The RTC has a 64 bit counter. Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> --- drivers/rtc/rtc-st-lpc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/rtc/rtc-st-lpc.c b/drivers/rtc/rtc-st-lpc.c index 2f1ef2c28740..df467ace397b 100644 --- a/drivers/rtc/rtc-st-lpc.c +++ b/drivers/rtc/rtc-st-lpc.c @@ -258,6 +258,7 @@ static int st_rtc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rtc); rtc->rtc_dev->ops = &st_rtc_ops; + rtc->range_max = do_div(U64_MAX, rtc->clkrate); ret = rtc_register_device(rtc->rtc_dev); if (ret) { -- 2.17.0