[GIT PULL] PCI changes for v5.4

From: Bjorn Helgaas
Date: Mon Sep 23 2019 - 18:58:29 EST

The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:

Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git tags/pci-v5.4-changes

for you to fetch changes up to c5048a73b4770304699cb15e3ffcb97acab685f7:

Merge branch 'pci/trivial' (2019-09-23 16:10:31 -0500)

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

You should see minor conflicts in drivers/pci/Kconfig and
drivers/pci/controller/pci-hyperv.c related to some changes merged via
the net tree.


Enumeration:

- Consolidate _HPP/_HPX stuff in pci-acpi.c and simplify it (Krzysztof
Wilczynski)

- Fix incorrect PCIe device types and remove dev->has_secondary_link to
simplify code that deals with upstream/downstream ports (Mika
Westerberg)

- After suspend, restore Resizable BAR size bits correctly for 1MB BARs
(Sumit Saxena)

- Enable PCI_MSI_IRQ_DOMAIN support for RISC-V (Wesley Terpstra)

Virtualization:

- Add ACS quirks for iProc PAXB (Abhinav Ratna), Amazon Annapurna Labs
(Ali Saidi)

- Move sysfs SR-IOV functions to iov.c (Kelsey Skunberg)

- Remove group write permissions from sysfs sriov_numvfs,
sriov_drivers_autoprobe (Kelsey Skunberg)

Hotplug:

- Simplify pciehp indicator control (Denis Efremov)

Peer-to-peer DMA:

- Allow P2P DMA between root ports for whitelisted bridges (Logan
Gunthorpe)

- Whitelist some Intel host bridges for P2P DMA (Logan Gunthorpe)

- DMA map P2P DMA requests that traverse host bridge (Logan Gunthorpe)

Amazon Annapurna Labs host bridge driver:

- Add DT binding and controller driver (Jonathan Chocron)

Hyper-V host bridge driver:

- Fix hv_pci_dev->pci_slot use-after-free (Dexuan Cui)

- Fix PCI domain number collisions (Haiyang Zhang)

- Use instance ID bytes 4 & 5 as PCI domain numbers (Haiyang Zhang)

- Fix build errors on non-SYSFS config (Randy Dunlap)

i.MX6 host bridge driver:

- Limit DBI register length (Stefan Agner)

Intel VMD host bridge driver:

- Fix config addressing issues (Jon Derrick)

Layerscape host bridge driver:

- Add bar_fixed_64bit property to endpoint driver (Xiaowei Bao)

- Add CONFIG_PCI_LAYERSCAPE_EP to build EP/RC drivers separately (Xiaowei
Bao)

Mediatek host bridge driver:

- Add MT7629 controller support (Jianjun Wang)

Mobiveil host bridge driver:

- Fix CPU base address setup (Hou Zhiqiang)

- Make "num-lanes" property optional (Hou Zhiqiang)

Tegra host bridge driver:

- Fix OF node reference leak (Nishka Dasgupta)

- Disable MSI for root ports to work around design problem (Vidya Sagar)

- Add Tegra194 DT binding and controller support (Vidya Sagar)

- Add support for sideband pins and slot regulators (Vidya Sagar)

- Add PIPE2UPHY support (Vidya Sagar)

Misc:

- Remove unused pci_block_cfg_access() et al (Kelsey Skunberg)

- Unexport pci_bus_get(), etc (Kelsey Skunberg)

- Hide PM, VC, link speed, ATS, ECRC, PTM constants and interfaces in the
PCI core (Kelsey Skunberg)

- Clean up sysfs DEVICE_ATTR() usage (Kelsey Skunberg)

- Mark expected switch fall-through (Gustavo A. R. Silva)

- Propagate errors for optional regulators and PHYs (Thierry Reding)

- Fix kernel command line resource_alignment parameter issues (Logan
Gunthorpe)


----------------------------------------------------------------
Abhinav Ratna (1):
PCI: Add ACS quirk for iProc PAXB

