hwmon : (nct6775) Use kobj_to_dev() API

Use kobj_to_dev() API instead of container_of().

Signed-off-by: zhouchuangao <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>

Author: zhouchuangao

drivers/hwmon/nct6775.c

@@ -2047,7 +2047,7 @@ store_temp_beep(struct device *dev, struct device_attribute *attr,
 static umode_t nct6775_in_is_visible(struct kobject *kobj,
 				     struct attribute *attr, int index)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct nct6775_data *data = dev_get_drvdata(dev);
 	int in = index / 5;	/* voltage index */
 
@@ -2253,7 +2253,7 @@ store_fan_pulses(struct device *dev, struct device_attribute *attr,
 static umode_t nct6775_fan_is_visible(struct kobject *kobj,
 				      struct attribute *attr, int index)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct nct6775_data *data = dev_get_drvdata(dev);
 	int fan = index / 6;	/* fan index */
 	int nr = index % 6;	/* attribute index */
@@ -2440,7 +2440,7 @@ store_temp_type(struct device *dev, struct device_attribute *attr,
 static umode_t nct6775_temp_is_visible(struct kobject *kobj,
 				       struct attribute *attr, int index)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct nct6775_data *data = dev_get_drvdata(dev);
 	int temp = index / 10;	/* temp index */
 	int nr = index % 10;	/* attribute index */
@@ -3257,7 +3257,7 @@ store_auto_temp(struct device *dev, struct device_attribute *attr,
 static umode_t nct6775_pwm_is_visible(struct kobject *kobj,
 				      struct attribute *attr, int index)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct nct6775_data *data = dev_get_drvdata(dev);
 	int pwm = index / 36;	/* pwm index */
 	int nr = index % 36;	/* attribute index */
@@ -3459,7 +3459,7 @@ static SENSOR_DEVICE_ATTR(beep_enable, S_IWUSR | S_IRUGO, show_beep,
 static umode_t nct6775_other_is_visible(struct kobject *kobj,
 					struct attribute *attr, int index)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct nct6775_data *data = dev_get_drvdata(dev);
 
 	if (index == 0 && !data->have_vid)