From: Balbir Singh <bsingharora@gmail.com>
Date: Thu, 1 Dec 2016 13:08:26 +0000 (+1100)
Subject: ppc/idle: Add documentation for powersave=off
X-Git-Tag: v4.10-rc1~40^2~19
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=c3cbd075fce77cf3f8782be9f971e8257508c98e;p=linux-2.6-block.git

ppc/idle: Add documentation for powersave=off

Update kernel-parameters.txt to add Documentation
for powersave=off.

Signed-off-by: Balbir Singh <bsingharora@gmail.com>
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 e48c5632bd6c..456248b27220 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3036,6 +3036,12 @@
 			may be specified.
 			Format: <port>,<port>....
 
+	powersave=off	[PPC] This option disables power saving features.
+			It specifically disables cpuidle and sets the
+			platform machine description specific power_save
+			function to NULL. On Idle the CPU just reduces
+			execution priority.
+
 	ppc_strict_facility_enable
 			[PPC] This option catches any kernel floating point,
 			Altivec, VSX and SPE outside of regions specifically