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-rw-r--r--drivers/thermal/thermal_core.c37
-rw-r--r--drivers/thermal/thermal_core.h1
2 files changed, 25 insertions, 13 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 4e315c979f89..23f138f7eb68 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -757,6 +757,28 @@ void thermal_zone_device_unbind_exception(struct thermal_zone_device *tz,
mutex_unlock(&thermal_list_lock);
}
+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) \
@@ -1001,27 +1023,16 @@ 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;
}
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index a765c753c62c..db65d3b08cf7 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -60,6 +60,7 @@ void thermal_zone_device_rebind_exception(struct thermal_zone_device *,
const char *, size_t);
void thermal_zone_device_unbind_exception(struct thermal_zone_device *,
const char *, size_t);
+int thermal_zone_device_set_policy(struct thermal_zone_device *, char *);
#ifdef CONFIG_THERMAL_GOV_STEP_WISE
int thermal_gov_step_wise_register(void);
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