1 files changed, 3 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index ab84a01c8d68..0e90453e4acb 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2161,6 +2161,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                                 on: Turn realloc on
                 realloc         same as realloc=on
                 noari           do not use PCIe ARI.
+                pcie_scan_all   Scan all possible PCIe devices.  Otherwise we
+                                only look for one device below a PCIe downstream
+                                port.
 
         pcie_aspm=      [PCIE] Forcibly enable or disable PCIe Active State Power
                         Management.