The vr41xx RTC is a 48-bit counter counting at 32.768 kHz, giving a maximum value of 2^(48-15)-1 seconds. Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> --- drivers/rtc/rtc-vr41xx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c index 2f1212a25f7e..70f013e692b0 100644 --- a/drivers/rtc/rtc-vr41xx.c +++ b/drivers/rtc/rtc-vr41xx.c @@ -300,6 +300,8 @@ static int rtc_probe(struct platform_device *pdev) rtc->ops = &vr41xx_rtc_ops; + /* 48-bit counter at 32.768 kHz */ + rtc->range_max = (1ULL << 33) - 1; rtc->max_user_freq = MAX_PERIODIC_RATE; spin_lock_irq(&rtc_lock); -- 2.17.0
