linux/drivers/pci
Linus Torvalds c7020e1b34 pci-v6.2-changes
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Merge tag 'pci-v6.2-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "Enumeration:

   - Squash portdrv_{core,pci}.c into portdrv.c to ease maintenance and
     make more things static.

   - Make portdrv bind to Switch Ports that have AER. Previously, if
     these Ports lacked MSI/MSI-X, portdrv failed to bind, which meant
     the Ports couldn't be suspended to low-power states. AER on these
     Ports doesn't use interrupts, and the AER driver doesn't need to
     claim them.

   - Assign PCI domain IDs using ida_alloc(), which makes host bridge
     add/remove work better.

  Resource management:

   - To work better with recent BIOSes that use EfiMemoryMappedIO for
     PCI host bridge apertures, remove those regions from the E820 map
     (E820 entries normally prevent us from allocating BARs). In v5.19,
     we added some quirks to disable E820 checking, but that's not very
     maintainable. EfiMemoryMappedIO means the OS needs to map the
     region for use by EFI runtime services; it shouldn't prevent OS
     from using it.

  PCIe native device hotplug:

   - Build pciehp by default if USB4 is enabled, since Thunderbolt/USB4
     PCIe tunneling depends on native PCIe hotplug.

   - Enable Command Completed Interrupt only if supported to avoid user
     confusion from lspci output that says this is enabled but not
     supported.

   - Prevent pciehp from binding to Switch Upstream Ports; this happened
     because of interaction with acpiphp and caused devices below the
     Upstream Port to disappear.

  Power management:

   - Convert AGP drivers to generic power management. We hope to remove
     legacy power management from the PCI core eventually.

  Virtualization:

   - Fix pci_device_is_present(), which previously always returned
     "false" for VFs, causing virtio hangs when unbinding the driver.

  Miscellaneous:

   - Convert drivers to gpiod API to prepare for dropping some legacy
     code.

   - Fix DOE fencepost error for the maximum data object length.

  Baikal-T1 PCIe controller driver:

   - Add driver and DT bindings.

  Broadcom STB PCIe controller driver:

   - Enable Multi-MSI.

   - Delay 100ms after PERST# deassert to allow power and clocks to
     stabilize.

   - Configure Read Completion Boundary to 64 bytes.

  Freescale i.MX6 PCIe controller driver:

   - Initialize PHY before deasserting core reset to fix a regression in
     v6.0 on boards where the PHY provides the reference.

   - Fix imx6sx and imx8mq clock names in DT schema.

  Intel VMD host bridge driver:

   - Fix Secondary Bus Reset on VMD bridges, which allows reset of NVMe
     SSDs in VT-d pass-through scenarios.

   - Disable MSI remapping, which gets re-enabled by firmware during
     suspend/resume.

  MediaTek PCIe Gen3 controller driver:

   - Add MT7986 and MT8195 support.

  Qualcomm PCIe controller driver:

   - Add SC8280XP/SA8540P basic interconnect support.

  Rockchip DesignWare PCIe controller driver:

   - Base DT schema on common Synopsys schema.

  Synopsys DesignWare PCIe core:

   - Collect DT items shared between Root Port and Endpoint (PERST GPIO,
     PHY info, clocks, resets, link speed, number of lanes, number of
     iATU windows, interrupt info, etc) to snps,dw-pcie-common.yaml.

   - Add dma-ranges support for Root Ports and Endpoints.

   - Consolidate DT resource retrieval for "dbi", "dbi2", "atu", etc. to
     reduce code duplication.

   - Add generic names for clocks and resets to encourage more
     consistent naming across drivers using DesignWare IP.

   - Stop advertising PTM Responder role for Endpoints, which aren't
     allowed to be responders.

  TI J721E PCIe driver:

   - Add j721s2 host mode ID to DT schema.

   - Add interrupt properties to DT schema.

  Toshiba Visconti PCIe controller driver:

   - Fix interrupts array max constraints in DT schema"

