PCI changes for v4.2

Hi Linus,

Here are the PCI changes for v4.2.

Bjorn

The following changes since commit 5ebe6afaf0057ac3eaeb98defd5456894b446d22:

Linux 4.1-rc2 (2015-05-03 19:22:23 -0700)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git tags/pci-v4.2-changes

for you to fetch changes up to 207b074f82c6790f008bfe055c37b47047eb2122:

Merge branches 'pci/host-xgene' and 'pci/hotplug' into next (2015-06-18 17:56:45 -0500)

----------------------------------------------------------------
PCI changes for the v4.2 merge window:

Enumeration
- Move pci_ari_enabled() to global header (Alex Williamson)
- Account for ARI in _PRT lookups (Alex Williamson)
- Remove unused pci_scan_bus_parented() (Yijing Wang)

Resource management
- Use host bridge _CRS info on systems with >32 bit addressing (Bjorn Helgaas)
- Use host bridge _CRS info on Foxconn K8M890-8237A (Bjorn Helgaas)
- Fix pci_address_to_pio() conversion of CPU address to I/O port (Zhichang Yuan)
- Add pci_bus_addr_t (Yinghai Lu)

PCI device hotplug
- Wait for pciehp command completion where necessary (Alex Williamson)
- Drop pointless ACPI-based "slot detection" check (Rafael J. Wysocki)
- Check ignore_hotplug for all downstream devices (Rafael J. Wysocki)
- Propagate the "ignore hotplug" setting to parent (Rafael J. Wysocki)
- Inline pciehp "handle event" functions into the ISR (Bjorn Helgaas)
- Clean up pciehp debug logging (Bjorn Helgaas)

Power management
- Remove redundant PCIe port type checking (Yijing Wang)
- Add dev->has_secondary_link to track downstream PCIe links (Yijing Wang)
- Use dev->has_secondary_link to find downstream links for ASPM (Yijing Wang)
- Drop __pci_disable_link_state() useless "force" parameter (Bjorn Helgaas)
- Simplify Clock Power Management setting (Bjorn Helgaas)

Virtualization
- Add ACS quirks for Intel 9-series PCH root ports (Alex Williamson)
- Add function 1 DMA alias quirk for Marvell 9120 (Sakari Ailus)

MSI
- Disable MSI at enumeration even if kernel doesn't support MSI (Michael S. Tsirkin)
- Remove unused pci_msi_off() (Bjorn Helgaas)
- Rename msi_set_enable(), msix_clear_and_set_ctrl() (Michael S. Tsirkin)
- Export pci_msi_set_enable(), pci_msix_clear_and_set_ctrl() (Michael S. Tsirkin)
- Drop pci_msi_off() calls during probe (Michael S. Tsirkin)

APM X-Gene host bridge driver
- Add APM X-Gene v1 PCIe MSI/MSIX termination driver (Duc Dang)
- Add APM X-Gene PCIe MSI DTS nodes (Duc Dang)
- Disable Configuration Request Retry Status for v1 silicon (Duc Dang)
- Allow config access to Root Port even when link is down (Duc Dang)

Broadcom iProc host bridge driver
- Allow override of device tree IRQ mapping function (Hauke Mehrtens)
- Add BCMA PCIe driver (Hauke Mehrtens)
- Directly add PCI resources (Hauke Mehrtens)
- Free resource list after registration (Hauke Mehrtens)

Freescale i.MX6 host bridge driver
- Add speed change timeout message (Troy Kisky)
- Rename imx6_pcie_start_link() to imx6_pcie_establish_link() (Bjorn Helgaas)

Freescale Layerscape host bridge driver
- Use dw_pcie_link_up() consistently (Bjorn Helgaas)
- Factor out ls_pcie_establish_link() (Bjorn Helgaas)

Marvell MVEBU host bridge driver
- Remove mvebu_pcie_scan_bus() (Yijing Wang)

NVIDIA Tegra host bridge driver
- Remove tegra_pcie_scan_bus() (Yijing Wang)

Synopsys DesignWare host bridge driver
- Consolidate outbound iATU programming functions (Jisheng Zhang)
- Use iATU0 for cfg and IO, iATU1 for MEM (Jisheng Zhang)
- Add support for x8 links (Zhou Wang)
- Wait for link to come up with consistent style (Bjorn Helgaas)
- Use pci_scan_root_bus() for simplicity (Yijing Wang)

TI DRA7xx host bridge driver
- Use dw_pcie_link_up() consistently (Bjorn Helgaas)

Miscellaneous
- Include <linux/pci.h>, not <asm/pci.h> (Bjorn Helgaas)
- Remove unnecessary #includes of <asm/pci.h> (Bjorn Helgaas)
- Remove unused pcibios_select_root() (again) (Bjorn Helgaas)
- Remove unused pci_dma_burst_advice() (Bjorn Helgaas)
- xen/pcifront: Don't use deprecated function pci_scan_bus_parented() (Arnd Bergmann)

