linux-kernel - [PATCH 1/4] pinctrl: at91-pio4: use devm_clk_get

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Message-ID: <20230302110116.342486-2-claudiu.beznea@microchip.com>
Date:   Thu, 2 Mar 2023 13:01:13 +0200
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <ludovic.desroches@...rochip.com>, <linus.walleij@...aro.org>,
        <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [PATCH 1/4] pinctrl: at91-pio4: use devm_clk_get_enabled()

Use devm_clk_get_enabled() to simplify the code.

Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 drivers/pinctrl/pinctrl-at91-pio4.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c
index 39b233f73e13..0aceb723f94c 100644
--- a/drivers/pinctrl/pinctrl-at91-pio4.c
+++ b/drivers/pinctrl/pinctrl-at91-pio4.c
@@ -1098,7 +1098,7 @@ static int atmel_pinctrl_probe(struct platform_device *pdev)
 	if (IS_ERR(atmel_pioctrl->reg_base))
 		return PTR_ERR(atmel_pioctrl->reg_base);
 
-	atmel_pioctrl->clk = devm_clk_get(dev, NULL);
+	atmel_pioctrl->clk = devm_clk_get_enabled(dev, NULL);
 	if (IS_ERR(atmel_pioctrl->clk)) {
 		dev_err(dev, "failed to get clock\n");
 		return PTR_ERR(atmel_pioctrl->clk);
@@ -1219,25 +1219,19 @@ static int atmel_pinctrl_probe(struct platform_device *pdev)
 			i, irq);
 	}
 
-	ret = clk_prepare_enable(atmel_pioctrl->clk);
-	if (ret) {
-		dev_err(dev, "failed to prepare and enable clock\n");
-		goto clk_prepare_enable_error;
-	}
-
 	atmel_pioctrl->pinctrl_dev = devm_pinctrl_register(&pdev->dev,
 							   &atmel_pinctrl_desc,
 							   atmel_pioctrl);
 	if (IS_ERR(atmel_pioctrl->pinctrl_dev)) {
 		ret = PTR_ERR(atmel_pioctrl->pinctrl_dev);
 		dev_err(dev, "pinctrl registration failed\n");
-		goto clk_unprep;
+		goto irq_domain_remove_error;
 	}
 
 	ret = gpiochip_add_data(atmel_pioctrl->gpio_chip, atmel_pioctrl);
 	if (ret) {
 		dev_err(dev, "failed to add gpiochip\n");
-		goto clk_unprep;
+		goto irq_domain_remove_error;
 	}
 
 	ret = gpiochip_add_pin_range(atmel_pioctrl->gpio_chip, dev_name(dev),
@@ -1254,10 +1248,7 @@ static int atmel_pinctrl_probe(struct platform_device *pdev)
 gpiochip_add_pin_range_error:
 	gpiochip_remove(atmel_pioctrl->gpio_chip);
 
-clk_unprep:
-	clk_disable_unprepare(atmel_pioctrl->clk);
-
-clk_prepare_enable_error:
+irq_domain_remove_error:
 	irq_domain_remove(atmel_pioctrl->irq_domain);
 
 	return ret;
-- 
2.34.1