linux-kernel - [PATCH 2/4] rtc: s3c: Add time range

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Message-Id: <20211019131724.3109-3-semen.protsenko@linaro.org>
Date:   Tue, 19 Oct 2021 16:17:22 +0300
From:   Sam Protsenko <semen.protsenko@...aro.org>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc:     linux-rtc@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] rtc: s3c: Add time range

This RTC driver only accepts dates from 2000 to 2099 year. It starts
counting from 2000 to avoid Y2K problem, and S3C RTC only supports 100
years range. Provide this info to RTC framework.

Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
---
 drivers/rtc/rtc-s3c.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 10e591794276..d9994efd70ef 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -454,6 +454,8 @@ static int s3c_rtc_probe(struct platform_device *pdev)
 	}
 
 	info->rtc->ops = &s3c_rtcops;
+	info->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
+	info->rtc->range_max = RTC_TIMESTAMP_END_2099;
 
 	ret = devm_rtc_register_device(info->rtc);
 	if (ret)
-- 
2.30.2