Commit c402f8ea authored by Alexandre Belloni's avatar Alexandre Belloni

rtc: ab-b5ze-s3: let the core handle the RTC range

The ab-b5ze-s3 RTC is storing the year in an 8bit bcd coded register so it
can handle dates from year 2000 to year 2099.
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 8bde032b
...@@ -265,15 +265,6 @@ static int abb5zes3_rtc_set_time(struct device *dev, struct rtc_time *tm) ...@@ -265,15 +265,6 @@ static int abb5zes3_rtc_set_time(struct device *dev, struct rtc_time *tm)
u8 regs[ABB5ZES3_REG_RTC_SC + ABB5ZES3_RTC_SEC_LEN]; u8 regs[ABB5ZES3_REG_RTC_SC + ABB5ZES3_RTC_SEC_LEN];
int ret; int ret;
/*
* Year register is 8-bit wide and bcd-coded, i.e records values
* between 0 and 99. tm_year is an offset from 1900 and we are
* interested in the 2000-2099 range, so any value less than 100
* is invalid.
*/
if (tm->tm_year < 100)
return -EINVAL;
regs[ABB5ZES3_REG_RTC_SC] = bin2bcd(tm->tm_sec); /* MSB=0 clears OSC */ regs[ABB5ZES3_REG_RTC_SC] = bin2bcd(tm->tm_sec); /* MSB=0 clears OSC */
regs[ABB5ZES3_REG_RTC_MN] = bin2bcd(tm->tm_min); regs[ABB5ZES3_REG_RTC_MN] = bin2bcd(tm->tm_min);
regs[ABB5ZES3_REG_RTC_HR] = bin2bcd(tm->tm_hour); /* 24-hour format */ regs[ABB5ZES3_REG_RTC_HR] = bin2bcd(tm->tm_hour); /* 24-hour format */
...@@ -951,6 +942,8 @@ static int abb5zes3_probe(struct i2c_client *client, ...@@ -951,6 +942,8 @@ static int abb5zes3_probe(struct i2c_client *client,
} }
data->rtc->ops = &rtc_ops; data->rtc->ops = &rtc_ops;
data->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
data->rtc->range_max = RTC_TIMESTAMP_END_2099;
/* Enable battery low detection interrupt if battery not already low */ /* Enable battery low detection interrupt if battery not already low */
if (!data->battery_low && data->irq) { if (!data->battery_low && data->irq) {
......
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