[GIT PULL] PCI changes for v4.11

From: Bjorn Helgaas
Date: Thu Feb 23 2017 - 13:17:00 EST

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PCI changes:

- add ASPM L1 substate support

- enable PCIe Extended Tags when supported

- configure PCIe MPS settings on iProc, Versatile, X-Gene, and Xilinx

- increase VPD access timeout

- add ACS quirks for Intel Union Point, Qualcomm QDF2400 and QDF2432

- use new pci_irq_alloc_vectors() in more drivers

- fix MSI affinity memory leak

- remove unused MSI interfaces and update documentation

- remove unused AER .link_reset() callback

- avoid pci_lock / p->pi_lock deadlock seen with perf

- serialize sysfs enable/disable num_vfs operations

- move DesignWare IP from drivers/pci/host/ to drivers/pci/dwc/ and
refactor so we can support both hosts and endpoints

- add DT ECAM-like support for HiSilicon Hip06/Hip07 controllers

- add Rockchip system power management support

- add Thunder-X cn81xx and cn83xx support

- add Exynos 5440 PCIe PHY support

The following changes since commit a782b5f986c3fa1cfa7f2b57941200c6a5809242:

PCI: designware: Check for iATU unroll only on platforms that use ATU (2017-01-10 08:43:24 -0600)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git c4d052ce970e

for you to fetch changes up to c4d052ce970ea98e9e1cc72461ba3b7a25397657:

Merge branch 'pci/virtualization' into next (2017-02-21 15:16:28 -0600)

----------------------------------------------------------------
Alex Williamson (1):
PCI: Add ACS quirk for Intel Union Point

Andrey Smirnov (1):
PCI: imx6: Fix a typo in error message

Andy Shevchenko (1):
PCI: Sort the list of devices with D3 delay quirk by ID

Arnd Bergmann (1):
PCI: rockchip: Mark PM functions as __maybe_unused

Bharat Kumar Gogada (1):
PCI: xilinx-nwl: Remove mask for messages not supported by AXI

Bhumika Goyal (1):
PCI: acpiphp_ibm: Make ibm_apci_table_attr __ro_after_init

Bjorn Helgaas (38):
PCI: Remove res_to_dev_res() debug message
PCI: Apply _HPX settings only to relevant devices
PCI: Avoid possible deadlock on pci_lock and p->pi_lock
PCI: rcar: Use of_device_get_match_data() to simplify probe
PCI: layerscape: Use of_device_get_match_data() to simplify probe
PCI: iproc: Use of_device_get_match_data() to simplify probe
PCI: xilinx: Configure PCIe MPS settings
PCI: versatile: Configure PCIe MPS settings
PCI: hisi: Rename config space accessors to remove "acpi"
PCI: xgene: Configure PCIe MPS settings
Merge branch 'pci/aer' into next
Merge branch 'pci/aspm' into next
Merge branch 'pci/dpc' into next
Merge branch 'pci/enumeration' into next
Merge branch 'pci/hotplug' into next
Merge branch 'pci/msi' into next
Merge branch 'pci/resource' into next
Merge branch 'pci/virtualization' into next
Merge branch 'pci/vpd' into next
Merge branch 'for-linus' into pci/host-designware
Merge branch 'pci/host-designware' into next
Merge branch 'pci/host-altera' into next
Merge branch 'pci/host-exynos' into next
Merge branch 'pci/host-hisi' into next
Merge branch 'pci/host-hv' into next
Merge branch 'pci/host-imx6' into next
Merge branch 'pci/host-iproc' into next
Merge branch 'pci/host-layerscape' into next
Merge branch 'pci/host-mvebu' into next
Merge branch 'pci/host-rcar' into next
Merge branch 'pci/host-rockchip' into next
Merge branch 'pci/host-thunder' into next
Merge branch 'pci/host-versatile' into next
Merge branch 'pci/host-xgene' into next
Merge branch 'pci/host-xilinx' into next
Merge branch 'pci/enumeration' into next
Merge branch 'pci/msi' into next
Merge branch 'pci/virtualization' into next

