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PCI: PCIe: Introduce commad line switch for disabling port services

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Introduce kernel command line switch pcie_ports= allowing one to
disable all of the native PCIe port services, so that PCIe ports
are treated like PCI-to-PCI bridges.

Signed-off-by: Rafael J. Wysocki <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
This commit is contained in:
Rafael J. Wysocki 2010-08-21 01:51:44 +02:00 • committed by Jesse Barnes
commit 79dd9182db
4 changed files with 24 additions and 0 deletions
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4
Documentation/kernel-parameters.txt
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@ -2042,6 +2042,10 @@ and is between 256 and 4096 characters. It is defined in the file
force Enable ASPM even on devices that claim not to support it.
WARNING: Forcing ASPM on may cause system lockups.
pcie_ports= [PCIE] PCIe ports handling:
compat Treat PCIe ports as PCI-to-PCI bridges, disable the PCIe
ports driver.
pcie_pme= [PCIE,PM] Native PCIe PME signaling options:
Format: {auto|force}[,nomsi]
auto Use native PCIe PME signaling if the BIOS allows the