(slot->bus, slot->devfn);
 		dbg("%s: pci_scan_slot returned %d", __FUNCTION__, n);
-		if(n > 0)
+		if (n > 0)
 			pci_bus_add_devices(slot->bus);
-		slot->dev = pci_find_slot(slot->bus->number, slot->devfn);
-		if(slot->dev == NULL) {
+		slot->dev = pci_get_slot(slot->bus, slot->devfn);
+		if (slot->dev == NULL) {
 			err("Could not find PCI device for slot %02x", slot->number);
 			return 1;
 		}
@@ -329,8 +295,6 @@ int cpci_configure_slot(struct slot* slot)
 
 	pci_bus_assign_resources(slot->dev->bus);
 
-	cpci_enable_device(slot->dev);
-
 	dbg("%s - exit", __FUNCTION__);
 	return 0;
 }
@@ -341,19 +305,22 @@ int cpci_unconfigure_slot(struct slot* slot)
 	struct pci_dev *dev;
 
 	dbg("%s - enter", __FUNCTION__);
-	if(!slot->dev) {
+	if (!slot->dev) {
 		err("No device for slot %02x\n", slot->number);
 		return -ENODEV;
 	}
 
 	for (i = 0; i < 8; i++) {
-		dev = pci_find_slot(slot->bus->number,
+		dev = pci_get_slot(slot->bus,
 				    PCI_DEVFN(PCI_SLOT(slot->devfn), i));
-		if(dev) {
+		if (dev) {
 			pci_remove_bus_device(dev);
-			slot->dev = NULL;
+			pci_dev_put(dev);
 		}
 	}
+	pci_dev_put(slot->dev);
+	slot->dev = NULL;
+
 	dbg("%s - exit", __FUNCTION__);
 	return 0;
 }
diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c
index 41c7971..4c11048 100644
--- a/drivers/pci/hotplug/cpqphp_sysfs.c
+++ b/drivers/pci/hotplug/cpqphp_sysfs.c
@@ -38,7 +38,7 @@
 
 /* A few routines that create sysfs entries for the hot plug controller */
 
-static ssize_t show_ctrl (struct device *dev, char *buf)
+static ssize_t show_ctrl (struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct pci_dev *pci_dev;
 	struct controller *ctrl;
@@ -82,7 +82,7 @@ static ssize_t show_ctrl (struct device *dev, char *buf)
 }
 static DEVICE_ATTR (ctrl, S_IRUGO, show_ctrl, NULL);
 
-static ssize_t show_dev (struct device *dev, char *buf)
+static ssize_t show_dev (struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct pci_dev *pci_dev;
 	struct controller *ctrl;
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index c802f62..c428290 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -73,7 +73,7 @@ static ssize_t hotplug_slot_attr_show(struct kobject *kobj,
 {
 	struct hotplug_slot *slot = to_hotplug_slot(kobj);
 	struct hotplug_slot_attribute *attribute = to_hotplug_attr(attr);
-	return attribute->show ? attribute->show(slot, buf) : 0;
+	return attribute->show ? attribute->show(slot, buf) : -EIO;
 }
 
 static ssize_t hotplug_slot_attr_store(struct kobject *kobj,
@@ -81,7 +81,7 @@ static ssize_t hotplug_slot_attr_store(struct kobject *kobj,
 {
 	struct hotplug_slot *slot = to_hotplug_slot(kobj);
 	struct hotplug_slot_attribute *attribute = to_hotplug_attr(attr);
-	return attribute->store ? attribute->store(slot, buf, len) : 0;
+	return attribute->store ? attribute->store(slot, buf, len) : -EIO;
 }
 
