path: root/Documentation
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authorRafael J. Wysocki <rjw@sisk.pl>2010-08-21 01:51:44 +0200
committerJesse Barnes <jbarnes@virtuousgeek.org>2010-08-24 13:43:15 -0700
commit79dd9182db2072d63ccf160bb9a3463b1c952723 (patch)
tree89069b3803a4e07924c6fd4414bbd2a771a432e9 /Documentation
parentf1a7bfaf6bb9cb195577e674c0ab2fd0a55d9014 (diff)
PCI: PCIe: Introduce commad line switch for disabling port services
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 <rjw@sisk.pl> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'Documentation')
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 873b6809009..b9008fc3a53 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -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