Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: (64 commits)
  PCI: make pci_bus a struct device
  PCI: fix codingstyle issues in include/linux/pci.h
  PCI: fix codingstyle issues in drivers/pci/pci.h
  PCI: PCIE ASPM support
  PCI: Fix fakephp deadlock
  PCI: modify SB700 SATA MSI quirk
  PCI: Run ACPI _OSC method on root bridges only
  PCI ACPI: AER driver should only register PCIe devices with _OSC
  PCI ACPI: Added a function to register _OSC with only PCIe devices.
  PCI: constify function pointer tables
  PCI: Convert drivers/pci/proc.c to use unlocked_ioctl
  pciehp: block new requests from the device before power off
  pciehp: workaround against Bad DLLP during power off
  pciehp: wait for 1000ms before LED operation after power off
  PCI: Remove pci_enable_device_bars() from documentation
  PCI: Remove pci_enable_device_bars()
  PCI: Remove users of pci_enable_device_bars()
  PCI: Add pci_enable_device_{io,mem} intefaces
  PCI: avoid save the same type of cap multiple times
  PCI: correctly initialize a structure for pcie_save_pcix_state()
  ...

4 files changed, 311 insertions, 119 deletions

diff --git a/include/linux/aspm.h b/include/linux/aspm.h
new file mode 100644
index 000000000000..f41a69895485
--- /dev/null
+++ b/include/linux/aspm.h
@@ -0,0 +1,44 @@
+/*
+ *      aspm.h
+ *
+ *      PCI Express ASPM defines and function prototypes
+ *
+ *      Copyright (C) 2007 Intel Corp.
+ *              Zhang Yanmin (yanmin.zhang@intel.com)
+ *              Shaohua Li (shaohua.li@intel.com)
+ *
+ *      For more information, please consult the following manuals (look at
+ *      http://www.pcisig.com/ for how to get them):
+ *
+ *      PCI Express Specification
+ */
+
+#ifndef LINUX_ASPM_H
+#define LINUX_ASPM_H
+
+#include <linux/pci.h>
+
+#define PCIE_LINK_STATE_L0S     1
+#define PCIE_LINK_STATE_L1      2
+#define PCIE_LINK_STATE_CLKPM   4
+
+#ifdef CONFIG_PCIEASPM
+extern void pcie_aspm_init_link_state(struct pci_dev *pdev);
+extern void pcie_aspm_exit_link_state(struct pci_dev *pdev);
+extern void pcie_aspm_pm_state_change(struct pci_dev *pdev);
+extern void pci_disable_link_state(struct pci_dev *pdev, int state);
+#else
+#define pcie_aspm_init_link_state(pdev)         do {} while (0)
+#define pcie_aspm_exit_link_state(pdev)         do {} while (0)
+#define pcie_aspm_pm_state_change(pdev)         do {} while (0)
+#define pci_disable_link_state(pdev, state)     do {} while (0)
+#endif
+
+#ifdef CONFIG_PCIEASPM_DEBUG /* this depends on CONFIG_PCIEASPM */
+extern void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev);
+extern void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev);
+#else
+#define pcie_aspm_create_sysfs_dev_files(pdev)  do {} while (0)
+#define pcie_aspm_remove_sysfs_dev_files(pdev)  do {} while (0)
+#endif
+#endif /* LINUX_ASPM_H */
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 936ef82ed76a..3ba25065fa96 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -48,7 +48,15 @@
 
 #ifdef CONFIG_ACPI
 extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags);
-extern acpi_status pci_osc_support_set(u32 flags);
+extern acpi_status __pci_osc_support_set(u32 flags, const char *hid);
+static inline acpi_status pci_osc_support_set(u32 flags)
+{
+        return __pci_osc_support_set(flags, PCI_ROOT_HID_STRING);
+}
+static inline acpi_status pcie_osc_support_set(u32 flags)
+{
+        return __pci_osc_support_set(flags, PCI_EXPRESS_ROOT_HID_STRING);
+}
 #else
 #if !defined(AE_ERROR)
 typedef u32             acpi_status;
@@ -57,6 +65,7 @@ typedef u32 		acpi_status;
 static inline acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
 {return AE_ERROR;}
 static inline acpi_status pci_osc_support_set(u32 flags) {return AE_ERROR;} 
+static inline acpi_status pcie_osc_support_set(u32 flags) {return AE_ERROR;}
 #endif
 
