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Message-ID: <20250604171300.GA533412@bhelgaas>
Date: Wed, 4 Jun 2025 12:13:00 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
Rob Herring <robh@...nel.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Manivannan Sadhasivam <mani@...nel.org>,
Krzysztof Wilczyński <kwilczynski@...nel.org>
Subject: [GIT PULL] PCI changes for v6.16
The following changes since commit fdc348121f2465897792f946715a5da7887e5f97:
irqdomain: pci: Switch to of_fwnode_handle() (2025-04-07 12:15:14 -0500)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git tags/pci-v6.16-changes
for you to fetch changes up to 3de914864c0d53b7c49aaa94e4ccda9e1dd271d7:
Merge branch 'pci/misc' (2025-06-04 10:50:45 -0500)
NB:
- Rebased this morning to add Mani's email address change and update
merge commit logs.
- These are changes since fdc348121f24 ("irqdomain: pci: Switch to
of_fwnode_handle()"), not the usual v6.15-rc1.
I applied fdc348121f24 to the PCI tree, but Thomas picked it up
via 6a08164de9fc ("Merge irq/cleanup fragments into irq/msi"), and
you already merged it via 44ed0f35df34 ("Merge tag
'irq-msi-2025-05-25' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip"). Confused
me a bit.
- You should see the following conflicts:
* MAINTAINERS between commit:
0747c136753e ("MAINTAINERS: Move Manivannan Sadhasivam as PCI Native host bridge and endpoint maintainer")
from upstream and commit:
308f8c7a626e ("MAINTAINERS: Update Manivannan Sadhasivam email address")
from the PCI tree.
* drivers/pci/controller/pcie-apple.c between commit:
5d627a9484ec ("PCI: apple: Convert to MSI parent infrastructure")
from upstream and commit:
3f1ccd6e85d7 ("PCI: apple: Abstract register offsets via a SoC-specific structure")
from the PCI tree.
* drivers/pci/pci.h between commit:
d5124a9957b2 ("PCI/MSI: Provide a sane mechanism for TPH")
and commits:
51f6aec99cb0 ("PCI: Remove hybrid devres nature from request functions")
8e9987485d9a ("PCI: Remove pcim_request_region_exclusive()")
dfc970ad6197 ("PCI: Remove function pcim_intx() prototype from pci.h")
from the PCI tree.
* drivers/gpu/drm/xe/Kconfig between commit:
e4931f8be347 ("drm/xe/vsec: fix CONFIG_INTEL_VSEC dependency")
from the drm-xe tree (not merged to upstream yet AFAICS) and commit:
8fe743b5eba0 ("PCI: Add CONFIG_MMU dependency")
from the PCI tree.
----------------------------------------------------------------
Enumeration:
- Print the actual delay time in pci_bridge_wait_for_secondary_bus()
instead of assuming it was 1000ms (Wilfred Mallawa)
- Revert 'iommu/amd: Prevent binding other PCI drivers to IOMMU PCI
devices', which broke resume from system sleep on AMD platforms and has
been fixed by other commits (Lukas Wunner)
Resource management:
- Remove mtip32xx use of pcim_iounmap_regions(), which is deprecated and
unnecessary (Philipp Stanner)
- Remove pcim_iounmap_regions() and pcim_request_region_exclusive() and
related flags since all uses have been removed (Philipp Stanner)
- Rework devres 'request' functions so they are no longer 'hybrid', i.e.,
their behavior no longer depends on whether pcim_enable_device or
pci_enable_device() was used, and remove related code (Philipp Stanner)
- Warn (not BUG()) about failure to assign optional resources (Ilpo
Järvinen)
Error handling:
- Log the DPC Error Source ID only when it's actually valid (when
ERR_FATAL or ERR_NONFATAL was received from a downstream device) and
decode into bus/device/function (Bjorn Helgaas)
- Determine AER log level once and save it so all related messages use
the same level (Karolina Stolarek)
- Use KERN_WARNING, not KERN_ERR, when logging PCIe Correctable Errors
(Karolina Stolarek)
- Ratelimit PCIe Correctable and Non-Fatal error logging, with sysfs
controls on interval and burst count, to avoid flooding logs and RCU
stall warnings (Jon Pan-Doh)
