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Merge tag 'pci-v6.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Add locking to read/modify/write PCIe Capability Register accessors
for Link Control and Root Control
- Use pci_dev_id() when possible instead of manually composing ID
from dev->bus->number and dev->devfn
Resource management:
- Move prototypes for __weak sysfs resource files to linux/pci.h to
fix 'no previous prototype' warnings
- Make more I/O port accesses depend on HAS_IOPORT
- Use devm_platform_get_and_ioremap_resource() instead of open-coding
platform_get_resource() followed by devm_ioremap_resource()
Power management:
- Ensure devices are powered up while accessing VPD
- If device is powered-up, keep it that way while polling for PME
- Only read PCI_PM_CTRL register when available, to avoid reading the
wrong register and corrupting dev->current_state
Virtualization:
- Avoid Secondary Bus Reset on NVIDIA T4 GPUs
Error handling:
- Remove unused pci_disable_pcie_error_reporting()
- Unexport pci_enable_pcie_error_reporting(), used only by aer.c
- Unexport pcie_port_bus_type, used only by PCI core
VGA:
- Simplify and clean up typos in VGA arbiter
Apple PCIe controller driver:
- Initialize pcie->nvecs (number of available MSIs) before use
Broadcom iProc PCIe controller driver:
- Use of_property_read_bool() instead of low-level accessors for
boolean properties
Broadcom STB PCIe controller driver:
- Assert PERST# when probing BCM2711 because some bootloaders don't
do it
Freescale i.MX6 PCIe controller driver:
- Add .host_deinit() callback so we can clean up things like
regulators on probe failure or driver unload
Freescale Layerscape PCIe controller driver:
- Add support for link-down notification so the endpoint driver can
process LINK_DOWN events
- Add suspend/resume support, including manual
PME_Turn_off/PME_TO_Ack handshake
- Save Link Capabilities during probe so they can be restored when
handling a link-up event, since the controller loses the Link Width
and Link Speed values during reset
Intel VMD host bridge driver:
- Fix disable of bridge windows during domain reset; previously we
cleared the base/limit registers, which actually left the windows
enabled
Marvell MVEBU PCIe controller driver:
- Remove unused busn member
Microchip PolarFlare PCIe controller driver:
- Fix interrupt bit definitions so the SEC and DED interrupt handlers
work correctly
- Make driver buildable as a module
- Read FPGA MSI configuration parameters from hardware instead of
hard-coding them
Microsoft Hyper-V host bridge driver:
- To avoid a NULL pointer dereference, skip MSI restore after
hibernate if MSI/MSI-X hasn't been enabled
NVIDIA Tegra194 PCIe controller driver:
- Revert 'PCI: tegra194: Enable support for 256 Byte payload' because
Linux doesn't know how to reduce MPS from to 256 to 128 bytes for
endpoints below a switch (because other devices below the switch
might already be operating), which leads to 'Malformed TLP' errors
Qualcomm PCIe controller driver:
- Add DT and driver support for interconnect bandwidth voting for
'pcie-mem' and 'cpu-pcie' interconnects
- Fix broken SDX65 'compatible' DT property
- Configure controller so MHI bus master clock will be switched off
while in ASPM L1.x states
- Use alignment restriction from EPF core in EPF MHI driver
- Add Endpoint eDMA support
- Add MHI eDMA support
- Add Snapdragon SM8450 support to the EPF MHI driversupport
- Add MHI eDMA support
- Add Snapdragon SM8450 support to the EPF MHI driversupport
- Add MHI eDMA support
- Add Snapdragon SM8450 support to the EPF MHI driversupport
- Add MHI eDMA support
- Add Snapdragon SM8450 support to the EPF MHI driver
- Use iATU for EPF MHI transfers smaller than 4K to avoid eDMA setup
latency
- Add sa8775p DT binding and driver support
Rockchip PCIe controller driver:
- Use 64-bit mask on MSI 64-bit PCI address to avoid zeroing out the
upper 32 bits
SiFive FU740 PCIe controller driver:
- Set the supported number of MSI vectors so we can use all available
MSI interrupts
Synopsys DesignWare PCIe controller driver:
- Add generic dwc suspend/resume APIs (dw_pcie_suspend_noirq() and
dw_pcie_resume_noirq()) to be called by controller driver
suspend/resume ops, and a controller callback to send PME_Turn_Off
MicroSemi Switchtec management driver:
- Add support for PCIe Gen5 devices
Miscellaneous:
- Reorder and compress to reduce size of struct pci_dev
- Fix race in DOE destroy_work_on_stack()
- Add stubs to avoid casts between incompatible function types
- Explicitly include correct DT includes to untangle headers"
* tag 'pci-v6.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (96 commits)
PCI: qcom-ep: Add ICC bandwidth voting support
dt-bindings: PCI: qcom: ep: Add interconnects path
PCI: qcom-ep: Treat unknown IRQ events as an error
dt-bindings: PCI: qcom: Fix SDX65 compatible
PCI: endpoint: Add kernel-doc for pci_epc_mem_init() API
PCI: epf-mhi: Use iATU for small transfers
PCI: epf-mhi: Add support for SM8450
PCI: epf-mhi: Add eDMA support
PCI: qcom-ep: Add eDMA support
PCI: epf-mhi: Make use of the alignment restriction from EPF core
PCI/PM: Only read PCI_PM_CTRL register when available
PCI: qcom: Add support for sa8775p SoC
dt-bindings: PCI: qcom: Add sa8775p compatible
PCI: qcom-ep: Pass alignment restriction to the EPF core
PCI: Simplify pcie_capability_clear_and_set_word() control flow
PCI: Tidy config space save/restore messages
PCI: Fix code formatting inconsistencies
PCI: Fix typos in docs and comments
PCI: Fix pci_bus_resetable(), pci_slot_resetable() name typos
PCI: Simplify pci_dev_driver()
...
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