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From: sathyanarayanan.kuppuswamy@linux.intel.com
To: bhelgaas@google.com
Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	ashok.raj@intel.com, sathyanarayanan.kuppuswamy@linux.intel.com
Subject: [PATCH v5 0/4] Simplify PCIe native ownership detection logic
Date: Sun,  7 Jun 2020 09:19:57 -0700	[thread overview]
Message-ID: <cover.1591545462.git.sathyanarayanan.kuppuswamy@linux.intel.com> (raw)

From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>

Currently, PCIe capabilities ownership status is detected by
verifying the status of pcie_ports_native, pcie_ports_dpc_native
and _OSC negotiated results (cached in  struct pci_host_bridge
->native_* members). But this logic can be simplified, and we can
use only struct pci_host_bridge ->native_* members to detect it. 

This patchset removes the distributed checks for pcie_ports_native,
pcie_ports_dpc_native parameters.

Changes since v4:
 * Changed the patch set title (Original link: https://lkml.org/lkml/2020/5/26/1710)
 * Added AER/DPC dependency logic cleanup fixes.
 
Kuppuswamy Sathyanarayanan (4):
  ACPI/PCI: Ignore _OSC negotiation result if pcie_ports_native is set.
  ACPI/PCI: Ignore _OSC DPC negotiation result if pcie_ports_dpc_native
    is set.
  PCI/portdrv: Remove redundant pci_aer_available() check in DPC enable
    logic
  PCI/DPC: Move AER/DPC dependency checks out of DPC driver

 drivers/acpi/pci_root.c           | 28 ++++++++++++++++------------
 drivers/pci/hotplug/pciehp_core.c |  2 +-
 drivers/pci/pci-acpi.c            |  3 ---
 drivers/pci/pcie/aer.c            |  2 +-
 drivers/pci/pcie/dpc.c            |  4 +---
 drivers/pci/pcie/portdrv.h        |  2 --
 drivers/pci/pcie/portdrv_core.c   | 13 +++++--------
 drivers/pci/probe.c               |  4 +++-
 include/linux/pci.h               |  2 ++
 9 files changed, 29 insertions(+), 31 deletions(-)

-- 
2.17.1


             reply	other threads:[~2020-06-07 16:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-07 16:19 sathyanarayanan.kuppuswamy [this message]
2020-06-07 16:19 ` [PATCH v5 1/4] ACPI/PCI: Ignore _OSC negotiation result if pcie_ports_native is set sathyanarayanan.kuppuswamy
2020-06-07 16:19 ` [PATCH v5 2/4] ACPI/PCI: Ignore _OSC DPC negotiation result if pcie_ports_dpc_native " sathyanarayanan.kuppuswamy
2020-06-07 16:20 ` [PATCH v5 3/4] PCI/portdrv: Remove redundant pci_aer_available() check in DPC enable logic sathyanarayanan.kuppuswamy
2020-06-07 16:20 ` [PATCH v5 4/4] PCI/DPC: Move AER/DPC dependency checks out of DPC driver sathyanarayanan.kuppuswamy

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