[GIT PULL] PCI changes for v5.18

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The following changes since commit e783362eb54cd99b2cac8b3a9aeac942e6f6ac07:

  Linux 5.17-rc1 (2022-01-23 10:12:53 +0200)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git tags/pci-v5.18-changes

for you to fetch changes up to 611f841830aa5723ea67682628bd214cbc18df41:

  Merge branch 'remotes/lorenzo/pci/xgene' (2022-03-22 17:16:27 -0500)

----------------------------------------------------------------

Enumeration:
  - Move the VGA arbiter from drivers/gpu to drivers/pci because it's
    PCI-specific, not GPU-specific (Bjorn Helgaas)
  - Select the default VGA device consistently whether it's enumerated
    before or after VGA arbiter init, which fixes arches that enumerate PCI
    devices late (Huacai Chen)

Resource management:
  - Support BAR sizes up to 8TB (Dongdong Liu)

PCIe native device hotplug:
  - Fix "Command Completed" tracking to avoid spurious timouts when
    powering off empty slots (Liguang Zhang)
  - Quirk Qualcomm devices that don't implement Command Completed
    correctly, again to avoid spurious timeouts (Manivannan Sadhasivam)

Peer-to-peer DMA:
  - Add Intel 3rd Gen Intel Xeon Scalable Processors to whitelist (Michael
    J. Ruhl)

APM X-Gene PCIe controller driver:
  - Revert generic DT parsing changes that broke some machines in the field
    (Marc Zyngier)

Freescale i.MX6 PCIe controller driver:
  - Allow controller probe to succeed even when no devices currently
    present to allow hot-add later (Fabio Estevam)
  - Enable power management on i.MX6QP (Richard Zhu)
  - Assert CLKREQ# on i.MX8MM so enumeration doesn't hang when no device is
    connected (Richard Zhu)

Marvell Aardvark PCIe controller driver:
  - Fix MSI and MSI-X support (Marek Behún, Pali Rohár)
  - Add support for ERR and PME interrupts (Pali Rohár)

Marvell MVEBU PCIe controller driver:
  - Add DT binding and support for "num-lanes" (Pali Rohár)
  - Add support for INTx interrupts (Pali Rohár)

Microsoft Hyper-V host bridge driver:
  - Avoid unnecessary hypercalls when unmasking IRQs on ARM64 (Boqun Feng)

Qualcomm PCIe controller driver:
  - Add SM8450 DT binding and driver support (Dmitry Baryshkov)

Renesas R-Car PCIe controller driver:
  - Help the controller get to the L1 state since the hardware can't do it
    on its own (Marek Vasut)
  - Return PCI_ERROR_RESPONSE (~0) for reads that fail on PCIe (Marek Vasut)

SiFive FU740 PCIe controller driver:
  - Drop redundant '-gpios' from DT GPIO lookup (Ben Dooks)
  - Force 2.5GT/s for initial device probe (Ben Dooks)

Socionext UniPhier Pro5 controller driver:
  - Add NX1 DT binding and driver support (Kunihiko Hayashi)

Synopsys DesignWare PCIe controller driver:
  - Restore MSI configuration so MSI works after resume (Jisheng Zhang)

----------------------------------------------------------------
Ben Dooks (2):
      PCI: fu740: Drop redundant '-gpios' from DT GPIO lookup
      PCI: fu740: Force 2.5GT/s for initial device probe

