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rtc: st-lpc: add range 

The RTC has a 64 bit counter.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2018-05-21 22:49:05 +02:00
parent d482510fee
commit b64c984ac8
1 changed files with 2 additions and 0 deletions
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2
drivers/rtc/rtc-st-lpc.c
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@ -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) {