Commit d1fbe695 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

rtc: ds1672: set range 



The ds1672 is a 32bit seconds counter.

Also remove erroneous comment claiming that epoch is set to 2000, it was
not.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 43dae505

drivers/rtc/rtc-ds1672.c

+11 −5
Original line number Diff line number Diff line
@@ -21,12 +21,10 @@ 


#define DS1672_REG_CONTROL_EOSC	0x80



static struct i2c_driver ds1672_driver;



/*

 * In the routines that deal directly with the ds1672 hardware, we use

 * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch

 * Epoch is initialized as 2000. Time is set to UTC.

 * Time is set to UTC.

 */

static int ds1672_get_datetime(struct i2c_client *client, struct rtc_time *tm)

{
@@ -164,8 +162,16 @@ static int ds1672_probe(struct i2c_client *client, 
	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))

		return -ENODEV;



	rtc = devm_rtc_device_register(&client->dev, ds1672_driver.driver.name,

				  &ds1672_rtc_ops, THIS_MODULE);

	rtc = devm_rtc_allocate_device(&client->dev);

	if (IS_ERR(rtc))

		return PTR_ERR(rtc);



	rtc->ops = &ds1672_rtc_ops;

	rtc->range_max = U32_MAX;



	err = rtc_register_device(rtc);

	if (err)

		return err;



	if (IS_ERR(rtc))

		return PTR_ERR(rtc);