Power management:
- Increment PM usage counter when probing reset methods so we don't try
to read config space of a powered-off device (Alex Williamson)
- Set all devices to D0 during enumeration to ensure ACPI opregion is
connected via _REG (Mario Limonciello)
Power control:
- Rename pwrctrl Kconfig symbols from 'PWRCTL' to 'PWRCTRL' to match the
filename paths. Retain old deprecated symbols for compatibility,
except for the pwrctrl slot driver (PCI_PWRCTRL_SLOT) (Johan Hovold)
- When unregistering pwrctrl, cancel outstanding rescan work before
cleaning up data structures to avoid use-after-free issues (Brian
Norris)
Bandwidth control:
- Simplify link bandwidth controller by replacing the count of Link
Bandwidth Management Status (LBMS) events with a PCI_LINK_LBMS_SEEN
flag (Ilpo Järvinen)
- Update the Link Speed after retraining, since the Link Speed may have
changed (Ilpo Järvinen)
PCIe native device hotplug:
- Ignore Presence Detect Changed caused by DPC. pciehp already ignores
Link Down/Up events caused by DPC, but on slots using in-band presence
detect, DPC causes a spurious Presence Detect Changed event (Lukas
Wunner)
- Ignore Link Down/Up caused by Secondary Bus Reset. On hotplug ports
using in-band presence detect, the reset causes a Presence Detect
Changed event, which mistakenly caused teardown and re-enumeration of
the device. Drivers may need to annotate code that resets their device
(Lukas Wunner)
Virtualization:
- Add an ACS quirk for Loongson Root Ports that don't advertise ACS but
don't allow peer-to-peer transactions between Root Ports; the quirk
allows each Root Port to be in a separate IOMMU group (Huacai Chen)
Endpoint framework:
- For fixed-size BARs, retain both the actual size and the possibly
larger size allocated to accommodate iATU alignment requirements
(Jerome Brunet)
- Simplify ctrl/SPAD space allocation and avoid allocating more space
than needed (Jerome Brunet)
- Correct MSI-X PBA offset calculations for DesignWare and Cadence
endpoint controllers (Niklas Cassel)
- Align the return value (number of interrupts) encoding for
pci_epc_get_msi()/pci_epc_ops::get_msi() and
pci_epc_get_msix()/pci_epc_ops::get_msix() (Niklas Cassel)
- Align the nr_irqs parameter encoding for
pci_epc_set_msi()/pci_epc_ops::set_msi() and
pci_epc_set_msix()/pci_epc_ops::set_msix() (Niklas Cassel)
Common host controller library:
- Convert pci-host-common to a library so platforms that don't need
native host controller drivers don't need to include these helper
functions (Manivannan Sadhasivam)
Apple PCIe controller driver:
- Extract ECAM bridge creation helper from pci_host_common_probe() to
separate driver-specific things like MSI from PCI things (Marc Zyngier)
- Dynamically allocate RID-to_SID bitmap to prepare for SoCs with varying
capabilities (Marc Zyngier)
- Skip ports disabled in DT when setting up ports (Janne Grunau)
- Add t6020 compatible string (Alyssa Rosenzweig)
- Add T602x PCIe support (Hector Martin)
- Directly set/clear INTx mask bits because T602x dropped the accessors
that could do this without locking (Marc Zyngier)
- Move port PHY registers to their own reg items to accommodate T602x,
which moves them around; retain default offsets for existing DTs that
lack phy%d entries with the reg offsets (Hector Martin)
- Stop polling for core refclk, which doesn't work on T602x and the
bootloader has already done anyway (Hector Martin)
- Use gpiod_set_value_cansleep() when asserting PERST# in probe because
we're allowed to sleep there (Hector Martin)
Cadence PCIe controller driver:
- Drop a runtime PM 'put' to resolve a runtime atomic count underflow
(Hans Zhang)
- Make the cadence core buildable as a module (Kishon Vijay Abraham I)
- Add cdns_pcie_host_disable() and cdns_pcie_ep_disable() for use by
loadable drivers when they are removed (Siddharth Vadapalli)
