From 5c3c49cc28d57b88ed824dc5775dba586b971d9f Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <djwong@us.ibm.com>
Date: Tue, 25 Nov 2008 13:51:44 -0800
Subject: [PATCH] --- yaml --- r: 130801 b: refs/heads/master c:
 bf4162bcf82ebc3258d6bc0ddd6453132abde72d h: refs/heads/master i:   130799:
 684f09ea419bfc58197a05e136209de717ef40b6 v: v3

---
 [refs]                              |  2 +-
 trunk/drivers/pci/hotplug/fakephp.c | 42 ++++++++++++++++++-----------
 2 files changed, 27 insertions(+), 17 deletions(-)

diff --git a/[refs] b/[refs]
index 68c8c90622cb..f973617760aa 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bffac3c593eba1f9da3efd0199e49ea6558a40ce
+refs/heads/master: bf4162bcf82ebc3258d6bc0ddd6453132abde72d
diff --git a/trunk/drivers/pci/hotplug/fakephp.c b/trunk/drivers/pci/hotplug/fakephp.c
index b0e7de9e536d..d8649e127298 100644
--- a/trunk/drivers/pci/hotplug/fakephp.c
+++ b/trunk/drivers/pci/hotplug/fakephp.c
@@ -195,13 +195,13 @@ static void remove_slot_worker(struct work_struct *work)
  * Tries hard not to re-enable already existing devices;
  * also handles scanning of subfunctions.
  */
-static void pci_rescan_slot(struct pci_dev *temp)
+static int pci_rescan_slot(struct pci_dev *temp)
 {
 	struct pci_bus *bus = temp->bus;
 	struct pci_dev *dev;
 	int func;
-	int retval;
 	u8 hdr_type;
+	int count = 0;
 
 	if (!pci_read_config_byte(temp, PCI_HEADER_TYPE, &hdr_type)) {
 		temp->hdr_type = hdr_type & 0x7f;
@@ -213,17 +213,12 @@ static void pci_rescan_slot(struct pci_dev *temp)
 				dbg("New device on %s function %x:%x\n",
 					bus->name, temp->devfn >> 3,
 					temp->devfn & 7);
-				retval = pci_bus_add_device(dev);
-				if (retval)
-					dev_err(&dev->dev, "error adding "
-						"device, continuing.\n");
-				else
-					add_slot(dev);
+				count++;
 			}
 		}
 		/* multifunction device? */
 		if (!(hdr_type & 0x80))
-			return;
+			return count;
 
 		/* continue scanning for other functions */
 		for (func = 1, temp->devfn++; func < 8; func++, temp->devfn++) {
@@ -239,16 +234,13 @@ static void pci_rescan_slot(struct pci_dev *temp)
 					dbg("New device on %s function %x:%x\n",
 						bus->name, temp->devfn >> 3,
 						temp->devfn & 7);
-					retval = pci_bus_add_device(dev);
-					if (retval)
-						dev_err(&dev->dev, "error adding "
-							"device, continuing.\n");
-					else
-						add_slot(dev);
+					count++;
 				}
 			}
 		}
 	}
+
+	return count;
 }
 
 
@@ -262,6 +254,8 @@ static void pci_rescan_bus(const struct pci_bus *bus)
 {
 	unsigned int devfn;
 	struct pci_dev *dev;
+	int retval;
+	int found = 0;
 	dev = alloc_pci_dev();
 	if (!dev)
 		return;
@@ -270,7 +264,23 @@ static void pci_rescan_bus(const struct pci_bus *bus)
 	dev->sysdata = bus->sysdata;
 	for (devfn = 0; devfn < 0x100; devfn += 8) {
 		dev->devfn = devfn;
-		pci_rescan_slot(dev);
+		found += pci_rescan_slot(dev);
+	}
+
+	if (found) {
+		pci_bus_assign_resources(bus);
+		list_for_each_entry(dev, &bus->devices, bus_list) {
+			/* Skip already-added devices */
+			if (dev->is_added)
+					continue;
+			retval = pci_bus_add_device(dev);
+			if (retval)
+				dev_err(&dev->dev,
+					"Error adding device, continuing\n");
+			else
+				add_slot(dev);
+		}
+		pci_bus_add_devices(bus);
 	}
 	kfree(dev);
 }