Merge tag 'pci-v3.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI changes from Bjorn Helgaas:
 "PCI device hotplug
    - Add pci_alloc_dev() interface (Gu Zheng)
    - Add pci_bus_get()/put() for reference counting (Jiang Liu)
    - Fix SR-IOV reference count issues (Jiang Liu)
    - Remove unused acpi_pci_roots list (Jiang Liu)

  MSI
    - Conserve interrupt resources on x86 (Alexander Gordeev)

  AER
    - Force fatal severity when component has been reset (Betty Dall)
    - Reset link below Root Port as well as Downstream Port (Betty Dall)
    - Fix "Firmware first" flag setting (Bjorn Helgaas)
    - Don't parse HEST for non-PCIe devices (Bjorn Helgaas)

  ASPM
    - Warn when we can't disable ASPM as driver requests (Bjorn Helgaas)

  Miscellaneous
    - Add CircuitCo PCI IDs (Darren Hart)
    - Add AMD CZ SATA and SMBus PCI IDs (Shane Huang)
    - Work around Ivytown NTB BAR size issue (Jon Mason)
    - Detect invalid initial BAR values (Kevin Hao)
    - Add pcibios_release_device() (Sebastian Ott)
    - Fix powerpc & sparc PCI_UNKNOWN power state usage (Bjorn Helgaas)"

* tag 'pci-v3.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (51 commits)
  MAINTAINERS: Add ACPI folks for ACPI-related things under drivers/pci
  PCI: Add CircuitCo vendor ID and subsystem ID
  PCI: Use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID_PM)
  PCI: Return early on allocation failures to unindent mainline code
  PCI: Simplify IOV implementation and fix reference count races
  PCI: Drop redundant setting of bus->is_added in virtfn_add_bus()
  unicore32/PCI: Remove redundant call of pci_bus_add_devices()
  m68k/PCI: Remove redundant call of pci_bus_add_devices()
  PCI / ACPI / PM: Use correct power state strings in messages
  PCI: Fix comment typo for pcie_pme_remove()
  PCI: Rename pci_release_bus_bridge_dev() to pci_release_host_bridge_dev()
  PCI: Fix refcount issue in pci_create_root_bus() error recovery path
  ia64/PCI: Clean up pci_scan_root_bus() usage
  PCI/AER: Reset link for devices below Root Port or Downstream Port
  ACPI / APEI: Force fatal AER severity when component has been reset
  PCI/AER: Remove "extern" from function declarations
  PCI/AER: Move AER severity defines to aer.h
  PCI/AER: Set dev->__aer_firmware_first only for matching devices
  PCI/AER: Factor out HEST device type matching
  PCI/AER: Don't parse HEST table for non-PCIe devices
  ...

4 files changed, 23 insertions, 12 deletions

diff --git a/include/linux/aer.h b/include/linux/aer.h
index 737f90ab4b62..4dbaa7081530 100644
--- a/include/linux/aer.h
+++ b/include/linux/aer.h
@@ -7,6 +7,10 @@
 #ifndef _AER_H_
 #define _AER_H_
 
+#define AER_NONFATAL			0
+#define AER_FATAL			1
+#define AER_CORRECTABLE			2
+
 struct aer_header_log_regs {
 	unsigned int dw0;
 	unsigned int dw1;
@@ -31,9 +35,9 @@ struct aer_capability_regs {
 
 #if defined(CONFIG_PCIEAER)
 /* pci-e port driver needs this function to enable aer */
-extern int pci_enable_pcie_error_reporting(struct pci_dev *dev);
-extern int pci_disable_pcie_error_reporting(struct pci_dev *dev);
-extern int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
+int pci_enable_pcie_error_reporting(struct pci_dev *dev);
+int pci_disable_pcie_error_reporting(struct pci_dev *dev);
+int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
 #else
 static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
 {
@@ -49,11 +53,11 @@ static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
 }
 #endif
 
