summaryrefslogtreecommitdiff
path: root/drivers/rtc/m48t35ax.c
diff options
context:
space:
mode:
authorYuri Tikhonov <yur@emcraft.com>2008-03-20 17:56:04 +0300
committerWolfgang Denk <wd@denx.de>2008-03-20 21:48:46 +0100
commitb73a19e1609d0f705cbab8014ca17aefe89e4c76 (patch)
tree4f6752b24fe118da445233479396497d516a1e50 /drivers/rtc/m48t35ax.c
parent23e20aa6488e6c0622496549861bfdc74108debe (diff)
downloadu-boot-imx-b73a19e1609d0f705cbab8014ca17aefe89e4c76.zip
u-boot-imx-b73a19e1609d0f705cbab8014ca17aefe89e4c76.tar.gz
u-boot-imx-b73a19e1609d0f705cbab8014ca17aefe89e4c76.tar.bz2
LWMON5: POST RTC fix
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>
Diffstat (limited to 'drivers/rtc/m48t35ax.c')
-rw-r--r--drivers/rtc/m48t35ax.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/rtc/m48t35ax.c b/drivers/rtc/m48t35ax.c
index 0a0ffa8..be29279 100644
--- a/drivers/rtc/m48t35ax.c
+++ b/drivers/rtc/m48t35ax.c
@@ -42,7 +42,7 @@ static unsigned bcd2bin(uchar c);
/* ------------------------------------------------------------------------- */
-void rtc_get (struct rtc_time *tmp)
+int rtc_get (struct rtc_time *tmp)
{
uchar sec, min, hour, cent_day, date, month, year;
uchar ccr; /* Clock control register */
@@ -83,6 +83,8 @@ void rtc_get (struct rtc_time *tmp)
debug ( "Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+
+ return 0;
}
void rtc_set (struct rtc_time *tmp)