diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2018-07-21 18:40:20 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-07-28 11:58:09 -0400 |
| commit | c5b53baeaa1ba32bdbfd492c1dc38b6f2b64484a (patch) | |
| tree | adafab7c60fb33bc5854d28edf02a4e69d0bbcd7 | |
| parent | a92b794f3203831b384cfd5bb700718ad9fdeb05 (diff) | |
drivers: rtc: correctly set week day for mc146818
The driver sets the weekday incorrectly when called by the
'date set' command.
Sunday is 1, Saturday is 7 unlike in U-Boot (see data sheet
https://www.nxp.com/docs/en/data-sheet/MC146818.pdf, table 3).
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
| -rw-r--r-- | drivers/rtc/mc146818.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/rtc/mc146818.c b/drivers/rtc/mc146818.c index ee29c711aa..4df443d84a 100644 --- a/drivers/rtc/mc146818.c +++ b/drivers/rtc/mc146818.c @@ -145,7 +145,8 @@ static int mc146818_set(struct rtc_time *tmp) mc146818_write8(RTC_YEAR, bin2bcd(tmp->tm_year % 100)); mc146818_write8(RTC_MONTH, bin2bcd(tmp->tm_mon)); - mc146818_write8(RTC_DAY_OF_WEEK, bin2bcd(tmp->tm_wday)); + /* Sunday = 1, Saturday = 7 */ + mc146818_write8(RTC_DAY_OF_WEEK, bin2bcd(tmp->tm_wday + 1)); mc146818_write8(RTC_DATE_OF_MONTH, bin2bcd(tmp->tm_mday)); mc146818_write8(RTC_HOURS, bin2bcd(tmp->tm_hour)); mc146818_write8(RTC_MINUTES, bin2bcd(tmp->tm_min)); |