rtc: cpcap: set range

The CPCAP rtc is a 14bit day counter plus a 17bit seconds counter.

Note that this failed on Nov 10 2014 so it is very likely this driver as
never been used since.

Link: https://lore.kernel.org/r/20200306015703.42101-2-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-cpcap.c b/drivers/rtc/rtc-cpcap.c
index 35f0717661b3339e9b58733cb566bf8b6e3cfe2c..38f949730b1bcc6313c4e94411f39e05d66df157 100644 (file)
--- a/drivers/rtc/rtc-cpcap.c
+++ b/drivers/rtc/rtc-cpcap.c
@@ -261,6 +261,7 @@ static int cpcap_rtc_probe(struct platform_device *pdev)
                return PTR_ERR(rtc->rtc_dev);
 
        rtc->rtc_dev->ops = &cpcap_rtc_ops;
+       rtc->rtc_dev->range_max = (1 << 14) * SECS_PER_DAY - 1;
 
        err = cpcap_get_vendor(dev, rtc->regmap, &rtc->vendor);
        if (err)