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PCI changes for the v3.20 merge window:

Browse source 
Enumeration
     - Move domain assignment from arm64 to generic code (Lorenzo Pieralisi)
     - ARM: Remove artificial dependency on pci_sys_data domain (Lorenzo Pieralisi)
     - ARM: Move to generic PCI domains (Lorenzo Pieralisi)
     - Generate uppercase hex for modalias var in uevent (Ricardo Ribalda Delgado)
     - Add and use generic config accessors on ARM, PowerPC (Rob Herring)
 
   Resource management
     - Free resources on failure in of_pci_get_host_bridge_resources() (Lorenzo Pieralisi)
     - Fix infinite loop with ROM image of size 0 (Michel Dänzer)
 
   PCI device hotplug
     - Handle surprise add even if surprise removal isn't supported (Bjorn Helgaas)
 
   Virtualization
     - Mark AMD/ATI VGA devices that don't reset on D3hot->D0 transition (Alex Williamson)
     - Add DMA alias quirk for Adaptec 3405 (Alex Williamson)
     - Add Wellsburg (X99) to Intel PCH root port ACS quirk (Alex Williamson)
     - Add ACS quirk for Emulex NICs (Vasundhara Volam)
 
   MSI
     - Fail MSI-X mappings if there's no space assigned to MSI-X BAR (Yijing Wang)
 
   Freescale Layerscape host bridge driver
     - Fix platform_no_drv_owner.cocci warnings (Julia Lawall)
 
   NVIDIA Tegra host bridge driver
     - Remove unnecessary tegra_pcie_fixup_bridge() (Lucas Stach)
 
   Renesas R-Car host bridge driver
     - Fix error handling of irq_of_parse_and_map() (Dmitry Torokhov)
 
   TI Keystone host bridge driver
     - Fix error handling of irq_of_parse_and_map() (Dmitry Torokhov)
     - Fix misspelling of current function in debug output (Julia Lawall)
 
   Xilinx AXI host bridge driver
     - Fix harmless format string warning (Arnd Bergmann)
 
   Miscellaneous
     - Use standard parsing functions for ASPM sysfs setters (Chris J Arges)
     - Add pci_device_to_OF_node() stub for !CONFIG_OF (Kevin Hao)
     - Delete unnecessary NULL pointer checks (Markus Elfring)
     - Add and use defines for PCIe Max_Read_Request_Size (Rafał Miłecki)
     - Include clk.h instead of clk-private.h (Stephen Boyd)
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Merge tag 'pci-v3.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI changes from Bjorn Helgaas:
 "Enumeration
    - Move domain assignment from arm64 to generic code (Lorenzo Pieralisi)
    - ARM: Remove artificial dependency on pci_sys_data domain (Lorenzo Pieralisi)
    - ARM: Move to generic PCI domains (Lorenzo Pieralisi)
    - Generate uppercase hex for modalias var in uevent (Ricardo Ribalda Delgado)
    - Add and use generic config accessors on ARM, PowerPC (Rob Herring)

  Resource management
    - Free resources on failure in of_pci_get_host_bridge_resources() (Lorenzo Pieralisi)
    - Fix infinite loop with ROM image of size 0 (Michel Dänzer)

  PCI device hotplug
    - Handle surprise add even if surprise removal isn't supported (Bjorn Helgaas)

  Virtualization
    - Mark AMD/ATI VGA devices that don't reset on D3hot->D0 transition (Alex Williamson)
    - Add DMA alias quirk for Adaptec 3405 (Alex Williamson)
    - Add Wellsburg (X99) to Intel PCH root port ACS quirk (Alex Williamson)
    - Add ACS quirk for Emulex NICs (Vasundhara Volam)

  MSI
    - Fail MSI-X mappings if there's no space assigned to MSI-X BAR (Yijing Wang)

  Freescale Layerscape host bridge driver
    - Fix platform_no_drv_owner.cocci warnings (Julia Lawall)

  NVIDIA Tegra host bridge driver
    - Remove unnecessary tegra_pcie_fixup_bridge() (Lucas Stach)

