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authorEduardo Valentin <edubezval@gmail.com>2016-11-07 21:08:54 -0800
committerZhang Rui <rui.zhang@intel.com>2016-11-23 10:06:12 +0800
commit3d0055d2b252d9bbae8c064b37dd444b77f4c4c1 (patch)
tree887b4438be378e8ebdfd5d2a080c67a90faeeb6d /drivers/thermal
parent2a4806bf7afd37c719b10099415318a9936a3293 (diff)
downloadblackbird-op-linux-3d0055d2b252d9bbae8c064b37dd444b77f4c4c1.tar.gz
blackbird-op-linux-3d0055d2b252d9bbae8c064b37dd444b77f4c4c1.zip
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>
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/thermal_core.c62
-rw-r--r--drivers/thermal/thermal_core.h4
2 files changed, 45 insertions, 21 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 6100ae70ccfb..4e315c979f89 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -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;
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 749d41abfbab..a765c753c62c 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -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);
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