 #endif  /* _PCI_ACPI_H_ */
diff --git a/include/linux/pci.h b/include/linux/pci.h
index ae1006322f80..4f96f1d94ac4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -28,7 +28,7 @@
  *      7:3 = slot
  *      2:0 = function
  */
-#define PCI_DEVFN(slot,func)    ((((slot) & 0x1f) << 3) | ((func) & 0x07))
+#define PCI_DEVFN(slot, func)   ((((slot) & 0x1f) << 3) | ((func) & 0x07))
 #define PCI_SLOT(devfn)         (((devfn) >> 3) & 0x1f)
 #define PCI_FUNC(devfn)         ((devfn) & 0x07)
 
@@ -66,7 +66,6 @@ enum pci_mmap_state {
 #define PCI_DMA_FROMDEVICE      2
 #define PCI_DMA_NONE            3
 
-#define DEVICE_COUNT_COMPATIBLE 4
 #define DEVICE_COUNT_RESOURCE   12
 
 typedef int __bitwise pci_power_t;
@@ -129,6 +128,7 @@ struct pci_cap_saved_state {
         u32 data[0];
 };
 
+struct pcie_link_state;
 /*
  * The pci_dev structure is used to describe PCI devices.
  */
@@ -164,13 +164,13 @@ struct pci_dev {
                                            this is D0-D3, D0 being fully functional,
                                            and D3 being off. */
 
+#ifdef CONFIG_PCIEASPM
+        struct pcie_link_state  *link_state;    /* ASPM link state. */
+#endif
+
         pci_channel_state_t error_state;        /* current connectivity state */
         struct  device  dev;            /* Generic device interface */
 
-        /* device is compatible with these IDs */
-        unsigned short vendor_compatible[DEVICE_COUNT_COMPATIBLE];
-        unsigned short device_compatible[DEVICE_COUNT_COMPATIBLE];
-
         int             cfg_size;       /* Size of configuration space */
 
         /*
@@ -219,7 +219,7 @@ static inline int pci_channel_offline(struct pci_dev *pdev)
 }
 
 static inline struct pci_cap_saved_state *pci_find_saved_cap(
-        struct pci_dev *pci_dev,char cap)
+        struct pci_dev *pci_dev, char cap)
 {
         struct pci_cap_saved_state *tmp;
         struct hlist_node *pos;
@@ -278,13 +278,13 @@ struct pci_bus {
         unsigned short  bridge_ctl;     /* manage NO_ISA/FBB/et al behaviors */
         pci_bus_flags_t bus_flags;      /* Inherited by child busses */
         struct device           *bridge;
-        struct class_device     class_dev;
+        struct device           dev;
         struct bin_attribute    *legacy_io; /* legacy I/O for this bus */
         struct bin_attribute    *legacy_mem; /* legacy mem */
 };
 
 #define pci_bus_b(n)    list_entry(n, struct pci_bus, node)
-#define to_pci_bus(n)   container_of(n, struct pci_bus, class_dev)
+#define to_pci_bus(n)   container_of(n, struct pci_bus, dev)
 
 /*
  * Error values that may be returned by PCI functions.
@@ -314,8 +314,8 @@ struct pci_raw_ops {
 extern struct pci_raw_ops *raw_pci_ops;
 
 struct pci_bus_region {
-        unsigned long start;
-        unsigned long end;
+        resource_size_t start;
+        resource_size_t end;
 };
 
 struct pci_dynids {
@@ -351,11 +351,10 @@ enum pci_ers_result {
 };
 
 /* PCI bus error event callbacks */
-struct pci_error_handlers
-{
+struct pci_error_handlers {
         /* PCI bus error detected on this device */
         pci_ers_result_t (*error_detected)(struct pci_dev *dev,
-                              enum pci_channel_state error);
+                                           enum pci_channel_state error);
 
