5 files changed, 19 insertions, 7 deletions
diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
index bb3c101c2c5..deb6b5e35fe 100644
--- a/drivers/pci/hotplug/rpadlpar_core.c
+++ b/drivers/pci/hotplug/rpadlpar_core.c
@@ -159,8 +159,8 @@ static void dlpar_pci_add_bus(struct device_node *dn)
 	/* Claim new bus resources */
 	pcibios_claim_one_bus(dev->bus);
 
-	/* ioremap() for child bus, which may or may not succeed */
-	remap_bus_range(dev->subordinate);
+	/* Map IO space for child bus, which may or may not succeed */
+	pcibios_map_io_space(dev->subordinate);
 
 	/* Add new devices to global lists.  Register in proc, sysfs. */
 	pci_bus_add_devices(phb->bus);
@@ -390,7 +390,7 @@ int dlpar_remove_pci_slot(char *drc_name, struct device_node *dn)
 	} else
 		pcibios_remove_pci_devices(bus);
 
-	if (unmap_bus_range(bus)) {
+	if (pcibios_unmap_io_space(bus)) {
 		printk(KERN_ERR "%s: failed to unmap bus range\n",
 			__FUNCTION__);
 		return -ERANGE;
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 10dbdec8041..1b7b2812bf2 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -20,7 +20,7 @@
 #include <linux/stat.h>
 #include <linux/topology.h>
 #include <linux/mm.h>
-
+#include <linux/capability.h>
 #include "pci.h"
 
 static int sysfs_initialized;	/* = 0 */
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index a7bce75c673..34b8dae0d90 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -22,6 +22,18 @@ EXPORT_SYMBOL(pci_root_buses);
 
 LIST_HEAD(pci_devices);
 
+/*
+ * Some device drivers need know if pci is initiated.
+ * Basically, we think pci is not initiated when there
+ * is no device in list of pci_devices.
+ */
+int no_pci_devices(void)
+{
+	return list_empty(&pci_devices);
+}
+
+EXPORT_SYMBOL(no_pci_devices);
+
 #ifdef HAVE_PCI_LEGACY
 /**
  * pci_create_legacy_files - create legacy I/O port and memory files
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index cfa0dfe61b1..90adc62d07f 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -11,7 +11,7 @@
 #include <linux/module.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
-
+#include <linux/capability.h>
 #include <asm/uaccess.h>
 #include <asm/byteorder.h>
 #include "pci.h"
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 9f7090fa877..c6e79d01ce3 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -202,7 +202,7 @@ static struct pci_dev * pci_find_subsys(unsigned int vendor,
 	 * can cause some machines to crash.  So here we detect and flag that
 	 * situation and bail out early.
 	 */
-	if (unlikely(list_empty(&pci_devices)))
+	if (unlikely(no_pci_devices()))
 		return NULL;
 	down_read(&pci_bus_sem);
 	n = from ? from->global_list.next : pci_devices.next;
@@ -277,7 +277,7 @@ pci_get_subsys(unsigned int vendor, unsigned int device,
 	 * can cause some machines to crash.  So here we detect and flag that
 	 * situation and bail out early.
 	 */
-	if (unlikely(list_empty(&pci_devices)))
+	if (unlikely(no_pci_devices()))
 		return NULL;
 	down_read(&pci_bus_sem);
 	n = from ? from->global_list.next : pci_devices.next;