93 static int m41t80_get_datetime(struct i2c_client *client,  in m41t80_get_datetime()  argument
99 			.addr	= client->addr,  in m41t80_get_datetime()
105 			.addr	= client->addr,  in m41t80_get_datetime()
112 	if (i2c_transfer(client->adapter, msgs, 2) < 0) {  in m41t80_get_datetime()
113 		dev_err(&client->dev, "read error\n");  in m41t80_get_datetime()
130 static int m41t80_set_datetime(struct i2c_client *client, struct rtc_time *tm)  in m41t80_set_datetime()  argument
137 			.addr	= client->addr,  in m41t80_set_datetime()
143 			.addr	= client->addr,  in m41t80_set_datetime()
151 			.addr	= client->addr,  in m41t80_set_datetime()
159 	if (i2c_transfer(client->adapter, msgs_in, 2) < 0) {  in m41t80_set_datetime()
160 		dev_err(&client->dev, "read error\n");  in m41t80_set_datetime()
182 	if (i2c_transfer(client->adapter, msgs, 1) != 1) {  in m41t80_set_datetime()
183 		dev_err(&client->dev, "write error\n");  in m41t80_set_datetime()
192 	struct i2c_client *client = to_i2c_client(dev);  in m41t80_rtc_proc()  local
193 	struct m41t80_data *clientdata = i2c_get_clientdata(client);  in m41t80_rtc_proc()
197 		reg = i2c_smbus_read_byte_data(client, M41T80_REG_FLAGS);  in m41t80_rtc_proc()
231 	struct i2c_client *client = to_i2c_client(dev);  in m41t80_sysfs_show_flags()  local
234 	val = i2c_smbus_read_byte_data(client, M41T80_REG_FLAGS);  in m41t80_sysfs_show_flags()
244 	struct i2c_client *client = to_i2c_client(dev);  in m41t80_sysfs_show_sqwfreq()  local
245 	struct m41t80_data *clientdata = i2c_get_clientdata(client);  in m41t80_sysfs_show_sqwfreq()
254 	val = i2c_smbus_read_byte_data(client, reg_sqw);  in m41t80_sysfs_show_sqwfreq()
273 	struct i2c_client *client = to_i2c_client(dev);  in m41t80_sysfs_set_sqwfreq()  local
274 	struct m41t80_data *clientdata = i2c_get_clientdata(client);  in m41t80_sysfs_set_sqwfreq()
293 	almon = i2c_smbus_read_byte_data(client, M41T80_REG_ALARM_MON);  in m41t80_sysfs_set_sqwfreq()
299 	sqw = i2c_smbus_read_byte_data(client, reg_sqw);  in m41t80_sysfs_set_sqwfreq()
304 	rc = i2c_smbus_write_byte_data(client, M41T80_REG_ALARM_MON,  in m41t80_sysfs_set_sqwfreq()
310 		rc = i2c_smbus_write_byte_data(client, reg_sqw, sqw);  in m41t80_sysfs_set_sqwfreq()
314 		rc = i2c_smbus_write_byte_data(client, M41T80_REG_ALARM_MON,  in m41t80_sysfs_set_sqwfreq()
633 static int m41t80_probe(struct i2c_client *client,  in m41t80_probe()  argument
641 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C  in m41t80_probe()
645 	clientdata = devm_kzalloc(&client->dev, sizeof(*clientdata),  in m41t80_probe()
651 	i2c_set_clientdata(client, clientdata);  in m41t80_probe()
653 	rtc = devm_rtc_device_register(&client->dev, client->name,  in m41t80_probe()
661 	rc = i2c_smbus_read_byte_data(client, M41T80_REG_ALARM_HOUR);  in m41t80_probe()
665 			m41t80_get_datetime(client, &tm);  in m41t80_probe()
666 			dev_info(&client->dev, "HT bit was set!\n");  in m41t80_probe()
667 			dev_info(&client->dev,  in m41t80_probe()
674 		rc = i2c_smbus_write_byte_data(client, M41T80_REG_ALARM_HOUR,  in m41t80_probe()
679 		dev_err(&client->dev, "Can't clear HT bit\n");  in m41t80_probe()
684 	rc = i2c_smbus_read_byte_data(client, M41T80_REG_SEC);  in m41t80_probe()
687 		rc = i2c_smbus_write_byte_data(client, M41T80_REG_SEC,  in m41t80_probe()
690 		dev_err(&client->dev, "Can't clear ST bit\n");  in m41t80_probe()
694 	rc = m41t80_sysfs_register(&client->dev);  in m41t80_probe()
700 		save_client = client;  in m41t80_probe()
714 static int m41t80_remove(struct i2c_client *client)  in m41t80_remove()  argument
717 	struct m41t80_data *clientdata = i2c_get_clientdata(client);  in m41t80_remove()