diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2024-02-28 00:04:17 +0100 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2024-02-29 22:15:46 +0100 |
| commit | 4e7a9e2ea2f1fc145a56dff998bc8215525b0a1e (patch) | |
| tree | 35c6e45a12a743ae97cbd33af689dfbf1916af22 /drivers/rtc | |
| parent | f4282a4303dc7eada2543ea9b87e2b9bdec9344b (diff) | |
| download | linux-4e7a9e2ea2f1fc145a56dff998bc8215525b0a1e.tar.gz | |
rtc: ds1511: drop useless computation
All the callers of ds1511_rtc_set_time will use the same epoch for tm_year
which is defined as the number of years minus 1900 since POSIX.1-2001.
Link: https://lore.kernel.org/r/20240227230431.1837717-2-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-ds1511.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c index 87c52d20d31a2..a646bcf9cd56e 100644 --- a/drivers/rtc/rtc-ds1511.c +++ b/drivers/rtc/rtc-ds1511.c @@ -166,24 +166,13 @@ ds1511_wdog_disable(void) } #endif -/* - * set the rtc chip's idea of the time. - * stupidly, some callers call with year unmolested; - * and some call with year = year - 1900. thanks. - */ static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm) { u8 mon, day, dow, hrs, min, sec, yrs, cen; unsigned long flags; - /* - * won't have to change this for a while - */ - if (rtc_tm->tm_year < 1900) - rtc_tm->tm_year += 1900; - yrs = rtc_tm->tm_year % 100; - cen = rtc_tm->tm_year / 100; + cen = 19 + rtc_tm->tm_year / 100; mon = rtc_tm->tm_mon + 1; /* tm_mon starts at zero */ day = rtc_tm->tm_mday; dow = rtc_tm->tm_wday & 0x7; /* automatic BCD */ |