Freescale i.MX6 PCIe controller driver:
- Apply link training workaround only on IMX6Q, IMX6SX, IMX6SP (Richard
Zhu)
- Remove redundant dw_pcie_wait_for_link() from imx_pcie_start_link();
since the DWC core does this, imx6 only needs it when retraining for a
faster link speed (Richard Zhu)
- Toggle i.MX95 core reset to align with PHY powerup (Richard Zhu)
- Set SYS_AUX_PWR_DET to work around i.MX95 ERR051624 erratum: in some
cases, the controller can't exit 'L23 Ready' through Beacon or PERST#
deassertion (Richard Zhu)
- Clear GEN3_ZRXDC_NONCOMPL to work around i.MX95 ERR051586 erratum:
controller can't meet 2.5 GT/s ZRX-DC timing when operating at 8 GT/s,
causing timeouts in L1 (Richard Zhu)
- Wait for i.MX95 PLL lock before enabling controller (Richard Zhu)
- Save/restore i.MX95 LUT for suspend/resume (Richard Zhu)
Mobiveil PCIe controller driver:
- Return bool (not int) for link-up check in mobiveil_pab_ops.link_up()
and layerscape-gen4, mobiveil (Hans Zhang)
NVIDIA Tegra194 PCIe controller driver:
- Create debugfs directory for 'aspm_state_cnt' only when CONFIG_PCIEASPM
is enabled, since there are no other entries (Hans Zhang)
Qualcomm PCIe controller driver:
- Add OF support for parsing DT 'eq-presets-<N>gts' property for lane
equalization presets (Krishna Chaitanya Chundru)
- Read Maximum Link Width from the Link Capabilities register if DT lacks
'num-lanes' property (Krishna Chaitanya Chundru)
- Add Physical Layer 64 GT/s Capability ID and register offsets for 8,
32, and 64 GT/s lane equalization registers (Krishna Chaitanya Chundru)
- Add generic dwc support for configuring lane equalization presets
(Krishna Chaitanya Chundru)
- Add DT and driver support for PCIe on IPQ5018 SoC (Nitheesh Sekar)
Renesas R-Car PCIe controller driver:
- Describe endpoint BAR 4 as being fixed size (Jerome Brunet)
- Document how to obtain R-Car V4H (r8a779g0) controller firmware
(Yoshihiro Shimoda)
Rockchip PCIe controller driver:
- Reorder rockchip_pci_core_rsts because reset_control_bulk_deassert()
deasserts in reverse order, to fix a link training regression (Jensen
Huang)
- Mark RK3399 as being capable of raising INTx interrupts (Niklas Cassel)
Rockchip DesignWare PCIe controller driver:
- Check only PCIE_LINKUP, not LTSSM status, to determine whether the link
is up (Shawn Lin)
- Increase N_FTS (used in L0s->L0 transitions) and enable ASPM L0s for
Root Complex and Endpoint modes (Shawn Lin)
- Hide the broken ATS Capability in rockchip_pcie_ep_init() instead of
rockchip_pcie_ep_pre_init() so it stays hidden after PERST# resets
non-sticky registers (Shawn Lin)
- Call phy_power_off() before phy_exit() in rockchip_pcie_phy_deinit()
(Diederik de Haas)
Synopsys DesignWare PCIe controller driver:
- Set PORT_LOGIC_LINK_WIDTH to one lane to make initial link training
more robust; this will not affect the intended link width if all lanes
are functional (Wenbin Yao)
- Return bool (not int) for link-up check in dw_pcie_ops.link_up() and
armada8k, dra7xx, dw-rockchip, exynos, histb, keembay, keystone, kirin,
meson, qcom, qcom-ep, rcar_gen4, spear13xx, tegra194, uniphier,
visconti (Hans Zhang)
- Add debugfs support for exposing DWC device-specific PTM context
(Manivannan Sadhasivam)
TI J721E PCIe driver:
- Make j721e buildable as a loadable and removable module (Siddharth
Vadapalli)
- Fix j721e host/endpoint dependencies that result in link failures in
some configs (Arnd Bergmann)
Device tree bindings:
- Add qcom DT binding for 'global' interrupt (PCIe controller and
link-specific events) for ipq8074, ipq8074-gen3, ipq6018, sa8775p,
sc7280, sc8180x sdm845, sm8150, sm8250, sm8350 (Manivannan Sadhasivam)
- Add qcom DT binding for 8 MSI SPI interrupts for msm8998, ipq8074,
ipq8074-gen3, ipq6018 (Manivannan Sadhasivam)
- Add dw rockchip DT binding for rk3576 and rk3562 (Kever Yang)
