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Message-ID: <20240313145930.GA918008@bhelgaas>
Date: Wed, 13 Mar 2024 09:59:30 -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 <manivannan.sadhasivam@...aro.org>,
Krzysztof Wilczyński <kwilczynski@...nel.org>
Subject: [GIT PULL] PCI changes for v6.9
The following changes since commit 6613476e225e090cc9aad49be7fa504e290dd33d:
Linux 6.8-rc1 (2024-01-21 14:11:32 -0800)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git tags/pci-v6.9-changes
for you to fetch changes up to aabf7173cdfed20ba8677548b601ee6d966712aa:
Merge branch 'pci/controller/qcom' (2024-03-12 12:14:26 -0500)
----------------------------------------------------------------
Enumeration:
- Consolidate interrupt related code in irq.c (Ilpo Järvinen)
- Reduce kernel size by replacing sysfs resource macros with functions
(Ilpo Järvinen)
- Reduce kernel size by compiling sysfs support only when CONFIG_SYSFS=y
(Lukas Wunner)
- Avoid using Extended Tags on 3ware-9650SE Root Port to work around an
apparent hardware defect (Jörg Wedekind)
Resource management:
- Fix an MMIO mapping leak in pci_iounmap() (Philipp Stanner)
- Move pci_iomap.c and other PCI-specific devres code to drivers/pci
(Philipp Stanner)
- Consolidate PCI devres code in devres.c (Philipp Stanner)
Power management:
- Avoid D3cold on Asus B1400 PCI-NVMe bridge, where firmware doesn't know
how to return correctly to D0, and remove previous quirk that wasn't as
specific (Daniel Drake)
- Allow runtime PM when the driver enables it but doesn't need any
runtime PM callbacks (Raag Jadav)
- Drain runtime-idle callbacks before driver removal to avoid races
between .remove() and .runtime_idle(), which caused intermittent page
faults when the rtsx .runtime_idle() accessed registers that its
.remove() had already unmapped (Rafael J. Wysocki)
Virtualization:
- Avoid Secondary Bus Reset on LSI FW643 so it can be assigned to VMs
with VFIO, e.g., for professional audio software on many Apple
machines, at the cost of leaking state between VMs (Edmund Raile)
Error handling:
- Print all logged TLP Prefixes, not just the first, after AER or DPC
errors (Ilpo Järvinen)
- Quirk the DPC PIO log size for Intel Raptor Lake Root Ports, which
still don't advertise a legal size (Paul Menzel)
- Ignore expected DPC Surprise Down errors on hot removal (Smita
Koralahalli)
- Block runtime suspend while handling AER errors to avoid races that
prevent the device form being resumed from D3hot (Stanislaw Gruszka)
Peer-to-peer DMA:
- Use atomic XA allocation in RCU read section (Christophe JAILLET)
ASPM:
- Collect bits of ASPM-related code that we need even without
CONFIG_PCIEASPM into aspm.c (David E. Box)
- Save/restore L1 PM Substates config for suspend/resume (David E. Box)
- Update save_save when ASPM config is changed, so a .slot_reset() during
error recovery restores the changed config, not the .probe()-time
config (Vidya Sagar)
Endpoint framework:
- Refactor and improve pci_epf_alloc_space() API (Niklas Cassel)
- Clean up endpoint BAR descriptions (Niklas Cassel)
- Fix ntb_register_device() name leak in error path (Yang Yingliang)
- Return actual error code for pci_vntb_probe() failure (Yang Yingliang)
Broadcom STB PCIe controller driver:
- Fix MDIO write polling, which previously never waited for completion
(Jonathan Bell)
Cadence PCIe endpoint driver:
- Clear the ARI "Next Function Number" of last function (Jasko-EXT
Wojciech)
Freescale i.MX6 PCIe controller driver:
- Simplify by replacing switch statements with function pointers for
different hardware variants (Frank Li)
- Simplify by using clk_bulk*() API (Frank Li)
