The Sun4v Hypervisor Core API Specification states: Time is described by a single unsigned 64-bit word equivalent to a time_t for the POSIX time(2) system call. The word contains the time since the Epoch (00:00:00 UTC, January 1, 1970), measured in seconds. Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> --- drivers/rtc/rtc-sun4v.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/rtc/rtc-sun4v.c b/drivers/rtc/rtc-sun4v.c index 378081fffa91..82fb51f79c6e 100644 --- a/drivers/rtc/rtc-sun4v.c +++ b/drivers/rtc/rtc-sun4v.c @@ -78,13 +78,15 @@ static int __init sun4v_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; - rtc = devm_rtc_device_register(&pdev->dev, "sun4v", - &sun4v_rtc_ops, THIS_MODULE); + rtc = devm_rtc_allocate_device(&pdev->dev); if (IS_ERR(rtc)) return PTR_ERR(rtc); + rtc->ops = &sun4v_rtc_ops; + rtc->range_max = U64_MAX; platform_set_drvdata(pdev, rtc); - return 0; + + return rtc_register_device(rtc); } static struct platform_driver sun4v_rtc_driver = { -- 2.20.1