diff options
| author |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-05-31 11:56:43 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-05-31 23:02:11 +0200 |
| commit | c36b52ed18c2b3d84b26cf8bedca0f6649aeb2b8 (patch) | |
| tree | 03a6b7a4be3fa1cc91b848581ba0bb0fe76cf916 /drivers/rtc/rtc-ds1685.c | |
| parent | rtc: ds1685: fix possible race condition (diff) | |
| download | linux-dev-c36b52ed18c2b3d84b26cf8bedca0f6649aeb2b8.tar.xz linux-dev-c36b52ed18c2b3d84b26cf8bedca0f6649aeb2b8.zip | |
rtc: ds1685: Add range
Useful range is 2000-2099 because leap year fails on centuries.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-ds1685.c')
| -rw-r--r-- | drivers/rtc/rtc-ds1685.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c index e6390475380f..5c0db6c8134c 100644 --- a/drivers/rtc/rtc-ds1685.c +++ b/drivers/rtc/rtc-ds1685.c @@ -2043,6 +2043,10 @@ ds1685_rtc_probe(struct platform_device *pdev) rtc_dev->ops = &ds1685_rtc_ops; + /* Century bit is useless because leap year fails in 1900 and 2100 */ + rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_2000; + rtc_dev->range_max = RTC_TIMESTAMP_END_2099; + /* Maximum periodic rate is 8192Hz (0.122070ms). */ rtc_dev->max_user_freq = RTC_MAX_USER_FREQ; |