52 static int pcf8583_get_datetime(struct i2c_client *client, struct rtc_time *dt)  in pcf8583_get_datetime()  argument
57 			.addr = client->addr,  in pcf8583_get_datetime()
62 			.addr = client->addr,  in pcf8583_get_datetime()
72 	ret = i2c_transfer(client->adapter, msgs, 2);  in pcf8583_get_datetime()
90 static int pcf8583_set_datetime(struct i2c_client *client, struct rtc_time *dt, int datetoo)  in pcf8583_set_datetime()  argument
96 	buf[1] = get_ctrl(client) | 0x80;  in pcf8583_set_datetime()
108 	ret = i2c_master_send(client, (char *)buf, len);  in pcf8583_set_datetime()
112 	buf[1] = get_ctrl(client);  in pcf8583_set_datetime()
113 	ret = i2c_master_send(client, (char *)buf, 2);  in pcf8583_set_datetime()
118 static int pcf8583_get_ctrl(struct i2c_client *client, unsigned char *ctrl)  in pcf8583_get_ctrl()  argument
120 	*ctrl = get_ctrl(client);  in pcf8583_get_ctrl()
124 static int pcf8583_set_ctrl(struct i2c_client *client, unsigned char *ctrl)  in pcf8583_set_ctrl()  argument
130 	set_ctrl(client, *ctrl);  in pcf8583_set_ctrl()
132 	return i2c_master_send(client, (char *)buf, 2);  in pcf8583_set_ctrl()
135 static int pcf8583_read_mem(struct i2c_client *client, struct rtc_mem *mem)  in pcf8583_read_mem()  argument
140 			.addr = client->addr,  in pcf8583_read_mem()
145 			.addr = client->addr,  in pcf8583_read_mem()
157 	return i2c_transfer(client->adapter, msgs, 2) == 2 ? 0 : -EIO;  in pcf8583_read_mem()
160 static int pcf8583_write_mem(struct i2c_client *client, struct rtc_mem *mem)  in pcf8583_write_mem()  argument
171 	ret = i2c_master_send(client, buf, mem->nr + 1);  in pcf8583_write_mem()
177 	struct i2c_client *client = to_i2c_client(dev);  in pcf8583_rtc_read_time()  local
189 	pcf8583_get_ctrl(client, &ctrl);  in pcf8583_rtc_read_time()
196 		err = pcf8583_set_ctrl(client, &new_ctrl);  in pcf8583_rtc_read_time()
201 	if (pcf8583_get_datetime(client, tm) ||  in pcf8583_rtc_read_time()
202 	    pcf8583_read_mem(client, &mem))  in pcf8583_rtc_read_time()
227 	struct i2c_client *client = to_i2c_client(dev);  in pcf8583_rtc_set_time()  local
247 	ret = pcf8583_set_datetime(client, tm, 1);  in pcf8583_rtc_set_time()
251 	ret = pcf8583_read_mem(client, &cmos_check);  in pcf8583_rtc_set_time()
255 	ret = pcf8583_read_mem(client, &cmos_year);  in pcf8583_rtc_set_time()
266 	ret = pcf8583_write_mem(client, &cmos_year);  in pcf8583_rtc_set_time()
271 	ret = pcf8583_write_mem(client, &cmos_check);  in pcf8583_rtc_set_time()
281 static int pcf8583_probe(struct i2c_client *client,  in pcf8583_probe()  argument
286 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))  in pcf8583_probe()
289 	pcf8583 = devm_kzalloc(&client->dev, sizeof(struct pcf8583),  in pcf8583_probe()
294 	i2c_set_clientdata(client, pcf8583);  in pcf8583_probe()
296 	pcf8583->rtc = devm_rtc_device_register(&client->dev,  in pcf8583_probe()