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List:       linux-gpio
Subject:    [PATCH 2/2] pinctrl: at91: Merge clk_prepare and clk_enable into clk_prepare_enable
From:       Alexander Stein <alexanders83 () web ! de>
Date:       2016-04-29 12:50:03
Message-ID: 1461934203-3206-2-git-send-email-alexanders83 () web ! de
[Download RAW message or body]

This simplifies the normal as well as the error path.

Signed-off-by: Alexander Stein <alexanders83@web.de>
---
 drivers/pinctrl/pinctrl-at91.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 29d57118e35c..e380333dad46 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1730,14 +1730,9 @@ static int at91_gpio_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	ret = clk_prepare(at91_chip->clock);
-	if (ret)
-		goto clk_prepare_err;
-
-	/* enable PIO controller's clock */
-	ret = clk_enable(at91_chip->clock);
+	ret = clk_prepare_enable(at91_chip->clock);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to enable clock, ignoring.\n");
+		dev_err(&pdev->dev, "failed to prepare and enable clock, ignoring.\n");
 		goto clk_enable_err;
 	}
 
@@ -1797,10 +1792,8 @@ static int at91_gpio_probe(struct platform_device *pdev)
 irq_setup_err:
 	gpiochip_remove(chip);
 gpiochip_add_err:
-	clk_disable(at91_chip->clock);
 clk_enable_err:
-	clk_unprepare(at91_chip->clock);
-clk_prepare_err:
+	clk_disable_unprepare(at91_chip->clock);
 err:
 	dev_err(&pdev->dev, "Failure %i for GPIO %i\n", ret, alias_idx);
 
-- 
2.8.1

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