- Remove redundant DT clock and reg/reg-name details (Frank Li)
- Add i.MX95 DT and driver support for both Root Complex and Endpoint
mode (Frank Li)
Microsoft Hyper-V host bridge driver:
- Reduce memory usage by limiting ring buffer size to 16KB instead of 4
pages (Michael Kelley)
Qualcomm PCIe controller driver:
- Add X1E80100 DT and driver support (Abel Vesa)
- Add DT 'required-opps' for SoCs that require a minimum performance
level (Johan Hovold)
- Make DT 'msi-map-mask' optional, depending on how MSI interrupts are
mapped (Johan Hovold)
- Disable ASPM L0s for sc8280xp, sa8540p and sa8295p because the PHY
configuration isn't tuned correctly for L0s (Johan Hovold)
- Split dt-binding qcom,pcie.yaml into qcom,pcie-common.yaml and separate
files for SA8775p, SC7280, SC8180X, SC8280XP, SM8150, SM8250, SM8350,
SM8450, SM8550 for easier reviewing (Krzysztof Kozlowski)
- Enable BDF to SID translation by disabling bypass mode (Manivannan
Sadhasivam)
- Add endpoint MHI support for Snapdragon SA8775P SoC (Mrinmay Sarkar)
Synopsys DesignWare PCIe controller driver:
- Allocate 64-bit MSI address if no 32-bit address is available (Ajay
Agarwal)
- Fix endpoint Resizable BAR to actually advertise the required 1MB size
(Niklas Cassel)
MicroSemi Switchtec management driver:
- Release resources if the .probe() fails (Christophe JAILLET)
Miscellaneous:
- Make pcie_port_bus_type const (Ricardo B. Marliere)
----------------------------------------------------------------
Abel Vesa (2):
dt-bindings: PCI: qcom: Document the X1E80100 PCIe Controller
PCI: qcom: Add X1E80100 PCIe support
Ajay Agarwal (1):
PCI: dwc: Strengthen the MSI address allocation logic
Bjorn Helgaas (19):
PCI/ASPM: Disable L1 before configuring L1 Substates
Merge branch 'pci/aer'
Merge branch 'pci/aspm'
Merge branch 'pci/devres'
Merge branch 'pci/dpc'
Merge branch 'pci/enumeration'
Merge branch 'pci/p2pdma'
Merge branch 'pci/pm'
Merge branch 'pci/switchtec'
Merge branch 'pci/sysfs'
Merge branch 'pci/virtualization'
Merge branch 'pci/endpoint'
Merge branch 'pci/misc'
Merge branch 'pci/controller/broadcom'
Merge branch 'pci/controller/cadence'
Merge branch 'pci/controller/dwc'
Merge branch 'pci/controller/hyperv'
Merge branch 'pci/controller/imx'
Merge branch 'pci/controller/qcom'
Christophe JAILLET (2):
PCI/P2PDMA: Fix a sleeping issue in a RCU read section
PCI: switchtec: Fix an error handling path in switchtec_pci_probe()
Daniel Drake (2):
PCI: Disable D3cold on Asus B1400 PCI-NVMe bridge
Revert "ACPI: PM: Block ASUS B1400CEAE from suspend to idle by default"
David E. Box (5):
PCI/ASPM: Move pci_configure_ltr() to aspm.c
PCI/ASPM: Always build aspm.c
PCI/ASPM: Move pci_save_ltr_state() to aspm.c
PCI/ASPM: Save L1 PM Substates Capability for suspend/resume
PCI/ASPM: Call pci_save_ltr_state() from pci_save_pcie_state()
Edmund Raile (1):
PCI: Mark LSI FW643 to avoid bus reset
Frank Li (13):
PCI: imx6: Simplify clock handling by using clk_bulk*() function
PCI: imx6: Simplify PHY handling by using IMX6_PCIE_FLAG_HAS_PHYDRV
PCI: imx6: Simplify reset handling by using *_FLAG_HAS_*_RESET
PCI: imx6: Simplify ltssm_enable() by using ltssm_off and ltssm_mask
PCI: imx6: Simplify configure_type() by using mode_off and mode_mask
PCI: imx6: Simplify switch-case logic by introducing init_phy() callback
dt-bindings: imx6q-pcie: Clean up duplicate clocks check
dt-bindings: imx6q-pcie: Restruct reg and reg-name
PCI: imx6: Add iMX95 PCIe Root Complex support
PCI: imx6: Clean up addr_space retrieval code
PCI: imx6: Add epc_features in imx6_pcie_drvdata
dt-bindings: imx6q-pcie: Add iMX95 pcie endpoint compatible string
PCI: imx6: Add iMX95 Endpoint (EP) support
Ilpo Järvinen (5):
