• Linus Torvalds's avatar
    Merge tag 'pci-v3.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci · 80213c03
    Linus Torvalds authored
    Pull PCI updates from Bjorn Helgaas:
     "The interesting things here are:
       - Turn on Config Request Retry Status Software Visibility.  This
         caused hangs last time, but we included a fix this time.
       - Rework PCI device configuration to use _HPP/_HPX more aggressively
       - Allow PCI devices to be put into D3cold during system suspend
       - Add arm64 PCI support
       - Add APM X-Gene host bridge driver
       - Add TI Keystone host bridge driver
       - Add Xilinx AXI host bridge driver
      More detailed summary:
        - Check Vendor ID only for Config Request Retry Status (Rajat Jain)
        - Enable Config Request Retry Status when supported (Rajat Jain)
        - Add generic domain handling (Catalin Marinas)
        - Generate uppercase hex for modalias interface class (Ricardo Ribalda Delgado)
      Resource management
        - Add missing MEM_64 mask in pci_assign_unassigned_bridge_resources() (Yinghai Lu)
        - Increase IBM ipr SAS Crocodile BARs to at least system page size (Douglas Lehr)
      PCI device hotplug
        - Prevent NULL dereference during pciehp probe (Andreas Noever)
        - Move _HPP & _HPX handling into core (Bjorn Helgaas)
        - Apply _HPP to PCIe devices as well as PCI (Bjorn Helgaas)
        - Apply _HPP/_HPX to display devices (Bjorn Helgaas)
        - Preserve SERR & PARITY settings when applying _HPP/_HPX (Bjorn Helgaas)
        - Preserve MPS and MRRS settings when applying _HPP/_HPX (Bjorn Helgaas)
        - Apply _HPP/_HPX to all devices, not just hot-added ones (Bjorn Helgaas)
        - Fix wait time in pciehp timeout message (Yinghai Lu)
        - Add more pciehp Slot Control debug output (Yinghai Lu)
        - Stop disabling pciehp notifications during init (Yinghai Lu)
        - Remove arch_msi_check_device() (Alexander Gordeev)
        - Rename pci_msi_check_device() to pci_msi_supported() (Alexander Gordeev)
        - Move D0 check into pci_msi_check_device() (Alexander Gordeev)
        - Remove unused kobject from struct msi_desc (Yijing Wang)
        - Remove "pos" from the struct msi_desc msi_attrib (Yijing Wang)
        - Add "msi_bus" sysfs MSI/MSI-X control for endpoints (Yijing Wang)
        - Use __get_cached_msi_msg() instead of get_cached_msi_msg() (Yijing Wang)
        - Use __read_msi_msg() instead of read_msi_msg() (Yijing Wang)
        - Use __write_msi_msg() instead of write_msi_msg() (Yijing Wang)
      Power management
        - Drop unused runtime PM support code for PCIe ports (Rafael J.  Wysocki)
        - Allow PCI devices to be put into D3cold during system suspend (Rafael J. Wysocki)
        - Add additional AER error strings (Gong Chen)
        - Make <linux/aer.h> standalone includable (Thierry Reding)
        - Add ACS quirk for Solarflare SFC9120 & SFC9140 (Alex Williamson)
        - Add ACS quirk for Intel 10G NICs (Alex Williamson)
        - Add ACS quirk for AMD A88X southbridge (Marti Raudsepp)
        - Remove unused pci_find_upstream_pcie_bridge(), pci_get_dma_source() (Alex Williamson)
        - Add device flag helpers (Ethan Zhao)
        - Assume all Mellanox devices have broken INTx masking (Gavin Shan)
      Generic host bridge driver
        - Fix ioport_map() for !CONFIG_GENERIC_IOMAP (Liviu Dudau)
        - Add pci_register_io_range() and pci_pio_to_address() (Liviu Dudau)
        - Define PCI_IOBASE as the base of virtual PCI IO space (Liviu Dudau)
        - Fix the conversion of IO ranges into IO resources (Liviu Dudau)
        - Add pci_get_new_domain_nr() and of_get_pci_domain_nr() (Liviu Dudau)
        - Add support for parsing PCI host bridge resources from DT (Liviu Dudau)
        - Add pci_remap_iospace() to map bus I/O resources (Liviu Dudau)
        - Add arm64 architectural support for PCI (Liviu Dudau)
      APM X-Gene
        - Add APM X-Gene PCIe driver (Tanmay Inamdar)
        - Add arm64 DT APM X-Gene PCIe device tree nodes (Tanmay Inamdar)
      Freescale i.MX6
