From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Mon, 21 May 2018 20:49:05 +0000 (+0200)
Subject: rtc: st-lpc: add range
X-Git-Tag: v4.18-rc1~64^2~22
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b64c984ac8c0806e8fee608d4e1d33d2e7f6fb0f;p=thirdparty%2Fkernel%2Flinux.git

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>
---

diff --git a/drivers/rtc/rtc-st-lpc.c b/drivers/rtc/rtc-st-lpc.c
index 2f1ef2c287408..bee75ca7ff79b 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) {