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    Merge tag 'pci-v5.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci · c3bed3b2
    Linus Torvalds authored
    Pull PCI updates from Bjorn Helgaas:
     "Enumeration:
    
       - Warn if a host bridge has no NUMA info (Yunsheng Lin)
    
       - Add PCI_STD_NUM_BARS for the number of standard BARs (Denis
         Efremov)
    
      Resource management:
    
       - Fix boot-time Embedded Controller GPE storm caused by incorrect
         resource assignment after ACPI Bus Check Notification (Mika
         Westerberg)
    
       - Protect pci_reassign_bridge_resources() against concurrent
         addition/removal (Benjamin Herrenschmidt)
    
       - Fix bridge dma_ranges resource list cleanup (Rob Herring)
    
       - Add "pci=hpmmiosize" and "pci=hpmmioprefsize" parameters to control
         the MMIO and prefetchable MMIO window sizes of hotplug bridges
         independently (Nicholas Johnson)
    
       - Fix MMIO/MMIO_PREF window assignment that assigned more space than
         desired (Nicholas Johnson)
    
       - Only enforce bus numbers from bridge EA if the bridge has EA
         devices downstream (Subbaraya Sundeep)
    
       - Consolidate DT "dma-ranges" parsing and convert all host drivers to
         use shared parsing (Rob Herring)
    
      Error reporting:
    
       - Restore AER capability after resume (Mayurkumar Patel)
    
       - Add PoisonTLPBlocked AER counter (Rajat Jain)
    
       - Use for_each_set_bit() to simplify AER code (Andy Shevchenko)
    
       - Fix AER kernel-doc (Andy Shevchenko)
    
       - Add "pcie_ports=dpc-native" parameter to allow native use of DPC
         even if platform didn't grant control over AER (Olof Johansson)
    
      Hotplug:
    
       - Avoid returning prematurely from sysfs requests to enable or
         disable a PCIe hotplug slot (Lukas Wunner)
    
       - Don't disable interrupts twice when suspending hotplug ports (Mika
         Westerberg)
    
       - Fix deadlocks when PCIe ports are hot-removed while suspended (Mika
         Westerberg)
    
      Power management:
    
       - Remove unnecessary ASPM locking (Bjorn Helgaas)
    
       - Add support for disabling L1 PM Substates (Heiner Kallweit)
    
       - Allow re-enabling Clock PM after it has been disabled (Heiner
         Kallweit)
    
       - Add sysfs attributes for controlling ASPM link states (Heiner
         Kallweit)
    
       - Remove CONFIG_PCIEASPM_DEBUG, including "link_state" and "clk_ctl"
         sysfs files (Heiner Kallweit)
    
       - Avoid AMD FCH XHCI USB PME# from D0 defect that prevents wakeup on
         USB 2.0 or 1.1 connect events (Kai-Heng Feng)
    
       - Move power state check out of pci_msi_supported() (Bjorn Helgaas)
    
       - Fix incorrect MSI-X masking on resume and revert related nvme quirk
         for Kingston NVME SSD running FW E8FK11.T (Jian-Hong Pan)
    
       - Always return devices to D0 when thawing to fix hibernation with
         drivers like mlx4 that used legacy power management (previously we
         only did it for drivers with new power management ops) (Dexuan Cui)
    
       - Clear PCIe PME Status even for legacy power management (Bjorn
         Helgaas)
    
       - Fix PCI PM documentation errors (Bjorn Helgaas)
    
       - Use dev_printk() for more power management messages (Bjorn Helgaas)
    
       - Apply D2 delay as milliseconds, not microseconds (Bjorn Helgaas)
    
       - Convert xen-platform from legacy to generic power management (Bjorn
         Helgaas)
    
       - Removed unused .resume_early() and .suspend_late() legacy power
         management hooks (Bjorn Helgaas)
    
       - Rearrange power management code for clarity (Rafael J. Wysocki)
    
       - Decode power states more clearly ("4" or "D4" really refers to
         "D3cold") (Bjorn Helgaas)
    
       - Notice when reading PM Control register returns an error (~0)
         instead of interpreting it as being in D3hot (Bjorn Helgaas)
    
       - Add missing link delays required by the PCIe spec (Mika Westerberg)
    
      Virtualization:
    
       - Move pci_prg_resp_pasid_required() to CONFIG_PCI_PRI (Bjorn
         Helgaas)
    
