linux-stable/Documentation/driver-api
Linus Torvalds 705c1da8fa pci-v6.9-changes
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Merge tag 'pci-v6.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull PCI updates from Bjorn Helgaas:
 "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)"

* tag 'pci-v6.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (77 commits)
  PCI/ASPM: Update save_state when configuration changes
  PCI/ASPM: Disable L1 before configuring L1 Substates
  PCI/ASPM: Call pci_save_ltr_state() from pci_save_pcie_state()
  PCI/ASPM: Save L1 PM Substates Capability for suspend/resume
  PCI: hv: Fix ring buffer size calculation
  PCI: dwc: endpoint: Fix advertised resizable BAR size
  PCI: cadence: Clear the ARI Capability Next Function Number of the last function
  PCI: dwc: Strengthen the MSI address allocation logic
  PCI: brcmstb: Fix broken brcm_pcie_mdio_write() polling
  PCI: qcom: Add X1E80100 PCIe support
  dt-bindings: PCI: qcom: Document the X1E80100 PCIe Controller
  PCI: qcom: Enable BDF to SID translation properly
  PCI/AER: Generalize TLP Header Log reading
  PCI/AER: Use explicit register size for PCI_ERR_CAP
  PCI: qcom: Disable ASPM L0s for sc8280xp, sa8540p and sa8295p
  dt-bindings: PCI: qcom: Do not require 'msi-map-mask'
  dt-bindings: PCI: qcom: Allow 'required-opps'
  PCI/AER: Block runtime suspend when handling errors
  PCI/ASPM: Move pci_save_ltr_state() to aspm.c
  PCI/ASPM: Always build aspm.c
  ...
2024-03-14 10:58:27 -07:00
..
80211 wifi: mac80211: rename ieee80211_tx_status() to ieee80211_tx_status_skb() 2023-10-23 12:26:51 +02:00
acpi
backlight
crypto crypto: iaa - Add IAA Compression Accelerator Documentation 2023-12-15 17:52:53 +08:00
cxl Documentation: cxl: remove dangling kernel-doc reference 2022-08-05 08:41:02 -07:00
dmaengine Documentation: driver-api: correct spelling 2023-02-02 11:05:16 -07:00
driver-model spi: Updates for v6.9 2024-03-13 11:07:37 -07:00
early-userspace
firmware Driver core changes for 6.4-rc1 2023-04-27 11:53:57 -07:00
fpga docs: fpga: mgr: document parse_header() callback 2022-06-24 12:12:24 +08:00
gpio Documentation: gpio: consistently use logical line value terminology 2024-02-14 10:34:08 +01:00
hte hte: Re-phrase tegra API document 2023-04-26 15:43:19 -07:00
i3c i3c: Fix typo "Provisional ID" to "Provisioned ID" 2023-10-10 12:11:13 +02:00
iio
md Documentation: driver-api: correct spelling 2023-02-02 11:05:16 -07:00
media media updates for v6.8-rc1 2024-01-12 14:29:48 -08:00
mei docs: driver-api: properly format ToC headings 2023-11-17 13:05:26 -07:00
memory-devices
mmc
mtd docs: mtd: spi-nor: drop obsolete info 2023-11-24 22:11:19 +02:00
nfc Documentation: driver-api: correct spelling 2023-02-02 11:05:16 -07:00
nvdimm Documentation: driver-api: correct spelling 2023-02-02 11:05:16 -07:00
pci PCI: Move PCI-specific devres code to drivers/pci/ 2024-02-12 10:36:17 -06:00
phy phy: Add devm_of_phy_optional_get() helper 2023-02-03 10:52:49 +05:30
pldmfw Documentation: driver-api: correct spelling 2023-02-02 11:05:16 -07:00
pm
rapidio
serial Documentation: driver-api: correct spelling 2023-02-02 11:05:16 -07:00
soundwire
surface_aggregator lib: crc_ccitt_false() is identical to crc_itu_t() 2023-12-29 12:22:26 -08:00
thermal thermal: int340x: processor_thermal: Support power floor notifications 2023-10-12 21:09:48 +02:00
tty tty: fix kernel-doc for functions in tty.h 2023-10-03 14:31:15 +02:00
usb docs: driver-api: usb: update dma info 2023-10-05 09:35:12 +02:00
