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[2/2] thermal: Default OF created trip points to writable

Message ID 1425379384-17000-3-git-send-email-punit.agrawal@arm.com (mailing list archive)
State Accepted
Headers show

Commit Message

Punit Agrawal March 3, 2015, 10:43 a.m. UTC 
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>
---
 drivers/thermal/of-thermal.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index 668fb1b..b7ad5c0 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -865,6 +865,7 @@  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;
 
 		/* Check whether child is enabled or not */
 		if (!of_device_is_available(child))
@@ -891,8 +892,11 @@  int __init of_parse_thermal_zones(void)
 		/* No hwmon because there might be hwmon drivers registering */
 		tzp->no_hwmon = true;
 
+		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);