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rtc: ds1672: set range

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The ds1672 is a 32bit seconds counter.

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

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2019-04-07 23:05:34 +02:00
parent 43dae505da
commit d1fbe695d8
1 changed files with 11 additions and 5 deletions
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16
drivers/rtc/rtc-ds1672.c
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@ -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);