 static struct sysfs_ops hotplug_slot_sysfs_ops = {
diff --git a/drivers/pci/hotplug/rpadlpar_sysfs.c b/drivers/pci/hotplug/rpadlpar_sysfs.c
index 3285b82..752e651 100644
--- a/drivers/pci/hotplug/rpadlpar_sysfs.c
+++ b/drivers/pci/hotplug/rpadlpar_sysfs.c
@@ -48,7 +48,7 @@ dlpar_attr_store(struct kobject * kobj, struct attribute * attr,
 	struct dlpar_io_attr *dlpar_attr = container_of(attr,
 						struct dlpar_io_attr, attr);
 	return dlpar_attr->store ?
-		dlpar_attr->store(dlpar_attr, buf, nbytes) : 0;
+		dlpar_attr->store(dlpar_attr, buf, nbytes) : -EIO;
 }
 
 static struct sysfs_ops dlpar_attr_sysfs_ops = {
diff --git a/drivers/pci/hotplug/shpchp_sysfs.c b/drivers/pci/hotplug/shpchp_sysfs.c
index 9a1ee13..c9445eb 100644
--- a/drivers/pci/hotplug/shpchp_sysfs.c
+++ b/drivers/pci/hotplug/shpchp_sysfs.c
@@ -38,7 +38,7 @@
 
 /* A few routines that create sysfs entries for the hot plug controller */
 
-static ssize_t show_ctrl (struct device *dev, char *buf)
+static ssize_t show_ctrl (struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct pci_dev *pci_dev;
 	struct controller *ctrl;
@@ -82,7 +82,7 @@ static ssize_t show_ctrl (struct device *dev, char *buf)
 }
 static DEVICE_ATTR (ctrl, S_IRUGO, show_ctrl, NULL);
 
-static ssize_t show_dev (struct device *dev, char *buf)
+static ssize_t show_dev (struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct pci_dev *pci_dev;
 	struct controller *ctrl;
diff --git a/drivers/pci/hotplug/shpchprm_acpi.c b/drivers/pci/hotplug/shpchprm_acpi.c
index 243a51d..7957cdc 100644
--- a/drivers/pci/hotplug/shpchprm_acpi.c
+++ b/drivers/pci/hotplug/shpchprm_acpi.c
@@ -1626,7 +1626,7 @@ int shpchprm_set_hpp(
 	pci_bus->number = func->bus;
 	devfn = PCI_DEVFN(func->device, func->function);
 
-	ab = find_acpi_bridge_by_bus(acpi_bridges_head, ctrl->seg, ctrl->bus);
+	ab = find_acpi_bridge_by_bus(acpi_bridges_head, ctrl->seg, ctrl->slot_bus);
 
 	if (ab) {
 		if (ab->_hpp) {
@@ -1681,7 +1681,7 @@ void shpchprm_enable_card(
 		| PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
 	bcmd = bcommand  = bcommand | PCI_BRIDGE_CTL_NO_ISA;
 
-	ab = find_acpi_bridge_by_bus(acpi_bridges_head, ctrl->seg, ctrl->bus);
+	ab = find_acpi_bridge_by_bus(acpi_bridges_head, ctrl->seg, ctrl->slot_bus);
 	if (ab) {
 		if (ab->_hpp) {
 			if (ab->_hpp->enable_perr) {
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index fe98553..e65bf2b 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -335,13 +335,14 @@ pci_driver_attr_show(struct kobject * kobj, struct attribute *attr, char *buf)
 {
 	struct device_driver *driver = kobj_to_pci_driver(kobj);
 	struct driver_attribute *dattr = attr_to_driver_attribute(attr);
-	ssize_t ret = 0;
+	ssize_t ret;
 
-	if (get_driver(driver)) {
-		if (dattr->show)
-			ret = dattr->show(driver, buf);
-		put_driver(driver);
-	}
+	if (!get_driver(driver))
+		return -ENODEV;
+
+	ret = dattr->show ? dattr->show(driver, buf) : -EIO;
+
+	put_driver(driver);
 	return ret;
 }
 
@@ -351,13 +352,14 @@ pci_driver_attr_store(struct kobject * kobj, struct attribute *attr,
 {
 	struct device_driver *driver = kobj_to_pci_driver(kobj);
 	struct driver_attribute *dattr = attr_to_driver_attribute(attr);
-	ssize_t ret = 0;
+	ssize_t ret;
 
