33 struct htu21 {  struct
64 	struct htu21 *htu21 = dev_get_drvdata(dev);  in htu21_update_measurements()  local
65 	struct i2c_client *client = htu21->client;  in htu21_update_measurements()
68 	mutex_lock(&htu21->lock);  in htu21_update_measurements()
70 	if (time_after(jiffies, htu21->last_update + HZ / 2) ||  in htu21_update_measurements()
71 	    !htu21->valid) {  in htu21_update_measurements()
76 		htu21->temperature = htu21_temp_ticks_to_millicelsius(ret);  in htu21_update_measurements()
81 		htu21->humidity = htu21_rh_ticks_to_per_cent_mille(ret);  in htu21_update_measurements()
82 		htu21->last_update = jiffies;  in htu21_update_measurements()
83 		htu21->valid = true;  in htu21_update_measurements()
86 	mutex_unlock(&htu21->lock);  in htu21_update_measurements()
94 	struct htu21 *htu21 = dev_get_drvdata(dev);  in htu21_show_temperature()  local
100 	return sprintf(buf, "%d\n", htu21->temperature);  in htu21_show_temperature()
106 	struct htu21 *htu21 = dev_get_drvdata(dev);  in htu21_show_humidity()  local
112 	return sprintf(buf, "%d\n", htu21->humidity);  in htu21_show_humidity()
126 ATTRIBUTE_GROUPS(htu21);
132 	struct htu21 *htu21;  in htu21_probe()  local
142 	htu21 = devm_kzalloc(dev, sizeof(*htu21), GFP_KERNEL);  in htu21_probe()
143 	if (!htu21)  in htu21_probe()
146 	htu21->client = client;  in htu21_probe()
147 	mutex_init(&htu21->lock);  in htu21_probe()
150 							   htu21,  in htu21_probe()