diff options
Diffstat (limited to 'drivers/thermal/thermal_sysfs.c')
| -rw-r--r-- | drivers/thermal/thermal_sysfs.c | 60 |
1 files changed, 5 insertions, 55 deletions
diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c index 9e3d8fa01eea..f52af8a3b4b5 100644 --- a/drivers/thermal/thermal_sysfs.c +++ b/drivers/thermal/thermal_sysfs.c @@ -83,24 +83,12 @@ trip_point_type_show(struct device *dev, struct device_attribute *attr, char *buf) { struct thermal_zone_device *tz = to_thermal_zone(dev); - enum thermal_trip_type type; int trip_id; if (sscanf(attr->attr.name, "trip_point_%d_type", &trip_id) != 1) return -EINVAL; - mutex_lock(&tz->lock); - - if (!device_is_registered(dev)) { - mutex_unlock(&tz->lock); - return -ENODEV; - } - - type = tz->trips[trip_id].type; - - mutex_unlock(&tz->lock); - - switch (type) { + switch (tz->trips[trip_id].type) { case THERMAL_TRIP_CRITICAL: return sprintf(buf, "critical\n"); case THERMAL_TRIP_HOT: @@ -132,11 +120,6 @@ trip_point_temp_store(struct device *dev, struct device_attribute *attr, mutex_lock(&tz->lock); - if (!device_is_registered(dev)) { - ret = -ENODEV; - goto unlock; - } - trip = &tz->trips[trip_id]; if (temp != trip->temperature) { @@ -162,23 +145,12 @@ trip_point_temp_show(struct device *dev, struct device_attribute *attr, char *buf) { struct thermal_zone_device *tz = to_thermal_zone(dev); - int trip_id, temp; + int trip_id; if (sscanf(attr->attr.name, "trip_point_%d_temp", &trip_id) != 1) return -EINVAL; - mutex_lock(&tz->lock); - - if (!device_is_registered(dev)) { - mutex_unlock(&tz->lock); - return -ENODEV; - } - - temp = tz->trips[trip_id].temperature; - - mutex_unlock(&tz->lock); - - return sprintf(buf, "%d\n", temp); + return sprintf(buf, "%d\n", tz->trips[trip_id].temperature); } static ssize_t @@ -199,11 +171,6 @@ trip_point_hyst_store(struct device *dev, struct device_attribute *attr, mutex_lock(&tz->lock); - if (!device_is_registered(dev)) { - ret = -ENODEV; - goto unlock; - } - trip = &tz->trips[trip_id]; if (hyst != trip->hysteresis) { @@ -229,23 +196,12 @@ trip_point_hyst_show(struct device *dev, struct device_attribute *attr, char *buf) { struct thermal_zone_device *tz = to_thermal_zone(dev); - int trip_id, hyst; + int trip_id; if (sscanf(attr->attr.name, "trip_point_%d_hyst", &trip_id) != 1) return -EINVAL; - mutex_lock(&tz->lock); - - if (!device_is_registered(dev)) { - mutex_unlock(&tz->lock); - return -ENODEV; - } - - hyst = tz->trips[trip_id].hysteresis; - - mutex_unlock(&tz->lock); - - return sprintf(buf, "%d\n", hyst); + return sprintf(buf, "%d\n", tz->trips[trip_id].hysteresis); } static ssize_t @@ -294,11 +250,6 @@ emul_temp_store(struct device *dev, struct device_attribute *attr, mutex_lock(&tz->lock); - if (!device_is_registered(dev)) { - ret = -ENODEV; - goto unlock; - } - if (!tz->ops->set_emul_temp) tz->emul_temperature = temperature; else @@ -307,7 +258,6 @@ emul_temp_store(struct device *dev, struct device_attribute *attr, if (!ret) __thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED); -unlock: mutex_unlock(&tz->lock); return ret ? ret : count; |