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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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4
drivers/rtc/mcfrtc.c
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@@ -39,7 +39,7 @@
#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
#define STARTOFTIME 1970
void rtc_get(struct rtc_time *tmp)
int rtc_get(struct rtc_time *tmp)
{
volatile rtc_t *rtc = (rtc_t *) (CFG_MCFRTC_BASE);
@@ -64,6 +64,8 @@ void rtc_get(struct rtc_time *tmp)
tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
#endif
return 0;
}
void rtc_set(struct rtc_time *tmp)