         /* MMIO has been re-enabled, but not DMA */
         pci_ers_result_t (*mmio_enabled)(struct pci_dev *dev);
@@ -390,7 +389,7 @@ struct pci_driver {
         struct pci_dynids dynids;
 };
 
-#define to_pci_driver(drv) container_of(drv,struct pci_driver, driver)
+#define to_pci_driver(drv) container_of(drv, struct pci_driver, driver)
 
 /**
  * PCI_DEVICE - macro used to describe a specific pci device
@@ -448,7 +447,7 @@ extern int no_pci_devices(void);
 
 void pcibios_fixup_bus(struct pci_bus *);
 int __must_check pcibios_enable_device(struct pci_dev *, int mask);
-char *pcibios_setup (char *str);
+char *pcibios_setup(char *str);
 
 /* Used only when drivers/pci/setup.c is used */
 void pcibios_align_resource(void *, struct resource *, resource_size_t,
@@ -459,8 +458,10 @@ void pcibios_update_irq(struct pci_dev *, int irq);
 
 extern struct pci_bus *pci_find_bus(int domain, int busnr);
 void pci_bus_add_devices(struct pci_bus *bus);
-struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus, struct pci_ops *ops, void *sysdata);
-static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata)
+struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus,
+                                      struct pci_ops *ops, void *sysdata);
+static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops,
+                                           void *sysdata)
 {
         struct pci_bus *root_bus;
         root_bus = pci_scan_bus_parented(NULL, bus, ops, sysdata);
@@ -468,15 +469,18 @@ static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *s
                 pci_bus_add_devices(root_bus);
         return root_bus;
 }
-struct pci_bus *pci_create_bus(struct device *parent, int bus, struct pci_ops *ops, void *sysdata);
-struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr);
+struct pci_bus *pci_create_bus(struct device *parent, int bus,
+                               struct pci_ops *ops, void *sysdata);
+struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
+                                int busnr);
 int pci_scan_slot(struct pci_bus *bus, int devfn);
-struct pci_dev * pci_scan_single_device(struct pci_bus *bus, int devfn);
+struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn);
 void pci_device_add(struct pci_dev *dev, struct pci_bus *bus);
 unsigned int pci_scan_child_bus(struct pci_bus *bus);
 int __must_check pci_bus_add_device(struct pci_dev *dev);
 void pci_read_bridge_bases(struct pci_bus *child);
-struct resource *pci_find_parent_resource(const struct pci_dev *dev, struct resource *res);
+struct resource *pci_find_parent_resource(const struct pci_dev *dev,
+                                          struct resource *res);
 int pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge);
 extern struct pci_dev *pci_dev_get(struct pci_dev *dev);
 extern void pci_dev_put(struct pci_dev *dev);
@@ -489,15 +493,19 @@ extern void pci_sort_breadthfirst(void);
 /* Generic PCI functions exported to card drivers */
 
 #ifdef CONFIG_PCI_LEGACY
-struct pci_dev __deprecated *pci_find_device (unsigned int vendor, unsigned int device, const struct pci_dev *from);
-struct pci_dev __deprecated *pci_find_slot (unsigned int bus, unsigned int devfn);
+struct pci_dev __deprecated *pci_find_device(unsigned int vendor,
+                                             unsigned int device,
+                                             const struct pci_dev *from);
+struct pci_dev __deprecated *pci_find_slot(unsigned int bus,
+                                           unsigned int devfn);
 #endif /* CONFIG_PCI_LEGACY */
 
-int pci_find_capability (struct pci_dev *dev, int cap);
-int pci_find_next_capability (struct pci_dev *dev, u8 pos, int cap);
-int pci_find_ext_capability (struct pci_dev *dev, int cap);
-int pci_find_ht_capability (struct pci_dev *dev, int ht_cap);
-int pci_find_next_ht_capability (struct pci_dev *dev, int pos, int ht_cap);
+int pci_find_capability(struct pci_dev *dev, int cap);
+int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap);
+int pci_find_ext_capability(struct pci_dev *dev, int cap);
+int pci_find_ht_capability(struct pci_dev *dev, int ht_cap);
+int pci_find_next_ht_capability(struct pci_dev *dev, int pos, int ht_cap);
+void pcie_wait_pending_transaction(struct pci_dev *dev);
 struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
 
 struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device,
@@ -505,49 +513,58 @@ struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device,
 struct pci_dev *pci_get_device_reverse(unsigned int vendor, unsigned int device,
                                 struct pci_dev *from);
 
