From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: linux-rtc@vger.kernel.org
Cc: Tony Prisk <linux@prisktech.co.nz>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Alexandre Belloni <alexandre.belloni@bootlin.com>
Subject: [PATCH 5/5] rtc: vt8500: let the core handle rtc range
Date: Wed, 16 Oct 2019 22:16:26 +0200 [thread overview]
Message-ID: <20191016201626.31309-5-alexandre.belloni@bootlin.com> (raw)
In-Reply-To: <20191016201626.31309-1-alexandre.belloni@bootlin.com>
Let the rtc core check the date/time against the RTC range.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-vt8500.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index 0761478861f8..e2588625025f 100644
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -122,12 +122,6 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
struct vt8500_rtc *vt8500_rtc = dev_get_drvdata(dev);
- if (tm->tm_year < 100) {
- dev_warn(dev, "Only years 2000-2199 are supported by the "
- "hardware!\n");
- return -EINVAL;
- }
-
writel((bin2bcd(tm->tm_year % 100) << DATE_YEAR_S)
| (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S)
| (bin2bcd(tm->tm_mday))
@@ -227,6 +221,8 @@ static int vt8500_rtc_probe(struct platform_device *pdev)
return PTR_ERR(vt8500_rtc->rtc);
vt8500_rtc->rtc->ops = &vt8500_rtc_ops;
+ vt8500_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
+ vt8500_rtc->rtc->range_max = RTC_TIMESTAMP_END_2199;
ret = devm_request_irq(&pdev->dev, vt8500_rtc->irq_alarm,
vt8500_rtc_irq, 0, "rtc alarm", vt8500_rtc);
--
2.21.0
prev parent reply other threads:[~2019-10-16 20:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-16 20:16 [PATCH 1/5] rtc: add timestamp for end of 2199 Alexandre Belloni
2019-10-16 20:16 ` [PATCH 2/5] rtc: vt8500: remove useless label Alexandre Belloni
2019-10-16 20:16 ` [PATCH 3/5] rtc: vt8500: remove superfluous error message Alexandre Belloni
2019-10-16 20:16 ` [PATCH 4/5] rtc: vt8500: convert to devm_rtc_allocate_device Alexandre Belloni
2019-10-16 20:16 ` Alexandre Belloni [this message]
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