linux-kernel - [PATCH v1 2/5] w1: gpio: Switch to use dev_err

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Date: Thu,  7 Mar 2024 16:35:48 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 2/5] w1: gpio: Switch to use dev_err_probe()

Switch to use dev_err_probe() to simplify the error path and
unify a message template.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/w1/masters/w1-gpio.c | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c
index 8ea53c757c99..a5ac34b32f54 100644
--- a/drivers/w1/masters/w1-gpio.c
+++ b/drivers/w1/masters/w1-gpio.c
@@ -91,18 +91,14 @@ static int w1_gpio_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	ddata->gpiod = devm_gpiod_get_index(dev, NULL, 0, gflags);
-	if (IS_ERR(ddata->gpiod)) {
-		dev_err(dev, "gpio_request (pin) failed\n");
-		return PTR_ERR(ddata->gpiod);
-	}
+	if (IS_ERR(ddata->gpiod))
+		return dev_err_probe(dev, PTR_ERR(ddata->gpiod), "gpio_request (pin) failed\n");
 
 	ddata->pullup_gpiod =
 		devm_gpiod_get_index_optional(dev, NULL, 1, GPIOD_OUT_LOW);
-	if (IS_ERR(ddata->pullup_gpiod)) {
-		dev_err(dev, "gpio_request_one "
-			"(ext_pullup_enable_pin) failed\n");
-		return PTR_ERR(ddata->pullup_gpiod);
-	}
+	if (IS_ERR(ddata->pullup_gpiod))
+		return dev_err_probe(dev, PTR_ERR(ddata->pullup_gpiod),
+				     "gpio_request (ext_pullup_enable_pin) failed\n");
 
 	master->data = ddata;
 	master->read_bit = w1_gpio_read_bit;
@@ -119,10 +115,8 @@ static int w1_gpio_probe(struct platform_device *pdev)
 		master->set_pullup = w1_gpio_set_pullup;
 
 	err = w1_add_master_device(master);
-	if (err) {
-		dev_err(dev, "w1_add_master device failed\n");
-		return err;
-	}
+	if (err)
+		return dev_err_probe(dev, err, "w1_add_master device failed\n");
 
 	if (ddata->pullup_gpiod)
 		gpiod_set_value(ddata->pullup_gpiod, 1);
-- 
2.43.0.rc1.1.gbec44491f096