Documentation: document earlycon without options for more platforms

The earlycon options without arguments is supposed to work on all
device tree platforms, not just arm64.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index c7ac2f3..edf65da 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -983,12 +983,10 @@
 
        earlycon=       [KNL] Output early console device and options.
 
-                       [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.
+                       When used with no options, the early console is
+                       determined by stdout-path property in device tree's
+                       chosen node or the ACPI SPCR table if supported by
+                       the platform.
 
                cdns,<addr>[,options]
                        Start an early, polled-mode console on a Cadence