- Correct indentation and style of examples in brcm,stb-pcie,
cdns,cdns-pcie-ep, intel,keembay-pcie-ep, intel,keembay-pcie,
microchip,pcie-host, rcar-pci-ep, rcar-pci-host, xilinx-versal-cpm
(Krzysztof Kozlowski)
- Convert Marvell EBU (dove, kirkwood, armada-370, armada-xp) and
armada8k from text to schema DT bindings (Rob Herring)
- Remove obsolete .txt DT bindings for content that has been moved to
schemas (Rob Herring)
- Add qcom DT binding for MHI registers in IPQ5332, IPQ6018, IPQ8074 and
IPQ9574 (Varadarajan Narayanan)
- Convert v3,v360epc-pci from text to DT schema binding (Rob Herring)
- Change microchip,pcie-host DT binding to be 'dma-noncoherent' since
PolarFire may be configured that way (Conor Dooley)
Miscellaneous:
- Drop 'pci' suffix from intel_mid_pci.c filename to match similar files
(Andy Shevchenko)
- All platforms with PCI have an MMU, so add PCI Kconfig dependency on
MMU to simplify build testing and avoid inadvertent build regressions
(Arnd Bergmann)
- Update Krzysztof Wilczyński's email address in MAINTAINERS (Krzysztof
Wilczyński)
- Update Manivannan Sadhasivam's email address in MAINTAINERS (Manivannan
Sadhasivam)
----------------------------------------------------------------
Alex Williamson (2):
PM: runtime: Define pm_runtime_put cleanup helper
PCI: Increment PM usage counter when probing reset methods
Alyssa Rosenzweig (1):
dt-bindings: pci: apple,pcie: Add t6020 compatible string
Andy Shevchenko (1):
x86/PCI: Drop 'pci' suffix from intel_mid_pci.c
Arnd Bergmann (2):
PCI: Add CONFIG_MMU dependency
PCI: j721e: Fix host/endpoint dependencies
Bjorn Helgaas (40):
PCI/DPC: Initialize aer_err_info before using it
PCI/DPC: Log Error Source ID only when valid
PCI/AER: Factor COR/UNCOR error handling out from aer_isr_one_error()
PCI/AER: Consolidate Error Source ID logging in aer_isr_one_error_type()
PCI/AER: Extract bus/dev/fn in aer_print_port_info() with PCI_BUS_NUM(), etc
PCI/AER: Move aer_print_source() earlier in file
PCI/AER: Initialize aer_err_info before using it
PCI/AER: Simplify pci_print_aer()
PCI/AER: Update statistics before ratelimiting
PCI/AER: Trace error event before ratelimiting
PCI/ERR: Add printk level to pcie_print_tlp_log()
PCI/AER: Convert aer_get_device_error_info(), aer_print_error() to index
PCI/AER: Simplify add_error_device()
Merge branch 'pci/aer'
Merge branch 'pci/bwctrl'
Merge branch 'pci/devres'
Merge branch 'pci/enumeration'
Merge branch 'pci/hotplug'
Merge branch 'pci/irq'
Merge branch 'pci/pci-acpi'
Merge branch 'pci/pm'
Merge branch 'pci/pwrctrl'
Merge branch 'pci/reset'
Merge branch 'pci/virtualization'
Merge branch 'pci/endpoint'
Merge branch 'pci/controller/apple'
Merge branch 'pci/controller/cadence'
Merge branch 'pci/controller/dw-rockchip'
Merge branch 'pci/controller/dwc-ep'
Merge branch 'pci/controller/dwc'
Merge branch 'pci/controller/imx6'
Merge branch 'pci/controller/mobiveil'
Merge branch 'pci/controller/mvebu'
Merge branch 'pci/controller/qcom'
Merge branch 'pci/controller/rcar-gen4'
Merge branch 'pci/controller/rockchip'
Merge branch 'pci/controller/tegra194'
Merge branch 'pci/ptm-debugfs'
Merge branch 'pci/dt-bindings'
Merge branch 'pci/misc'
Brian Norris (1):
PCI/pwrctrl: Cancel outstanding rescan work when unregistering
Chen Ni (1):
PCI: ls-gen4: Use to_delayed_work()
Conor Dooley (1):
dt-bindings: PCI: microchip,pcie-host: Fix DMA coherency property
Diederik de Haas (1):
PCI: dw-rockchip: Fix PHY function call sequence in rockchip_pcie_phy_deinit()
Hans Zhang (10):
PCI: cadence: Fix runtime atomic count underflow
PCI: dw-rockchip: Remove unused PCIE_CLIENT_GENERAL_DEBUG definition
PCI: dw-rockchip: Reorganize register and bitfield definitions
PCI: dw-rockchip: Use rockchip_pcie_link_up() to check link up instead of open coding
PCI: tegra194: Create debugfs directory only when CONFIG_PCIEASPM is enabled
