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LWMON5: POST RTC fix

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Modify the RTC API to provide one a status for the time reported by
the rtc_get() function:
  0 - a reliable time is guaranteed,
< 0 - a reliable time isn't guaranteed (power fault, clock issues,
      and so on).

The RTC chip drivers are responsible for providing this info if the
corresponding chip supports such functionality. If not - always
report that the time is reliable.

The POST RTC test was modified to detect the RTC faults utilizing
this new rtc_get() feature.

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
This commit is contained in:
Yuri Tikhonov 2008-03-20 17:56:04 +03:00 • committed by Wolfgang Denk
parent 23e20aa648
commit b73a19e160
34 changed files with 146 additions and 45 deletions
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2
include/rtc.h
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@ -52,7 +52,7 @@ struct rtc_time {
int tm_isdst;
};
void rtc_get (struct rtc_time *);
int rtc_get (struct rtc_time *);
void rtc_set (struct rtc_time *);
void rtc_reset (void);