diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2021-08-04 12:41:32 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2021-08-06 10:31:59 +0200 |
| commit | fffd603ae9f6ee1da47fa4ae4c70c324323bc201 (patch) | |
| tree | e06dcb2c360aeee9e80887920323379d63ac6f1f /drivers/rtc/rtc-s5m.c | |
| parent | 308247d20464a684f335001f2f835240e67f9126 (diff) | |
| download | linux-fffd603ae9f6ee1da47fa4ae4c70c324323bc201.tar.gz | |
rtc: s5m: set range
The S5M8763X type seems to handles dates from year 0000 to 9999, there is
no info on leap year handling after 2099. The other models handles dates
from 2000 to 2099.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210804104133.5158-4-alexandre.belloni@bootlin.com
Diffstat (limited to 'drivers/rtc/rtc-s5m.c')
| -rw-r--r-- | drivers/rtc/rtc-s5m.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/rtc/rtc-s5m.c b/drivers/rtc/rtc-s5m.c index 87df797758fc0..fb9c6b709e136 100644 --- a/drivers/rtc/rtc-s5m.c +++ b/drivers/rtc/rtc-s5m.c @@ -204,15 +204,9 @@ static int s5m8767_tm_to_data(struct rtc_time *tm, u8 *data) data[RTC_WEEKDAY] = 1 << tm->tm_wday; data[RTC_DATE] = tm->tm_mday; data[RTC_MONTH] = tm->tm_mon + 1; - data[RTC_YEAR1] = tm->tm_year > 100 ? (tm->tm_year - 100) : 0; + data[RTC_YEAR1] = tm->tm_year - 100; - if (tm->tm_year < 100) { - pr_err("RTC cannot handle the year %d\n", - 1900 + tm->tm_year); - return -EINVAL; - } else { - return 0; - } + return 0; } /* @@ -792,6 +786,14 @@ static int s5m_rtc_probe(struct platform_device *pdev) info->rtc_dev->ops = &s5m_rtc_ops; + if (info->device_type == S5M8763X) { + info->rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_0000; + info->rtc_dev->range_max = RTC_TIMESTAMP_END_9999; + } else { + info->rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_2000; + info->rtc_dev->range_max = RTC_TIMESTAMP_END_2099; + } + if (!info->irq) { clear_bit(RTC_FEATURE_ALARM, info->rtc_dev->features); } else { |