summaryrefslogtreecommitdiffstats
path: root/drivers/rtc
diff options
context:
space:
mode:
authorAlexandre Belloni <alexandre.belloni@bootlin.com>2019-12-14 23:10:19 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2019-12-18 10:38:07 +0100
commitcbc943eb37ca1ce2c1c05de54d9768bb7824a7aa (patch)
tree3500686c35f6c7af6bf10ca2e139af409b05c7b6 /drivers/rtc
parent9346f870664332f01b7e375e0d35c76cebb7dc5d (diff)
downloadlinux-cbc943eb37ca1ce2c1c05de54d9768bb7824a7aa.tar.bz2
rtc: rv3029: let the core handle rtc range
Despite the comment, the RV3029 uses a 7bit BCD register for the year, making 2079 the last supported year. Link: https://lore.kernel.org/r/20191214221022.622482-14-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-rv3029c2.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c
index 686a0d0e212a..9c3a00a3e41b 100644
--- a/drivers/rtc/rtc-rv3029c2.c
+++ b/drivers/rtc/rtc-rv3029c2.c
@@ -405,14 +405,6 @@ static int rv3029_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
int ret;
u8 regs[8];
- /*
- * The clock has an 8 bit wide bcd-coded register (they never learn)
- * for the year. 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;
-
/* Activate all the alarms with AE_x bit */
regs[RV3029_A_SC - RV3029_A_SC] = bin2bcd(tm->tm_sec) | RV3029_A_AE_X;
regs[RV3029_A_MN - RV3029_A_SC] = bin2bcd(tm->tm_min) | RV3029_A_AE_X;
@@ -442,14 +434,6 @@ static int rv3029_set_time(struct device *dev, struct rtc_time *tm)
u8 regs[8];
int ret;
- /*
- * The clock has an 8 bit wide bcd-coded register (they never learn)
- * for the year. 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[RV3029_W_SEC - RV3029_W_SEC] = bin2bcd(tm->tm_sec);
regs[RV3029_W_MINUTES - RV3029_W_SEC] = bin2bcd(tm->tm_min);
regs[RV3029_W_HOURS - RV3029_W_SEC] = bin2bcd(tm->tm_hour);
@@ -751,6 +735,8 @@ static int rv3029_probe(struct device *dev, struct regmap *regmap, int irq,
}
rv3029->rtc->ops = &rv3029_rtc_ops;
+ rv3029->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
+ rv3029->rtc->range_max = RTC_TIMESTAMP_END_2079;
return rtc_register_device(rv3029->rtc);
}