linux-kernel - [PATCH 1/3] rtc: cpcap: convert to devm_rtc_allocate

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Date:   Fri,  6 Mar 2020 02:57:01 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] rtc: cpcap: 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-cpcap.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/rtc/rtc-cpcap.c b/drivers/rtc/rtc-cpcap.c
index 6a3b70fd7e1f..35f0717661b3 100644
--- a/drivers/rtc/rtc-cpcap.c
+++ b/drivers/rtc/rtc-cpcap.c
@@ -256,12 +256,12 @@ static int cpcap_rtc_probe(struct platform_device *pdev)
 		return -ENODEV;
 
 	platform_set_drvdata(pdev, rtc);
-	rtc->rtc_dev = devm_rtc_device_register(dev, "cpcap_rtc",
-						&cpcap_rtc_ops, THIS_MODULE);
-
+	rtc->rtc_dev = devm_rtc_allocate_device(dev);
 	if (IS_ERR(rtc->rtc_dev))
 		return PTR_ERR(rtc->rtc_dev);
 
+	rtc->rtc_dev->ops = &cpcap_rtc_ops;
+
 	err = cpcap_get_vendor(dev, rtc->regmap, &rtc->vendor);
 	if (err)
 		return err;
@@ -298,7 +298,7 @@ static int cpcap_rtc_probe(struct platform_device *pdev)
 		/* ignore error and continue without wakeup support */
 	}
 
-	return 0;
+	return rtc_register_device(rtc->rtc_dev);
 }
 
 static const struct of_device_id cpcap_rtc_of_match[] = {
-- 
2.24.1