PCI: dwc: ep: Use FIELD_GET() where applicable
PCI: dwc: Return bool from link up check
PCI: mobiveil: Return bool from link up check
PCI: cadence: Simplify J721e link status check
PCI: cadence: Remove duplicate message code definitions
Hector Martin (6):
PCI: apple: Fix missing OF node reference in apple_pcie_setup_port
PCI: apple: Move port PHY registers to their own reg items
PCI: apple: Drop poll for CORE_RC_PHYIF_STAT_REFCLK
PCI: apple: Use gpiod_set_value_cansleep in probe flow
PCI: apple: Abstract register offsets via a SoC-specific structure
PCI: apple: Add T602x PCIe support
Heiner Kallweit (1):
PCI: Remove pci_fixup_cardbus()
Huacai Chen (1):
PCI: Add ACS quirk for Loongson PCIe
Ilpo Järvinen (7):
PCI: Use PCI_STD_NUM_BARS instead of 6
PCI: Fix lock symmetry in pci_slot_unlock()
PCI/bwctrl: Replace lbms_count with PCI_LINK_LBMS_SEEN flag
PCI: Update Link Speed after retraining
PCI: Remove unused pci_printk()
PCI: WARN (not BUG()) when we fail to assign optional resources
PCI: Remove unnecessary linesplit in __pci_setup_bridge()
Janne Grunau (1):
PCI: apple: Set only available ports up
Jensen Huang (1):
PCI: rockchip: Fix order of rockchip_pci_core_rsts
Jerome Brunet (3):
PCI: rcar-gen4: set ep BAR4 fixed size
PCI: endpoint: Retain fixed-size BAR size as well as aligned size
PCI: endpoint: pci-epf-vntb: Simplify ctrl/SPAD space allocation
Johan Hovold (4):
PCI/pwrctrl: Rename pwrctrl Kconfig symbols and slot module
wifi: ath11k: switch to PCI_PWRCTRL_PWRSEQ
wifi: ath12k: switch to PCI_PWRCTRL_PWRSEQ
arm64: Kconfig: switch to HAVE_PWRCTRL
Jon Pan-Doh (4):
PCI/AER: Rename aer_print_port_info() to aer_print_source()
PCI/AER: Ratelimit correctable and non-fatal error logging
PCI/AER: Add ratelimits to PCI AER Documentation
PCI/AER: Add sysfs attributes for log ratelimits
Karolina Stolarek (3):
PCI/AER: Check log level once and remember it
PCI/AER: Reduce pci_print_aer() correctable error level to KERN_WARNING
PCI/AER: Rename struct aer_stats to aer_info
Kever Yang (2):
dt-bindings: PCI: dw: rockchip: Add rk3576 support
dt-bindings: PCI: dwc: rockchip: Add rk3562 support
Kishon Vijay Abraham I (1):
PCI: cadence: Add support to build pcie-cadence library as a kernel module
Krishna Chaitanya Chundru (4):
PCI: of: Add of_pci_get_equalization_presets() API
PCI: dwc: Update pci->num_lanes to maximum supported link width
PCI: Add lane equalization register offsets
PCI: dwc: Add support for configuring lane equalization presets
Krzysztof Kozlowski (2):
dt-bindings: PCI: Correct indentation and style in DTS example
dt-bindings: PCI: sifive,fu740-pcie: Fix include placement in DTS example
Krzysztof Wilczyński (1):
MAINTAINERS: Update Krzysztof Wilczyński email address
Lukas Wunner (5):
PCI: pciehp: Ignore Presence Detect Changed caused by DPC
PCI: pciehp: Ignore Link Down/Up caused by Secondary Bus Reset
PCI: hotplug: Drop superfluous #include directives
Revert "iommu/amd: Prevent binding other PCI drivers to IOMMU PCI devices"
PCI: Limit visibility of match_driver flag to PCI core
Manivannan Sadhasivam (17):
dt-bindings: PCI: qcom,pcie-sm8150: Add 'global' interrupt
dt-bindings: PCI: qcom,pcie-sm8250: Add 'global' interrupt
dt-bindings: PCI: qcom,pcie-sm8350: Add 'global' interrupt
dt-bindings: PCI: qcom,pcie-sa8775p: Add 'global' interrupt
dt-bindings: PCI: qcom,pcie-sc7280: Add 'global' interrupt
dt-bindings: PCI: qcom: Add 'global' interrupt for SDM845 SoC
dt-bindings: PCI: qcom: Allow MSM8998 to use 8 MSI and one 'global' interrupt
dt-bindings: PCI: qcom: Allow IPQ8074 to use 8 MSI and one 'global' interrupt
dt-bindings: PCI: qcom: Allow IPQ6018 to use 8 MSI and one 'global' interrupt
dt-bindings: PCI: qcom,pcie-sc8180x: Add 'global' interrupt
PCI: Add debugfs support for exposing PTM context
PCI: dwc: Pass DWC PCIe mode to dwc_pcie_debugfs_init()
