71 	struct i2c_client *client;  member
85 static int ds1374_read_rtc(struct i2c_client *client, u32 *time,  in ds1374_read_rtc()  argument
97 	ret = i2c_smbus_read_i2c_block_data(client, reg, nbytes, buf);  in ds1374_read_rtc()
110 static int ds1374_write_rtc(struct i2c_client *client, u32 time,  in ds1374_write_rtc()  argument
126 	return i2c_smbus_write_i2c_block_data(client, reg, nbytes, buf);  in ds1374_write_rtc()
129 static int ds1374_check_rtc_status(struct i2c_client *client)  in ds1374_check_rtc_status()  argument
134 	stat = i2c_smbus_read_byte_data(client, DS1374_REG_SR);  in ds1374_check_rtc_status()
139 		dev_warn(&client->dev,  in ds1374_check_rtc_status()
144 	ret = i2c_smbus_write_byte_data(client, DS1374_REG_SR, stat);  in ds1374_check_rtc_status()
153 	control = i2c_smbus_read_byte_data(client, DS1374_REG_CR);  in ds1374_check_rtc_status()
158 	return i2c_smbus_write_byte_data(client, DS1374_REG_CR, control);  in ds1374_check_rtc_status()
163 	struct i2c_client *client = to_i2c_client(dev);  in ds1374_read_time()  local
167 	ret = ds1374_read_rtc(client, &itime, DS1374_REG_TOD0, 4);  in ds1374_read_time()
176 	struct i2c_client *client = to_i2c_client(dev);  in ds1374_set_time()  local
180 	return ds1374_write_rtc(client, itime, DS1374_REG_TOD0, 4);  in ds1374_set_time()
190 	struct i2c_client *client = to_i2c_client(dev);  in ds1374_read_alarm()  local
191 	struct ds1374 *ds1374 = i2c_get_clientdata(client);  in ds1374_read_alarm()
196 	if (client->irq <= 0)  in ds1374_read_alarm()
201 	cr = ret = i2c_smbus_read_byte_data(client, DS1374_REG_CR);  in ds1374_read_alarm()
205 	sr = ret = i2c_smbus_read_byte_data(client, DS1374_REG_SR);  in ds1374_read_alarm()
209 	ret = ds1374_read_rtc(client, &now, DS1374_REG_TOD0, 4);  in ds1374_read_alarm()
213 	ret = ds1374_read_rtc(client, &cur_alarm, DS1374_REG_WDALM0, 3);  in ds1374_read_alarm()
228 	struct i2c_client *client = to_i2c_client(dev);  in ds1374_set_alarm()  local
229 	struct ds1374 *ds1374 = i2c_get_clientdata(client);  in ds1374_set_alarm()
235 	if (client->irq <= 0)  in ds1374_set_alarm()
258 	ret = cr = i2c_smbus_read_byte_data(client, DS1374_REG_CR);  in ds1374_set_alarm()
266 	ret = i2c_smbus_write_byte_data(client, DS1374_REG_CR, cr);  in ds1374_set_alarm()
270 	ret = ds1374_write_rtc(client, new_alarm, DS1374_REG_WDALM0, 3);  in ds1374_set_alarm()
278 		ret = i2c_smbus_write_byte_data(client, DS1374_REG_CR, cr);  in ds1374_set_alarm()
289 	struct i2c_client *client = dev_id;  in ds1374_irq()  local
290 	struct ds1374 *ds1374 = i2c_get_clientdata(client);  in ds1374_irq()
300 	struct i2c_client *client = ds1374->client;  in ds1374_work()  local
305 	stat = i2c_smbus_read_byte_data(client, DS1374_REG_SR);  in ds1374_work()
311 		i2c_smbus_write_byte_data(client, DS1374_REG_SR, stat);  in ds1374_work()
313 		control = i2c_smbus_read_byte_data(client, DS1374_REG_CR);  in ds1374_work()
318 		i2c_smbus_write_byte_data(client, DS1374_REG_CR, control);  in ds1374_work()
325 		enable_irq(client->irq);  in ds1374_work()
333 	struct i2c_client *client = to_i2c_client(dev);  in ds1374_alarm_irq_enable()  local
334 	struct ds1374 *ds1374 = i2c_get_clientdata(client);  in ds1374_alarm_irq_enable()
339 	ret = i2c_smbus_read_byte_data(client, DS1374_REG_CR);  in ds1374_alarm_irq_enable()
349 	ret = i2c_smbus_write_byte_data(client, DS1374_REG_CR, ret);  in ds1374_alarm_irq_enable()
609 static int ds1374_probe(struct i2c_client *client,  in ds1374_probe()  argument
615 	ds1374 = devm_kzalloc(&client->dev, sizeof(struct ds1374), GFP_KERNEL);  in ds1374_probe()
619 	ds1374->client = client;  in ds1374_probe()
620 	i2c_set_clientdata(client, ds1374);  in ds1374_probe()
625 	ret = ds1374_check_rtc_status(client);  in ds1374_probe()
629 	if (client->irq > 0) {  in ds1374_probe()
630 		ret = devm_request_irq(&client->dev, client->irq, ds1374_irq, 0,  in ds1374_probe()
631 					"ds1374", client);  in ds1374_probe()
633 			dev_err(&client->dev, "unable to request IRQ\n");  in ds1374_probe()
637 		device_set_wakeup_capable(&client->dev, 1);  in ds1374_probe()
640 	ds1374->rtc = devm_rtc_device_register(&client->dev, client->name,  in ds1374_probe()
643 		dev_err(&client->dev, "unable to register the class device\n");  in ds1374_probe()
648 	save_client = client;  in ds1374_probe()
663 static int ds1374_remove(struct i2c_client *client)  in ds1374_remove()  argument
665 	struct ds1374 *ds1374 = i2c_get_clientdata(client);  in ds1374_remove()
672 	if (client->irq > 0) {  in ds1374_remove()
677 		devm_free_irq(&client->dev, client->irq, client);  in ds1374_remove()
687 	struct i2c_client *client = to_i2c_client(dev);  in ds1374_suspend()  local
689 	if (client->irq > 0 && device_may_wakeup(&client->dev))  in ds1374_suspend()
690 		enable_irq_wake(client->irq);  in ds1374_suspend()
696 	struct i2c_client *client = to_i2c_client(dev);  in ds1374_resume()  local
698 	if (client->irq > 0 && device_may_wakeup(&client->dev))  in ds1374_resume()
699 		disable_irq_wake(client->irq);  in ds1374_resume()