These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / thermal / step_wise.c

diff --git a/kernel/drivers/thermal/step_wise.c b/kernel/drivers/thermal/step_wise.c
index 5a0f12d..ea9366a 100644 (file)
--- a/kernel/drivers/thermal/step_wise.c
+++ b/kernel/drivers/thermal/step_wise.c
@@ -63,6 +63,19 @@ static unsigned long get_target_state(struct thermal_instance *instance,
        next_target = instance->target;
        dev_dbg(&cdev->device, "cur_state=%ld\n", cur_state);
 
+       if (!instance->initialized) {
+               if (throttle) {
+                       next_target = (cur_state + 1) >= instance->upper ?
+                                       instance->upper :
+                                       ((cur_state + 1) < instance->lower ?
+                                       instance->lower : (cur_state + 1));
+               } else {
+                       next_target = THERMAL_NO_TARGET;
+               }
+
+               return next_target;
+       }
+
        switch (trend) {
        case THERMAL_TREND_RAISING:
                if (throttle) {
@@ -113,7 +126,7 @@ static void update_passive_instance(struct thermal_zone_device *tz,
 
 static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
 {
-       long trip_temp;
+       int trip_temp;
        enum thermal_trip_type trip_type;
        enum thermal_trend trend;
        struct thermal_instance *instance;
@@ -135,7 +148,7 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
                trace_thermal_zone_trip(tz, trip, trip_type);
        }
 
-       dev_dbg(&tz->device, "Trip%d[type=%d,temp=%ld]:trend=%d,throttle=%d\n",
+       dev_dbg(&tz->device, "Trip%d[type=%d,temp=%d]:trend=%d,throttle=%d\n",
                                trip, trip_type, trip_temp, trend, throttle);
 
        mutex_lock(&tz->lock);
@@ -149,7 +162,7 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
                dev_dbg(&instance->cdev->device, "old_target=%d, target=%d\n",
                                        old_target, (int)instance->target);
 
-               if (old_target == instance->target)
+               if (instance->initialized && old_target == instance->target)
                        continue;
 
                /* Activate a passive thermal instance */
@@ -161,7 +174,7 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
                        instance->target == THERMAL_NO_TARGET)
                        update_passive_instance(tz, trip_type, -1);
 
-
+               instance->initialized = true;
                instance->cdev->updated = false; /* cdev needs update */
        }