diff options
Diffstat (limited to 'drivers/thermal/thermal_helpers.c')
-rw-r--r-- | drivers/thermal/thermal_helpers.c | 70 |
1 files changed, 4 insertions, 66 deletions
diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c index 56aa2e88f34f..0f648131b0b5 100644 --- a/drivers/thermal/thermal_helpers.c +++ b/drivers/thermal/thermal_helpers.c @@ -83,7 +83,7 @@ int __thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp) int ret = -EINVAL; int count; int crit_temp = INT_MAX; - enum thermal_trip_type type; + struct thermal_trip trip; lockdep_assert_held(&tz->lock); @@ -91,10 +91,9 @@ int __thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp) if (IS_ENABLED(CONFIG_THERMAL_EMULATION) && tz->emul_temperature) { for (count = 0; count < tz->num_trips; count++) { - ret = tz->ops->get_trip_type(tz, count, &type); - if (!ret && type == THERMAL_TRIP_CRITICAL) { - ret = tz->ops->get_trip_temp(tz, count, - &crit_temp); + ret = __thermal_zone_get_trip(tz, count, &trip); + if (!ret && trip.type == THERMAL_TRIP_CRITICAL) { + crit_temp = trip.temperature; break; } } @@ -147,67 +146,6 @@ unlock: } EXPORT_SYMBOL_GPL(thermal_zone_get_temp); -/** - * __thermal_zone_set_trips - Computes the next trip points for the driver - * @tz: a pointer to a thermal zone device structure - * - * The function computes the next temperature boundaries by browsing - * the trip points. The result is the closer low and high trip points - * to the current temperature. These values are passed to the backend - * driver to let it set its own notification mechanism (usually an - * interrupt). - * - * This function must be called with tz->lock held. Both tz and tz->ops - * must be valid pointers. - * - * It does not return a value - */ -void __thermal_zone_set_trips(struct thermal_zone_device *tz) -{ - int low = -INT_MAX; - int high = INT_MAX; - int trip_temp, hysteresis; - int i, ret; - - lockdep_assert_held(&tz->lock); - - if (!tz->ops->set_trips || !tz->ops->get_trip_hyst) - return; - - for (i = 0; i < tz->num_trips; i++) { - int trip_low; - - tz->ops->get_trip_temp(tz, i, &trip_temp); - tz->ops->get_trip_hyst(tz, i, &hysteresis); - - trip_low = trip_temp - hysteresis; - - if (trip_low < tz->temperature && trip_low > low) - low = trip_low; - - if (trip_temp > tz->temperature && trip_temp < high) - high = trip_temp; - } - - /* No need to change trip points */ - if (tz->prev_low_trip == low && tz->prev_high_trip == high) - return; - - tz->prev_low_trip = low; - tz->prev_high_trip = high; - - dev_dbg(&tz->device, - "new temperature boundaries: %d < x < %d\n", low, high); - - /* - * Set a temperature window. When this window is left the driver - * must inform the thermal core via thermal_zone_device_update. - */ - ret = tz->ops->set_trips(tz, low, high); - if (ret) - dev_err(&tz->device, "Failed to set trips: %d\n", ret); -} - static void thermal_cdev_set_cur_state(struct thermal_cooling_device *cdev, int target) { |