Alexey Kardashevskiy (1):
PCI: Correct pci=resource_alignment parameter example

Ali Saidi (1):
PCI: Add ACS quirk for Amazon Annapurna Labs root ports

Bjorn Helgaas (21):
PCI: Fix typos and whitespace errors
PCI: pciehp: Refer to "Indicators" instead of "LEDs" in comments
Merge branch 'pci/aspm'
Merge branch 'pci/encapsulate'
Merge branch 'pci/enumeration'
Merge branch 'pci/misc'
Merge branch 'pci/msi'
Merge branch 'pci/p2pdma'
Merge branch 'pci/pciehp'
Merge branch 'pci/resource'
Merge branch 'remotes/lorenzo/pci/al'
Merge branch 'remotes/lorenzo/pci/dwc'
Merge branch 'remotes/lorenzo/pci/hv'
Merge branch 'remotes/lorenzo/pci/imx'
Merge branch 'remotes/lorenzo/pci/layerscape'
Merge branch 'remotes/lorenzo/pci/mediatek'
Merge branch 'remotes/lorenzo/pci/misc'
Merge branch 'remotes/lorenzo/pci/mobiveil'
Merge branch 'lorenzo/pci/tegra'
Merge branch 'remotes/lorenzo/pci/vmd'
Merge branch 'pci/trivial'

Denis Efremov (6):
PCI: Convert pci_resource_to_user() to a weak function
PCI: Use PCI_SRIOV_NUM_BARS in loops instead of PCI_IOV_RESOURCE_END
PCI: pciehp: Add pciehp_set_indicators() to set both indicators
PCI: pciehp: Combine adjacent indicator updates
PCI: pciehp: Remove pciehp_set_attention_status()
PCI: pciehp: Remove pciehp_green_led_{on,off,blink}()

Dexuan Cui (1):
PCI: hv: Avoid use of hv_pci_dev->pci_slot after freeing it

Fuqian Huang (1):
PCI: Use devm_add_action_or_reset()

Gustavo A. R. Silva (1):
PCI: Mark expected switch fall-through

Haiyang Zhang (2):
PCI: hv: Detect and fix Hyper-V PCI domain number collision
PCI: hv: Use bytes 4 and 5 from instance ID as the PCI domain numbers

Herbert Xu (1):
PCI: Add pci_irq_vector() and other stubs when !CONFIG_PCI

Hou Zhiqiang (5):
PCI: mobiveil: Fix the CPU base address setup in inbound window
dt-bindings: PCI: designware: Remove the num-lanes from Required properties
PCI: dwc: Return directly when num-lanes is not found
ARM: dts: ls1021a: Remove num-lanes property from PCIe nodes
arm64: dts: fsl: Remove num-lanes property from PCIe nodes

Jianjun Wang (2):
dt-bindings: PCI: Add support for MT7629
PCI: mediatek: Add controller support for MT7629

Jon Derrick (2):
PCI: vmd: Fix config addressing when using bus offsets
PCI: vmd: Fix shadow offsets to reflect spec changes

Jonathan Chocron (6):
PCI: Add Amazon's Annapurna Labs vendor ID
PCI/VPD: Prevent VPD access for Amazon's Annapurna Labs Root Port
PCI: Add quirk to disable MSI-X support for Amazon's Annapurna Labs Root Port
dt-bindings: PCI: Add Amazon's Annapurna Labs PCIe host bridge binding
PCI: dwc: al: Add Amazon Annapurna Labs PCIe controller driver
PCI: dwc: Add validation that PCIe core is set to correct mode