Christoph Hellwig (8):
[media] cobalt: use pci_irq_allocate_vectors()
PCI/MSI: Remove pci_enable_msi_{exact,range}()
PCI/MSI: Remove unused pci_msi_create_default_irq_domain()
PCI/MSI: Remove pci_msi_domain_{alloc,free}_irqs()
PCI/MSI: Check that we have a legacy interrupt line before using it
PCI/portdrv: Use pci_irq_alloc_vectors()
PCI/MSI: Document pci_alloc_irq_vectors(), deprecate pci_enable_msi()
PCI/MSI: Update MSI/MSI-X bits in PCIEBUS-HOWTO

Christophe JAILLET (1):
PCI/MSI: Return failure when msix_setup_entries() fails

Dan Carpenter (1):
PCI: xgene: Fix double free on init error

David Daney (1):
PCI: thunder-pem: Add support for cn81xx and cn83xx SoCs

Dennis Chen (1):
PCI/MSI: Return -ENOSPC if pci_enable_msi_range() can't get enough vectors

Dexuan Cui (1):
PCI: hv: Fix wslot_to_devfn() to fix warnings on device removal

Dongdong Liu (3):
PCI: hisi: Add DT almost-ECAM support for Hip06/Hip07 host controllers
PCI: Disable MSI for HiSilicon Hip06/Hip07 Root Ports
PCI: generic: Call pci_fixup_irqs() only on ARM

Emil Tantilov (1):
PCI: Lock each enable/disable num_vfs operation in sysfs

Fabio Estevam (1):
PCI: imx6: Remove redundant "Link never came up" message

Fengguang Wu (1):
PCI: dwc: Use PTR_ERR_OR_ZERO to simplify code

Gabriel Krisman Bertazi (1):
PCI: Remove duplicate check for positive return value from probe() functions

Haiyang Zhang (1):
PCI: hv: Use device serial number as PCI domain

Harunobu Kurokawa (2):
PCI: rcar: Return -ENODEV from host bridge probe when no card present
PCI: rcar: Add compatible string for r8a7796

Jaehoon Chung (9):
PCI: exynos: Rename all pointer names from "exynos_pcie" to "ep"
PCI: exynos: Replace the *_blk/*_phy/*_elb accessors
PCI: exynos: Remove unnecessary local variables
PCI: exynos: Use the bitops BIT() macro to build bitmasks
PCI: exynos: Remove duplicated code
Documentation: samsung-phy: Add exynos-pcie-phy binding
phy: phy-exynos-pcie: Add support for Exynos PCIe PHY
Documentation: binding: Modify the exynos5440 PCIe binding
PCI: exynos: Support the PHY generic framework

Jason Gunthorpe (1):
PCI: mvebu: Handle changes to the bridge windows while enabled

Jon Mason (2):
PCI: iproc: Configure PCIe MPS settings
PCI: Add Broadcom Northstar2 PAXC quirk for device class and MPSS

Keith Busch (2):
PCI/DPC: Decode extended reasons
PCI/DPC: Wait for Root Port busy to clear

Kishon Vijay Abraham I (15):
PCI: Move DesignWare IP support to new drivers/pci/dwc/ directory
PCI: dra7xx: Simplify probe code with devm_gpiod_get_optional()
PCI: dra7xx: Add support to force RC to work in GEN1 mode
PCI: dra7xx: Enable MSI and legacy interrupts simultaneously
PCI: dra7xx: Group PHY API invocations
PCI: dwc: designware: Move register defines to designware header file
PCI: dwc: all: Use platform_set_drvdata() to save private data
PCI: dwc: all: Rename cfg_read/cfg_write to read/write
PCI: dwc: designware: Get device pointer at the start of dw_pcie_host_init()
PCI: dwc: all: Split struct pcie_port into host-only and core structures
PCI: dwc: designware: Parse "num-lanes" property in dw_pcie_setup_rc()
PCI: dwc: designware: Fix style errors in pcie-designware.c
PCI: dwc: Split pcie-designware.c into host and core files
PCI: dwc: Add CONFIG_PCIE_DW_HOST to enable PCI dwc host
PCI: dwc: Remove dependency of designware on CONFIG_PCI

Lucas Stach (2):
PCI: imx6: Remove LTSSM disable workaround
PCI: mvebu: Change delay after reset to the PCIe spec mandated 100ms