-struct pci_dev *pci_get_subsys (unsigned int vendor, unsigned int device,
+struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device,
                                 unsigned int ss_vendor, unsigned int ss_device,
                                 struct pci_dev *from);
-struct pci_dev *pci_get_slot (struct pci_bus *bus, unsigned int devfn);
-struct pci_dev *pci_get_bus_and_slot (unsigned int bus, unsigned int devfn);
-struct pci_dev *pci_get_class (unsigned int class, struct pci_dev *from);
+struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn);
+struct pci_dev *pci_get_bus_and_slot(unsigned int bus, unsigned int devfn);
+struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from);
 int pci_dev_present(const struct pci_device_id *ids);
 const struct pci_device_id *pci_find_present(const struct pci_device_id *ids);
 
-int pci_bus_read_config_byte (struct pci_bus *bus, unsigned int devfn, int where, u8 *val);
-int pci_bus_read_config_word (struct pci_bus *bus, unsigned int devfn, int where, u16 *val);
-int pci_bus_read_config_dword (struct pci_bus *bus, unsigned int devfn, int where, u32 *val);
-int pci_bus_write_config_byte (struct pci_bus *bus, unsigned int devfn, int where, u8 val);
-int pci_bus_write_config_word (struct pci_bus *bus, unsigned int devfn, int where, u16 val);
-int pci_bus_write_config_dword (struct pci_bus *bus, unsigned int devfn, int where, u32 val);
+int pci_bus_read_config_byte(struct pci_bus *bus, unsigned int devfn,
+                             int where, u8 *val);
+int pci_bus_read_config_word(struct pci_bus *bus, unsigned int devfn,
+                             int where, u16 *val);
+int pci_bus_read_config_dword(struct pci_bus *bus, unsigned int devfn,
+                              int where, u32 *val);
+int pci_bus_write_config_byte(struct pci_bus *bus, unsigned int devfn,
+                              int where, u8 val);
+int pci_bus_write_config_word(struct pci_bus *bus, unsigned int devfn,
+                              int where, u16 val);
+int pci_bus_write_config_dword(struct pci_bus *bus, unsigned int devfn,
+                               int where, u32 val);
 
 static inline int pci_read_config_byte(struct pci_dev *dev, int where, u8 *val)
 {
-        return pci_bus_read_config_byte (dev->bus, dev->devfn, where, val);
+        return pci_bus_read_config_byte(dev->bus, dev->devfn, where, val);
 }
 static inline int pci_read_config_word(struct pci_dev *dev, int where, u16 *val)
 {
-        return pci_bus_read_config_word (dev->bus, dev->devfn, where, val);
+        return pci_bus_read_config_word(dev->bus, dev->devfn, where, val);
 }
-static inline int pci_read_config_dword(struct pci_dev *dev, int where, u32 *val)
+static inline int pci_read_config_dword(struct pci_dev *dev, int where,
+                                        u32 *val)
 {
-        return pci_bus_read_config_dword (dev->bus, dev->devfn, where, val);
+        return pci_bus_read_config_dword(dev->bus, dev->devfn, where, val);
 }
 static inline int pci_write_config_byte(struct pci_dev *dev, int where, u8 val)
 {
-        return pci_bus_write_config_byte (dev->bus, dev->devfn, where, val);
+        return pci_bus_write_config_byte(dev->bus, dev->devfn, where, val);
 }
 static inline int pci_write_config_word(struct pci_dev *dev, int where, u16 val)
 {
-        return pci_bus_write_config_word (dev->bus, dev->devfn, where, val);
+        return pci_bus_write_config_word(dev->bus, dev->devfn, where, val);
 }
-static inline int pci_write_config_dword(struct pci_dev *dev, int where, u32 val)
+static inline int pci_write_config_dword(struct pci_dev *dev, int where,
+                                         u32 val)
 {
-        return pci_bus_write_config_dword (dev->bus, dev->devfn, where, val);
+        return pci_bus_write_config_dword(dev->bus, dev->devfn, where, val);
 }
 
