1 files changed, 6 insertions, 3 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e279b7242912..130713f71875 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2081,9 +2081,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         Override pmtimer IOPort with a hex value.
                         e.g. pmtmr=0x508
 
-        pnp.debug       [PNP]
-                        Enable PNP debug messages.  This depends on the
-                        CONFIG_PNP_DEBUG_MESSAGES option.
+        pnp.debug=1     [PNP]
+                        Enable PNP debug messages (depends on the
+                        CONFIG_PNP_DEBUG_MESSAGES option).  Change at run-time
+                        via /sys/module/pnp/parameters/debug.  We always show
+                        current resource usage; turning this on also shows
+                        possible settings and some assignment information.
 
         pnpacpi=        [ACPI]
                         { off }