-	if (get_driver(driver)) {
-		if (dattr->store)
-			ret = dattr->store(driver, buf, count);
-		put_driver(driver);
-	}
+	if (!get_driver(driver))
+		return -ENODEV;
+
+	ret = dattr->store ? dattr->store(driver, buf, count) : -EIO;
+
+	put_driver(driver);
 	return ret;
 }
 
@@ -393,7 +395,10 @@ int pci_register_driver(struct pci_driver *drv)
 	drv->driver.bus = &pci_bus_type;
 	drv->driver.probe = pci_device_probe;
 	drv->driver.remove = pci_device_remove;
-	drv->driver.shutdown = pci_device_shutdown,
+	/* FIXME, once all of the existing PCI drivers have been fixed to set
+	 * the pci shutdown function, this test can go away. */
+	if (!drv->driver.shutdown)
+		drv->driver.shutdown = pci_device_shutdown;
 	drv->driver.owner = drv->owner;
 	drv->driver.kobj.ktype = &pci_driver_kobj_type;
 	pci_init_dynids(&drv->dynids);
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 6ca0061..a15f940 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -29,7 +29,7 @@ static int sysfs_initialized;	/* = 0 */
 /* show configuration fields */
 #define pci_config_attr(field, format_string)				\
 static ssize_t								\
-field##_show(struct device *dev, char *buf)				\
+field##_show(struct device *dev, struct device_attribute *attr, char *buf)				\
 {									\
 	struct pci_dev *pdev;						\
 									\
@@ -44,7 +44,7 @@ pci_config_attr(subsystem_device, "0x%04x\n");
 pci_config_attr(class, "0x%06x\n");
 pci_config_attr(irq, "%u\n");
 
-static ssize_t local_cpus_show(struct device *dev, char *buf)
+static ssize_t local_cpus_show(struct device *dev, struct device_attribute *attr, char *buf)
 {		
 	cpumask_t mask = pcibus_to_cpumask(to_pci_dev(dev)->bus);
 	int len = cpumask_scnprintf(buf, PAGE_SIZE-2, mask);
@@ -54,7 +54,7 @@ static ssize_t local_cpus_show(struct device *dev, char *buf)
 
 /* show resources */
 static ssize_t
-resource_show(struct device * dev, char * buf)
+resource_show(struct device * dev, struct device_attribute *attr, char * buf)
 {
 	struct pci_dev * pci_dev = to_pci_dev(dev);
 	char * str = buf;
@@ -73,7 +73,7 @@ resource_show(struct device * dev, char * buf)
 	return (str - buf);
 }
 
-static ssize_t modalias_show(struct device *dev, char *buf)
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct pci_dev *pci_dev = to_pci_dev(dev);
 
@@ -339,16 +339,17 @@ pci_create_resource_files(struct pci_dev *pdev)
 		if (!pci_resource_len(pdev, i))
 			continue;
 
