46 struct sht21 {  struct
94 	struct sht21 *sht21 = i2c_get_clientdata(client);  in sht21_update_measurements()  local
96 	mutex_lock(&sht21->lock);  in sht21_update_measurements()
102 	if (time_after(jiffies, sht21->last_update + HZ / 2) || !sht21->valid) {  in sht21_update_measurements()
107 		sht21->temperature = sht21_temp_ticks_to_millicelsius(ret);  in sht21_update_measurements()
112 		sht21->humidity = sht21_rh_ticks_to_per_cent_mille(ret);  in sht21_update_measurements()
113 		sht21->last_update = jiffies;  in sht21_update_measurements()
114 		sht21->valid = 1;  in sht21_update_measurements()
117 	mutex_unlock(&sht21->lock);  in sht21_update_measurements()
136 	struct sht21 *sht21 = i2c_get_clientdata(client);  in sht21_show_temperature()  local
140 	return sprintf(buf, "%d\n", sht21->temperature);  in sht21_show_temperature()
157 	struct sht21 *sht21 = i2c_get_clientdata(client);  in sht21_show_humidity()  local
161 	return sprintf(buf, "%d\n", sht21->humidity);  in sht21_show_humidity()
192 	struct sht21 *sht21;  in sht21_probe()  local
202 	sht21 = kzalloc(sizeof(*sht21), GFP_KERNEL);  in sht21_probe()
203 	if (!sht21) {  in sht21_probe()
207 	i2c_set_clientdata(client, sht21);  in sht21_probe()
209 	mutex_init(&sht21->lock);  in sht21_probe()
216 	sht21->hwmon_dev = hwmon_device_register(&client->dev);  in sht21_probe()
217 	if (IS_ERR(sht21->hwmon_dev)) {  in sht21_probe()
219 		err = PTR_ERR(sht21->hwmon_dev);  in sht21_probe()
230 	kfree(sht21);  in sht21_probe()
241 	struct sht21 *sht21 = i2c_get_clientdata(client);  in sht21_remove()  local
243 	hwmon_device_unregister(sht21->hwmon_dev);  in sht21_remove()
245 	kfree(sht21);  in sht21_remove()