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path: root/drivers/rtc
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Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-mt6397.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
index 1617063669cc..4785af123a7f 100644
--- a/drivers/rtc/rtc-mt6397.c
+++ b/drivers/rtc/rtc-mt6397.c
@@ -96,12 +96,6 @@ static int mtk_rtc_read_time(struct device *dev, struct rtc_time *tm)
goto exit;
} while (sec < tm->tm_sec);
- /* HW register use 7 bits to store year data, minus
- * RTC_MIN_YEAR_OFFSET before write year data to register, and plus
- * RTC_MIN_YEAR_OFFSET back after read year from register
- */
- tm->tm_year += RTC_MIN_YEAR_OFFSET;
-
/* HW register start mon from one, but tm_mon start from zero. */
tm->tm_mon--;
time = rtc_tm_to_time64(tm);
@@ -122,7 +116,6 @@ static int mtk_rtc_set_time(struct device *dev, struct rtc_time *tm)
int ret;
u16 data[RTC_OFFSET_COUNT];
- tm->tm_year -= RTC_MIN_YEAR_OFFSET;
tm->tm_mon++;
data[RTC_OFFSET_SEC] = tm->tm_sec;
@@ -178,7 +171,6 @@ static int mtk_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
tm->tm_mon = data[RTC_OFFSET_MTH] & RTC_AL_MTH_MASK;
tm->tm_year = data[RTC_OFFSET_YEAR] & RTC_AL_YEA_MASK;
- tm->tm_year += RTC_MIN_YEAR_OFFSET;
tm->tm_mon--;
return 0;
@@ -194,7 +186,6 @@ static int mtk_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
int ret;
u16 data[RTC_OFFSET_COUNT];
- tm->tm_year -= RTC_MIN_YEAR_OFFSET;
tm->tm_mon++;
mutex_lock(&rtc->lock);
@@ -302,6 +293,10 @@ static int mtk_rtc_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
rtc->rtc_dev->ops = &mtk_rtc_ops;
+ rtc->rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_1900;
+ rtc->rtc_dev->range_max = mktime64(2027, 12, 31, 23, 59, 59);
+ rtc->rtc_dev->start_secs = mktime64(1968, 1, 2, 0, 0, 0);
+ rtc->rtc_dev->set_start_time = true;
return devm_rtc_register_device(rtc->rtc_dev);
}