1 files changed, 6 insertions, 3 deletions

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 39ac9d4fad7f..1d1d53f85ddd 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -931,9 +931,12 @@
 
         earlycon=       [KNL] Output early console device and options.
 
-                        When used with no options, the early console is
-                        determined by the stdout-path property in device
-                        tree's chosen node.
+                        [ARM64] The early console is determined by the
+                        stdout-path property in device tree's chosen node,
+                        or determined by the ACPI SPCR table.
+
+                        [X86] When used with no options the early console is
+                        determined by the ACPI SPCR table.
 
                 cdns,<addr>[,options]
                         Start an early, polled-mode console on a Cadence