Kelsey Skunberg (19):
PCI: Remove pci_block_cfg_access() et al (unused)
PCI: Unexport pci_bus_get() and pci_bus_put()
PCI: Unexport pci_bus_sem
PCI: Make PCI_PM_* delay times private
PCI: Make pci_check_pme_status(), pci_pme_wakeup_bus() private
PCI: Make pci_get_host_bridge_device(), pci_put_host_bridge_device() private
PCI: Make pci_save_vc_state(), pci_restore_vc_state(), etc private
PCI: Make pci_hotplug_io_size, mem_size, and bus_size private
PCI: Make pci_bus_get(), pci_bus_put() private
PCI: Make pcie_update_link_speed() private
PCI: Make pci_ats_init() private
PCI: Make pcie_set_ecrc_checking(), pcie_ecrc_get_policy() private
PCI: Make pci_enable_ptm() private
PCI: Make pci_set_of_node(), etc private
PCI: sysfs: Define device attributes with DEVICE_ATTR*()
PCI: sysfs: Change DEVICE_ATTR() to DEVICE_ATTR_WO()
PCI: sysfs: Change permissions from symbolic to octal
PCI/IOV: Move sysfs SR-IOV functions to iov.c
PCI/IOV: Remove group write permission from sriov_numvfs, sriov_drivers_autoprobe

Krzysztof Wilczynski (7):
PCI: Move ASPM declarations to linux/pci.h
PCI/ACPI: Rename _HPX structs from hpp_* to hpx_*
PCI/ACPI: Move _HPP & _HPX functions to pci-acpi.c
PCI/ACPI: Remove unnecessary struct hotplug_program_ops
PCI: Remove unnecessary returns
PCI: Add pci_info_ratelimited() to ratelimit PCI separately
PCI: Use static const struct, not const static struct

Logan Gunthorpe (17):
PCI/P2PDMA: Introduce private pagemap structure
PCI/P2PDMA: Add provider's pci_dev to pci_p2pdma_pagemap struct
PCI/P2PDMA: Add constants for map type results to upstream_bridge_distance()
PCI/P2PDMA: Factor out __upstream_bridge_distance()
PCI/P2PDMA: Apply host bridge whitelist for ACS
PCI/P2PDMA: Factor out host_bridge_whitelist()
PCI/P2PDMA: Whitelist some Intel host bridges
PCI/P2PDMA: Add attrs argument to pci_p2pdma_map_sg()
PCI/P2PDMA: Introduce pci_p2pdma_unmap_sg()
PCI/P2PDMA: Factor out __pci_p2pdma_map_sg()
PCI/P2PDMA: Store mapping method in an xarray
PCI/P2PDMA: dma_map() requests that traverse the host bridge
PCI/P2PDMA: Allow IOMMU for host bridge whitelist
PCI/P2PDMA: Update pci_p2pdma_distance_many() documentation
PCI: Clean up resource_alignment parameter to not require static buffer
PCI: Move pci_[get|set]_resource_alignment_param() into their callers
PCI: Force trailing new line to resource_alignment_param in sysfs

Lorenzo Pieralisi (1):
MAINTAINERS: Add PCI native host/endpoint controllers designated reviewer

Lubomir Rintel (1):
PCI: OF: Correct of_irq_parse_pci() documentation

Mika Westerberg (2):
PCI: Make pcie_downstream_port() available outside of access.c
PCI: Get rid of dev->has_secondary_link flag

Nishka Dasgupta (2):
PCI: tegra: Fix OF node reference leak
PCI: kirin: Make structure kirin_dw_pcie_ops constant

Randy Dunlap (1):
PCI: pci-hyperv: Fix build errors on non-SYSFS config

Stefan Agner (1):
PCI: imx6: Limit DBI register length

Sumit Saxena (1):
PCI: Restore Resizable BAR size bits correctly for 1MB BARs

Thierry Reding (6):
PCI: rockchip: Propagate errors for optional regulators
PCI: exynos: Propagate errors for optional PHYs
PCI: imx6: Propagate errors for optional regulators
PCI: armada8x: Propagate errors for optional PHYs
PCI: histb: Propagate errors for optional regulators
PCI: iproc: Propagate errors for optional PHYs

