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path: root/drivers/rtc/m41t60.c
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Diffstat (limited to 'drivers/rtc/m41t60.c')
-rw-r--r--drivers/rtc/m41t60.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/rtc/m41t60.c b/drivers/rtc/m41t60.c
index 402a8c8..71bfc32 100644
--- a/drivers/rtc/m41t60.c
+++ b/drivers/rtc/m41t60.c
@@ -193,12 +193,12 @@ int rtc_get(struct rtc_time *tmp)
return 0;
}
-void rtc_set(struct rtc_time *tmp)
+int rtc_set(struct rtc_time *tmp)
{
uchar *const data = rtc_validate();
if (!data)
- return;
+ return -1;
debug("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
@@ -214,8 +214,10 @@ void rtc_set(struct rtc_time *tmp)
data[RTC_DAY] = bin2bcd(tmp->tm_wday + 1) & 0x07;
if (i2c_write(CFG_I2C_RTC_ADDR, 0, 1, data, RTC_REG_CNT)) {
printf("I2C write failed in rtc_set()\n");
- return;
+ return -1;
}
+
+ return 0;
}
void rtc_reset(void)