----------------------------------------------------------------
Alex Williamson (4):
PCI: Add ACS quirks for Intel 9-series PCH root ports
PCI: Move pci_ari_enabled() to global header
ACPI / PCI: Account for ARI in _PRT lookups
PCI: pciehp: Wait for hotplug command completion where necessary

Arnd Bergmann (1):
xen/pcifront: Don't use deprecated function pci_scan_bus_parented()

Bjorn Helgaas (24):
PCI/MSI: Remove unused pci_msi_off()
PCI/ASPM: Drop __pci_disable_link_state() useless "force" parameter
PCI: imx6: Rename imx6_pcie_start_link() to imx6_pcie_establish_link()
PCI: Include <linux/pci.h>, not <asm/pci.h>
PCI: Remove unnecessary #includes of <asm/pci.h>
PCI: Remove unused pcibios_select_root() (again)
PCI: Remove unused pci_dma_burst_advice()
x86/PCI: Use host bridge _CRS info on Foxconn K8M890-8237A
PCI: dra7xx: Use dw_pcie_link_up() consistently
PCI: layerscape: Use dw_pcie_link_up() consistently
PCI: layerscape: Factor out ls_pcie_establish_link()
PCI: designware: Wait for link to come up with consistent style
PCI/ASPM: Simplify Clock Power Management setting
Merge branches 'pci/aspm', 'pci/enumeration', 'pci/hotplug', 'pci/misc', 'pci/msi', 'pci/resource' and 'pci/virtualization' into next
PCI: imx6: Use "u32", not "uint32_t"
PCI: imx6: Add #define PCIE_RC_LCSR
Merge branches 'pci/host-designware', 'pci/host-designware-common', 'pci/host-generic', 'pci/host-imx6', 'pci/host-iproc' and 'pci/host-xgene' into next x86/PCI: Use host bridge _CRS info on systems with >32 bit addressing
Merge branch 'pci/resource' into next
PCI: pciehp: Clean up debug logging
PCI: pciehp: Make queue_interrupt_event() void
PCI: pciehp: Rename queue_interrupt_event() to pciehp_queue_interrupt_event()
PCI: pciehp: Inline the "handle event" functions into the ISR
Merge branches 'pci/host-xgene' and 'pci/hotplug' into next

Duc Dang (4):
PCI: xgene: Add APM X-Gene v1 PCIe MSI/MSIX termination driver
arm64: dts: Add APM X-Gene PCIe MSI nodes
PCI: xgene: Disable Configuration Request Retry Status for v1 silicon
PCI: xgene: Allow config access to Root Port even when link is down

Hauke Mehrtens (4):
PCI: iproc: Allow override of device tree IRQ mapping function
PCI: iproc: Add BCMA PCIe driver
PCI: iproc: Directly add PCI resources
PCI: iproc: Free resource list after registration

Jisheng Zhang (2):
PCI: designware: Consolidate outbound iATU programming functions
PCI: designware: Use iATU0 for cfg and IO, iATU1 for MEM

Michael S. Tsirkin (6):
PCI/MSI: Rename msi_set_enable(), msix_clear_and_set_ctrl() PCI/MSI: Export pci_msi_set_enable(), pci_msix_clear_and_set_ctrl() PCI/MSI: Disable MSI at enumeration even if kernel doesn't support MSI
virtio_pci: drop pci_msi_off() call during probe
ntb: Drop pci_msi_off() call during probe
PCI/MSI: Drop pci_msi_off() calls from quirks

Rafael J. Wysocki (4):
PCI: pciehp: Drop pointless ACPI-based "slot detection" check
PCI: pciehp: Drop pointless label from pciehp_probe() ACPI / hotplug / PCI: Check ignore_hotplug for all downstream devices
PCI: Propagate the "ignore hotplug" setting to parent

Sakari Ailus (1):
PCI: Add function 1 DMA alias quirk for Marvell 9120

Troy Kisky (1):
PCI: imx6: Add speed change timeout message

Yijing Wang (8):
PCI/ASPM: Remove redundant PCIe port type checking
PCI: Add dev->has_secondary_link to track downstream PCIe links PCI/ASPM: Use dev->has_secondary_link to find downstream links
PCI: mvebu: Remove mvebu_pcie_scan_bus()
PCI: tegra: Remove tegra_pcie_scan_bus()
PCI: designware: Use pci_scan_root_bus() for simplicity
PCI: Use dev->has_secondary_link to find downstream PCIe links
PCI: Remove unused pci_scan_bus_parented()

Yinghai Lu (1):
PCI: Add pci_bus_addr_t

Zhichang Yuan (1):
of/pci: Fix pci_address_to_pio() conversion of CPU address to I/O port