Bjorn Helgaas (31):
      PCI/VGA: Move vgaarb to drivers/pci
      PCI/VGA: Factor out vga_select_framebuffer_device()
      PCI/VGA: Remove empty vga_arb_device_card_gone()
      PCI/VGA: Use unsigned format string to print lock counts
      PCI/VGA: Replace full MIT license text with SPDX identifier
      PCI: Avoid broken MSI on SB600 USB devices
      PCI: Remove unused assignments
      PCI: kirin: Remove unused assignments
      PCI: fu740: Remove unused assignments
      PCI: cpqphp: Remove unused assignments
      PCI: ibmphp: Remove unused assignments
      Merge branch 'pci/acpi'
      Merge branch 'pci/bridge-class-codes'
      Merge branch 'pci/enumeration'
      Merge branch 'pci/hotplug'
      Merge branch 'pci/misc'
      Merge branch 'pci/msi'
      Merge branch 'pci/p2pdma'
      Merge branch 'pci/vga'
      Merge branch 'remotes/lorenzo/pci/aardvark'
      Merge branch 'pci/host/dwc'
      Merge branch 'remotes/lorenzo/pci/endpoint'
      Merge branch 'pci/host/fu740'
      Merge branch 'remotes/lorenzo/pci/hv'
      Merge branch 'remotes/lorenzo/pci/imx6'
      Merge branch 'remotes/lorenzo/pci/misc'
      Merge branch 'remotes/lorenzo/pci/mvebu'
      Merge branch 'remotes/lorenzo/pci/qcom'
      Merge branch 'remotes/lorenzo/pci/rcar'
      Merge branch 'remotes/lorenzo/pci/uniphier'
      Merge branch 'remotes/lorenzo/pci/xgene'

Boqun Feng (1):
      PCI: hv: Avoid the retarget interrupt hypercall in irq_unmask() on ARM64

Christophe Leroy (1):
      sizes.h: Add SZ_1T macro

Dmitry Baryshkov (4):
      dt-bindings: pci: qcom: Document PCIe bindings for SM8450
      PCI: qcom: Remove redundancy between qcom_pcie and qcom_pcie_cfg
      PCI: qcom: Add ddrss_sf_tbu flag
      PCI: qcom: Add SM8450 PCIe support

Dongdong Liu (1):
      PCI: Support BAR sizes up to 8TB

Fabio Estevam (1):
      PCI: imx6: Allow to probe when dw_pcie_wait_for_link() fails

Hou Zhiqiang (1):
      PCI: endpoint: Fix alignment fault error in copy tests

Huacai Chen (6):
      PCI/VGA: Move vga_arb_integrated_gpu() earlier in file
      PCI/VGA: Factor out default VGA device selection
      PCI/VGA: Move firmware default device detection to ADD_DEVICE path
      PCI/VGA: Move non-legacy VGA detection to ADD_DEVICE path
      PCI/VGA: Move disabled VGA device detection to ADD_DEVICE path
      PCI/VGA: Log bridge control messages when adding devices

Jisheng Zhang (1):
      PCI: dwc: Restore MSI Receiver mask during resume

Krzysztof Wilczyński (1):
      PCI: Declare pci_filp_private only when HAVE_PCI_MMAP

Kunihiko Hayashi (3):
      dt-bindings: PCI: uniphier-ep: Add bindings for NX1 SoC
      PCI: uniphier-ep: Add SoC data structure
      PCI: uniphier-ep: Add NX1 support

Li Chen (1):
      PCI: endpoint: Fix misused goto label

Liguang Zhang (1):
      PCI: pciehp: Clear cmd_busy bit in polling mode

Manivannan Sadhasivam (1):
      PCI: pciehp: Add Qualcomm quirk for Command Completed erratum

Marc Zyngier (2):
      PCI: xgene: Revert "PCI: xgene: Use inbound resources for setup"
      PCI: xgene: Revert "PCI: xgene: Fix IB window setup"

Marek Behún (5):
      PCI: aardvark: Make MSI irq_chip structures static driver structures
      PCI: aardvark: Make msi_domain_info structure a static driver structure
      PCI: aardvark: Use dev_fwnode() instead of of_node_to_fwnode(dev->of_node)
      PCI: aardvark: Drop __maybe_unused from advk_pcie_disable_phy()
      PCI: aardvark: Update comment about link going down after link-up

Marek Vasut (2):
      PCI: rcar: Finish transition to L1 state in rcar_pcie_config_access()
      PCI: rcar: Use PCI_SET_ERROR_RESPONSE after read which triggered an exception

Mark Tomlinson (1):
      PCI: Reduce warnings on possible RW1C corruption

Michael J. Ruhl (1):
      PCI/P2PDMA: Add Intel 3rd Gen Intel Xeon Scalable Processors to whitelist

