if the rtc button cell is on low voltage this can result in a permanent bootloop in u-boot because V2F Register is permanent set.
### Warning: temperature compensation has stopped ### Warning: Voltage low, data is invalid resetting ...
With this patch the bootloop is prevented
Signed-off-by: Oliver Graute oliver.graute@kococonnector.com --- drivers/rtc/rv8803.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/rtc/rv8803.c b/drivers/rtc/rv8803.c index 06a4ae89fa..75debac607 100644 --- a/drivers/rtc/rv8803.c +++ b/drivers/rtc/rv8803.c @@ -79,7 +79,6 @@ static int rv8803_rtc_get(struct udevice *dev, struct rtc_time *tm)
if (flags & RTC_FLAG_BIT_V2F) { printf("### Warning: Voltage low, data is invalid\n"); - return -1; }
ret = dm_i2c_read(dev, 0, buf, sizeof(buf));