linux-kernel - [PATCH 04/24] Input: gpio-vibra - Simplify with dev_err

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Date:   Wed, 26 Aug 2020 20:16:46 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bastien Nocera <hadess@...ess.net>,
        Sangwon Jee <jeesw@...fas.com>,
        Eugen Hristev <eugen.hristev@...rochip.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 04/24] Input: gpio-vibra - Simplify with dev_err_probe()

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/input/misc/gpio-vibra.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/input/misc/gpio-vibra.c b/drivers/input/misc/gpio-vibra.c
index f79f75595dd7..53042e0ba9ee 100644
--- a/drivers/input/misc/gpio-vibra.c
+++ b/drivers/input/misc/gpio-vibra.c
@@ -114,21 +114,13 @@ static int gpio_vibrator_probe(struct platform_device *pdev)
 
 	vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");
 	err = PTR_ERR_OR_ZERO(vibrator->vcc);
-	if (err) {
-		if (err != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Failed to request regulator: %d\n",
-				err);
-		return err;
-	}
+	if (err)
+		return dev_err_probe(&pdev->dev, err, "Failed to request regulator\n");
 
 	vibrator->gpio = devm_gpiod_get(&pdev->dev, "enable", GPIOD_OUT_LOW);
 	err = PTR_ERR_OR_ZERO(vibrator->gpio);
-	if (err) {
-		if (err != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "Failed to request main gpio: %d\n",
-				err);
-		return err;
-	}
+	if (err)
+		return dev_err_probe(&pdev->dev, err, "Failed to request main gpio\n");
 
 	INIT_WORK(&vibrator->play_work, gpio_vibrator_play_work);
 
-- 
2.17.1