linux-kernel - [PATCH 2/6] rtc: at91sam9: convert to devm_rtc_allocate

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Message-Id: <20190320124042.14141-2-alexandre.belloni@bootlin.com>
Date:   Wed, 20 Mar 2019 13:40:38 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     linux-rtc@...r.kernel.org
Cc:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 2/6] rtc: at91sam9: convert to devm_rtc_allocate_device

This allows further improvement of the driver.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-at91sam9.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 7ec114b59513..cbbf8121dca0 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -418,13 +418,14 @@ static int at91_rtc_probe(struct platform_device *pdev)
 	mr &= ~(AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN);
 	rtt_writel(rtc, MR, mr);
 
-	rtc->rtcdev = devm_rtc_device_register(&pdev->dev, pdev->name,
-					&at91_rtc_ops, THIS_MODULE);
+	rtc->rtcdev = devm_rtc_allocate_device(&pdev->dev);
 	if (IS_ERR(rtc->rtcdev)) {
 		ret = PTR_ERR(rtc->rtcdev);
 		goto err_clk;
 	}
 
+	rtc->rtcdev->ops = &at91_rtc_ops;
+
 	/* register irq handler after we know what name we'll use */
 	ret = devm_request_irq(&pdev->dev, rtc->irq, at91_rtc_interrupt,
 			       IRQF_SHARED | IRQF_COND_SUSPEND,
@@ -444,7 +445,7 @@ static int at91_rtc_probe(struct platform_device *pdev)
 		dev_warn(&pdev->dev, "%s: SET TIME!\n",
 				dev_name(&rtc->rtcdev->dev));
 
-	return 0;
+	return rtc_register_device(rtc->rtcdev);
 
 err_clk:
 	clk_disable_unprepare(rtc->sclk);
-- 
2.20.1