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authorBjorn Helgaas <bhelgaas@google.com>2018-04-04 13:27:58 -0500
committerBjorn Helgaas <helgaas@kernel.org>2018-04-04 13:27:58 -0500
commit64ae499cf2eece26bc395184aa2c9a18aa49d199 (patch)
tree808efedc05e071f6ca6205311643a38c07973bb8 /Documentation
parentac30aa596996a1e0bf1a8ff22bbdc24edaa24772 (diff)
parente02602bd76257e0368e4c3d4ce11a7ac86df72d2 (diff)
Merge branch 'pci/portdrv'
- move pcieport_if.h to drivers/pci/pcie/ to encapsulate it (Frederick Lawler) - merge pcieport_if.h into portdrv.h (Bjorn Helgaas) - move workaround for BIOS PME issue from portdrv to PCI core (Bjorn Helgaas) - completely disable portdrv with "pcie_ports=compat" (Bjorn Helgaas) - remove portdrv link order dependency (Bjorn Helgaas) - remove support for unused VC portdrv service (Bjorn Helgaas) - simplify portdrv feature permission checking (Bjorn Helgaas) - remove "pcie_hp=nomsi" parameter (use "pci=nomsi" instead) (Bjorn Helgaas) - remove unnecessary "pcie_ports=auto" parameter (Bjorn Helgaas) - use cached AER capability offset (Frederick Lawler) - don't enable DPC if BIOS hasn't granted AER control (Mika Westerberg) - rename pcie-dpc.c to dpc.c (Bjorn Helgaas) * pci/portdrv: PCI/DPC: Rename from pcie-dpc.c to dpc.c PCI/DPC: Do not enable DPC if AER control is not allowed by the BIOS PCI/AER: Use cached AER Capability offset PCI/portdrv: Rename and reverse sense of pcie_ports_auto PCI/portdrv: Encapsulate pcie_ports_auto inside the port driver PCI/portdrv: Remove unnecessary "pcie_ports=auto" parameter PCI/portdrv: Remove "pcie_hp=nomsi" kernel parameter PCI/portdrv: Remove unnecessary include of <linux/pci-aspm.h> PCI/portdrv: Simplify PCIe feature permission checking PCI/portdrv: Remove unused PCIE_PORT_SERVICE_VC PCI/portdrv: Remove pcie_port_bus_type link order dependency PCI/portdrv: Disable port driver in compat mode PCI/PM: Clear PCIe PME Status bit for Root Complex Event Collectors PCI/PM: Clear PCIe PME Status bit in core, not PCIe port driver PCI/PM: Move pcie_clear_root_pme_status() to core PCI/portdrv: Merge pcieport_if.h into portdrv.h PCI/portdrv: Move pcieport_if.h to drivers/pci/pcie/ Conflicts: drivers/pci/pcie/Makefile drivers/pci/pcie/portdrv.h
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt19
1 files changed, 7 insertions, 12 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 1d1d53f85ddd..26565794a573 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3130,18 +3130,13 @@
force Enable ASPM even on devices that claim not to support it.
WARNING: Forcing ASPM on may cause system lockups.
- pcie_hp= [PCIE] PCI Express Hotplug driver options:
- nomsi Do not use MSI for PCI Express Native Hotplug (this
- makes all PCIe ports use INTx for hotplug services).
-
- pcie_ports= [PCIE] PCIe ports handling:
- auto Ask the BIOS whether or not to use native PCIe services
- associated with PCIe ports (PME, hot-plug, AER). Use
- them only if that is allowed by the BIOS.
- native Use native PCIe services associated with PCIe ports
- unconditionally.
- compat Treat PCIe ports as PCI-to-PCI bridges, disable the PCIe
- ports driver.
+ pcie_ports= [PCIE] PCIe port services handling:
+ native Use native PCIe services (PME, AER, DPC, PCIe hotplug)
+ even if the platform doesn't give the OS permission to
+ use them. This may cause conflicts if the platform
+ also tries to use these services.
+ compat Disable native PCIe services (PME, AER, DPC, PCIe
+ hotplug).
pcie_port_pm= [PCIE] PCIe port power management handling:
off Disable power management of all PCIe ports