       - Allow VFs to use PRI (the PF PRI is shared by the VFs, but the code
         previously didn't recognize that) (Kuppuswamy Sathyanarayanan)
    
       - Allow VFs to use PASID (the PF PASID capability is shared by the
         VFs, but the code previously didn't recognize that) (Kuppuswamy
         Sathyanarayanan)
    
       - Disconnect PF and VF ATS enablement, since ATS in PFs and
         associated VFs can be enabled independently (Kuppuswamy
         Sathyanarayanan)
    
       - Cache PRI and PASID capability offsets (Kuppuswamy Sathyanarayanan)
    
       - Cache the PRI PRG Response PASID Required bit (Bjorn Helgaas)
    
       - Consolidate ATS declarations in linux/pci-ats.h (Krzysztof
         Wilczynski)
    
       - Remove unused PRI and PASID stubs (Bjorn Helgaas)
    
       - Removed unnecessary EXPORT_SYMBOL_GPL() from ATS, PRI, and PASID
         interfaces that are only used by built-in IOMMU drivers (Bjorn
         Helgaas)
    
       - Hide PRI and PASID state restoration functions used only inside the
         PCI core (Bjorn Helgaas)
    
       - Add a DMA alias quirk for the Intel VCA NTB (Slawomir Pawlowski)
    
       - Serialize sysfs sriov_numvfs reads vs writes (Pierre Crégut)
    
       - Update Cavium ACS quirk for ThunderX2 and ThunderX3 (George
         Cherian)
    
       - Fix the UPDCR register address in the Intel ACS quirk (Steffen
         Liebergeld)
    
       - Unify ACS quirk implementations (Bjorn Helgaas)
    
      Amlogic Meson host bridge driver:
    
       - Fix meson PERST# GPIO polarity problem (Remi Pommarel)
    
       - Add DT bindings for Amlogic Meson G12A (Neil Armstrong)
    
       - Fix meson clock names to match DT bindings (Neil Armstrong)
    
       - Add meson support for Amlogic G12A SoC with separate shared PHY
         (Neil Armstrong)
    
       - Add meson extended PCIe PHY functions for Amlogic G12A USB3+PCIe
         combo PHY (Neil Armstrong)
    
       - Add arm64 DT for Amlogic G12A PCIe controller node (Neil Armstrong)
    
       - Add commented-out description of VIM3 USB3/PCIe mux in arm64 DT
         (Neil Armstrong)
    
      Broadcom iProc host bridge driver:
    
       - Invalidate iProc PAXB address mapping before programming it
         (Abhishek Shah)
    
       - Fix iproc-msi and mvebu __iomem annotations (Ben Dooks)
    
      Cadence host bridge driver:
    
       - Refactor Cadence PCIe host controller to use as a library for both
         host and endpoint (Tom Joseph)
    
      Freescale Layerscape host bridge driver:
    
       - Add layerscape LS1028a support (Xiaowei Bao)
    
      Intel VMD host bridge driver:
    
       - Add VMD bus 224-255 restriction decode (Jon Derrick)
    
       - Add VMD 8086:9A0B device ID (Jon Derrick)
    
       - Remove Keith from VMD maintainer list (Keith Busch)
    
      Marvell ARMADA 3700 / Aardvark host bridge driver:
    
       - Use LTSSM state to build link training flag since Aardvark doesn't
         implement the Link Training bit (Remi Pommarel)
    
       - Delay before training Aardvark link in case PERST# was asserted
         before the driver probe (Remi Pommarel)
    
       - Fix Aardvark issues with Root Control reads and writes (Remi
         Pommarel)
    
       - Don't rely on jiffies in Aardvark config access path since
         interrupts may be disabled (Remi Pommarel)
    
       - Fix Aardvark big-endian support (Grzegorz Jaszczyk)
    
      Marvell ARMADA 370 / XP host bridge driver:
    
       - Make mvebu_pci_bridge_emul_ops static (Ben Dooks)
    
      Microsoft Hyper-V host bridge driver:
    
       - Add hibernation support for Hyper-V virtual PCI devices (Dexuan
         Cui)
    
       - Track Hyper-V pci_protocol_version per-hbus, not globally (Dexuan
         Cui)
    
       - Avoid kmemleak false positive on hv hbus buffer (Dexuan Cui)
    
      Mobiveil host bridge driver:
    
       - Change mobiveil csr_read()/write() function names that conflict
         with riscv arch functions (Kefeng Wang)
    
