From 76af5495a5263a6d5b6d5de0f34d52de1dbf665e Mon Sep 17 00:00:00 2001
From: Punit Agrawal <punit.agrawal@arm.com>
Date: Tue, 3 Mar 2015 10:43:04 +0000
Subject: thermal: Default OF created trip points to writable

When registering a thermal zone from device tree, default the trip
points to writable. By default, only the root user can change these.

This allows the trip points to be tweaked after the system has
booted.

Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index 705b21d..9e8c614 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -866,6 +866,7 @@ int __init of_parse_thermal_zones(void)
 	for_each_child_of_node(np, child) {
 		struct thermal_zone_device *zone;
 		struct thermal_zone_params *tzp;
+		int i, mask = 0;
 		u32 prop;
 
 		/* Check whether child is enabled or not */
@@ -896,8 +897,11 @@ int __init of_parse_thermal_zones(void)
 		if (!of_property_read_u32(child, "sustainable-power", &prop))
 			tzp->sustainable_power = prop;
 
+		for (i = 0; i < tz->ntrips; i++)
+			mask |= 1 << i;
+
 		zone = thermal_zone_device_register(child->name, tz->ntrips,
-						    0, tz,
+						    mask, tz,
 						    ops, tzp,
 						    tz->passive_delay,
 						    tz->polling_delay);
-- 
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