 int __must_check pci_enable_device(struct pci_dev *dev);
-int __must_check pci_enable_device_bars(struct pci_dev *dev, int mask);
+int __must_check pci_enable_device_io(struct pci_dev *dev);
+int __must_check pci_enable_device_mem(struct pci_dev *dev);
 int __must_check pci_reenable_device(struct pci_dev *);
 int __must_check pcim_enable_device(struct pci_dev *pdev);
 void pcim_pin_device(struct pci_dev *pdev);
@@ -576,14 +593,11 @@ int pcie_set_readrq(struct pci_dev *dev, int rq);
 void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno);
 int __must_check pci_assign_resource(struct pci_dev *dev, int i);
 int __must_check pci_assign_resource_fixed(struct pci_dev *dev, int i);
-void pci_restore_bars(struct pci_dev *dev);
 int pci_select_bars(struct pci_dev *dev, unsigned long flags);
 
 /* ROM control related routines */
 void __iomem __must_check *pci_map_rom(struct pci_dev *pdev, size_t *size);
-void __iomem __must_check *pci_map_rom_copy(struct pci_dev *pdev, size_t *size);
 void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom);
-void pci_remove_rom(struct pci_dev *pdev);
 size_t pci_get_rom_size(void __iomem *rom, size_t size);
 
 /* Power management related routines */
@@ -594,7 +608,7 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state);
 int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable);
 
 /* Functions for PCI Hotplug drivers to use */
-int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap);
+int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap);
 
 /* Helper functions for low-level code (drivers/pci/setup-[bus,res].c) */
 void pci_bus_assign_resources(struct pci_bus *bus);
@@ -631,16 +645,18 @@ static inline int __must_check pci_register_driver(struct pci_driver *driver)
         return __pci_register_driver(driver, THIS_MODULE, KBUILD_MODNAME);
 }
 
-void pci_unregister_driver(struct pci_driver *);
-void pci_remove_behind_bridge(struct pci_dev *);
-struct pci_driver *pci_dev_driver(const struct pci_dev *);
-const struct pci_device_id *pci_match_id(const struct pci_device_id *ids, struct pci_dev *dev);
-int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass);
+void pci_unregister_driver(struct pci_driver *dev);
+void pci_remove_behind_bridge(struct pci_dev *dev);
+struct pci_driver *pci_dev_driver(const struct pci_dev *dev);
+const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
+                                         struct pci_dev *dev);
+int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
+                    int pass);
 
 void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
                   void *userdata);
 int pci_cfg_space_size(struct pci_dev *dev);
-unsigned char pci_bus_max_busnr(struct pci_bus* bus);
+unsigned char pci_bus_max_busnr(struct pci_bus *bus);
 
 /* kmem_cache style wrapper around pci_alloc_consistent() */
 
@@ -669,19 +685,36 @@ struct msix_entry {
 
 
 #ifndef CONFIG_PCI_MSI
-static inline int pci_enable_msi(struct pci_dev *dev) {return -1;}
-static inline void pci_disable_msi(struct pci_dev *dev) {}
-static inline int pci_enable_msix(struct pci_dev* dev,
-        struct msix_entry *entries, int nvec) {return -1;}
-static inline void pci_disable_msix(struct pci_dev *dev) {}
-static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev) {}
+static inline int pci_enable_msi(struct pci_dev *dev)
+{
+        return -1;
+}
+
+static inline void pci_disable_msi(struct pci_dev *dev)
+{ }
+
+static inline int pci_enable_msix(struct pci_dev *dev,
+                                  struct msix_entry *entries, int nvec)
+{
+        return -1;
+}
+
+static inline void pci_disable_msix(struct pci_dev *dev)
+{ }
+
+static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev)
+{ }
+
+static inline void pci_restore_msi_state(struct pci_dev *dev)
+{ }
 #else
 extern int pci_enable_msi(struct pci_dev *dev);
 extern void pci_disable_msi(struct pci_dev *dev);
-extern int pci_enable_msix(struct pci_dev* dev,
+extern int pci_enable_msix(struct pci_dev *dev,
         struct msix_entry *entries, int nvec);
 extern void pci_disable_msix(struct pci_dev *dev);
 extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
+extern void pci_restore_msi_state(struct pci_dev *dev);
 #endif
 
