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[5.15,00/30] PCIe Aardvark controller backports for 5.15

Message ID 20220504165755.30002-1-kabel@kernel.org
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Series PCIe Aardvark controller backports for 5.15 | expand

Message

Marek Behún May 4, 2022, 4:57 p.m. UTC 
Hello Greg, Sasha,

this is backport of all the recet changes for the Aardvark PCIe controller
for 5.15.
These include
- memory leak fix in driver unbind
- more complete driver unbind
- fixes for MSI support
- add MSI-X support, which fixes support for some cards
- add ERR interrupt support (which we really missed when debugging)

I also included some small cosmetic changes - this will make it easier
to backport next fixes for the driver (there is another batch pending
on linux-pci).

Marek

Marek Behún (5):
  PCI: aardvark: Make MSI irq_chip structures static driver structures
  PCI: aardvark: Make msi_domain_info structure a static driver
    structure
  PCI: aardvark: Use dev_fwnode() instead of
    of_node_to_fwnode(dev->of_node)
  PCI: aardvark: Drop __maybe_unused from advk_pcie_disable_phy()
  PCI: aardvark: Update comment about link going down after link-up

Pali Rohár (25):
  PCI: pci-bridge-emul: Add description for class_revision field
  PCI: pci-bridge-emul: Add definitions for missing capabilities
    registers
  PCI: aardvark: Add support for DEVCAP2, DEVCTL2, LNKCAP2 and LNKCTL2
    registers on emulated bridge
  PCI: aardvark: Clear all MSIs at setup
  PCI: aardvark: Comment actions in driver remove method
  PCI: aardvark: Disable bus mastering when unbinding driver
  PCI: aardvark: Mask all interrupts when unbinding driver
  PCI: aardvark: Fix memory leak in driver unbind
  PCI: aardvark: Assert PERST# when unbinding driver
  PCI: aardvark: Disable link training when unbinding driver
  PCI: aardvark: Disable common PHY when unbinding driver
  PCI: aardvark: Replace custom PCIE_CORE_INT_* macros with
    PCI_INTERRUPT_*
  PCI: aardvark: Rewrite IRQ code to chained IRQ handler
  PCI: aardvark: Check return value of generic_handle_domain_irq() when
    processing INTx IRQ
  PCI: aardvark: Refactor unmasking summary MSI interrupt
  PCI: aardvark: Add support for masking MSI interrupts
  PCI: aardvark: Fix setting MSI address
  PCI: aardvark: Enable MSI-X support
  PCI: aardvark: Add support for ERR interrupt on emulated bridge
  PCI: aardvark: Optimize writing PCI_EXP_RTCTL_PMEIE and
    PCI_EXP_RTSTA_PME on emulated bridge
  PCI: aardvark: Add support for PME interrupts
  PCI: aardvark: Fix support for PME requester on emulated bridge
  PCI: aardvark: Use separate INTA interrupt for emulated root bridge
  PCI: aardvark: Remove irq_mask_ack() callback for INTx interrupts
  PCI: aardvark: Don't mask irq when mapping

 drivers/pci/controller/pci-aardvark.c | 428 +++++++++++++++++++-------
 drivers/pci/pci-bridge-emul.c         |  49 ++-
 2 files changed, 371 insertions(+), 106 deletions(-)