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: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
drivers/rtc/rtc-ab-b5ze-s3.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)
diff --git a/drivers/rtc/rtc-ab-b5ze-s3.c b/drivers/rtc/rtc-ab-b5ze-s3.c
index f486912577e7..2233601761ac 100644
--- a/drivers/rtc/rtc-ab-b5ze-s3.c
+++ b/drivers/rtc/rtc-ab-b5ze-s3.c
@@ -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];
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_MN] = bin2bcd(tm->tm_min);
regs[ABB5ZES3_REG_RTC_HR] = bin2bcd(tm->tm_hour); /* 24-hour format */
@@ -951,6 +942,8 @@ static int abb5zes3_probe(struct i2c_client *client,
}
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 */
if (!data->battery_low && data->irq) {
--
2.17.0