Matthew R. Ochs (1):
PCI: Increase VPD access timeout to 125ms

Michael S. Tsirkin (1):
PCI/AER: Remove unused .link_reset() callback

Niyas Ahmed S T (1):
PCI: exynos: Refactor to make it easier to support other SoCs

Prarit Bhargava (1):
PCI/MSI: Fix msi_desc->affinity memory leak when freeing MSI IRQs

Rahul Krishnan (1):
PCI: rpadlpar: Remove unnecessary return statement

Rajat Jain (6):
PCI/ASPM: Add L1 substate capability structure register definitions
PCI/ASPM: Add support for L1 substates
PCI/ASPM: Read and set up L1 substate capabilities
PCI/ASPM: Calculate and save the L1.2 timing parameters
PCI/ASPM: Configure L1 substate settings
PCI/ASPM: Add comment about L1 substate latency

Randy Dunlap (1):
PCI/MSI: Fix msi_capability_init() kernel-doc warnings

Shailendra Verma (1):
PCI: hisi: Use of_device_get_match_data() to simplify probe

Shawn Lin (5):
PCI: rockchip: Add system PM support
PCI: rockchip: Disable RC's ASPM L0s based on DT "aspm-no-l0s"
PCI: rockchip: Use readl_poll_timeout() instead of open-coding it
PCI: rockchip: Fix rockchip_pcie_probe() error path to free resource list
PCI: rockchip: Set vendor ID from local core config space

Sinan Kaya (2):
PCI: Enable PCIe Extended Tags if supported
PCI: Add ACS quirk for Qualcomm QDF2400 and QDF2432

Tom Lendacky (1):
amd-xgbe: Update PCI support to use new IRQ functions

Yadi Hu (1):
PCI: altera: Extract TLP completion status correctly

Zhou Wang (1):
PCI/ACPI: Fix bus range comparison in pci_mcfg_lookup()

