Re: [GIT PULL] PCI changes for v4.2

From: Bjorn Helgaas
Date: Mon Jun 22 2015 - 11:15:44 EST

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[+cc linux-pci, linux-kernel]

On Mon, Jun 22, 2015 at 10:14 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
> 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
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