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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt5
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index bb884c14b2f6..4bc281d6e8d3 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4590,9 +4590,10 @@
norid [S390] ignore the RID field and force use of
one PCI domain per PCI function
- pcie_aspm= [PCIE] Forcibly enable or disable PCIe Active State Power
+ pcie_aspm= [PCIE] Forcibly enable or ignore PCIe Active State Power
Management.
- off Disable ASPM.
+ off Don't touch ASPM configuration at all. Leave any
+ configuration done by firmware unchanged.
force Enable ASPM even on devices that claim not to support it.
WARNING: Forcing ASPM on may cause system lockups.