 #ifdef CONFIG_HT_IRQ
@@ -702,7 +735,11 @@ extern void pci_unblock_user_cfg_access(struct pci_dev *dev);
 extern int pci_domains_supported;
 #else
 enum { pci_domains_supported = 0 };
-static inline int pci_domain_nr(struct pci_bus *bus) { return 0; }
+static inline int pci_domain_nr(struct pci_bus *bus)
+{
+        return 0;
+}
+
 static inline int pci_proc_domain(struct pci_bus *bus)
 {
         return 0;
@@ -716,67 +753,161 @@ static inline int pci_proc_domain(struct pci_bus *bus)
  *  these as simple inline functions to avoid hair in drivers.
  */
 
-#define _PCI_NOP(o,s,t) \
-        static inline int pci_##o##_config_##s (struct pci_dev *dev, int where, t val) \
+#define _PCI_NOP(o, s, t) \
+        static inline int pci_##o##_config_##s(struct pci_dev *dev, \
+                                                int where, t val) \
                 { return PCIBIOS_FUNC_NOT_SUPPORTED; }
-#define _PCI_NOP_ALL(o,x)       _PCI_NOP(o,byte,u8 x) \
-                                _PCI_NOP(o,word,u16 x) \
-                                _PCI_NOP(o,dword,u32 x)
+
+#define _PCI_NOP_ALL(o, x)      _PCI_NOP(o, byte, u8 x) \
+                                _PCI_NOP(o, word, u16 x) \
+                                _PCI_NOP(o, dword, u32 x)
 _PCI_NOP_ALL(read, *)
 _PCI_NOP_ALL(write,)
 
-static inline struct pci_dev *pci_find_device(unsigned int vendor, unsigned int device, const struct pci_dev *from)
-{ return NULL; }
+static inline struct pci_dev *pci_find_device(unsigned int vendor,
+                                              unsigned int device,
+                                              const struct pci_dev *from)
+{
+        return NULL;
+}
 
-static inline struct pci_dev *pci_find_slot(unsigned int bus, unsigned int devfn)
-{ return NULL; }
+static inline struct pci_dev *pci_find_slot(unsigned int bus,
+                                            unsigned int devfn)
+{
+        return NULL;
+}
 
 static inline struct pci_dev *pci_get_device(unsigned int vendor,
-                                unsigned int device, struct pci_dev *from)
-{ return NULL; }
+                                             unsigned int device,
+                                             struct pci_dev *from)
+{
+        return NULL;
+}
 
 static inline struct pci_dev *pci_get_device_reverse(unsigned int vendor,
-                                unsigned int device, struct pci_dev *from)
-{ return NULL; }
+                                                     unsigned int device,
+                                                     struct pci_dev *from)
+{
+        return NULL;
+}
 
-static inline struct pci_dev *pci_get_subsys (unsigned int vendor, unsigned int device,
-unsigned int ss_vendor, unsigned int ss_device, struct pci_dev *from)
-{ return NULL; }
+static inline struct pci_dev *pci_get_subsys(unsigned int vendor,
+                                             unsigned int device,
+                                             unsigned int ss_vendor,
+                                             unsigned int ss_device,
+                                             struct pci_dev *from)
+{
+        return NULL;
+}
 
-static inline struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from)
-{ return NULL; }
+static inline struct pci_dev *pci_get_class(unsigned int class,
+                                            struct pci_dev *from)
+{
+        return NULL;
+}
 
 #define pci_dev_present(ids)    (0)
 #define no_pci_devices()        (1)
 #define pci_find_present(ids)   (NULL)
 #define pci_dev_put(dev)        do { } while (0)
 
