diff -urN hotplug/pci_hotplug_util.c hotplug_all_1030/pci_hotplug_util.c
--- hotplug/pci_hotplug_util.c	Wed Oct 30 16:43:07 2002
+++ hotplug_all_1030/pci_hotplug_util.c	Fri Nov  1 18:56:34 2002
@@ -153,6 +153,124 @@
 	return result;
 }
 
+#define	BARE_PCI_ACCESS
+#ifdef	BARE_PCI_ACCESS
+static struct pci_bus *root_pci_bus;
+static struct pci_bus *get_temporary_pci_bus(int busnum)
+{
+	static int first = 1;
+	struct pci_bus *pbus;
+	struct list_head *lh;
+
+	if (first) {
+		list_for_each (lh, &pci_root_buses) {
+			pbus = (struct pci_bus *) pci_bus_b(lh);
+			if (pbus)
+				if (pbus->number == 0) {
+					root_pci_bus = pbus;
+					first = 0;
+				}
+		}
+	}
+	if (!root_pci_bus)
+		return NULL;
+
+	pbus = kmalloc(sizeof(struct pci_bus), GFP_KERNEL);
+	if (pbus) {
+		memset(pbus, 0, sizeof(struct pci_bus));
+		pbus->number = busnum;
+		pbus->ops = root_pci_bus->ops;
+	}
+
+	return pbus;
+}
+
+static int get_pci_bus (
+	int segnum, int busnum, int devnum, int funcnum, struct pci_bus **pbus)
+{
+	struct pci_dev *pdev = pci_find_slot(busnum, PCI_DEVFN(devnum, funcnum));
+	int is_temp = 0;
+
+	if (pdev && pdev->bus)
+		*pbus = pdev->bus;
+	else {
+		*pbus = get_temporary_pci_bus(busnum);
+		is_temp++;
+	}
+	return is_temp;
+}
+
+int pci_config_bare_read (int segnum, int busnum, int devnum, int funcnum,
+	int loc, int size, u32 *value)
+{
+	struct pci_bus *pbus;
+	int retval, is_temp = get_pci_bus(segnum, busnum, devnum, funcnum, &pbus);
+
+	if (!pbus)
+		return -ENODEV;
+
+	*value = 0x00;
+
+	switch (size) {
+	case 1:
+		retval = pci_bus_read_config_byte
+				(pbus, PCI_DEVFN(devnum, funcnum), loc, (u8 *)value);
+		break;
+	case 2:
+		retval = pci_bus_read_config_word
+				(pbus, PCI_DEVFN(devnum, funcnum), loc, (u16 *)value);
+		break;
+	case 4:
+		retval = pci_bus_read_config_dword
+				(pbus, PCI_DEVFN(devnum, funcnum), loc, value);
+		break;
+	default:
+		retval = -ENODEV;
+		break;
+	}
+
+	if (is_temp)
+		kfree(pbus);
+
+	return retval;
+}
+
+int pci_config_bare_write (int segnum, int busnum, int devnum, int funcnum,
+	int loc, int size, u32 value)
+{
+	struct pci_bus *pbus;
+	int retval, is_temp = get_pci_bus(segnum, busnum, devnum, funcnum, &pbus);
+
+	if (!pbus)
+		return -ENODEV;
+
+	switch (size) {
+	case 1:
+		retval = pci_bus_write_config_byte
+				(pbus, PCI_DEVFN(devnum, funcnum), loc, (u8)value);
+		break;
+	case 2:
+		retval = pci_bus_write_config_word
+				(pbus, PCI_DEVFN(devnum, funcnum), loc, (u16)value);
+		break;
+	case 4:
+		retval = pci_bus_write_config_dword
+				(pbus, PCI_DEVFN(devnum, funcnum), loc, value);
+		break;
+	default:
+		retval = -ENODEV;
+		break;
+	}
+
+	if (is_temp)
+		kfree(pbus);
+
+	return retval;
+}
+
+EXPORT_SYMBOL(pci_config_bare_read);
+EXPORT_SYMBOL(pci_config_bare_write);
+#endif
 
 EXPORT_SYMBOL(pci_visit_dev);