ARM: tegra: Document sysfs/debugfs LP2 node change
Bo Yan [Thu, 8 Nov 2012 19:26:16 +0000 (11:26 -0800)]
The name of one sysfs node for CPU power state control has been
changed from "lp2_in_idle" to "power_down_in_idle", the name of
the corresponding debugfs node has been changed from "lp2" to
"power_down_stats".

bug 1034196

Change-Id: I72daa591c4da783062f070bd32b4245eb6a350df
Signed-off-by: Bo Yan <byan@nvidia.com>
Reviewed-on: http://git-master/r/162462
Reviewed-by: Peter Boonstoppel <pboonstoppel@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User

Documentation/arm/nvidia/tegra_parameters.txt

index f306188..d88f96d 100644 (file)
@@ -8,18 +8,18 @@ Used to select the LP1 or LP0 power state during system suspend.
 # echo lp0 > /sys/kernel/debug/suspend_mode
 # echo lp1 > /sys/kernel/debug/suspend_mode
 
-/sys/module/cpuidle/parameters/lp2_in_idle
+/sys/module/cpuidle/parameters/power_down_in_idle
 ------------------------------------------
 
-Used to enable/disable LP2 in idle.
-# echo 1 > /sys/module/cpuidle/parameters/lp2_in_idle
-# echo 0 > /sys/module/cpuidle/parameters/lp2_in_idle
+Used to enable/disable CPU power down in idle.
+# echo 1 > /sys/module/cpuidle/parameters/power_down_in_idle
+# echo 0 > /sys/module/cpuidle/parameters/power_down_in_idle
 
-/sys/kernel/debug/cpuidle/lp2
+/sys/kernel/debug/cpuidle/power_down_stats
 -----------------------------
 
-Contains LP2 statistics.
-# cat /sys/kernel/debug/cpuidle/lp2
+Contains CPU power down statistics.
+# cat /sys/kernel/debug/cpuidle/power_down_stats
 
 /sys/kernel/debug/powergate
 ---------------------------