@@ -699,6 +699,28 @@ void thermal_zone_device_passive_update(struct thermal_zone_device *tz,
thermal_zone_device_update(tz);
}
+int thermal_zone_device_set_policy(struct thermal_zone_device *tz,
+ char *policy)
+{
+ struct thermal_governor *gov;
+ int ret = -EINVAL;
+
+ mutex_lock(&thermal_governor_lock);
+ mutex_lock(&tz->lock);
+
+ gov = __find_governor(strim(policy));
+ if (!gov)
+ goto exit;
+
+ ret = thermal_set_governor(tz, gov);
+
+exit:
+ mutex_unlock(&tz->lock);
+ mutex_unlock(&thermal_governor_lock);
+
+ return ret;
+}
+
/* sys I/F for thermal zone */
#define to_thermal_zone(_dev) \
@@ -927,27 +949,16 @@ static ssize_t
policy_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- int ret = -EINVAL;
struct thermal_zone_device *tz = to_thermal_zone(dev);
- struct thermal_governor *gov;
char name[THERMAL_NAME_LENGTH];
+ int ret;
snprintf(name, sizeof(name), "%s", buf);
- mutex_lock(&thermal_governor_lock);
- mutex_lock(&tz->lock);
-
- gov = __find_governor(strim(name));
- if (!gov)
- goto exit;
-
- ret = thermal_set_governor(tz, gov);
+ ret = thermal_zone_device_set_policy(tz, name);
if (!ret)
ret = count;
-exit:
- mutex_unlock(&tz->lock);
- mutex_unlock(&thermal_governor_lock);
return ret;
}
@@ -57,6 +57,7 @@ struct thermal_instance {
int thermal_register_governor(struct thermal_governor *);
void thermal_unregister_governor(struct thermal_governor *);
void thermal_zone_device_passive_update(struct thermal_zone_device *, int);
+int thermal_zone_device_set_policy(struct thermal_zone_device *, char *);
#ifdef CONFIG_THERMAL_GOV_STEP_WISE
int thermal_gov_step_wise_register(void);
Similarly to passive_store, policy_store now is split between thermal core data structure handling and sysfs handling. Cc: Zhang Rui <rui.zhang@intel.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <edubezval@gmail.com> --- drivers/thermal/thermal_core.c | 37 ++++++++++++++++++++++++------------- drivers/thermal/thermal_core.h | 1 + 2 files changed, 25 insertions(+), 13 deletions(-)