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authorPunit Agrawal <punit.agrawal@arm.com>2015-03-03 10:43:04 +0000
committerEduardo Valentin <edubezval@gmail.com>2015-05-04 21:27:53 -0700
commit76af5495a5263a6d5b6d5de0f34d52de1dbf665e (patch)
tree1719b1d4075f2233cb37055333ecb016a6c8c75e /drivers/thermal
parent35e946447f22d722e06702f4f040f7b108cafbbe (diff)
downloadlinux-76af5495a5263a6d5b6d5de0f34d52de1dbf665e.tar.bz2
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>
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/of-thermal.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index 705b21d01f1c..9e8c614103ef 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);