1 files changed, 32 insertions, 48 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 4b3011a23eff..f991359f0c36 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -9,6 +9,7 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/cpumask.h>
+#include <linux/pci-aspm.h>
 #include "pci.h"
 
 #define CARDBUS_LATENCY_TIMER   176     /* secondary latency timer */
@@ -20,18 +21,27 @@
 LIST_HEAD(pci_root_buses);
 EXPORT_SYMBOL(pci_root_buses);
 
-LIST_HEAD(pci_devices);
+
+static int find_anything(struct device *dev, void *data)
+{
+        return 1;
+}
 
 /*
  * 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.
+ * is no device to be found on the pci_bus_type.
  */
 int no_pci_devices(void)
 {
-        return list_empty(&pci_devices);
-}
+        struct device *dev;
+        int no_devices;
 
+        dev = bus_find_device(&pci_bus_type, NULL, NULL, find_anything);
+        no_devices = (dev == NULL);
+        put_device(dev);
+        return no_devices;
+}
 EXPORT_SYMBOL(no_pci_devices);
 
 #ifdef HAVE_PCI_LEGACY
@@ -244,7 +254,7 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom)
                         res->flags |= l & ~PCI_BASE_ADDRESS_IO_MASK;
                 }
                 res->end = res->start + (unsigned long) sz;
-                res->flags |= pci_calc_resource_flags(l);
+                res->flags |= pci_calc_resource_flags(l) | IORESOURCE_SIZEALIGN;
                 if (is_64bit_memory(l)) {
                         u32 szhi, lhi;
 
@@ -297,7 +307,8 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom)
                         if (sz) {
                                 res->flags = (l & IORESOURCE_ROM_ENABLE) |
                                   IORESOURCE_MEM | IORESOURCE_PREFETCH |
-                                  IORESOURCE_READONLY | IORESOURCE_CACHEABLE;
+                                  IORESOURCE_READONLY | IORESOURCE_CACHEABLE |
+                                  IORESOURCE_SIZEALIGN;
                                 res->start = l & PCI_ROM_ADDRESS_MASK;
                                 res->end = res->start + (unsigned long) sz;
                         }
@@ -407,8 +418,8 @@ static struct pci_bus * pci_alloc_bus(void)
         return b;
 }
 
-static struct pci_bus * __devinit
-pci_alloc_child_bus(struct pci_bus *parent, struct pci_dev *bridge, int busnr)
+static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
+                                           struct pci_dev *bridge, int busnr)
 {
         struct pci_bus *child;
         int i;
@@ -641,7 +652,9 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
                 pci_write_config_byte(dev, PCI_SUBORDINATE_BUS, max);
         }
 
-        sprintf(child->name, (is_cardbus ? "PCI CardBus #%02x" : "PCI Bus #%02x"), child->number);
+        sprintf(child->name,
+                (is_cardbus ? "PCI CardBus %04x:%02x" : "PCI Bus %04x:%02x"),
+                pci_domain_nr(bus), child->number);
 
         /* Has only triggered on CardBus, fixup is in yenta_socket */
         while (bus->parent) {
@@ -801,6 +814,7 @@ static void pci_release_dev(struct device *dev)
         struct pci_dev *pci_dev;
 
         pci_dev = to_pci_dev(dev);
+        pci_vpd_release(pci_dev);
         kfree(pci_dev);
 }
 
@@ -868,7 +882,6 @@ struct pci_dev *alloc_pci_dev(void)
         if (!dev)
                 return NULL;
 
-        INIT_LIST_HEAD(&dev->global_list);
         INIT_LIST_HEAD(&dev->bus_list);
 
         pci_msi_init_pci_dev(dev);
@@ -881,8 +894,7 @@ EXPORT_SYMBOL(alloc_pci_dev);
  * Read the config data for a PCI device, sanity-check it
  * and fill in the dev structure...
  */
-static struct pci_dev * __devinit
-pci_scan_device(struct pci_bus *bus, int devfn)
+static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
 {
         struct pci_dev *dev;
         u32 l;
@@ -941,6 +953,8 @@ pci_scan_device(struct pci_bus *bus, int devfn)
                 return NULL;
         }
 
+        pci_vpd_pci22_init(dev);
+
         return dev;
 }
 
@@ -965,7 +979,6 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
          * Add the device to our list of discovered devices
          * and the bus list for fixup functions, etc.
          */
-        INIT_LIST_HEAD(&dev->global_list);
         down_write(&pci_bus_sem);
         list_add_tail(&dev->bus_list, &bus->devices);
         up_write(&pci_bus_sem);
@@ -992,7 +1005,7 @@ EXPORT_SYMBOL(pci_scan_single_device);
  *
  * Scan a PCI slot on the specified PCI bus for devices, adding
  * discovered devices to the @bus->devices list.  New devices
- * will have an empty dev->global_list head.
+ * will not have is_added set.
  */
 int pci_scan_slot(struct pci_bus *bus, int devfn)
 {
@@ -1024,6 +1037,10 @@ int pci_scan_slot(struct pci_bus *bus, int devfn)
                                 break;
                 }
         }
+
+        if (bus->self)
+                pcie_aspm_init_link_state(bus->self);
+
         return nr;
 }
 
@@ -1194,7 +1211,7 @@ static void __init pci_insertion_sort_klist(struct pci_dev *a, struct list_head
         list_move_tail(&a->dev.knode_bus.n_node, list);
 }
 
-static void __init pci_sort_breadthfirst_klist(void)
+void __init pci_sort_breadthfirst(void)
 {
         LIST_HEAD(sorted_devices);
         struct list_head *pos, *tmp;
@@ -1215,36 +1232,3 @@ static void __init pci_sort_breadthfirst_klist(void)
         list_splice(&sorted_devices, &device_klist->k_list);
         spin_unlock(&device_klist->k_lock);
 }
-
-static void __init pci_insertion_sort_devices(struct pci_dev *a, struct list_head *list)
-{
-        struct pci_dev *b;
-
-        list_for_each_entry(b, list, global_list) {
-                if (pci_sort_bf_cmp(a, b) <= 0) {
-                        list_move_tail(&a->global_list, &b->global_list);
-                        return;
-                }
-        }
-        list_move_tail(&a->global_list, list);
-}
-
-static void __init pci_sort_breadthfirst_devices(void)
-{
-        LIST_HEAD(sorted_devices);
-        struct pci_dev *dev, *tmp;
-
-        down_write(&pci_bus_sem);
-        list_for_each_entry_safe(dev, tmp, &pci_devices, global_list) {
-                pci_insertion_sort_devices(dev, &sorted_devices);
-        }
-        list_splice(&sorted_devices, &pci_devices);
-        up_write(&pci_bus_sem);
-}
-
-void __init pci_sort_breadthfirst(void)
-{
-        pci_sort_breadthfirst_devices();
-        pci_sort_breadthfirst_klist();
-}
-