[PATCH v3 0/5] Add Error Disconnect Recover (EDR) support

[sathyanarayanan . kuppuswamy]

From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>

This patchset adds support for following features:

1. Error Disconnect Recover (EDR) support.
2. _OSC based negotiation support for DPC.

You can find EDR spec in the following link.

https://members.pcisig.com/wg/PCI-SIG/document/12614

Changes since v1:
 * Rebased on top of v5.1-rc1

Changes since v2:
 * Split EDR support patch into multiple patches.
 * Addressed Bjorn comments.

Kuppuswamy Sathyanarayanan (5):
  PCI/ACPI: Add _OSC based negotiation support for DPC
  PCI/DPC: Allow dpc_probe() even if DPC is handled in firmware
  PCI/DPC: Add dpc_process_error() wrapper function
  PCI/DPC: Add Error Disconnect Recover (EDR) support
  PCI/ACPI: Expose EDR support via _OSC to BIOS

 drivers/acpi/pci_root.c         |   9 ++
 drivers/pci/pcie/Kconfig        |  10 ++
 drivers/pci/pcie/dpc.c          | 265 ++++++++++++++++++++++++++++++--
 drivers/pci/pcie/portdrv_core.c |   8 +-
 drivers/pci/probe.c             |   1 +
 include/linux/acpi.h            |   6 +-
 include/linux/pci.h             |   1 +
 7 files changed, 282 insertions(+), 18 deletions(-)

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2.20.1