-		res_attr = kmalloc(sizeof(*res_attr) + 10, GFP_ATOMIC);
+		/* allocate attribute structure, piggyback attribute name */
+		res_attr = kcalloc(1, sizeof(*res_attr) + 10, GFP_ATOMIC);
 		if (res_attr) {
-			memset(res_attr, 0, sizeof(*res_attr) + 10);
+			char *res_attr_name = (char *)(res_attr + 1);
+
 			pdev->res_attr[i] = res_attr;
-			/* Allocated above after the res_attr struct */
-			res_attr->attr.name = (char *)(res_attr + 1);
-			sprintf(res_attr->attr.name, "resource%d", i);
-			res_attr->size = pci_resource_len(pdev, i);
+			sprintf(res_attr_name, "resource%d", i);
+			res_attr->attr.name = res_attr_name;
 			res_attr->attr.mode = S_IRUSR | S_IWUSR;
 			res_attr->attr.owner = THIS_MODULE;
+			res_attr->size = pci_resource_len(pdev, i);
 			res_attr->mmap = pci_mmap_resource;
 			res_attr->private = &pdev->resource[i];
 			sysfs_create_bin_file(&pdev->dev.kobj, res_attr);
diff --git a/drivers/pci/pci.ids b/drivers/pci/pci.ids
index 93481b4..1d2ef1e 100644
--- a/drivers/pci/pci.ids
+++ b/drivers/pci/pci.ids
@@ -7173,6 +7173,7 @@
 	080f  Sentry5 DDR/SDR RAM Controller
 	0811  Sentry5 External Interface Core
 	0816  BCM3302 Sentry5 MIPS32 CPU
+	1600  NetXtreme BCM5752 Gigabit Ethernet PCI Express
 	1644  NetXtreme BCM5700 Gigabit Ethernet
 		1014 0277  Broadcom Vigil B5700 1000Base-T
 		1028 00d1  Broadcom BCM5700
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 5762857..f5c5f10 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -232,19 +232,16 @@ static void pcie_device_init(struct pci_dev *parent, struct pcie_device *dev,
 	/* Initialize generic device interface */
 	device = &dev->device;
 	memset(device, 0, sizeof(struct device));
-	INIT_LIST_HEAD(&device->node);
-	INIT_LIST_HEAD(&device->children);
-	INIT_LIST_HEAD(&device->bus_list);
 	device->bus = &pcie_port_bus_type;
 	device->driver = NULL;
-	device->driver_data = NULL; 
+	device->driver_data = NULL;
 	device->release = release_pcie_device;	/* callback to free pcie dev */
-	sprintf(&device->bus_id[0], "pcie%02x", 
+	sprintf(&device->bus_id[0], "pcie%02x",
 		get_descriptor_id(port_type, service_type));
 	device->parent = &parent->dev;
 }
 
-static struct pcie_device* alloc_pcie_device(struct pci_dev *parent, 
+static struct pcie_device* alloc_pcie_device(struct pci_dev *parent,
 	int port_type, int service_type, int irq, int irq_mode)
 {
 	struct pcie_device *device;
@@ -270,9 +267,9 @@ int pcie_port_device_probe(struct pci_dev *dev)
 	pci_read_config_word(dev, pos + PCIE_CAPABILITIES_REG, &reg);
 	type = (reg >> 4) & PORT_TYPE_MASK;
 	if (	type == PCIE_RC_PORT || type == PCIE_SW_UPSTREAM_PORT ||
-		type == PCIE_SW_DOWNSTREAM_PORT )  
+		type == PCIE_SW_DOWNSTREAM_PORT )
 		return 0;
- 
+
 	return -ENODEV;
 }
 
@@ -283,8 +280,8 @@ int pcie_port_device_register(struct pci_dev *dev)
 	u16 reg16;
 
 	/* Get port type */
-	pci_read_config_word(dev, 
-		pci_find_capability(dev, PCI_CAP_ID_EXP) + 
+	pci_read_config_word(dev,
+		pci_find_capability(dev, PCI_CAP_ID_EXP) +
 		PCIE_CAPABILITIES_REG, &reg16);
 	type = (reg16 >> 4) & PORT_TYPE_MASK;
 
@@ -299,11 +296,11 @@ int pcie_port_device_register(struct pci_dev *dev)
 		if (capabilities & (1 << i)) {
 			child = alloc_pcie_device(
 				dev, 		/* parent */
-				type,		/* port type */ 
+				type,		/* port type */
 				i,		/* service type */
 				vectors[i],	/* irq */
 				irq_mode	/* interrupt mode */);
-			if (child) { 
+			if (child) {
 				status = device_register(&child->device);
 				if (status) {
 					kfree(child);
@@ -317,84 +314,78 @@ int pcie_port_device_register(struct pci_dev *dev)
 }
 
 #ifdef CONFIG_PM
-int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state)
+static int suspend_iter(struct device *dev, void *data)
 {
-	struct list_head 		*head, *tmp;
-	struct device 			*parent, *child;
-	struct device_driver 		*driver;
 	struct pcie_port_service_driver *service_driver;
+	u32 state = (u32)data;
+
+ 	if ((dev->bus == &pcie_port_bus_type) &&
+ 	    (dev->driver)) {
+ 		service_driver = to_service_driver(dev->driver);
+ 		if (service_driver->suspend)
+ 			service_driver->suspend(to_pcie_device(dev), state);
+  	}
+	return 0;
+}
 