        - Probe in module_init(), not fs_initcall() (Lucas Stach)
        - Delay enabling reference clock for SS until it stabilizes (Tim Harvey)
      Marvell MVEBU
        - Fix uninitialized variable in mvebu_get_tgt_attr() (Thomas Petazzoni)
      NVIDIA Tegra
        - Make sure the PCIe PLL is really reset (Eric Yuen)
        - Add error path tegra_msi_teardown_irq() cleanup (Jisheng Zhang)
        - Fix extended configuration space mapping (Peter Daifuku)
        - Implement resource hierarchy (Thierry Reding)
        - Clear CLKREQ# enable on port disable (Thierry Reding)
        - Add Tegra124 support (Thierry Reding)
      ST Microelectronics SPEAr13xx
        - Pass config resource through reg property (Pratyush Anand)
      Synopsys DesignWare
        - Use NULL instead of false (Fabio Estevam)
        - Parse bus-range property from devicetree (Lucas Stach)
        - Use pci_create_root_bus() instead of pci_scan_root_bus() (Lucas Stach)
        - Remove pci_assign_unassigned_resources() (Lucas Stach)
        - Check private_data validity in single place (Lucas Stach)
        - Setup and clear exactly one MSI at a time (Lucas Stach)
        - Remove open-coded bitmap operations (Lucas Stach)
        - Fix configuration base address when using 'reg' (Minghuan Lian)
        - Fix IO resource end address calculation (Minghuan Lian)
        - Rename get_msi_data() to get_msi_addr() (Minghuan Lian)
        - Add get_msi_data() to pcie_host_ops (Minghuan Lian)
        - Add support for v3.65 hardware (Murali Karicheri)
        - Fold struct pcie_port_info into struct pcie_port (Pratyush Anand)
      TI Keystone
        - Add TI Keystone PCIe driver (Murali Karicheri)
        - Limit MRSS for all downstream devices (Murali Karicheri)
        - Assume controller is already in RC mode (Murali Karicheri)
        - Set device ID based on SoC to support multiple ports (Murali Karicheri)
      Xilinx AXI
        - Add Xilinx AXI PCIe driver (Srikanth Thokala)
        - Fix xilinx_pcie_assign_msi() return value test (Dan Carpenter)
        - Clean up whitespace (Quentin Lambert)
        - Remove assignments from "if" conditions (Quentin Lambert)
        - Move PCI_VENDOR_ID_VMWARE to pci_ids.h (Francesco Ruggeri)
        - x86: Mark DMI tables as initialization data (Mathias Krause)
        - x86: Move __init annotation to the correct place (Mathias Krause)
        - x86: Mark constants of pci_mmcfg_nvidia_mcp55() as __initconst (Mathias Krause)
        - x86: Constify pci_mmcfg_probes[] array (Mathias Krause)
        - x86: Mark PCI BIOS initialization code as such (Mathias Krause)
        - Parenthesize PCI_DEVID and PCI_VPD_LRDT_ID parameters (Megan Kamiya)
        - Remove unnecessary variable in pci_add_dynid() (Tobias Klauser)"
    * tag 'pci-v3.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (109 commits)
      arm64: dts: Add APM X-Gene PCIe device tree nodes
      PCI: Add ACS quirk for AMD A88X southbridge devices
      PCI: xgene: Add APM X-Gene PCIe driver
      PCI: designware: Remove open-coded bitmap operations
      PCI/MSI: Remove unnecessary temporary variable
      PCI/MSI: Use __write_msi_msg() instead of write_msi_msg()
      MSI/powerpc: Use __read_msi_msg() instead of read_msi_msg()
      PCI/MSI: Use __get_cached_msi_msg() instead of get_cached_msi_msg()
      PCI/MSI: Add "msi_bus" sysfs MSI/MSI-X control for endpoints
      PCI/MSI: Remove "pos" from the struct msi_desc msi_attrib
      PCI/MSI: Remove unused kobject from struct msi_desc
      PCI/MSI: Rename pci_msi_check_device() to pci_msi_supported()
      PCI/MSI: Move D0 check into pci_msi_check_device()
      PCI/MSI: Remove arch_msi_check_device()
      irqchip: armada-370-xp: Remove arch_msi_check_device()
      PCI/MSI/PPC: Remove arch_msi_check_device()
      arm64: Add architectural support for PCI
      PCI: Add pci_remap_iospace() to map bus I/O resources
      of/pci: Add support for parsing PCI host bridge resources from DT
      of/pci: Add pci_get_new_domain_nr() and of_get_pci_domain_nr()
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