linux-kernel - [PATCH 2/2] rtc: st-lpc: add range

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Date:   Sun, 20 May 2018 14:33:37 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     linux-rtc@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Patrice Chotard <patrice.chotard@...com>,
        linux-arm-kernel@...ts.infradead.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 2/2] rtc: st-lpc: add range

The RTC has a 64 bit counter.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-st-lpc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/rtc/rtc-st-lpc.c b/drivers/rtc/rtc-st-lpc.c
index 2f1ef2c28740..df467ace397b 100644
--- a/drivers/rtc/rtc-st-lpc.c
+++ b/drivers/rtc/rtc-st-lpc.c
@@ -258,6 +258,7 @@ static int st_rtc_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, rtc);
 
 	rtc->rtc_dev->ops = &st_rtc_ops;
+	rtc->range_max = do_div(U64_MAX, rtc->clkrate);
 
 	ret = rtc_register_device(rtc->rtc_dev);
 	if (ret) {
-- 
2.17.0