-static inline void pci_set_master(struct pci_dev *dev) { }
-static inline int pci_enable_device(struct pci_dev *dev) { return -EIO; }
-static inline void pci_disable_device(struct pci_dev *dev) { }
-static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) { return -EIO; }
-static inline int pci_assign_resource(struct pci_dev *dev, int i) { return -EBUSY;}
-static inline int __pci_register_driver(struct pci_driver *drv, struct module *owner) { return 0;}
-static inline int pci_register_driver(struct pci_driver *drv) { return 0;}
-static inline void pci_unregister_driver(struct pci_driver *drv) { }
-static inline int pci_find_capability (struct pci_dev *dev, int cap) {return 0; }
-static inline int pci_find_next_capability (struct pci_dev *dev, u8 post, int cap) { return 0; }
-static inline int pci_find_ext_capability (struct pci_dev *dev, int cap) {return 0; }
+static inline void pci_set_master(struct pci_dev *dev)
+{ }
+
+static inline int pci_enable_device(struct pci_dev *dev)
+{
+        return -EIO;
+}
+
+static inline void pci_disable_device(struct pci_dev *dev)
+{ }
+
+static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
+{
+        return -EIO;
+}
+
+static inline int pci_assign_resource(struct pci_dev *dev, int i)
+{
+        return -EBUSY;
+}
+
+static inline int __pci_register_driver(struct pci_driver *drv,
+                                        struct module *owner)
+{
+        return 0;
+}
+
+static inline int pci_register_driver(struct pci_driver *drv)
+{
+        return 0;
+}
+
+static inline void pci_unregister_driver(struct pci_driver *drv)
+{ }
+
+static inline int pci_find_capability(struct pci_dev *dev, int cap)
+{
+        return 0;
+}
+
+static inline int pci_find_next_capability(struct pci_dev *dev, u8 post,
+                                           int cap)
+{
+        return 0;
+}
+
+static inline int pci_find_ext_capability(struct pci_dev *dev, int cap)
+{
+        return 0;
+}
+
+static inline void pcie_wait_pending_transaction(struct pci_dev *dev)
+{ }
 
 /* Power management related routines */
-static inline int pci_save_state(struct pci_dev *dev) { return 0; }
-static inline int pci_restore_state(struct pci_dev *dev) { return 0; }
-static inline int pci_set_power_state(struct pci_dev *dev, pci_power_t state) { return 0; }
-static inline pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state) { return PCI_D0; }
-static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable) { return 0; }
+static inline int pci_save_state(struct pci_dev *dev)
+{
+        return 0;
+}
+
+static inline int pci_restore_state(struct pci_dev *dev)
+{
+        return 0;
+}
+
+static inline int pci_set_power_state(struct pci_dev *dev, pci_power_t state)
+{
+        return 0;
+}
+
+static inline pci_power_t pci_choose_state(struct pci_dev *dev,
+                                           pm_message_t state)
+{
+        return PCI_D0;
+}
+
+static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state,
+                                  int enable)
+{
+        return 0;
+}
+
+static inline int pci_request_regions(struct pci_dev *dev, const char *res_name)
+{
+        return -EIO;
+}
 
-static inline int pci_request_regions(struct pci_dev *dev, const char *res_name) { return -EIO; }
-static inline void pci_release_regions(struct pci_dev *dev) { }
+static inline void pci_release_regions(struct pci_dev *dev)
+{ }
 
 #define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0)
 
-static inline void pci_block_user_cfg_access(struct pci_dev *dev) { }
-static inline void pci_unblock_user_cfg_access(struct pci_dev *dev) { }
+static inline void pci_block_user_cfg_access(struct pci_dev *dev)
+{ }
+
+static inline void pci_unblock_user_cfg_access(struct pci_dev *dev)
+{ }
 
 static inline struct pci_bus *pci_find_next_bus(const struct pci_bus *from)
 { return NULL; }
@@ -797,27 +928,27 @@ static inline struct pci_dev *pci_get_bus_and_slot(unsigned int bus,
 
