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authorPunit Agrawal <punit.agrawal@arm.com>2015-03-03 10:43:04 (GMT)
committerEduardo Valentin <edubezval@gmail.com>2015-05-05 04:27:53 (GMT)
commit76af5495a5263a6d5b6d5de0f34d52de1dbf665e (patch)
tree1719b1d4075f2233cb37055333ecb016a6c8c75e /drivers/thermal/of-thermal.c
parent35e946447f22d722e06702f4f040f7b108cafbbe (diff)
downloadlinux-76af5495a5263a6d5b6d5de0f34d52de1dbf665e.tar.xz
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/of-thermal.c')
-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 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);