1 files changed, 43 insertions, 19 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index ec909afa90b6..6186f03d84f3 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -305,7 +305,7 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom)
         }
 }
 
-static void __devinit pci_read_bridge_io(struct pci_bus *child)
+static void pci_read_bridge_io(struct pci_bus *child)
 {
         struct pci_dev *dev = child->self;
         u8 io_base_lo, io_limit_lo;
@@ -345,7 +345,7 @@ static void __devinit pci_read_bridge_io(struct pci_bus *child)
         }
 }
 
-static void __devinit pci_read_bridge_mmio(struct pci_bus *child)
+static void pci_read_bridge_mmio(struct pci_bus *child)
 {
         struct pci_dev *dev = child->self;
         u16 mem_base_lo, mem_limit_lo;
@@ -367,7 +367,7 @@ static void __devinit pci_read_bridge_mmio(struct pci_bus *child)
         }
 }
 
-static void __devinit pci_read_bridge_mmio_pref(struct pci_bus *child)
+static void pci_read_bridge_mmio_pref(struct pci_bus *child)
 {
         struct pci_dev *dev = child->self;
         u16 mem_base_lo, mem_limit_lo;
@@ -417,7 +417,7 @@ static void __devinit pci_read_bridge_mmio_pref(struct pci_bus *child)
         }
 }
 
-void __devinit pci_read_bridge_bases(struct pci_bus *child)
+void pci_read_bridge_bases(struct pci_bus *child)
 {
         struct pci_dev *dev = child->self;
         struct resource *res;
@@ -521,7 +521,7 @@ static unsigned char pcie_link_speed[] = {
 
 void pcie_update_link_speed(struct pci_bus *bus, u16 linksta)
 {
-        bus->cur_bus_speed = pcie_link_speed[linksta & 0xf];
+        bus->cur_bus_speed = pcie_link_speed[linksta & PCI_EXP_LNKSTA_CLS];
 }
 EXPORT_SYMBOL_GPL(pcie_update_link_speed);
 
@@ -579,14 +579,16 @@ static void pci_set_bus_speed(struct pci_bus *bus)
         if (pos) {
                 u16 status;
                 enum pci_bus_speed max;
-                pci_read_config_word(bridge, pos + 2, &status);
 
-                if (status & 0x8000) {
+                pci_read_config_word(bridge, pos + PCI_X_BRIDGE_SSTATUS,
+                                     &status);
+
+                if (status & PCI_X_SSTATUS_533MHZ) {
                         max = PCI_SPEED_133MHz_PCIX_533;
-                } else if (status & 0x4000) {
+                } else if (status & PCI_X_SSTATUS_266MHZ) {
                         max = PCI_SPEED_133MHz_PCIX_266;
-                } else if (status & 0x0002) {
-                        if (((status >> 12) & 0x3) == 2) {
+                } else if (status & PCI_X_SSTATUS_133MHZ) {
+                        if ((status & PCI_X_SSTATUS_VERS) == PCI_X_SSTATUS_V2) {
                                 max = PCI_SPEED_133MHz_PCIX_ECC;
                         } else {
                                 max = PCI_SPEED_133MHz_PCIX;
@@ -596,7 +598,8 @@ static void pci_set_bus_speed(struct pci_bus *bus)
                 }
 
                 bus->max_bus_speed = max;
-                bus->cur_bus_speed = pcix_bus_speed[(status >> 6) & 0xf];
+                bus->cur_bus_speed = pcix_bus_speed[
+                        (status & PCI_X_SSTATUS_FREQ) >> 6];
 
                 return;
         }
@@ -607,7 +610,7 @@ static void pci_set_bus_speed(struct pci_bus *bus)
                 u16 linksta;
 
                 pcie_capability_read_dword(bridge, PCI_EXP_LNKCAP, &linkcap);
-                bus->max_bus_speed = pcie_link_speed[linkcap & 0xf];
+                bus->max_bus_speed = pcie_link_speed[linkcap & PCI_EXP_LNKCAP_SLS];
 
