linux-kernel - [PATCH 13/59] rtc: stm32: stop using deprecated RTC API

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Date:   Thu, 19 Nov 2020 12:41:03 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 13/59] rtc: stm32: stop using deprecated RTC API

From: Bartosz Golaszewski <bgolaszewski@...libre.com>

devm_rtc_device_register() is deprecated. Use devm_rtc_allocate_device()
and devm_rtc_register_device() pair instead.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/rtc/rtc-stm32.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c
index d774aa18f57a..9d6be4fa885d 100644
--- a/drivers/rtc/rtc-stm32.c
+++ b/drivers/rtc/rtc-stm32.c
@@ -795,14 +795,11 @@ static int stm32_rtc_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, rtc);
 
-	rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, pdev->name,
-						&stm32_rtc_ops, THIS_MODULE);
-	if (IS_ERR(rtc->rtc_dev)) {
-		ret = PTR_ERR(rtc->rtc_dev);
-		dev_err(&pdev->dev, "rtc device registration failed, err=%d\n",
-			ret);
-		goto err;
-	}
+	rtc->rtc_dev = devm_rtc_allocate_device(&pdev->dev);
+	if (IS_ERR(rtc->rtc_dev))
+		return PTR_ERR(rtc->rtc_dev);
+
+	rtc->rtc_dev->ops = &stm32_rtc_ops;
 
 	/* Handle RTC alarm interrupts */
 	ret = devm_request_threaded_irq(&pdev->dev, rtc->irq_alarm, NULL,
@@ -829,7 +826,12 @@ static int stm32_rtc_probe(struct platform_device *pdev)
 			 (ver >> STM32_RTC_VERR_MINREV_SHIFT) & 0xF);
 	}
 
+	ret = devm_rtc_register_device(rtc->rtc_dev);
+	if (ret)
+		goto err;
+
 	return 0;
+
 err:
 	if (rtc->data->has_pclk)
 		clk_disable_unprepare(rtc->pclk);
-- 
2.29.1