diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-11-18 01:27:46 +0100 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-11-19 12:52:25 +0100 |
| commit | 219cc0f9189759cf6e22a935c20df3654331037f (patch) | |
| tree | 8c711ed854e5dbc0b297a88f5af278de42573d71 /drivers/rtc/rtc-pcf8523.c | |
| parent | 886144058d53db85b269256922e71b5462c53c60 (diff) | |
| download | linux-219cc0f9189759cf6e22a935c20df3654331037f.tar.bz2 | |
rtc: pcf8523: set range
Set the th RTC range, it is a classic BCD RTC, considering 00 as a leap
year. Let the core handle range checking.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201118002747.1346504-2-alexandre.belloni@bootlin.com
Diffstat (limited to 'drivers/rtc/rtc-pcf8523.c')
| -rw-r--r-- | drivers/rtc/rtc-pcf8523.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c index b525998cd70e..d5f913cb2ec9 100644 --- a/drivers/rtc/rtc-pcf8523.c +++ b/drivers/rtc/rtc-pcf8523.c @@ -226,17 +226,6 @@ static int pcf8523_rtc_set_time(struct device *dev, struct rtc_time *tm) u8 regs[8]; int err; - /* - * The hardware can only store values between 0 and 99 in it's YEAR - * register (with 99 overflowing to 0 on increment). - * After 2100-02-28 we could start interpreting the year to be in the - * interval [2100, 2199], but there is no path to switch in a smooth way - * because the chip handles YEAR=0x00 (and the out-of-spec - * YEAR=0xa0) as a leap year, but 2100 isn't. - */ - if (tm->tm_year < 100 || tm->tm_year >= 200) - return -EINVAL; - err = pcf8523_stop_rtc(client); if (err < 0) return err; @@ -361,6 +350,8 @@ static int pcf8523_probe(struct i2c_client *client, return PTR_ERR(rtc); rtc->ops = &pcf8523_rtc_ops; + rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; + rtc->range_max = RTC_TIMESTAMP_END_2099; return devm_rtc_register_device(rtc); } |