-	parent = &dev->dev;
-	head = &parent->children;
-	tmp = head->next;
-	while (head != tmp) {
-		child = container_of(tmp, struct device, node);
-		tmp = tmp->next;
-		if (child->bus != &pcie_port_bus_type)
-			continue;
-		driver = child->driver;
-		if (!driver)
-			continue;
-		service_driver = to_service_driver(driver);
-		if (service_driver->suspend)  
-			service_driver->suspend(to_pcie_device(child), state);
-	}
-	return 0; 
+int pcie_port_device_suspend(struct pci_dev *dev, u32 state)
+{
+	device_for_each_child(&dev->dev, (void *)state, suspend_iter);
+	return 0;
 }
 
-int pcie_port_device_resume(struct pci_dev *dev) 
-{ 
-	struct list_head 		*head, *tmp;
-	struct device 			*parent, *child;
-	struct device_driver 		*driver;
+static int resume_iter(struct device *dev, void *data)
+{
 	struct pcie_port_service_driver *service_driver;
 
-	parent = &dev->dev;
-	head = &parent->children;
-	tmp = head->next;
-	while (head != tmp) {
-		child = container_of(tmp, struct device, node);
-		tmp = tmp->next;
-		if (child->bus != &pcie_port_bus_type)
-			continue;
-		driver = child->driver;
-		if (!driver)
-			continue;
-		service_driver = to_service_driver(driver);
-		if (service_driver->resume)  
-			service_driver->resume(to_pcie_device(child));
+	if ((dev->bus == &pcie_port_bus_type) &&
+	    (dev->driver)) {
+		service_driver = to_service_driver(dev->driver);
+		if (service_driver->resume)
+			service_driver->resume(to_pcie_device(dev));
 	}
-	return 0; 
+	return 0;
+}
 
+int pcie_port_device_resume(struct pci_dev *dev)
+{
+	device_for_each_child(&dev->dev, NULL, resume_iter);
+	return 0;
 }
 #endif
 
-void pcie_port_device_remove(struct pci_dev *dev)
+static int remove_iter(struct device *dev, void *data)
 {
-	struct list_head 		*head, *tmp;
-	struct device 			*parent, *child;
-	struct device_driver 		*driver;
 	struct pcie_port_service_driver *service_driver;
-	int interrupt_mode = PCIE_PORT_INTx_MODE;
 
-	parent = &dev->dev;
-	head = &parent->children;
-	tmp = head->next;
-	while (head != tmp) {
-		child = container_of(tmp, struct device, node);
-		tmp = tmp->next;
-		if (child->bus != &pcie_port_bus_type)
-			continue;
-		driver = child->driver;
-		if (driver) { 
-			service_driver = to_service_driver(driver);
-			if (service_driver->remove)  
-				service_driver->remove(to_pcie_device(child));
+	if (dev->bus == &pcie_port_bus_type) {
+		if (dev->driver) {
+			service_driver = to_service_driver(dev->driver);
+			if (service_driver->remove)
+				service_driver->remove(to_pcie_device(dev));
 		}
-		interrupt_mode = (to_pcie_device(child))->interrupt_mode;
-		put_device(child);
-		device_unregister(child);
+		*(unsigned long*)data = (unsigned long)dev;
+		return 1;
 	}
+	return 0;
+}
+
+void pcie_port_device_remove(struct pci_dev *dev)
+{
+	struct device *device;
+	unsigned long device_addr;
+	int interrupt_mode = PCIE_PORT_INTx_MODE;
+	int status;
+
+	do {
+		status = device_for_each_child(&dev->dev, &device_addr, remove_iter);
+		if (status) {
+			device = (struct device*)device_addr;
+			interrupt_mode = (to_pcie_device(device))->interrupt_mode;
+			put_device(device);
+			device_unregister(device);
+		}
+	} while (status);
 	/* Switch to INTx by default if MSI enabled */
 	if (interrupt_mode == PCIE_PORT_MSIX_MODE)
 		pci_disable_msix(dev);
@@ -423,7 +414,7 @@ int pcie_port_service_register(struct pcie_port_service_driver *new)
 	new->driver.resume = pcie_port_resume_service;
 