-extern void cper_print_aer(struct pci_dev *dev,
-			   int cper_severity, struct aer_capability_regs *aer);
-extern int cper_severity_to_aer(int cper_severity);
-extern void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
-			      int severity,
-			      struct aer_capability_regs *aer_regs);
+void cper_print_aer(struct pci_dev *dev, int cper_severity,
+		    struct aer_capability_regs *aer);
+int cper_severity_to_aer(int cper_severity);
+void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
+		       int severity,
+		       struct aer_capability_regs *aer_regs);
 #endif //_AER_H_
 
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 20c2d6dd5d25..ee66f3a12fb6 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -35,6 +35,7 @@ struct msi_desc {
 
 	u32 masked;			/* mask bits */
 	unsigned int irq;
+	unsigned int nvec_used;		/* number of messages */
 	struct list_head list;
 
 	union {
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 8f170e9073a5..0fd1f1582fa1 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -364,7 +364,8 @@ static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
 	return dev;
 }
 
-struct pci_dev *alloc_pci_dev(void);
+struct pci_dev *pci_alloc_dev(struct pci_bus *bus);
+struct pci_dev * __deprecated alloc_pci_dev(void);
 
 #define	to_pci_dev(n) container_of(n, struct pci_dev, dev)
 #define for_each_pci_dev(d) while ((d = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, d)) != NULL)
@@ -1018,6 +1019,8 @@ int pci_request_selected_regions_exclusive(struct pci_dev *, int, const char *);
 void pci_release_selected_regions(struct pci_dev *, int);
 
 /* drivers/pci/bus.c */
+struct pci_bus *pci_bus_get(struct pci_bus *bus);
+void pci_bus_put(struct pci_bus *bus);
 void pci_add_resource(struct list_head *resources, struct resource *res);
 void pci_add_resource_offset(struct list_head *resources, struct resource *res,
 			     resource_size_t offset);
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index c12916248469..3bed2e89611b 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -556,7 +556,6 @@
 #define PCI_DEVICE_ID_AMD_8131_BRIDGE	0x7450
 #define PCI_DEVICE_ID_AMD_8131_APIC	0x7451
 #define PCI_DEVICE_ID_AMD_8132_BRIDGE	0x7458
-#define PCI_DEVICE_ID_AMD_HUDSON2_SMBUS	0x780b
 #define PCI_DEVICE_ID_AMD_CS5535_IDE    0x208F
 #define PCI_DEVICE_ID_AMD_CS5536_ISA    0x2090
 #define PCI_DEVICE_ID_AMD_CS5536_FLASH  0x2091
@@ -568,8 +567,9 @@
 #define PCI_DEVICE_ID_AMD_CS5536_IDE    0x209A
 #define PCI_DEVICE_ID_AMD_LX_VIDEO  0x2081
 #define PCI_DEVICE_ID_AMD_LX_AES    0x2082
-#define PCI_DEVICE_ID_AMD_HUDSON2_IDE		0x780c
 #define PCI_DEVICE_ID_AMD_HUDSON2_SATA_IDE	0x7800
+#define PCI_DEVICE_ID_AMD_HUDSON2_SMBUS		0x780b
+#define PCI_DEVICE_ID_AMD_HUDSON2_IDE		0x780c
 
 #define PCI_VENDOR_ID_TRIDENT		0x1023
 #define PCI_DEVICE_ID_TRIDENT_4DWAVE_DX	0x2000
@@ -2476,6 +2476,9 @@
 
 #define PCI_VENDOR_ID_ASMEDIA		0x1b21
 
+#define PCI_VENDOR_ID_CIRCUITCO		0x1cc8
+#define PCI_SUBSYSTEM_ID_CIRCUITCO_MINNOWBOARD	0x0001
+
 #define PCI_VENDOR_ID_TEKRAM		0x1de1
 #define PCI_DEVICE_ID_TEKRAM_DC290	0xdc29