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-rw-r--r--Documentation/kernel-parameters.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1808f11..82d6aeb 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2048,7 +2048,9 @@ and is between 256 and 4096 characters. It is defined in the file
WARNING: Forcing ASPM on may cause system lockups.
pcie_pme= [PCIE,PM] Native PCIe PME signaling options:
- off Do not use native PCIe PME signaling.
+ Format: {auto|force}[,nomsi]
+ auto Use native PCIe PME signaling if the BIOS allows the
+ kernel to control PCIe config registers of root ports.
force Use native PCIe PME signaling even if the BIOS refuses
to allow the kernel to control the relevant PCIe config
registers.
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