 /* these helpers provide future and backwards compatibility
  * for accessing popular PCI BAR info */
-#define pci_resource_start(dev,bar)   ((dev)->resource[(bar)].start)
-#define pci_resource_end(dev,bar)     ((dev)->resource[(bar)].end)
-#define pci_resource_flags(dev,bar)   ((dev)->resource[(bar)].flags)
+#define pci_resource_start(dev, bar)    ((dev)->resource[(bar)].start)
+#define pci_resource_end(dev, bar)      ((dev)->resource[(bar)].end)
+#define pci_resource_flags(dev, bar)    ((dev)->resource[(bar)].flags)
 #define pci_resource_len(dev,bar) \
-        ((pci_resource_start((dev),(bar)) == 0 &&       \
-          pci_resource_end((dev),(bar)) ==              \
-          pci_resource_start((dev),(bar))) ? 0 :        \
-                                                        \
-         (pci_resource_end((dev),(bar)) -               \
-          pci_resource_start((dev),(bar)) + 1))
+        ((pci_resource_start((dev), (bar)) == 0 &&      \
+          pci_resource_end((dev), (bar)) ==             \
+          pci_resource_start((dev), (bar))) ? 0 :       \
+                                                        \
+         (pci_resource_end((dev), (bar)) -              \
+          pci_resource_start((dev), (bar)) + 1))
 
 /* Similar to the helpers above, these manipulate per-pci_dev
  * driver-specific data.  They are really just a wrapper around
  * the generic device structure functions of these calls.
  */
-static inline void *pci_get_drvdata (struct pci_dev *pdev)
+static inline void *pci_get_drvdata(struct pci_dev *pdev)
 {
         return dev_get_drvdata(&pdev->dev);
 }
 
-static inline void pci_set_drvdata (struct pci_dev *pdev, void *data)
+static inline void pci_set_drvdata(struct pci_dev *pdev, void *data)
 {
         dev_set_drvdata(&pdev->dev, data);
 }
@@ -836,7 +967,7 @@ static inline char *pci_name(struct pci_dev *pdev)
  */
 #ifndef HAVE_ARCH_PCI_RESOURCE_TO_USER
 static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
-                const struct resource *rsrc, resource_size_t *start,
+                const struct resource *rsrc, resource_size_t *start,
                 resource_size_t *end)
 {
         *start = rsrc->start;
@@ -888,9 +1019,9 @@ enum pci_fixup_pass {
 
 void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev);
 
-void __iomem * pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen);
+void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen);
 void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr);
-void __iomem * const * pcim_iomap_table(struct pci_dev *pdev);
+void __iomem * const *pcim_iomap_table(struct pci_dev *pdev);
 int pcim_iomap_regions(struct pci_dev *pdev, u16 mask, const char *name);
 void pcim_iounmap_regions(struct pci_dev *pdev, u16 mask);
 
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index c1914a8b94a9..c0c1223c9194 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -395,9 +395,17 @@
 #define  PCI_EXP_DEVSTA_AUXPD   0x10    /* AUX Power Detected */
 #define  PCI_EXP_DEVSTA_TRPND   0x20    /* Transactions Pending */
 #define PCI_EXP_LNKCAP          12      /* Link Capabilities */
+#define  PCI_EXP_LNKCAP_ASPMS   0xc00   /* ASPM Support */
+#define  PCI_EXP_LNKCAP_L0SEL   0x7000  /* L0s Exit Latency */
+#define  PCI_EXP_LNKCAP_L1EL    0x38000 /* L1 Exit Latency */
+#define  PCI_EXP_LNKCAP_CLKPM   0x40000 /* L1 Clock Power Management */
 #define PCI_EXP_LNKCTL          16      /* Link Control */
+#define  PCI_EXP_LNKCTL_RL      0x20    /* Retrain Link */
+#define  PCI_EXP_LNKCTL_CCC     0x40    /* Common Clock COnfiguration */
 #define  PCI_EXP_LNKCTL_CLKREQ_EN 0x100 /* Enable clkreq */
 #define PCI_EXP_LNKSTA          18      /* Link Status */
+#define  PCI_EXP_LNKSTA_LT      0x800   /* Link Training */
+#define  PCI_EXP_LNKSTA_SLC     0x1000  /* Slot Clock Configuration */
 #define PCI_EXP_SLTCAP          20      /* Slot Capabilities */
 #define PCI_EXP_SLTCTL          24      /* Slot Control */
 #define PCI_EXP_SLTSTA          26      /* Slot Status */