The RTC has a 64 bit counter.

Signed-off-by: Alexandre Belloni <[email protected]>
---
 drivers/rtc/rtc-st-lpc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-st-lpc.c b/drivers/rtc/rtc-st-lpc.c
index 2f1ef2c28740..bee75ca7ff79 100644
--- a/drivers/rtc/rtc-st-lpc.c
+++ b/drivers/rtc/rtc-st-lpc.c
@@ -258,6 +258,8 @@ static int st_rtc_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, rtc);
 
        rtc->rtc_dev->ops = &st_rtc_ops;
+       rtc->rtc_dev->range_max = U64_MAX;
+       do_div(rtc->rtc_dev->range_max, rtc->clkrate);
 
        ret = rtc_register_device(rtc->rtc_dev);
        if (ret) {
-- 
2.17.0

Reply via email to