PCI: dwc: Add debugfs support for PTM context
PCI: qcom-ep: Mask PTM_UPDATING interrupt
PCI/ERR: Remove misleading TODO regarding kernel panic
PCI: host-common: Convert to library for host controller drivers
MAINTAINERS: Update Manivannan Sadhasivam email address
Marc Zyngier (5):
PCI: host-generic: Extract an ECAM bridge creation helper from pci_host_common_probe()
PCI: ecam: Allow cfg->priv to be pre-populated from the root port device
PCI: apple: Move over to standalone probing
PCI: apple: Dynamically allocate RID-to_SID bitmap
PCI: apple: Move away from INTMSK{SET,CLR} for INTx and private interrupts
Mario Limonciello (1):
PCI: Explicitly put devices into D0 when initializing
Niklas Cassel (10):
PCI: rockchip-ep: Mark RK3399 as intx_capable
PCI: dwc: ep: Fix errno typo
PCI: dwc: ep: Correct PBA offset in .set_msix() callback
PCI: cadence-ep: Correct PBA offset in .set_msix() callback
PCI: endpoint: Align pci_epc_get_msi(), pci_epc_ops::get_msi() return value encoding
PCI: endpoint: Align pci_epc_get_msix(), pci_epc_ops::get_msix() return value encoding
PCI: endpoint: Align pci_epc_set_msi(), pci_epc_ops::set_msi() nr_irqs encoding
PCI: endpoint: Align pci_epc_set_msix(), pci_epc_ops::set_msix() nr_irqs encoding
PCI: dw-rockchip: Replace PERST# sleep time with proper macro
PCI: qcom: Replace PERST# sleep time with proper macro
Nitheesh Sekar (2):
dt-bindings: PCI: qcom: Add IPQ5018 SoC
PCI: qcom: Add support for IPQ5018
Philipp Stanner (9):
mtip32xx: Remove unnecessary pcim_iounmap_regions() calls
PCI: Remove pcim_iounmap_regions()
PCI: Remove hybrid devres nature from request functions
Documentation/driver-api: Update pcim_enable_device()
PCI: Remove pcim_request_region_exclusive()
PCI: Remove exclusive requests flags from _pcim_request_region()
PCI: Remove redundant set of request functions
PCI: Remove hybrid-devres usage warnings from kernel-doc
PCI: Remove function pcim_intx() prototype from pci.h
Richard Zhu (7):
PCI: imx6: Skip link up workaround for newer platforms
PCI: imx6: Call dw_pcie_wait_for_link() from start_link() callback only when required
PCI: imx6: Toggle the core reset for i.MX95 PCIe
PCI: imx6: Add workaround for errata ERR051624
PCI: imx6: Add workaround for errata ERR051586
PCI: imx6: Add PLL lock check for i.MX95 SoC
PCI: imx6: Save and restore the LUT setting during suspend/resume for i.MX95 SoC
Rick Wertenbroek (1):
Documentation: Fix path for NVMe PCI endpoint target driver
Rob Herring (Arm) (5):
PCI: mvebu: Use for_each_of_range() iterator for parsing "ranges"
dt-bindings: PCI: Convert Marvell EBU to schema
dt-bindings: PCI: Convert marvell,armada8k-pcie to schema
dt-bindings: PCI: Remove obsolete .txt docs
dt-bindings: PCI: Convert v3,v360epc-pci to DT schema
Shawn Lin (3):
PCI: dw-rockchip: Remove PCIE_L0S_ENTRY check from rockchip_pcie_link_up()
PCI: dw-rockchip: Enable ASPM L0s capability for both RC and EP modes
PCI: dw-rockchip: Move rockchip_pcie_ep_hide_broken_ats_cap_rk3588() to dw_pcie_ep_ops::init()
Siddharth Vadapalli (3):
PCI: cadence-host: Introduce cdns_pcie_host_disable() helper for cleanup
PCI: cadence-ep: Introduce cdns_pcie_ep_disable() helper for cleanup
PCI: j721e: Add support to build as a loadable module
Varadarajan Narayanan (1):
dt-bindings: PCI: qcom: Add MHI registers for IPQ9574
Wenbin Yao (1):
PCI: dwc: Make link training more robust by setting PORT_LOGIC_LINK_WIDTH to one lane
Wilfred Mallawa (1):
PCI: Print the actual delay time in pci_bridge_wait_for_secondary_bus()
Yoshihiro Shimoda (1):
PCI: rcar-gen4: Document how to obtain platform firmware
Zhe Qiao (1):
PCI/ACPI: Fix allocated memory release on error in pci_acpi_scan_root()
.mailmap | 3 +
Documentation/ABI/testing/debugfs-pcie-ptm | 70 ++++
...devices-aer_stats => sysfs-bus-pci-devices-aer} | 44 +++
Documentation/PCI/controller/index.rst | 10 +
