diff options
| author |   Alessandro Zummo <a.zummo@towertech.it> | 2009-01-06 14:42:21 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 15:59:25 -0800 |
| commit | bbccf83f6c4e1a0de5bdf51ec9ec708d3a1ce933 (patch) | |
| tree | 8c9797c7914b0f7fc78e5878ef33ae5f3219a202 /drivers/rtc/interface.c | |
| parent | rtc: rtc-ds3234 fixes (diff) | |
| download | linux-dev-bbccf83f6c4e1a0de5bdf51ec9ec708d3a1ce933.tar.xz linux-dev-bbccf83f6c4e1a0de5bdf51ec9ec708d3a1ce933.zip | |
rtc: use set_mmss when set_time is not available
Drivers should only need to implement either set_mmss (counter based RTCs)
or set_time (most RTCs). The RTC subsystem will handle them
appropriately.
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: David Brownell <david-b@pacbell.net>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/interface.c')
| -rw-r--r-- | drivers/rtc/interface.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 50482d1321e8..4348c4b0d453 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -50,10 +50,15 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) if (!rtc->ops) err = -ENODEV; - else if (!rtc->ops->set_time) - err = -EINVAL; - else + else if (rtc->ops->set_time) err = rtc->ops->set_time(rtc->dev.parent, tm); + else if (rtc->ops->set_mmss) { + unsigned long secs; + err = rtc_tm_to_time(tm, &secs); + if (err == 0) + err = rtc->ops->set_mmss(rtc->dev.parent, secs); + } else + err = -EINVAL; mutex_unlock(&rtc->ops_lock); return err; |