      NVIDIA Tegra host bridge driver:
    
       - Fix Tegra CLKREQ dependency programming (Vidya Sagar)
    
      Renesas R-Car host bridge driver:
    
       - Remove unnecessary header include from rcar (Andrew Murray)
    
       - Tighten register index checking for rcar inbound range programming
         (Marek Vasut)
    
       - Fix rcar inbound range alignment calculation to improve packing of
         multiple entries (Marek Vasut)
    
       - Update rcar MACCTLR setting to match documentation (Yoshihiro
         Shimoda)
    
       - Clear bit 0 of MACCTLR before PCIETCTLR.CFINIT per manual
         (Yoshihiro Shimoda)
    
       - Add Marek Vasut and Yoshihiro Shimoda as R-Car maintainers (Simon
         Horman)
    
      Rockchip host bridge driver:
    
       - Make rockchip 0V9 and 1V8 power regulators non-optional (Robin
         Murphy)
    
      Socionext UniPhier host bridge driver:
    
       - Set uniphier to host (RC) mode always (Kunihiko Hayashi)
    
      Endpoint drivers:
    
       - Fix endpoint driver sign extension problem when shifting page
         number to phys_addr_t (Alan Mikhak)
    
      Misc:
    
       - Add NumaChip SPDX header (Krzysztof Wilczynski)
    
       - Replace EXTRA_CFLAGS with ccflags-y (Krzysztof Wilczynski)
    
       - Remove unused includes (Krzysztof Wilczynski)
    
       - Removed unused sysfs attribute groups (Ben Dooks)
    
       - Remove PTM and ASPM dependencies on PCIEPORTBUS (Bjorn Helgaas)
    
       - Add PCIe Link Control 2 register field definitions to replace magic
         numbers in AMDGPU and Radeon CIK/SI (Bjorn Helgaas)
    
       - Fix incorrect Link Control 2 Transmit Margin usage in AMDGPU and
         Radeon CIK/SI PCIe Gen3 link training (Bjorn Helgaas)
    
       - Use pcie_capability_read_word() instead of pci_read_config_word()
         in AMDGPU and Radeon CIK/SI (Frederick Lawler)
    
       - Remove unused pci_irq_get_node() Greg Kroah-Hartman)
    
       - Make asm/msi.h mandatory and simplify PCI_MSI_IRQ_DOMAIN Kconfig
         (Palmer Dabbelt, Michal Simek)
    
       - Read all 64 bits of Switchtec part_event_bitmap (Logan Gunthorpe)
    
       - Fix erroneous intel-iommu dependency on CONFIG_AMD_IOMMU (Bjorn
         Helgaas)
    
       - Fix bridge emulation big-endian support (Grzegorz Jaszczyk)
    
       - Fix dwc find_next_bit() usage (Niklas Cassel)
    
       - Fix pcitest.c fd leak (Hewenliang)
    
       - Fix typos and comments (Bjorn Helgaas)
    
       - Fix Kconfig whitespace errors (Krzysztof Kozlowski)"
    
    * tag 'pci-v5.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (160 commits)
      PCI: Remove PCI_MSI_IRQ_DOMAIN architecture whitelist
      asm-generic: Make msi.h a mandatory include/asm header
      Revert "nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T"
      PCI/MSI: Fix incorrect MSI-X masking on resume
      PCI/MSI: Move power state check out of pci_msi_supported()
      PCI/MSI: Remove unused pci_irq_get_node()
      PCI: hv: Avoid a kmemleak false positive caused by the hbus buffer
      PCI: hv: Change pci_protocol_version to per-hbus
      PCI: hv: Add hibernation support
      PCI: hv: Reorganize the code in preparation of hibernation
      MAINTAINERS: Remove Keith from VMD maintainer
      PCI/ASPM: Remove PCIEASPM_DEBUG Kconfig option and related code
      PCI/ASPM: Add sysfs attributes for controlling ASPM link states
      PCI: Fix indentation
      drm/radeon: Prefer pcie_capability_read_word()
      drm/radeon: Replace numbers with PCI_EXP_LNKCTL2 definitions
      drm/radeon: Correct Transmit Margin masks
      drm/amdgpu: Prefer pcie_capability_read_word()
      PCI: uniphier: Set mode register to host mode
      drm/amdgpu: Replace numbers with PCI_EXP_LNKCTL2 definitions
      ...
    c3bed3b2