From b139bb5c262bb0d152d541a1715792364ad121ce Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Tue, 5 May 2020 22:13:07 +0200 Subject: rtc: pcf2127: let the core handle rtc range Let the core handle offsetting and windowing the RTC range. Link: https://lore.kernel.org/r/20200505201310.255145-2-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-pcf2127.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers/rtc') diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c index 4e50d6768f13..136709baaa88 100644 --- a/drivers/rtc/rtc-pcf2127.c +++ b/drivers/rtc/rtc-pcf2127.c @@ -137,8 +137,7 @@ static int pcf2127_rtc_read_time(struct device *dev, struct rtc_time *tm) tm->tm_wday = buf[PCF2127_REG_DW] & 0x07; tm->tm_mon = bcd2bin(buf[PCF2127_REG_MO] & 0x1F) - 1; /* rtc mn 1-12 */ tm->tm_year = bcd2bin(buf[PCF2127_REG_YR]); - if (tm->tm_year < 70) - tm->tm_year += 100; /* assume we are in 1970...2069 */ + tm->tm_year += 100; dev_dbg(dev, "%s: tm is secs=%d, mins=%d, hours=%d, " "mday=%d, mon=%d, year=%d, wday=%d\n", @@ -172,7 +171,7 @@ static int pcf2127_rtc_set_time(struct device *dev, struct rtc_time *tm) buf[i++] = bin2bcd(tm->tm_mon + 1); /* year */ - buf[i++] = bin2bcd(tm->tm_year % 100); + buf[i++] = bin2bcd(tm->tm_year - 100); /* write register's data */ err = regmap_bulk_write(pcf2127->regmap, PCF2127_REG_SC, buf, i); @@ -433,6 +432,9 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap, return PTR_ERR(pcf2127->rtc); pcf2127->rtc->ops = &pcf2127_rtc_ops; + pcf2127->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; + pcf2127->rtc->range_max = RTC_TIMESTAMP_END_2099; + pcf2127->rtc->set_start_time = true; /* Sets actual start to 1970 */ pcf2127->wdd.parent = dev; pcf2127->wdd.info = &pcf2127_wdt_info; -- cgit v1.2.3