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thermal: core: split policy_store

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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>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Eduardo Valentin 2016-11-07 21:08:55 -08:00 committed by Zhang Rui
parent 3d0055d2b2
commit 6b885202d7
2 changed files with 25 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
drivers/thermal/thermal_core.c
View File

@ -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;
}

1
drivers/thermal/thermal_core.h
View File

@ -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);