.../PCI/controller/rcar-pcie-firmware.rst | 32 ++
Documentation/PCI/endpoint/pci-nvme-function.rst | 2 +-
Documentation/PCI/index.rst | 1 +
Documentation/PCI/pcieaer-howto.rst | 17 +-
.../devicetree/bindings/pci/apple,pcie.yaml | 33 +-
.../devicetree/bindings/pci/brcm,stb-pcie.yaml | 81 ++--
.../devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml | 16 +-
.../bindings/pci/intel,keembay-pcie-ep.yaml | 26 +-
.../bindings/pci/intel,keembay-pcie.yaml | 38 +-
.../bindings/pci/marvell,armada8k-pcie.yaml | 100 +++++
.../bindings/pci/marvell,kirkwood-pcie.yaml | 277 +++++++++++++
.../bindings/pci/microchip,pcie-host.yaml | 56 +--
.../devicetree/bindings/pci/mvebu-pci.txt | 310 ---------------
.../bindings/pci/nvidia,tegra194-pcie-ep.yaml | 2 +-
.../devicetree/bindings/pci/pci-armada8k.txt | 48 ---
.../devicetree/bindings/pci/pci-iommu.txt | 171 --------
Documentation/devicetree/bindings/pci/pci-msi.txt | 220 -----------
Documentation/devicetree/bindings/pci/pci.txt | 84 ----
.../devicetree/bindings/pci/qcom,pcie-sa8775p.yaml | 10 +-
.../devicetree/bindings/pci/qcom,pcie-sc7280.yaml | 9 +-
.../devicetree/bindings/pci/qcom,pcie-sc8180x.yaml | 10 +-
.../devicetree/bindings/pci/qcom,pcie-sm8150.yaml | 9 +-
.../devicetree/bindings/pci/qcom,pcie-sm8250.yaml | 9 +-
.../devicetree/bindings/pci/qcom,pcie-sm8350.yaml | 9 +-
.../devicetree/bindings/pci/qcom,pcie.yaml | 65 ++-
.../devicetree/bindings/pci/rcar-pci-ep.yaml | 34 +-
.../devicetree/bindings/pci/rcar-pci-host.yaml | 46 +--
.../bindings/pci/rockchip-dw-pcie-common.yaml | 10 +-
.../devicetree/bindings/pci/rockchip-dw-pcie.yaml | 60 ++-
.../devicetree/bindings/pci/sifive,fu740-pcie.yaml | 2 +-
.../bindings/pci/snps,dw-pcie-common.yaml | 3 +-
.../devicetree/bindings/pci/snps,dw-pcie.yaml | 4 +-
.../devicetree/bindings/pci/v3,v360epc-pci.yaml | 100 +++++
.../devicetree/bindings/pci/v3-v360epc-pci.txt | 76 ----
.../devicetree/bindings/pci/xilinx-versal-cpm.yaml | 112 +++---
Documentation/driver-api/driver-model/devres.rst | 3 +-
MAINTAINERS | 50 +--
arch/arm64/Kconfig.platforms | 2 +-
arch/x86/pci/Makefile | 6 +-
arch/x86/pci/{intel_mid_pci.c => intel_mid.c} | 0
drivers/accel/qaic/Kconfig | 1 -
drivers/block/mtip32xx/mtip32xx.c | 7 +-
drivers/firewire/Kconfig | 2 +-
drivers/gpu/drm/Kconfig | 2 +-
drivers/gpu/drm/amd/amdgpu/Kconfig | 3 +-
drivers/gpu/drm/ast/Kconfig | 2 +-
drivers/gpu/drm/gma500/Kconfig | 2 +-
drivers/gpu/drm/hisilicon/hibmc/Kconfig | 1 -
drivers/gpu/drm/loongson/Kconfig | 2 +-
drivers/gpu/drm/mgag200/Kconfig | 2 +-
drivers/gpu/drm/nouveau/Kconfig | 3 +-
drivers/gpu/drm/qxl/Kconfig | 2 +-
drivers/gpu/drm/radeon/Kconfig | 2 +-
drivers/gpu/drm/tiny/Kconfig | 2 +-
drivers/gpu/drm/vmwgfx/Kconfig | 2 +-
drivers/gpu/drm/xe/Kconfig | 2 +-
drivers/iommu/amd/init.c | 3 -
drivers/net/ethernet/broadcom/Kconfig | 1 -
drivers/net/wireless/ath/ath11k/Kconfig | 2 +-
drivers/net/wireless/ath/ath12k/Kconfig | 2 +-
drivers/pci/Kconfig | 1 +
drivers/pci/bus.c | 4 +-
drivers/pci/controller/Kconfig | 8 +-
drivers/pci/controller/cadence/Kconfig | 16 +-
drivers/pci/controller/cadence/pci-j721e.c | 40 +-
drivers/pci/controller/cadence/pcie-cadence-ep.c | 36 +-
drivers/pci/controller/cadence/pcie-cadence-host.c | 124 +++++-
drivers/pci/controller/cadence/pcie-cadence.c | 12 +
drivers/pci/controller/cadence/pcie-cadence.h | 25 +-
drivers/pci/controller/dwc/pci-dra7xx.c | 4 +-
drivers/pci/controller/dwc/pci-exynos.c | 4 +-
drivers/pci/controller/dwc/pci-imx6.c | 213 ++++++++--
drivers/pci/controller/dwc/pci-keystone.c | 5 +-
drivers/pci/controller/dwc/pci-meson.c | 6 +-
drivers/pci/controller/dwc/pcie-armada8k.c | 6 +-
.../pci/controller/dwc/pcie-designware-debugfs.c | 252 +++++++++++-
drivers/pci/controller/dwc/pcie-designware-ep.c | 30 +-
drivers/pci/controller/dwc/pcie-designware-host.c | 81 +++-
drivers/pci/controller/dwc/pcie-designware.c | 29 +-