Vidya Sagar (19):
PCI: Add #defines for some of PCIe spec r4.0 features
PCI: Disable MSI for Tegra root ports
PCI: dwc: Group DBI registers writes requiring unlocking
PCI: dwc: Move config space capability search API
PCI: dwc: Add extended configuration space capability search API
PCI: dwc: Export dw_pcie_wait_for_link() API
dt-bindings: PCI: designware: Add binding for CDM register check
PCI: dwc: Add support to enable CDM register check
dt-bindings: Add PCIe supports-clkreq property
dt-bindings: PCI: tegra: Add device tree support for Tegra194
dt-bindings: PHY: P2U: Add Tegra194 P2U block
phy: tegra: Add PCIe PIPE2UPHY support
PCI: tegra: Add Tegra194 PCIe support
dt-bindings: PCI: tegra: Add sideband pins configuration entries
dt-bindings: PCI: tegra: Add PCIe slot supplies regulator entries
PCI: tegra: Add support to configure sideband pins
PCI: tegra: Add support to enable slot regulators
arm64: tegra: Add configuration for PCIe C5 sideband signals
arm64: tegra: Add PCIe slot supply information in p2972-0000 platform

Wesley Terpstra (1):
PCI/MSI: Enable PCI_MSI_IRQ_DOMAIN support for RISC-V

Xiaowei Bao (2):
PCI: layerscape: Add the bar_fixed_64bit property to the endpoint driver
PCI: layerscape: Add CONFIG_PCI_LAYERSCAPE_EP to build EP/RC separately

