linux-kernel - [PATCH 1/7] rtc: jz4740: set range

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Message-Id: <20190418100045.29288-1-alexandre.belloni@bootlin.com>
Date:   Thu, 18 Apr 2019 12:00:39 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     linux-rtc@...r.kernel.org
Cc:     Paul Cercueil <paul@...pouillou.net>,
        Mathieu Malaterre <malat@...ian.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 1/7] rtc: jz4740: set range

RTC_SEC is a 32-bit seconds counter.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-jz4740.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index d0a891777f44..079469627bd7 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c
@@ -348,10 +348,18 @@ static int jz4740_rtc_probe(struct platform_device *pdev)
 
 	device_init_wakeup(&pdev->dev, 1);
 
-	rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
-					&jz4740_rtc_ops, THIS_MODULE);
+	rtc->rtc = devm_rtc_allocate_device(&pdev->dev);
 	if (IS_ERR(rtc->rtc)) {
 		ret = PTR_ERR(rtc->rtc);
+		dev_err(&pdev->dev, "Failed to allocate rtc device: %d\n", ret);
+		return ret;
+	}
+
+	rtc->rtc->ops = &jz4740_rtc_ops;
+	rtc->rtc->range_max = U32_MAX;
+
+	ret = rtc_register_device(rtc->rtc);
+	if (ret) {
 		dev_err(&pdev->dev, "Failed to register rtc device: %d\n", ret);
 		return ret;
 	}
-- 
2.20.1