                 pcie_capability_read_word(bridge, PCI_EXP_LNKSTA, &linksta);
                 pcie_update_link_speed(bus, linksta);
@@ -705,7 +708,7 @@ static void pci_fixup_parent_subordinate_busnr(struct pci_bus *child, int max)
  * them, we proceed to assigning numbers to the remaining buses in
  * order to avoid overlaps between old and new bus numbers.
  */
-int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
+int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
 {
         struct pci_bus *child;
         int is_cardbus = (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS);
@@ -975,6 +978,7 @@ int pci_setup_device(struct pci_dev *dev)
         dev->sysdata = dev->bus->sysdata;
         dev->dev.parent = dev->bus->bridge;
         dev->dev.bus = &pci_bus_type;
+        dev->dev.type = &pci_dev_type;
         dev->hdr_type = hdr_type & 0x7f;
         dev->multifunction = !!(hdr_type & 0x80);
         dev->error_state = pci_channel_io_normal;
@@ -1586,7 +1590,7 @@ void pcie_bus_configure_settings(struct pci_bus *bus, u8 mpss)
 }
 EXPORT_SYMBOL_GPL(pcie_bus_configure_settings);
 
-unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus)
+unsigned int pci_scan_child_bus(struct pci_bus *bus)
 {
         unsigned int devfn, pass, max = bus->busn_res.start;
         struct pci_dev *dev;
@@ -1790,7 +1794,7 @@ void pci_bus_release_busn_res(struct pci_bus *b)
                         res, ret ? "can not be" : "is");
 }
 
-struct pci_bus * __devinit pci_scan_root_bus(struct device *parent, int bus,
+struct pci_bus *pci_scan_root_bus(struct device *parent, int bus,
                 struct pci_ops *ops, void *sysdata, struct list_head *resources)
 {
         struct pci_host_bridge_window *window;
@@ -1826,7 +1830,7 @@ struct pci_bus * __devinit pci_scan_root_bus(struct device *parent, int bus,
 EXPORT_SYMBOL(pci_scan_root_bus);
 
 /* Deprecated; use pci_scan_root_bus() instead */
-struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent,
+struct pci_bus *pci_scan_bus_parented(struct device *parent,
                 int bus, struct pci_ops *ops, void *sysdata)
 {
         LIST_HEAD(resources);
@@ -1844,7 +1848,7 @@ struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent,
 }
 EXPORT_SYMBOL(pci_scan_bus_parented);
 
-struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops,
+struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops,
                                         void *sysdata)
 {
         LIST_HEAD(resources);
@@ -1864,7 +1868,6 @@ struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops,
 }
 EXPORT_SYMBOL(pci_scan_bus);
 
-#ifdef CONFIG_HOTPLUG
 /**
  * pci_rescan_bus_bridge_resize - scan a PCI bus for devices.
  * @bridge: PCI bridge for the bus to scan
@@ -1890,11 +1893,32 @@ unsigned int __ref pci_rescan_bus_bridge_resize(struct pci_dev *bridge)
         return max;
 }
 
+/**
+ * pci_rescan_bus - scan a PCI bus for devices.
+ * @bus: PCI bus to scan
+ *
+ * Scan a PCI bus and child buses for new devices, adds them,
+ * and enables them.
+ *
+ * Returns the max number of subordinate bus discovered.
+ */
+unsigned int __ref pci_rescan_bus(struct pci_bus *bus)
+{
+        unsigned int max;
+
+        max = pci_scan_child_bus(bus);
+        pci_assign_unassigned_bus_resources(bus);
+        pci_enable_bridges(bus);
+        pci_bus_add_devices(bus);
+
+        return max;
+}
+EXPORT_SYMBOL_GPL(pci_rescan_bus);
+
 EXPORT_SYMBOL(pci_add_new_bus);
 EXPORT_SYMBOL(pci_scan_slot);
 EXPORT_SYMBOL(pci_scan_bridge);
 EXPORT_SYMBOL_GPL(pci_scan_child_bus);
-#endif
 
 static int __init pci_sort_bf_cmp(const struct device *d_a, const struct device *d_b)
 {