linux-kernel - [PATCH 1/4] rtc: coh901331: set range

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Message-Id: <20190407211027.14012-1-alexandre.belloni@bootlin.com>
Date:   Sun,  7 Apr 2019 23:10:24 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     linux-rtc@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 1/4] rtc: coh901331: set range

The COH 901 331 is a 32bit seconds counter.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-coh901331.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-coh901331.c b/drivers/rtc/rtc-coh901331.c
index 0b232c84f674..5b214db919d0 100644
--- a/drivers/rtc/rtc-coh901331.c
+++ b/drivers/rtc/rtc-coh901331.c
@@ -188,6 +188,13 @@ static int __init coh901331_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	rtap->rtc = devm_rtc_allocate_device(&pdev->dev);
+	if (IS_ERR(rtap->rtc))
+		return PTR_ERR(rtap->rtc);
+
+	rtap->rtc->ops = &coh901331_ops;
+	rtap->rtc->range_max = U32_MAX;
+
 	/* We enable/disable the clock only to assure it works */
 	ret = clk_prepare_enable(rtap->clk);
 	if (ret) {
@@ -197,12 +204,10 @@ static int __init coh901331_probe(struct platform_device *pdev)
 	clk_disable(rtap->clk);
 
 	platform_set_drvdata(pdev, rtap);
-	rtap->rtc = devm_rtc_device_register(&pdev->dev, "coh901331",
-					&coh901331_ops, THIS_MODULE);
-	if (IS_ERR(rtap->rtc)) {
-		ret = PTR_ERR(rtap->rtc);
+
+	ret = rtc_register_device(rtap->rtc);
+	if (ret)
 		goto out_no_rtc;
-	}
 
 	return 0;
 
-- 
2.20.1