linux-kernel - [PATCH v2 00/13] PCI: Simplify PCIe port driver

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Date:   Fri, 09 Mar 2018 12:59:49 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     linux-pci@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>, linux-pm@...r.kernel.org,
        Keith Busch <keith.busch@...el.com>,
        Sinan Kaya <okaya@...eaurora.org>,
        Lukas Wunner <lukas@...ner.de>,
        Frederick Lawler <fred@...dlawl.com>
Subject: [PATCH v2 00/13] PCI: Simplify PCIe port driver

This is an attempt to move a few things out of the port driver.

I added these new patches since v1:

  Merge pcieport_if.h into portdrv.h
    Merge pcieport_if.h and portdrv.h to reduce clutter

  Remove unnecessary "pcie_ports=auto" parameter
    This is the default setting anyway, so specifying the parameter doesn't
    do anything.

  Encapsulate pcie_ports_auto inside the port driver
    "pcie_ports_auto" was declared in linux/pci.h even though nobody
    outside the port driver used it.

  Rename and reverse sense of pcie_ports_auto
    "pcie_ports_auto" is connected with the "pcie_ports=native" parameter,
    so rename it to match.

Other changes since v1:
  - Rebase onto my pci/portdrv branch.
  - Rename pcie_resume_early() to pcie_pme_root_status_cleanup() as
    suggested by Rafael.
  - Add Rafael's Reviewed-by tags.

v1: https://lkml.kernel.org/r/152040297576.240786.1532465558381209070.stgit@bhelgaas-glaptop.roam.corp.google.com

---

Bjorn Helgaas (13):
      PCI/portdrv: Merge pcieport_if.h into portdrv.h
      PCI/PM: Move pcie_clear_root_pme_status() to core
      PCI/PM: Clear PCIe PME Status bit in core, not PCIe port driver
      PCI/PM: Clear PCIe PME Status bit for Root Complex Event Collectors
      PCI/portdrv: Disable port driver in compat mode
      PCI/portdrv: Remove pcie_port_bus_type link order dependency
      PCI/portdrv: Remove unused PCIE_PORT_SERVICE_VC
      PCI/portdrv: Simplify PCIe feature permission checking
      PCI/portdrv: Remove unnecessary include of <linux/pci-aspm.h>
      PCI/portdrv: Remove "pcie_hp=nomsi" kernel parameter
      PCI/portdrv: Remove unnecessary "pcie_ports=auto" parameter
      PCI/portdrv: Encapsulate pcie_ports_auto inside the port driver
      PCI/portdrv: Rename and reverse sense of pcie_ports_auto


 Documentation/admin-guide/kernel-parameters.txt |   19 ++---
 drivers/acpi/pci_root.c                         |   13 +++
 drivers/pci/hotplug/pciehp.h                    |    2 -
 drivers/pci/pci-driver.c                        |   59 +++++++++++++++
 drivers/pci/pci.c                               |    9 ++
 drivers/pci/pci.h                               |    1 
 drivers/pci/pcie/Makefile                       |    3 -
 drivers/pci/pcie/aer/aerdrv.h                   |    2 -
 drivers/pci/pcie/pcie-dpc.c                     |    2 -
 drivers/pci/pcie/pcieport_if.h                  |   71 -------------------
 drivers/pci/pcie/pme.c                          |    1 
 drivers/pci/pcie/portdrv.h                      |   88 ++++++++++++++++-------
 drivers/pci/pcie/portdrv_acpi.c                 |    3 -
 drivers/pci/pcie/portdrv_bus.c                  |   56 ---------------
 drivers/pci/pcie/portdrv_core.c                 |   73 +++++++------------
 drivers/pci/pcie/portdrv_pci.c                  |   54 ++------------
 drivers/pci/probe.c                             |   10 +++
 include/linux/pci.h                             |    5 +
 18 files changed, 198 insertions(+), 273 deletions(-)
 delete mode 100644 drivers/pci/pcie/pcieport_if.h
 delete mode 100644 drivers/pci/pcie/portdrv_bus.c