* tag 'pci-v6.2-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (95 commits)
  x86/PCI: Use pr_info() when possible
  x86/PCI: Fix log message typo
  x86/PCI: Tidy E820 removal messages
  PCI: Skip allocate_resource() if too little space available
  efi/x86: Remove EfiMemoryMappedIO from E820 map
  PCI/portdrv: Allow AER service only for Root Ports & RCECs
  PCI: xilinx-nwl: Fix coding style violations
  PCI: mvebu: Switch to using gpiod API
  PCI: pciehp: Enable Command Completed Interrupt only if supported
  PCI: aardvark: Switch to using devm_gpiod_get_optional()
  dt-bindings: PCI: mediatek-gen3: add support for mt7986
  dt-bindings: PCI: mediatek-gen3: add SoC based clock config
  dt-bindings: PCI: qcom: Allow 'dma-coherent' property
  PCI: mt7621: Add sentinel to quirks table
  PCI: vmd: Fix secondary bus reset for Intel bridges
  PCI: endpoint: pci-epf-vntb: Fix sparse ntb->reg build warning
  PCI: endpoint: pci-epf-vntb: Fix sparse build warning for epf_db
  PCI: endpoint: pci-epf-vntb: Replace hardcoded 4 with sizeof(u32)
  PCI: endpoint: pci-epf-vntb: Remove unused epf_db_phy struct member
  PCI: endpoint: pci-epf-vntb: Fix call pci_epc_mem_free_addr() in error path
  ...
2022-12-14 09:54:10 -08:00
..
controller pci-v6.2-changes 2022-12-14 09:54:10 -08:00
endpoint Merge branch 'remotes/lorenzo/pci/misc' 2022-12-10 10:36:40 -06:00
hotplug PCI: pciehp: Enable Command Completed Interrupt only if supported 2022-12-07 08:27:20 -06:00
msi PCI/MSI: Provide pci_ims_alloc/free_irq() 2022-12-05 22:22:35 +01:00
pcie pci-v6.2-changes 2022-12-14 09:54:10 -08:00
switch PCI: switchtec: Prefer ida_alloc()/free() over ida_simple_get()/remove() 2022-06-09 12:28:21 -05:00
access.c PCI: Access Link 2 registers only for devices with Links 2022-11-04 10:38:11 -05:00
ats.c PCI: Enable PASID only when ACS RR & UF enabled on upstream path 2022-11-03 15:47:47 +01:00
bus.c PCI: Skip allocate_resource() if too little space available 2022-12-10 10:31:47 -06:00
doe.c PCI/DOE: Fix maximum data object length miscalculation 2022-11-16 14:26:46 -06:00
ecam.c
host-bridge.c PCI: VMD: ACPI: Make ACPI companion lookup work for VMD bus 2021-09-02 17:59:58 +02:00
iov.c PCI/IOV: Fix wrong kernel-doc identifier 2022-03-07 12:06:10 -07:00
irq.c PCI: Check for alloc failure in pci_request_irq() 2022-11-21 16:55:18 -06:00
Kconfig genirq: Get rid of GENERIC_MSI_IRQ_DOMAIN 2022-11-17 15:15:20 +01:00
Makefile PCI/DOE: Add DOE mailbox support functions 2022-07-19 15:38:04 -07:00
mmap.c PCI: Remove pci_mmap_page_range() wrapper 2022-07-29 12:08:44 -05:00
of.c IOMMU Updates for Linux v5.19 2022-05-31 09:56:54 -07:00
p2pdma.c for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
pci-acpi.c PCI/ACPI: Use METHOD_NAME__UID instead of plain string 2022-11-07 15:22:52 -06:00
pci-bridge-emul.c PCI: pci-bridge-emul: Set position of PCI capabilities to real HW value 2022-08-25 12:07:56 +02:00
pci-bridge-emul.h PCI: pci-bridge-emul: Set position of PCI capabilities to real HW value 2022-08-25 12:07:56 +02:00
pci-driver.c PCI/PM: Remove unused 'state' parameter to pci_legacy_suspend_late() 2022-10-26 11:26:11 -05:00
pci-label.c
pci-mid.c PCI: PM: Do not use pci_platform_pm_ops for Intel MID PM 2021-09-27 17:13:21 +02:00
pci-pf-stub.c
pci-stub.c PCI: pci_stub: Set driver_managed_dma 2022-04-28 15:32:20 +02:00
pci-sysfs.c pci-v6.2-changes 2022-12-14 09:54:10 -08:00
pci.c PCI: Fix pci_device_is_present() for VFs by checking PF 2022-11-11 17:37:56 -06:00
pci.h PCI: Access Link 2 registers only for devices with Links 2022-11-04 10:38:11 -05:00
probe.c pci-v6.2-changes 2022-12-14 09:54:10 -08:00
proc.c PCI: Remove pci_mmap_page_range() wrapper 2022-07-29 12:08:44 -05:00
quirks.c PCI/DPC: Quirk PIO log size for certain Intel Root Ports 2022-09-27 18:13:18 -05:00
remove.c PCI: Assign PCI domain IDs by ida_alloc() 2022-11-08 11:14:18 -06:00
rom.c PCI: Prefer 'unsigned int' over bare 'unsigned' 2021-10-27 13:41:22 -05:00
search.c
setup-bus.c Revert "PCI: Distribute available resources for root buses, too" 2022-10-14 14:27:58 -05:00
setup-irq.c PCI: Tidy comments 2021-09-28 13:43:17 -05:00
setup-res.c PCI: Sanitise firmware BAR assignments behind a PCI-PCI bridge 2022-09-21 17:52:47 -05:00
slot.c PCI/sysfs: Use default_groups in kobj_type for slot attrs 2021-12-29 13:42:04 -06:00
syscall.c PCI: Return int from pciconfig_read() syscall 2021-08-03 16:55:48 -05:00
vc.c
vgaarb.c PCI/VGA: Replace full MIT license text with SPDX identifier 2022-03-09 18:31:34 -06:00
vpd.c PCI/VPD: Use pci_read_vpd_any() in pci_vpd_size() 2021-10-25 19:12:23 -05:00
xen-pcifront.c xen/pcifront: move xenstore config scanning into sub-function 2022-10-07 07:36:44 +02:00