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thermal: core: split passive_store 

Split passive_store between sysfs handling and thermal
core internal data 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 21:08:54 -08:00 committed by Zhang Rui
parent 2a4806bf7a
commit 3d0055d2b2
2 changed files with 45 additions and 21 deletions
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62
drivers/thermal/thermal_core.c
View File

@ -720,6 +720,43 @@ int power_actor_set_power(struct thermal_cooling_device *cdev,
return 0;
}
void thermal_zone_device_rebind_exception(struct thermal_zone_device *tz,
const char *cdev_type, size_t size)
{
struct thermal_cooling_device *cdev = NULL;
mutex_lock(&thermal_list_lock);
list_for_each_entry(cdev, &thermal_cdev_list, node) {
/* skip non matching cdevs */
if (strncmp(cdev_type, cdev->type, size))
continue;
/* re binding the exception matching the type pattern */
thermal_zone_bind_cooling_device(tz, THERMAL_TRIPS_NONE, cdev,
THERMAL_NO_LIMIT,
THERMAL_NO_LIMIT,
THERMAL_WEIGHT_DEFAULT);
}
mutex_unlock(&thermal_list_lock);
}
void thermal_zone_device_unbind_exception(struct thermal_zone_device *tz,
const char *cdev_type, size_t size)
{
struct thermal_cooling_device *cdev = NULL;
mutex_lock(&thermal_list_lock);
list_for_each_entry(cdev, &thermal_cdev_list, node) {
/* skip non matching cdevs */
if (strncmp(cdev_type, cdev->type, size))
continue;
/* unbinding the exception matching the type pattern */
thermal_zone_unbind_cooling_device(tz, THERMAL_TRIPS_NONE,
cdev);
}
mutex_unlock(&thermal_list_lock);
}
/* sys I/F for thermal zone */
#define to_thermal_zone(_dev) \
@ -922,7 +959,6 @@ passive_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct thermal_zone_device *tz = to_thermal_zone(dev);
struct thermal_cooling_device *cdev = NULL;
int state;
if (!sscanf(buf, "%d\n", &state))
@ -935,30 +971,14 @@ passive_store(struct device *dev, struct device_attribute *attr,
return -EINVAL;
if (state && !tz->forced_passive) {
mutex_lock(&thermal_list_lock);
list_for_each_entry(cdev, &thermal_cdev_list, node) {
if (!strncmp("Processor", cdev->type,
sizeof("Processor")))
thermal_zone_bind_cooling_device(tz,
THERMAL_TRIPS_NONE, cdev,
THERMAL_NO_LIMIT,
THERMAL_NO_LIMIT,
THERMAL_WEIGHT_DEFAULT);
}
mutex_unlock(&thermal_list_lock);
if (!tz->passive_delay)
tz->passive_delay = 1000;
thermal_zone_device_rebind_exception(tz, "Processor",
sizeof("Processor"));
} else if (!state && tz->forced_passive) {
mutex_lock(&thermal_list_lock);
list_for_each_entry(cdev, &thermal_cdev_list, node) {
if (!strncmp("Processor", cdev->type,
sizeof("Processor")))
thermal_zone_unbind_cooling_device(tz,
THERMAL_TRIPS_NONE,
cdev);
}
mutex_unlock(&thermal_list_lock);
tz->passive_delay = 0;
thermal_zone_device_unbind_exception(tz, "Processor",
sizeof("Processor"));
}
tz->forced_passive = state;

4
drivers/thermal/thermal_core.h
View File

@ -56,6 +56,10 @@ struct thermal_instance {
int thermal_register_governor(struct thermal_governor *);
void thermal_unregister_governor(struct thermal_governor *);
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);
#ifdef CONFIG_THERMAL_GOV_STEP_WISE
int thermal_gov_step_wise_register(void);