to_tm() hardcodes wday to -1 as "No-one uses the day of the week".
But recently rtc driver ds1307 does care and tries to correct wday.
Add wday calculation(stolen from rtc_time64_to_tm) to to_tm() to please ds1307.
Signed-off-by: Joakim Tjernlund <joakim.tjernl...@infinera.com>
---
arch/powerpc/kernel/time.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index fe6f3a285455..f4a09ee01944 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -1160,6 +1160,9 @@ void to_tm(int tim, struct rtc_time * tm)
day = tim / SECDAY;
hms = tim % SECDAY;
+ /* day of the week, 1970-01-01 was a Thursday */
+ tm->tm_wday = (day + 4) % 7;
+
/* Hours, minutes, seconds are easy */
tm->tm_hour = hms / 3600;
tm->tm_min = (hms % 3600) / 60;
@@ -1180,11 +1183,6 @@ void to_tm(int tim, struct rtc_time * tm)
/* Days are what is left over (+1) from all that. */
tm->tm_mday = day + 1;
-
- /*
- * No-one uses the day of the week.
- */
- tm->tm_wday = -1;
}
EXPORT_SYMBOL(to_tm);
--
2.16.4
