# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
#	           ChangeSet	1.1655  -> 1.1656 
#	drivers/acpi/power.c	1.19    -> 1.20   
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 04/03/05	len.brown@intel.com	1.1656
# [ACPI] comments
# --------------------------------------------
#
diff -Nru a/drivers/acpi/power.c b/drivers/acpi/power.c
--- a/drivers/acpi/power.c	Fri Mar  5 00:27:51 2004
+++ b/drivers/acpi/power.c	Fri Mar  5 00:27:51 2004
@@ -23,6 +23,18 @@
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 
+/*
+ * ACPI power-managed devices may be controlled in two ways:
+ * 1. via "Device Specific (D-State) Control"
+ * 2. via "Power Resource Control".
+ * This module is used to manage devices relying on Power Resource Control.
+ * 
+ * An ACPI "power resource object" describes a software controllable power
+ * plane, clock plane, or other resource used by a power managed device.
+ * A device may rely on multiple power resources, and a power resource
+ * may be shared by multiple devices.
+ */
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>