PCI/DPC: Print all TLP Prefixes, not just the first
PCI: Place interrupt related code into irq.c
PCI/sysfs: Demacrofy pci_dev_resource_resize_attr(n) functions
PCI/AER: Use explicit register size for PCI_ERR_CAP
PCI/AER: Generalize TLP Header Log reading
Jasko-EXT Wojciech (1):
PCI: cadence: Clear the ARI Capability Next Function Number of the last function
Johan Hovold (5):
PCI/AER: Fix rootport attribute paths in ABI docs
PCI/AER: Clean up version indentation in ABI docs
dt-bindings: PCI: qcom: Allow 'required-opps'
dt-bindings: PCI: qcom: Do not require 'msi-map-mask'
PCI: qcom: Disable ASPM L0s for sc8280xp, sa8540p and sa8295p
Jonathan Bell (1):
PCI: brcmstb: Fix broken brcm_pcie_mdio_write() polling
Jörg Wedekind (1):
PCI: Mark 3ware-9650SE Root Port Extended Tags as broken
Krzysztof Kozlowski (9):
dt-bindings: PCI: qcom,pcie-sm8550: Move SM8550 to dedicated schema
dt-bindings: PCI: qcom,pcie-sm8450: Move SM8450 to dedicated schema
dt-bindings: PCI: qcom,pcie-sm8250: Move SM8250 to dedicated schema
dt-bindings: PCI: qcom,pcie-sm8150: Move SM8150 to dedicated schema
dt-bindings: PCI: qcom,pcie-sm8350: Move SM8350 to dedicated schema
dt-bindings: PCI: qcom,pcie-sc8280xp: Move SC8280XP to dedicated schema
dt-bindings: PCI: qcom,pcie-sc8180x: Move SC8180X to dedicated schema
dt-bindings: PCI: qcom,pcie-sc7280: Move SC7280 to dedicated schema
dt-bindings: PCI: qcom,pcie-sa8775p: Move SA8775p to dedicated schema
Lukas Wunner (2):
PCI/sysfs: Compile pci-sysfs.c only if CONFIG_SYSFS=y
PCI: Remove obsolete pci_cleanup_rom() declaration
Manivannan Sadhasivam (2):
PCI: epf-mhi: Add "pci_epf_mhi_" prefix to the function names
PCI: qcom: Enable BDF to SID translation properly
Michael Kelley (1):
PCI: hv: Fix ring buffer size calculation
Mrinmay Sarkar (1):
PCI: epf-mhi: Add support for SA8775P SoC
Niklas Cassel (7):
PCI: endpoint: Refactor pci_epf_alloc_space() API
PCI: endpoint: Improve pci_epf_alloc_space() API
PCI: endpoint: pci-epf-test: Remove superfluous checks for pci_epf_alloc_space() API
PCI: endpoint: pci-epf-vntb: Remove superfluous checks for pci_epf_alloc_space() API
PCI: endpoint: Clean up hardware description for BARs
PCI: endpoint: Drop only_64bit on reserved BARs
PCI: dwc: endpoint: Fix advertised resizable BAR size
Paul Menzel (1):
PCI/DPC: Quirk PIO log size for Intel Raptor Lake Root Ports
Philipp Stanner (4):
pci_iounmap(): Fix MMIO mapping leak
PCI: Move pci_iomap.c to drivers/pci/
PCI: Move PCI-specific devres code to drivers/pci/
PCI: Move devres code from pci.c to devres.c
Raag Jadav (1):
PCI/PM: Allow runtime PM with no PM callbacks at all
Rafael J. Wysocki (1):
PCI/PM: Drain runtime-idle callbacks before driver removal
Ricardo B. Marliere (2):
PCI: endpoint: Make pci_epf_bus_type const
PCI: Make pcie_port_bus_type const
Richard Zhu (1):
dt-bindings: imx6q-pcie: Add imx95 pcie compatible string
Smita Koralahalli (1):
PCI/DPC: Ignore Surprise Down error on hot removal
Stanislaw Gruszka (1):
PCI/AER: Block runtime suspend when handling errors
Vidya Sagar (1):
PCI/ASPM: Update save_state when configuration changes
Yang Yingliang (2):
NTB: fix possible name leak in ntb_register_device()
PCI: epf-vntb: Return actual error code during pci_vntb_probe() failure
.../ABI/testing/sysfs-bus-pci-devices-aer_stats | 18 +-
.../bindings/pci/fsl,imx6q-pcie-common.yaml | 17 +-
.../devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml | 46 +-
.../devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 49 +-
.../devicetree/bindings/pci/qcom,pcie-common.yaml | 100 ++++
.../devicetree/bindings/pci/qcom,pcie-sa8775p.yaml | 166 ++++++
.../devicetree/bindings/pci/qcom,pcie-sc7280.yaml | 166 ++++++