virtio docs: driver-api: virtio: commentize spec version checking 2023-02-20 19:26:57 -05:00
xilinx
aperture.rst drm: Implement DRM aperture helpers under video/ 2022-06-27 11:07:55 +02:00
auxiliary_bus.rst
basics.rst docs: time: make separate section for time and timers 2023-07-14 13:47:07 -06:00
clk.rst docs: clk: add documentation to log which clocks have been disabled 2023-04-20 17:53:38 -06:00
component.rst
connector.rst
console.rst
devfreq.rst
device-io.rst PCI: Move pci_iomap.c to drivers/pci/ 2024-02-12 10:35:40 -06:00
device_link.rst
dma-buf.rst doc: uapi: Add document describing dma-buf semantics 2023-08-21 18:20:05 +02:00
dpll.rst dpll: move all dpll<>netdev helpers to dpll code 2024-03-05 18:36:42 -08:00
edac.rst EDAC/amd64: Document heterogeneous system enumeration 2023-06-05 12:27:15 +02:00
eisa.rst Documentation: eisa: Fix typo 2022-11-15 14:52:38 -07:00
firewire.rst Documentation: fix firewire.rst ABI file path error 2022-01-20 17:01:32 -07:00
frame-buffer.rst
generic-counter.rst counter: Update documentation for new counter registration functions 2021-12-30 17:44:06 +01:00
hsi.rst Documentation: driver-api: correct spelling 2023-02-02 11:05:16 -07:00
i2c.rst
index.rst docs: rework the driver-api top-level page 2024-01-30 13:47:53 -07:00
infiniband.rst
infrastructure.rst docs: add more driver-model infrastructure interfaces 2023-07-14 13:18:50 -06:00
input.rst
interconnect.rst interconnect: Add debugfs test client 2023-08-22 21:04:50 +03:00
io-mapping.rst Documentation: driver-api: correct spelling 2023-02-02 11:05:16 -07:00
io_ordering.rst
ioctl.rst
ipmb.rst
ipmi.rst
isa.rst Remove duplicate words inside documentation 2022-09-27 13:21:43 -06:00
libata.rst ata: libata: remove deprecated EH callbacks 2023-08-02 17:45:42 +09:00
mailbox.rst
men-chameleon-bus.rst
message-based.rst
misc_devices.rst
miscellaneous.rst docs/driver-api/miscellaneous: Remove kernel-doc of serial_core.c 2022-11-09 14:56:05 +01:00
mtdnand.rst
ntb.rst ntb.rst: Fix copy and paste error 2023-07-08 11:05:05 -04:00
nvmem.rst docs: nvmem: remove function parameters (fixes hyperlink generation) 2023-12-08 15:35:35 -07:00
parport-lowlevel.rst
pin-control.rst It has been a moderately calm cycle for documentation; the significant 2023-02-22 12:00:20 -08:00
pps.rst Documentation: driver-api: pps: Update PPS generator documentation 2023-10-26 11:38:03 -06:00
ptp.rst docs: ptp.rst: Add information about NVIDIA Mellanox devices 2023-06-20 09:02:32 +01:00
pwm.rst pwm: Provide pwmchip_alloc() function and a devm variant of it 2024-02-15 12:59:15 +01:00
regulator.rst
reset.rst
rfkill.rst
s390-drivers.rst docs: move s390 under arch 2023-07-24 12:12:24 +02:00
scsi.rst
slimbus.rst
sm501.rst
spi.rst spi: Update reference to struct spi_controller 2022-11-01 18:30:09 +00:00
switchtec.rst
sync_file.rst
target.rst
tee.rst Documentation: Destage TEE subsystem documentation 2023-12-08 15:45:10 -07:00
uio-howto.rst
vfio-mediated-device.rst vfio-mdev: remove an non-existing driver from vfio-mediated-device 2023-01-23 11:26:29 -07:00
vfio-pci-device-specific-driver-acceptance.rst vfio-pci: Provide reviewers and acceptance criteria for variant drivers 2022-03-17 09:57:11 -06:00
vfio.rst docs: vfio: Add vfio device cdev description 2023-07-25 10:20:54 -06:00
vme.rst vme: move back to staging 2022-06-10 15:38:14 +02:00
w1.rst
wbrf.rst Documentation/driver-api: Add document about WBRF mechanism 2023-12-11 11:33:23 +01:00
wmi.rst platform/x86: wmi: Add documentation 2023-05-09 11:54:42 +02:00
xillybus.rst
zorro.rst