linux-kernel - [PATCH 44/59] rtc: rs5c372: stop using deprecated RTC API

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Message-Id: <20201119114149.4117-45-brgl@bgdev.pl>
Date:   Thu, 19 Nov 2020 12:41:34 +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 44/59] rtc: rs5c372: 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.

While at it: remove unnecessary label.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/rtc/rtc-rs5c372.c | 36 +++++++++++++-----------------------
 1 file changed, 13 insertions(+), 23 deletions(-)

diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c
index 3bd6eaa0dcf6..d554c891706b 100644
--- a/drivers/rtc/rtc-rs5c372.c
+++ b/drivers/rtc/rtc-rs5c372.c
@@ -631,19 +631,15 @@ static int rs5c372_probe(struct i2c_client *client,
 				I2C_FUNC_SMBUS_BYTE_DATA |
 				I2C_FUNC_SMBUS_I2C_BLOCK))
 			smbus_mode = 1;
-		else {
+		else
 			/* Still no good, give up */
-			err = -ENODEV;
-			goto exit;
-		}
+			return -ENODEV;
 	}
 
 	rs5c372 = devm_kzalloc(&client->dev, sizeof(struct rs5c372),
 				GFP_KERNEL);
-	if (!rs5c372) {
-		err = -ENOMEM;
-		goto exit;
-	}
+	if (!rs5c372)
+		return -ENOMEM;
 
 	rs5c372->client = client;
 	i2c_set_clientdata(client, rs5c372);
@@ -659,7 +655,7 @@ static int rs5c372_probe(struct i2c_client *client,
 
 	err = rs5c_get_regs(rs5c372);
 	if (err < 0)
-		goto exit;
+		return err;
 
 	/* clock may be set for am/pm or 24 hr time */
 	switch (rs5c372->type) {
@@ -683,7 +679,7 @@ static int rs5c372_probe(struct i2c_client *client,
 		break;
 	default:
 		dev_err(&client->dev, "unknown RTC type\n");
-		goto exit;
+		return err;
 	}
 
 	/* if the oscillator lost power and no other software (like
@@ -695,7 +691,7 @@ static int rs5c372_probe(struct i2c_client *client,
 	err = rs5c_oscillator_setup(rs5c372);
 	if (unlikely(err < 0)) {
 		dev_err(&client->dev, "setup error\n");
-		goto exit;
+		return err;
 	}
 
 	dev_info(&client->dev, "%s found, %s\n",
@@ -712,23 +708,17 @@ static int rs5c372_probe(struct i2c_client *client,
 			);
 
 	/* REVISIT use client->irq to register alarm irq ... */
-	rs5c372->rtc = devm_rtc_device_register(&client->dev,
-					rs5c372_driver.driver.name,
-					&rs5c372_rtc_ops, THIS_MODULE);
+	rs5c372->rtc = devm_rtc_allocate_device(&client->dev);
+	if (IS_ERR(rs5c372->rtc))
+		return PTR_ERR(rs5c372->rtc);
 
-	if (IS_ERR(rs5c372->rtc)) {
-		err = PTR_ERR(rs5c372->rtc);
-		goto exit;
-	}
+	rs5c372->rtc->ops = &rs5c372_rtc_ops;
 
 	err = rs5c_sysfs_register(&client->dev);
 	if (err)
-		goto exit;
-
-	return 0;
+		return err;
 
-exit:
-	return err;
+	return devm_rtc_register_device(rs5c372->rtc);
 }
 
 static int rs5c372_remove(struct i2c_client *client)
-- 
2.29.1