Zhou Wang (1):
PCI: designware: Add support for x8 links

 Documentation/DMA-API-HOWTO.txt                    |  29 +-
 Documentation/DMA-API.txt                          |  30 +-
 .../devicetree/bindings/pci/xgene-pci-msi.txt      |  68 +++
 MAINTAINERS                                        |   8 +
 arch/alpha/include/asm/pci.h                       |  16 -
 arch/alpha/kernel/core_irongate.c                  |   1 -
 arch/alpha/kernel/sys_eiger.c                      |   1 -
 arch/alpha/kernel/sys_nautilus.c                   |   1 -
 arch/arm/include/asm/pci.h                         |  10 -
 arch/arm64/boot/dts/apm/apm-storm.dtsi             |  27 +
 arch/frv/include/asm/pci.h                         |  10 -
 arch/ia64/include/asm/pci.h                        |  32 --
 arch/microblaze/include/asm/pci.h                  |  23 -
 arch/mips/include/asm/pci.h                        |  10 -
 arch/mips/pci/fixup-cobalt.c                       |   1 -
 arch/mips/pci/ops-mace.c                           |   1 -
 arch/mips/pci/pci-lantiq.c                         |   1 -
 arch/mn10300/include/asm/pci.h                     |  13 -
 arch/parisc/include/asm/pci.h                      |  19 -
 arch/powerpc/include/asm/pci.h                     |  30 --
 arch/powerpc/kernel/prom.c                         |   1 -
 arch/powerpc/kernel/prom_init.c                    |   1 -
 arch/powerpc/platforms/52xx/mpc52xx_pci.c          |   2 +-
 arch/s390/kernel/suspend.c                         |   2 +-
 arch/sh/drivers/pci/ops-sh5.c                      |   1 -
 arch/sh/drivers/pci/pci-sh5.c                      |   1 -
 arch/sh/include/asm/pci.h                          |  18 -
 arch/sparc/include/asm/pci_32.h                    |  10 -
 arch/sparc/include/asm/pci_64.h                    |  19 -
 arch/unicore32/include/asm/pci.h                   |  10 -
 arch/x86/include/asm/pci.h                         |   7 -
 arch/x86/kernel/x86_init.c                         |   1 -
 arch/x86/pci/acpi.c                                |  17 +-
 drivers/acpi/pci_irq.c                             |   2 +-
 drivers/net/ethernet/sun/cassini.c                 |   1 -
 drivers/ntb/ntb_hw.c                               |   2 -
 drivers/of/address.c                               |   2 +-
 drivers/pci/Kconfig                                |   4 +
 drivers/pci/bus.c                                  |  10 +-
 drivers/pci/host/Kconfig                           |  20 +
 drivers/pci/host/Makefile                          |   2 +
 drivers/pci/host/pci-dra7xx.c                      |  19 +-
 drivers/pci/host/pci-exynos.c                      |  34 +-
 drivers/pci/host/pci-imx6.c                        |  88 +--
 drivers/pci/host/pci-keystone.c                    |  16 +-
 drivers/pci/host/pci-layerscape.c                  |  25 +-
 drivers/pci/host/pci-mvebu.c                       |  18 +-
 drivers/pci/host/pci-tegra.c                       |  16 -
 drivers/pci/host/pci-xgene-msi.c                   | 596 +++++++++++++++++++++
 drivers/pci/host/pci-xgene.c                       |  66 ++-
 drivers/pci/host/pcie-designware.c                 | 154 +++---
 drivers/pci/host/pcie-iproc-bcma.c                 | 110 ++++
 drivers/pci/host/pcie-iproc-platform.c             |  12 +-
 drivers/pci/host/pcie-iproc.c                      |   6 +-
 drivers/pci/host/pcie-iproc.h                      |   4 +-
 drivers/pci/host/pcie-spear13xx.c                  |  17 +-
 drivers/pci/hotplug/Makefile                       |   3 -
 drivers/pci/hotplug/acpiphp_glue.c                 |   5 +-
 drivers/pci/hotplug/pciehp.h                       |  23 +-
 drivers/pci/hotplug/pciehp_acpi.c                  | 137 -----
 drivers/pci/hotplug/pciehp_core.c                  |  54 +-
 drivers/pci/hotplug/pciehp_ctrl.c                  | 154 +-----
 drivers/pci/hotplug/pciehp_hpc.c                   | 145 ++---
 drivers/pci/msi.c                                  |  53 +-
 drivers/pci/pci.c                                  |  44 +-
 drivers/pci/pci.h                                  |  32 +-
 drivers/pci/pcie/aer/aerdrv_core.c                 |   3 +-
 drivers/pci/pcie/aspm.c                            |  57 +-
 drivers/pci/probe.c                                |  69 ++-
 drivers/pci/quirks.c                               |   6 +-
 drivers/pci/vc.c                                   |   3 +-
 drivers/pci/xen-pcifront.c                         |  16 +-
 drivers/virtio/virtio_pci_common.c                 |   3 -

 include/asm-generic/pci.h                          |  13 -
 include/linux/pci.h                                |  44 +-
 include/linux/types.h                              |  12 +-
 76 files changed, 1396 insertions(+), 1125 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pci/xgene-pci-msi.txt
 create mode 100644 drivers/pci/host/pci-xgene-msi.c
 create mode 100644 drivers/pci/host/pcie-iproc-bcma.c
 delete mode 100644 drivers/pci/hotplug/pciehp_acpi.c