[PATCH v2] rtc: st-lpc: add range

From: Alexandre Belloni
Date: Mon May 21 2018 - 15:54:35 EST


The RTC has a 64 bit counter.

Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
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