  Renesas R-Car host bridge driver
    - Fix error handling of irq_of_parse_and_map() (Dmitry Torokhov)

  TI Keystone host bridge driver
    - Fix error handling of irq_of_parse_and_map() (Dmitry Torokhov)
    - Fix misspelling of current function in debug output (Julia Lawall)

  Xilinx AXI host bridge driver
    - Fix harmless format string warning (Arnd Bergmann)

  Miscellaneous
    - Use standard parsing functions for ASPM sysfs setters (Chris J Arges)
    - Add pci_device_to_OF_node() stub for !CONFIG_OF (Kevin Hao)
    - Delete unnecessary NULL pointer checks (Markus Elfring)
    - Add and use defines for PCIe Max_Read_Request_Size (Rafał Miłecki)
    - Include clk.h instead of clk-private.h (Stephen Boyd)"

* tag 'pci-v3.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (48 commits)
  PCI: Add pci_device_to_OF_node() stub for !CONFIG_OF
  PCI: xilinx: Convert to use generic config accessors
  PCI: xgene: Convert to use generic config accessors
  PCI: tegra: Convert to use generic config accessors
  PCI: rcar: Convert to use generic config accessors
  PCI: generic: Convert to use generic config accessors
  powerpc/powermac: Convert PCI to use generic config accessors
  powerpc/fsl_pci: Convert PCI to use generic config accessors
  ARM: ks8695: Convert PCI to use generic config accessors
  ARM: sa1100: Convert PCI to use generic config accessors
  ARM: integrator: Convert PCI to use generic config accessors
  PCI: versatile: Add DT-based ARM Versatile PB PCIe host driver
  ARM: dts: versatile: add PCI controller binding
  of/pci: Free resources on failure in of_pci_get_host_bridge_resources()
  PCI: versatile: Add DT docs for ARM Versatile PB PCIe driver
  PCI: Fail MSI-X mappings if there's no space assigned to MSI-X BAR
  r8169: use PCI define for Max_Read_Request_Size
  [SCSI] esas2r: use PCI define for Max_Read_Request_Size
  tile: use PCI define for Max_Read_Request_Size
  rapidio/tsi721: use PCI define for Max_Read_Request_Size
  ...
This commit is contained in:
Linus Torvalds 2015-02-10 14:31:28 -08:00
commit c08f846793
51 changed files with 744 additions and 978 deletions
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15
include/linux/pci.h
View file

@ -177,6 +177,8 @@ enum pci_dev_flags {
PCI_DEV_FLAG_PCIE_BRIDGE_ALIAS = (__force pci_dev_flags_t) (1 << 5),
/* Do not use bus resets for device */
PCI_DEV_FLAGS_NO_BUS_RESET = (__force pci_dev_flags_t) (1 << 6),
/* Do not use PM reset even if device advertises NoSoftRst- */
PCI_DEV_FLAGS_NO_PM_RESET = (__force pci_dev_flags_t) (1 << 7),
};
enum pci_irq_reroute_variant {
@ -562,6 +564,7 @@ static inline int pcibios_err_to_errno(int err)
/* Low-level architecture-dependent routines */
struct pci_ops {
void __iomem *(*map_bus)(struct pci_bus *bus, unsigned int devfn, int where);
int (*read)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val);
int (*write)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
};
@ -859,6 +862,16 @@ 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_generic_config_read(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 *val);
int pci_generic_config_write(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 val);
int pci_generic_config_read32(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 *val);
int pci_generic_config_write32(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 val);
struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops);
static inline int pci_read_config_byte(const struct pci_dev *dev, int where, u8 *val)
@ -1850,6 +1863,8 @@ static inline void pci_set_of_node(struct pci_dev *dev) { }
static inline void pci_release_of_node(struct pci_dev *dev) { }
static inline void pci_set_bus_of_node(struct pci_bus *bus) { }
static inline void pci_release_bus_of_node(struct pci_bus *bus) { }
static inline struct device_node *
pci_device_to_OF_node(const struct pci_dev *pdev) { return NULL; }
#endif /* CONFIG_OF */
#ifdef CONFIG_EEH