Documentation/PCI/MSI-HOWTO.txt | 6 +-
Documentation/PCI/PCIEBUS-HOWTO.txt | 33 +-
Documentation/PCI/pci-error-recovery.txt | 24 +-
Documentation/PCI/pci.txt | 24 +-
.../devicetree/bindings/pci/hisilicon-pcie.txt | 37 +
.../devicetree/bindings/pci/mvebu-pci.txt | 3 +-
Documentation/devicetree/bindings/pci/rcar-pci.txt | 1 +
.../devicetree/bindings/pci/rockchip-pcie.txt | 2 +
.../bindings/pci/samsung,exynos5440-pcie.txt | 29 +
.../devicetree/bindings/phy/samsung-phy.txt | 17 +
MAINTAINERS | 22 +-
arch/x86/kernel/apic/msi.c | 2 +-
drivers/Makefile | 3 +
drivers/acpi/pci_mcfg.c | 5 +-
drivers/infiniband/hw/hfi1/pcie.c | 10 -
drivers/infiniband/hw/qib/qib_pcie.c | 8 -
drivers/media/pci/cobalt/cobalt-driver.c | 8 +-
drivers/media/pci/cobalt/cobalt-driver.h | 2 -
drivers/media/pci/ngene/ngene-cards.c | 7 -
drivers/misc/genwqe/card_base.c | 1 -
drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 128 ++--
drivers/net/ethernet/amd/xgbe/xgbe.h | 8 +-
drivers/pci/Kconfig | 1 +
drivers/pci/access.c | 5 +-
drivers/pci/dwc/Kconfig | 132 ++++
drivers/pci/dwc/Makefile | 24 +
drivers/pci/{host => dwc}/pci-dra7xx.c | 247 ++++---
drivers/pci/dwc/pci-exynos.c | 751 +++++++++++++++++++++
drivers/pci/{host => dwc}/pci-imx6.c | 162 ++---
drivers/pci/{host => dwc}/pci-keystone-dw.c | 87 ++-
drivers/pci/{host => dwc}/pci-keystone.c | 56 +-
drivers/pci/{host => dwc}/pci-keystone.h | 4 +-
drivers/pci/{host => dwc}/pci-layerscape.c | 100 +--
drivers/pci/{host => dwc}/pcie-armada8k.c | 87 +--
drivers/pci/{host => dwc}/pcie-artpec6.c | 50 +-
.../pcie-designware-host.c} | 441 +++---------
drivers/pci/{host => dwc}/pcie-designware-plat.c | 29 +-
drivers/pci/dwc/pcie-designware.c | 233 +++++++
drivers/pci/dwc/pcie-designware.h | 198 ++++++
drivers/pci/{host => dwc}/pcie-hisi.c | 139 +++-
drivers/pci/{host => dwc}/pcie-qcom.c | 87 ++-
drivers/pci/{host => dwc}/pcie-spear13xx.c | 85 ++-
drivers/pci/host/Kconfig | 113 ----
drivers/pci/host/Makefile | 12 -
drivers/pci/host/pci-exynos.c | 629 -----------------
drivers/pci/host/pci-host-common.c | 2 +
drivers/pci/host/pci-hyperv.c | 20 +-
drivers/pci/host/pci-mvebu.c | 103 +--
drivers/pci/host/pci-thunder-pem.c | 25 +-
drivers/pci/host/pci-versatile.c | 4 +-
drivers/pci/host/pci-xgene.c | 11 +-
drivers/pci/host/pcie-altera.c | 2 +-
drivers/pci/host/pcie-designware.h | 86 ---
drivers/pci/host/pcie-iproc-platform.c | 7 +-
drivers/pci/host/pcie-iproc.c | 5 +-
drivers/pci/host/pcie-rcar.c | 9 +-
drivers/pci/host/pcie-rockchip.c | 175 +++--
drivers/pci/host/pcie-xilinx-nwl.c | 14 +-
drivers/pci/host/pcie-xilinx.c | 4 +-
drivers/pci/hotplug/acpiphp_ibm.c | 2 +-
drivers/pci/hotplug/rpadlpar_core.c | 4 +-
drivers/pci/iov.c | 7 -
drivers/pci/msi.c | 122 +---
drivers/pci/pci-driver.c | 2 -
drivers/pci/pci-sysfs.c | 23 +-
drivers/pci/pci.h | 2 +-
drivers/pci/pcie/Kconfig | 8 +
drivers/pci/pcie/aspm.c | 291 +++++++-
drivers/pci/pcie/pcie-dpc.c | 34 +-
drivers/pci/pcie/portdrv_core.c | 161 ++---
drivers/pci/probe.c | 33 +-
drivers/pci/quirks.c | 99 ++-
drivers/pci/setup-bus.c | 11 +-
drivers/phy/Kconfig | 8 +
drivers/phy/Makefile | 1 +
drivers/phy/phy-exynos-pcie.c | 285 ++++++++
include/linux/msi.h | 6 -
include/linux/pci.h | 19 +-
include/linux/pci_ids.h | 2 +
include/uapi/linux/pci_regs.h | 17 +
80 files changed, 3357 insertions(+), 2299 deletions(-)
create mode 100644 drivers/pci/dwc/Kconfig
create mode 100644 drivers/pci/dwc/Makefile
rename drivers/pci/{host => dwc}/pci-dra7xx.c (74%)
create mode 100644 drivers/pci/dwc/pci-exynos.c
rename drivers/pci/{host => dwc}/pci-imx6.c (82%)
rename drivers/pci/{host => dwc}/pci-keystone-dw.c (86%)
rename drivers/pci/{host => dwc}/pci-keystone.c (90%)
rename drivers/pci/{host => dwc}/pci-keystone.h (95%)
rename drivers/pci/{host => dwc}/pci-layerscape.c (72%)
rename drivers/pci/{host => dwc}/pcie-armada8k.c (73%)
rename drivers/pci/{host => dwc}/pcie-artpec6.c (86%)
rename drivers/pci/{host/pcie-designware.c => dwc/pcie-designware-host.c} (54%)
rename drivers/pci/{host => dwc}/pcie-designware-plat.c (82%)
create mode 100644 drivers/pci/dwc/pcie-designware.c
create mode 100644 drivers/pci/dwc/pcie-designware.h
rename drivers/pci/{host => dwc}/pcie-hisi.c (67%)
rename drivers/pci/{host => dwc}/pcie-qcom.c (91%)
rename drivers/pci/{host => dwc}/pcie-spear13xx.c (77%)
delete mode 100644 drivers/pci/host/pci-exynos.c
delete mode 100644 drivers/pci/host/pcie-designware.h
create mode 100644 drivers/phy/phy-exynos-pcie.c

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