diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-05-17 22:20:40 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-05-17 22:23:25 +0200 |
| commit | c402f8ead68ccd05d63f79ab729184498c3467b3 (patch) | |
| tree | 0c2fe6f5422b1b03c200f1bad6d376af2cbff0e6 /drivers/rtc/rtc-ab-b5ze-s3.c | |
| parent | 8bde032b280605c21a247557de9ee71e5835cab8 (diff) | |
| download | talos-obmc-linux-c402f8ead68ccd05d63f79ab729184498c3467b3.tar.gz talos-obmc-linux-c402f8ead68ccd05d63f79ab729184498c3467b3.zip | |
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: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-ab-b5ze-s3.c')
| -rw-r--r-- | drivers/rtc/rtc-ab-b5ze-s3.c | 11 |
1 files 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) { |