 	return driver_register(&new->driver);
-} 
+}
 
 void pcie_port_service_unregister(struct pcie_port_service_driver *new)
 {
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index b7ae878..fd48b20 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -125,7 +125,7 @@ static inline unsigned int pci_calc_resource_flags(unsigned int flags)
 /*
  * Find the extent of a PCI decode..
  */
-static u32 pci_size(u32 base, u32 maxbase, unsigned long mask)
+static u32 pci_size(u32 base, u32 maxbase, u32 mask)
 {
 	u32 size = mask & maxbase;	/* Find the significant bits */
 	if (!size)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 637e949..968033f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -456,21 +456,16 @@ static void __init quirk_amd_8131_ioapic(struct pci_dev *dev)
 } 
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_APIC,         quirk_amd_8131_ioapic ); 
 
+static void __init quirk_svw_msi(struct pci_dev *dev)
+{
+	pci_msi_quirk = 1;
+	printk(KERN_WARNING "PCI: MSI quirk detected. pci_msi_quirk set.\n");
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_GCNB_LE, quirk_svw_msi );
 #endif /* CONFIG_X86_IO_APIC */
 
 
 /*
- * Via 686A/B:  The PCI_INTERRUPT_LINE register for the on-chip
- * devices, USB0/1, AC97, MC97, and ACPI, has an unusual feature:
- * when written, it makes an internal connection to the PIC.
- * For these devices, this register is defined to be 4 bits wide.
- * Normally this is fine.  However for IO-APIC motherboards, or
- * non-x86 architectures (yes Via exists on PPC among other places),
- * we must mask the PCI_INTERRUPT_LINE value versus 0xf to get
- * interrupts delivered properly.
- */
-
-/*
  * FIXME: it is questionable that quirk_via_acpi
  * is needed.  It shows up as an ISA bridge, and does not
  * support the PCI_INTERRUPT_LINE register at all.  Therefore
@@ -492,28 +487,30 @@ static void __devinit quirk_via_acpi(struct pci_dev *d)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C586_3,	quirk_via_acpi );
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C686_4,	quirk_via_acpi );
 
-static void quirk_via_irqpic(struct pci_dev *dev)
+/*
+ * Via 686A/B:  The PCI_INTERRUPT_LINE register for the on-chip
+ * devices, USB0/1, AC97, MC97, and ACPI, has an unusual feature:
+ * when written, it makes an internal connection to the PIC.
+ * For these devices, this register is defined to be 4 bits wide.
+ * Normally this is fine.  However for IO-APIC motherboards, or
+ * non-x86 architectures (yes Via exists on PPC among other places),
+ * we must mask the PCI_INTERRUPT_LINE value versus 0xf to get
+ * interrupts delivered properly.
+ */
+static void quirk_via_irq(struct pci_dev *dev)
 {
 	u8 irq, new_irq;
 
-#ifdef CONFIG_X86_IO_APIC
-	if (nr_ioapics && !skip_ioapic_setup)
-		return;
-#endif
-#ifdef CONFIG_ACPI
-	if (acpi_irq_model != ACPI_IRQ_MODEL_PIC)
-		return;
-#endif
 	new_irq = dev->irq & 0xf;
 	pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
 	if (new_irq != irq) {
-		printk(KERN_INFO "PCI: Via PIC IRQ fixup for %s, from %d to %d\n",
+		printk(KERN_INFO "PCI: Via IRQ fixup for %s, from %d to %d\n",
 			pci_name(dev), irq, new_irq);
 		udelay(15);	/* unknown if delay really needed */
 		pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);
 	}
 }
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irqpic);
+DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq);
 
 /*
  * PIIX3 USB: We have to disable USB interrupts that are