.../devicetree/bindings/pci/qcom,pcie-sc8180x.yaml | 170 ++++++
.../bindings/pci/qcom,pcie-sc8280xp.yaml | 180 ++++++
.../devicetree/bindings/pci/qcom,pcie-sm8150.yaml | 158 +++++
.../devicetree/bindings/pci/qcom,pcie-sm8250.yaml | 173 ++++++
.../devicetree/bindings/pci/qcom,pcie-sm8350.yaml | 184 ++++++
.../devicetree/bindings/pci/qcom,pcie-sm8450.yaml | 178 ++++++
.../devicetree/bindings/pci/qcom,pcie-sm8550.yaml | 171 ++++++
.../bindings/pci/qcom,pcie-x1e80100.yaml | 165 ++++++
.../devicetree/bindings/pci/qcom,pcie.yaml | 378 +-----------
Documentation/driver-api/device-io.rst | 3 -
Documentation/driver-api/pci/pci.rst | 6 +
MAINTAINERS | 1 -
arch/x86/pci/fixup.c | 48 ++
drivers/acpi/sleep.c | 12 -
drivers/firmware/efi/cper.c | 4 +-
drivers/ntb/core.c | 8 +-
drivers/pci/Kconfig | 5 +
drivers/pci/Makefile | 7 +-
drivers/pci/controller/cadence/pcie-cadence-ep.c | 14 +-
drivers/pci/controller/cadence/pcie-cadence.h | 6 +
drivers/pci/controller/dwc/pci-imx6.c | 636 ++++++++++++---------
drivers/pci/controller/dwc/pci-keystone.c | 12 +-
drivers/pci/controller/dwc/pci-layerscape-ep.c | 5 +-
drivers/pci/controller/dwc/pcie-designware-ep.c | 7 +-
drivers/pci/controller/dwc/pcie-designware-host.c | 21 +-
drivers/pci/controller/dwc/pcie-keembay.c | 8 +-
drivers/pci/controller/dwc/pcie-qcom.c | 42 +-
drivers/pci/controller/dwc/pcie-rcar-gen4.c | 4 +-
drivers/pci/controller/dwc/pcie-tegra194.c | 10 +-
drivers/pci/controller/dwc/pcie-uniphier-ep.c | 15 +-
drivers/pci/controller/pci-hyperv.c | 3 +-
drivers/pci/controller/pcie-brcmstb.c | 2 +-
drivers/pci/controller/pcie-rcar-ep.c | 14 +-
drivers/pci/devres.c | 448 +++++++++++++++
drivers/pci/endpoint/functions/pci-epf-mhi.c | 21 +-
drivers/pci/endpoint/functions/pci-epf-ntb.c | 6 +-
drivers/pci/endpoint/functions/pci-epf-test.c | 21 +-
drivers/pci/endpoint/functions/pci-epf-vntb.c | 25 +-
drivers/pci/endpoint/pci-epc-core.c | 25 +-
drivers/pci/endpoint/pci-epf-core.c | 20 +-
lib/pci_iomap.c => drivers/pci/iomap.c | 5 +-
drivers/pci/irq.c | 204 +++++++
drivers/pci/mmap.c | 29 +
drivers/pci/p2pdma.c | 2 +-
drivers/pci/pci-driver.c | 23 +-
drivers/pci/pci-sysfs.c | 167 +++---
drivers/pci/pci.c | 496 ++--------------
drivers/pci/pci.h | 55 +-
drivers/pci/pcie/Makefile | 2 +-
drivers/pci/pcie/aer.c | 20 +-
drivers/pci/pcie/aspm.c | 268 ++++++++-
drivers/pci/pcie/dpc.c | 76 ++-
drivers/pci/pcie/err.c | 20 +
drivers/pci/pcie/portdrv.h | 2 +-
drivers/pci/probe.c | 66 +--
drivers/pci/quirks.c | 11 +
drivers/pci/setup-irq.c | 64 ---
drivers/pci/switch/switchtec.c | 4 +-
include/linux/aer.h | 11 +-
include/linux/pci-epc.h | 39 +-
include/linux/pci-epf.h | 4 +-
include/linux/pci.h | 2 +-
include/ras/ras_event.h | 10 +-
lib/Kconfig | 3 -
lib/Makefile | 1 -
lib/devres.c | 208 +------
73 files changed, 3796 insertions(+), 1774 deletions(-)
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-common.yaml
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-sc7280.yaml
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-sc8180x.yaml
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-sc8280xp.yaml
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-sm8150.yaml
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-sm8250.yaml
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-sm8350.yaml
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-sm8450.yaml
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-sm8550.yaml
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml
create mode 100644 drivers/pci/devres.c
rename lib/pci_iomap.c => drivers/pci/iomap.c (99%)
delete mode 100644 drivers/pci/setup-irq.c
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