Pali Rohár (39):
      MAINTAINERS: Add Pali Rohár as pci-mvebu.c maintainer
      PCI: pci-bridge-emul: Make struct pci_bridge_emul_ops as const
      PCI: pci-bridge-emul: Rename PCI_BRIDGE_EMUL_NO_PREFETCHABLE_BAR to PCI_BRIDGE_EMUL_NO_PREFMEM_FORWARD
      PCI: pci-bridge-emul: Add support for new flag PCI_BRIDGE_EMUL_NO_IO_FORWARD
      PCI: mvebu: Add help string for CONFIG_PCI_MVEBU option
      PCI: mvebu: Remove duplicate nports assignment
      PCI: mvebu: Set PCI_BRIDGE_EMUL_NO_IO_FORWARD when IO is unsupported
      PCI: mvebu: Properly initialize vendor, device and revision of emulated bridge
      PCI: mvebu: Update comment for PCI_EXP_LNKCAP register on emulated bridge
      PCI: mvebu: Update comment for PCI_EXP_LNKCTL register on emulated bridge
      PCI: mvebu: Fix reporting Data Link Layer Link Active on emulated bridge
      PCI: aardvark: Replace custom PCIE_CORE_INT_* macros with PCI_INTERRUPT_*
      PCI: aardvark: Fix reading MSI interrupt number
      PCI: aardvark: Fix support for MSI interrupts
      PCI: aardvark: Rewrite IRQ code to chained IRQ handler
      PCI: aardvark: Check return value of generic_handle_domain_irq() when processing INTx IRQ
      PCI: aardvark: Refactor unmasking summary MSI interrupt
      PCI: aardvark: Add support for masking MSI interrupts
      PCI: aardvark: Fix setting MSI address
      PCI: aardvark: Enable MSI-X support
      PCI: aardvark: Add support for ERR interrupt on emulated bridge
      PCI: aardvark: Fix reading PCI_EXP_RTSTA_PME bit on emulated bridge
      PCI: aardvark: Optimize writing PCI_EXP_RTCTL_PMEIE and PCI_EXP_RTSTA_PME on emulated bridge
      PCI: aardvark: Add support for PME interrupts
      PCI: aardvark: Fix support for PME requester on emulated bridge
      PCI: aardvark: Use separate INTA interrupt for emulated root bridge
      PCI: aardvark: Remove irq_mask_ack() callback for INTx interrupts
      PCI: aardvark: Don't mask irq when mapping
      PCI: Add defines for normal and subtractive PCI bridges
      PCI: iproc: Set all 24 bits of PCI class code
      PCI: pci-bridge-emul: Add support for PCI Bridge Subsystem Vendor ID capability
      dt-bindings: PCI: mvebu: Add num-lanes property
      PCI: mvebu: Correctly configure x1/x4 mode
      PCI: mvebu: Add support for PCI Bridge Subsystem Vendor ID on emulated bridge
      PCI: mvebu: Add support for Advanced Error Reporting registers on emulated bridge
      PCI: mvebu: Use child_ops API
      dt-bindings: PCI: mvebu: Update information about intx interrupts
      PCI: mvebu: Fix macro names and comments about legacy interrupts
      PCI: mvebu: Implement support for legacy INTx interrupts

Rafael J. Wysocki (1):
      PCI/ACPI: Replace acpi_bus_get_device() with acpi_fetch_acpi_dev()

Randy Dunlap (1):
      x86/PCI: Add #includes to asm/pci_x86.h

Richard Zhu (3):
      PCI: imx6: Enable i.MX6QP PCIe power management support
      PCI: imx6: Invoke the PHY exit function after PHY power off
      PCI: imx6: Assert i.MX8MM CLKREQ# even if no device present

Russell King (2):
      PCI: pci-bridge-emul: Re-arrange register tests
      PCI: pci-bridge-emul: Add support for PCIe extended capabilities

