[PATCH] fakephp: introduce pci_bus_add_device

fakephp needs to add newly discovered devices to the global pci list.
Therefore seperate out the appropriate chunk from pci_bus_add_devices
to pci_bus_add_device to add a single device to sysfs, procfs
and the global device list.
Signed-off-by: Jan Dittmer <jdittmer@ppp0.net>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/pci/bus.c

@@ -68,6 +68,25 @@ pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
 	return ret;
 }
 
+/**
+ * add a single device
+ * @dev: device to add
+ *
+ * This adds a single pci device to the global
+ * device list and adds sysfs and procfs entries
+ */
+void __devinit pci_bus_add_device(struct pci_dev *dev)
+{
+	device_add(&dev->dev);
+
+	spin_lock(&pci_bus_lock);
+	list_add_tail(&dev->global_list, &pci_devices);
+	spin_unlock(&pci_bus_lock);
+
+	pci_proc_attach_device(dev);
+	pci_create_sysfs_dev_files(dev);
+}
+
 /**
  * pci_bus_add_devices - insert newly discovered PCI devices
  * @bus: bus to check for new devices
@@ -91,16 +110,7 @@ void __devinit pci_bus_add_devices(struct pci_bus *bus)
 		 */
 		if (!list_empty(&dev->global_list))
 			continue;
-
-		device_add(&dev->dev);
-
-		spin_lock(&pci_bus_lock);
-		list_add_tail(&dev->global_list, &pci_devices);
-		spin_unlock(&pci_bus_lock);
-
-		pci_proc_attach_device(dev);
-		pci_create_sysfs_dev_files(dev);
-
+		pci_bus_add_device(dev);
 	}
 
 	list_for_each_entry(dev, &bus->devices, bus_list) {
@@ -136,5 +146,6 @@ void pci_enable_bridges(struct pci_bus *bus)
 }
 
 EXPORT_SYMBOL(pci_bus_alloc_resource);
+EXPORT_SYMBOL_GPL(pci_bus_add_device);
 EXPORT_SYMBOL(pci_bus_add_devices);
 EXPORT_SYMBOL(pci_enable_bridges);

include/linux/pci.h

@@ -715,6 +715,7 @@ static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *s
 int pci_scan_slot(struct pci_bus *bus, int devfn);
 struct pci_dev * pci_scan_single_device(struct pci_bus *bus, int devfn);
 unsigned int pci_scan_child_bus(struct pci_bus *bus);
+void pci_bus_add_device(struct pci_dev *dev);
 void pci_bus_add_devices(struct pci_bus *bus);
 void pci_name_device(struct pci_dev *dev);
 char *pci_class_name(u32 class);