Documentation/admin-guide/kernel-parameters.txt | 5 +-
.../devicetree/bindings/pci/designware-pcie.txt | 6 +-
.../devicetree/bindings/pci/fsl,imx6q-pcie.txt | 2 +-
.../devicetree/bindings/pci/mediatek-pcie.txt | 1 +
.../bindings/pci/nvidia,tegra194-pcie.txt | 171 ++
.../devicetree/bindings/pci/pci-armada8k.txt | 2 +-
Documentation/devicetree/bindings/pci/pci.txt | 5 +
Documentation/devicetree/bindings/pci/pcie-al.txt | 46 +
.../devicetree/bindings/phy/phy-tegra194-p2u.txt | 28 +
MAINTAINERS | 4 +-
arch/arm/boot/dts/ls1021a.dtsi | 2 -
arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 1 -
arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 3 -
arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 6 -
arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 3 -
arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 4 -
arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 24 +
arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 4 +-
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 38 +-
arch/microblaze/include/asm/pci.h | 2 -
arch/mips/include/asm/pci.h | 1 -
arch/powerpc/include/asm/pci.h | 2 -
arch/sparc/include/asm/pci.h | 2 -
drivers/acpi/pci_root.c | 1 -
drivers/char/xillybus/xillybus_pcie.c | 1 -
drivers/infiniband/core/rw.c | 6 +-
drivers/net/ethernet/intel/e1000e/e1000.h | 1 -
drivers/net/ethernet/jme.c | 1 -
drivers/net/ethernet/realtek/r8169_main.c | 1 -
drivers/net/wireless/ath/ath5k/pci.c | 1 -
drivers/net/wireless/intel/iwlegacy/3945-mac.c | 1 -
drivers/net/wireless/intel/iwlegacy/4965-mac.c | 1 -
drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 1 -
drivers/nvme/host/pci.c | 10 +-
drivers/pci/Kconfig | 6 +-
drivers/pci/access.c | 9 -
drivers/pci/bus.c | 2 -
drivers/pci/controller/dwc/Kconfig | 42 +-
drivers/pci/controller/dwc/Makefile | 4 +-
drivers/pci/controller/dwc/pci-exynos.c | 2 +-
drivers/pci/controller/dwc/pci-imx6.c | 37 +-
drivers/pci/controller/dwc/pci-layerscape-ep.c | 1 +
drivers/pci/controller/dwc/pcie-al.c | 365 +++++
drivers/pci/controller/dwc/pcie-armada8k.c | 7 +-
drivers/pci/controller/dwc/pcie-designware-ep.c | 45 +-
drivers/pci/controller/dwc/pcie-designware-host.c | 30 +-
drivers/pci/controller/dwc/pcie-designware.c | 96 +-
drivers/pci/controller/dwc/pcie-designware.h | 12 +
drivers/pci/controller/dwc/pcie-histb.c | 4 +-
drivers/pci/controller/dwc/pcie-kirin.c | 2 +-
drivers/pci/controller/dwc/pcie-tegra194.c | 1732 ++++++++++++++++++++
drivers/pci/controller/pci-host-common.c | 3 +-
drivers/pci/controller/pci-hyperv.c | 94 +-
drivers/pci/controller/pci-tegra.c | 22 +-
drivers/pci/controller/pcie-iproc-platform.c | 9 +-
drivers/pci/controller/pcie-mediatek.c | 20 +-
drivers/pci/controller/pcie-mobiveil.c | 10 +-
drivers/pci/controller/pcie-rockchip-host.c | 16 +-
drivers/pci/controller/vmd.c | 25 +-
drivers/pci/hotplug/cpci_hotplug_core.c | 1 -
drivers/pci/hotplug/cpqphp_core.c | 1 -
drivers/pci/hotplug/cpqphp_ctrl.c | 4 -
drivers/pci/hotplug/cpqphp_nvram.h | 5 +-
drivers/pci/hotplug/ibmphp_res.c | 1 +
drivers/pci/hotplug/pciehp.h | 11 +-
drivers/pci/hotplug/pciehp_core.c | 9 +-
drivers/pci/hotplug/pciehp_ctrl.c | 39 +-
drivers/pci/hotplug/pciehp_hpc.c | 87 +-
drivers/pci/hotplug/rpadlpar_core.c | 1 -
drivers/pci/hotplug/rpaphp_core.c | 1 -
drivers/pci/iov.c | 171 +-
drivers/pci/of.c | 2 +-
drivers/pci/p2pdma.c | 374 +++--
drivers/pci/pci-acpi.c | 410 ++++-
drivers/pci/pci-bridge-emul.c | 4 +-
drivers/pci/pci-sysfs.c | 223 +--
drivers/pci/pci.c | 87 +-
drivers/pci/pci.h | 68 +-
drivers/pci/pcie/aspm.c | 9 +-
drivers/pci/pcie/err.c | 2 +-
drivers/pci/probe.c | 326 +---
drivers/pci/quirks.c | 106 +-
drivers/pci/search.c | 1 -
drivers/pci/setup-bus.c | 4 +-
drivers/pci/vc.c | 5 +-
drivers/pci/vpd.c | 6 +
drivers/phy/tegra/Kconfig | 7 +
drivers/phy/tegra/Makefile | 1 +
drivers/phy/tegra/phy-tegra194-p2u.c | 120 ++
drivers/scsi/aacraid/linit.c | 1 -
drivers/scsi/hpsa.c | 1 -
drivers/scsi/mpt3sas/mpt3sas_scsih.c | 1 -
include/linux/memremap.h | 1 -
include/linux/pci-aspm.h | 36 -
include/linux/pci-p2pdma.h | 28 +-
include/linux/pci.h | 133 +-
include/linux/pci_hotplug.h | 100 --
include/linux/pci_ids.h | 3 +
include/uapi/linux/pci_regs.h | 15 +-
99 files changed, 4201 insertions(+), 1186 deletions(-)
create mode 100644 Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt
create mode 100644 Documentation/devicetree/bindings/pci/pcie-al.txt
create mode 100644 Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt
create mode 100644 drivers/pci/controller/dwc/pcie-tegra194.c
create mode 100644 drivers/phy/tegra/phy-tegra194-p2u.c
delete mode 100644 include/linux/pci-aspm.h