Yicong Yang (1):
      PCI/AER: Update aer-inject URL

 .../devicetree/bindings/pci/mvebu-pci.txt          |  16 +
 .../devicetree/bindings/pci/qcom,pcie.txt          |  22 +-
 .../bindings/pci/socionext,uniphier-pcie-ep.yaml   |  22 +-
 Documentation/gpu/vgaarbiter.rst                   |   2 +-
 MAINTAINERS                                        |   1 +
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h  |   2 -
 arch/mips/pci/fixup-sb1250.c                       |   2 +-
 arch/mips/pci/pci-bcm63xx.c                        |   2 +-
 arch/powerpc/platforms/powernv/pci.c               |   2 +-
 arch/powerpc/sysdev/fsl_pci.c                      |   2 +-
 arch/sh/drivers/pci/pcie-sh7786.c                  |   2 +-
 arch/x86/include/asm/pci_x86.h                     |   3 +
 drivers/gpu/vga/Kconfig                            |  19 -
 drivers/gpu/vga/Makefile                           |   1 -
 drivers/pci/Kconfig                                |  19 +
 drivers/pci/Makefile                               |   1 +
 drivers/pci/access.c                               |   9 +-
 drivers/pci/controller/Kconfig                     |   4 +
 drivers/pci/controller/dwc/pci-imx6.c              |  19 +-
 drivers/pci/controller/dwc/pci-keystone.c          |   8 +-
 drivers/pci/controller/dwc/pci-meson.c             |  16 +-
 drivers/pci/controller/dwc/pcie-designware-host.c  |   7 +-
 drivers/pci/controller/dwc/pcie-fu740.c            |  57 ++-
 drivers/pci/controller/dwc/pcie-kirin.c            |   3 -
 drivers/pci/controller/dwc/pcie-qcom.c             |  95 +++--
 drivers/pci/controller/dwc/pcie-uniphier-ep.c      | 142 ++++++-
 .../pci/controller/mobiveil/pcie-mobiveil-host.c   |   2 +-
 drivers/pci/controller/pci-aardvark.c              | 394 +++++++++++++------
 drivers/pci/controller/pci-hyperv.c                | 233 ++++++------
 drivers/pci/controller/pci-loongson.c              |   2 +-
 drivers/pci/controller/pci-mvebu.c                 | 416 +++++++++++++++++----
 drivers/pci/controller/pci-tegra.c                 |   2 +-
 drivers/pci/controller/pci-xgene.c                 |  36 +-
 drivers/pci/controller/pcie-iproc-bcma.c           |   2 +-
 drivers/pci/controller/pcie-iproc.c                |  11 +-
 drivers/pci/controller/pcie-mediatek-gen3.c        |   2 +-
 drivers/pci/controller/pcie-rcar-host.c            | 132 +++++--
 drivers/pci/controller/pcie-rockchip-host.c        |   2 +-
 drivers/pci/controller/pcie-rockchip.h             |   1 -
 drivers/pci/endpoint/functions/pci-epf-test.c      |  14 +-
 drivers/pci/hotplug/acpiphp_glue.c                 |   7 +-
 drivers/pci/hotplug/acpiphp_ibm.c                  |   5 +-
 drivers/pci/hotplug/cpqphp_core.c                  |   2 +-
 drivers/pci/hotplug/cpqphp_ctrl.c                  |  22 +-
 drivers/pci/hotplug/cpqphp_pci.c                   |   2 +-
 drivers/pci/hotplug/ibmphp_hpc.c                   |   2 -
 drivers/pci/hotplug/ibmphp_res.c                   |   3 +-
 drivers/pci/hotplug/pciehp_hpc.c                   |   4 +
 drivers/pci/hotplug/shpchp_core.c                  |   2 +-
 drivers/pci/p2pdma.c                               |   1 +
 drivers/pci/pci-acpi.c                             |   6 +-
 drivers/pci/pci-bridge-emul.c                      | 190 +++++++---
 drivers/pci/pci-bridge-emul.h                      |  31 +-
 drivers/pci/pci-sysfs.c                            |   7 +-
 drivers/pci/pcie/Kconfig                           |   2 +-
 drivers/pci/pcie/aer_inject.c                      |   2 +-
 drivers/pci/pcie/portdrv_pci.c                     |   4 +-
 drivers/pci/proc.c                                 |   6 +-
 drivers/pci/quirks.c                               |  12 +
 drivers/pci/setup-bus.c                            |   4 +-
 drivers/{gpu/vga => pci}/vgaarb.c                  | 313 ++++++++--------
 include/linux/pci.h                                |   1 +
 include/linux/pci_ids.h                            |   2 +
 include/linux/sizes.h                              |   2 +
 64 files changed, 1593 insertions(+), 766 deletions(-)
 rename drivers/{gpu/vga => pci}/vgaarb.c (90%)



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