drivers/pci/controller/dwc/pcie-designware.h | 32 +-
drivers/pci/controller/dwc/pcie-dw-rockchip.c | 102 +++--
drivers/pci/controller/dwc/pcie-hisi.c | 1 +
drivers/pci/controller/dwc/pcie-histb.c | 9 +-
drivers/pci/controller/dwc/pcie-keembay.c | 2 +-
drivers/pci/controller/dwc/pcie-kirin.c | 7 +-
drivers/pci/controller/dwc/pcie-qcom-ep.c | 10 +-
drivers/pci/controller/dwc/pcie-qcom.c | 7 +-
drivers/pci/controller/dwc/pcie-rcar-gen4.c | 3 +-
drivers/pci/controller/dwc/pcie-spear13xx.c | 7 +-
drivers/pci/controller/dwc/pcie-tegra194.c | 23 +-
drivers/pci/controller/dwc/pcie-uniphier.c | 2 +-
drivers/pci/controller/dwc/pcie-visconti.c | 4 +-
.../pci/controller/mobiveil/pcie-layerscape-gen4.c | 12 +-
drivers/pci/controller/mobiveil/pcie-mobiveil.h | 2 +-
drivers/pci/controller/pci-host-common.c | 30 +-
drivers/pci/controller/pci-host-common.h | 20 +
drivers/pci/controller/pci-host-generic.c | 2 +
drivers/pci/controller/pci-mvebu.c | 26 +-
drivers/pci/controller/pci-thunder-ecam.c | 2 +
drivers/pci/controller/pci-thunder-pem.c | 1 +
drivers/pci/controller/pcie-apple.c | 247 ++++++++----
drivers/pci/controller/pcie-rcar-ep.c | 8 +-
drivers/pci/controller/pcie-rockchip-ep.c | 10 +-
drivers/pci/controller/pcie-rockchip.h | 7 +-
drivers/pci/controller/plda/pcie-microchip-host.c | 1 +
drivers/pci/devres.c | 225 ++---------
drivers/pci/ecam.c | 2 +
drivers/pci/endpoint/functions/pci-epf-vntb.c | 26 +-
drivers/pci/endpoint/pci-epc-core.c | 26 +-
drivers/pci/endpoint/pci-epf-core.c | 22 +-
drivers/pci/hotplug/pci_hotplug_core.c | 73 +++-
drivers/pci/hotplug/pciehp.h | 1 +
drivers/pci/hotplug/pciehp_core.c | 29 --
drivers/pci/hotplug/pciehp_ctrl.c | 2 +-
drivers/pci/hotplug/pciehp_hpc.c | 78 ++--
drivers/pci/iomap.c | 16 -
drivers/pci/of.c | 44 +++
drivers/pci/pci-acpi.c | 23 +-
drivers/pci/pci-driver.c | 8 +-
drivers/pci/pci-sysfs.c | 4 +
drivers/pci/pci.c | 88 ++---
drivers/pci/pci.h | 75 +++-
drivers/pci/pcie/aer.c | 438 +++++++++++++++------
drivers/pci/pcie/bwctrl.c | 86 +---
drivers/pci/pcie/dpc.c | 73 ++--
drivers/pci/pcie/err.c | 1 -
drivers/pci/pcie/ptm.c | 300 ++++++++++++++
drivers/pci/pcie/tlp.c | 6 +-
drivers/pci/probe.c | 3 +-
drivers/pci/pwrctrl/Kconfig | 22 +-
drivers/pci/pwrctrl/Makefile | 8 +-
drivers/pci/pwrctrl/core.c | 2 +
drivers/pci/quirks.c | 33 +-
drivers/pci/setup-bus.c | 16 +-
drivers/pcmcia/cardbus.c | 1 -
drivers/scsi/bnx2fc/Kconfig | 1 -
drivers/scsi/bnx2i/Kconfig | 1 -
drivers/vfio/pci/Kconfig | 2 +-
include/linux/pci-ecam.h | 6 -
include/linux/pci-epc.h | 11 +-
include/linux/pci-epf.h | 3 +
include/linux/pci.h | 64 ++-
include/linux/pm_runtime.h | 2 +
include/uapi/linux/pci_regs.h | 12 +-
148 files changed, 3401 insertions(+), 2220 deletions(-)
create mode 100644 Documentation/ABI/testing/debugfs-pcie-ptm
rename Documentation/ABI/testing/{sysfs-bus-pci-devices-aer_stats => sysfs-bus-pci-devices-aer} (72%)
create mode 100644 Documentation/PCI/controller/index.rst
create mode 100644 Documentation/PCI/controller/rcar-pcie-firmware.rst
create mode 100644 Documentation/devicetree/bindings/pci/marvell,armada8k-pcie.yaml
create mode 100644 Documentation/devicetree/bindings/pci/marvell,kirkwood-pcie.yaml
delete mode 100644 Documentation/devicetree/bindings/pci/mvebu-pci.txt
delete mode 100644 Documentation/devicetree/bindings/pci/pci-armada8k.txt
delete mode 100644 Documentation/devicetree/bindings/pci/pci-iommu.txt
delete mode 100644 Documentation/devicetree/bindings/pci/pci-msi.txt
delete mode 100644 Documentation/devicetree/bindings/pci/pci.txt
create mode 100644 Documentation/devicetree/bindings/pci/v3,v360epc-pci.yaml
delete mode 100644 Documentation/devicetree/bindings/pci/v3-v360epc-pci.txt
rename arch/x86/pci/{intel_mid_pci.c => intel_mid.c} (100%)
create mode 100644 drivers/pci/controller/pci-host-common.h
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