linux-kernel - [PATCH v3 2/7] pinctrl: sunxi: disable clk when failing to probe pin controller

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Date:	Thu, 10 Apr 2014 15:52:41 +0200
From:	Boris BREZILLON <boris.brezillon@...e-electrons.com>
To:	Randy Dunlap <rdunlap@...radead.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Emilio López <emilio@...pez.com.ar>,
	Mike Turquette <mturquette@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Chen-Yu Tsai <wens@...e.org>,
	Hans de Goede <hdegoede@...hat.com>
Cc:	Shuge <shuge@...winnertech.com>, kevin@...winnertech.com,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	dev@...ux-sunxi.org,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>
Subject: [PATCH v3 2/7] pinctrl: sunxi: disable clk when failing to probe pin controller

Disable the clk when failing to probe the pin controller device.

Signed-off-by: Boris BREZILLON <boris.brezillon@...e-electrons.com>
---
 drivers/pinctrl/pinctrl-sunxi.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index 2d9ca1c..73d11e2 100644
--- a/drivers/pinctrl/pinctrl-sunxi.c
+++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -891,7 +891,7 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
 	pctl->irq = irq_of_parse_and_map(node, 0);
 	if (!pctl->irq) {
 		ret = -EINVAL;
-		goto gpiochip_error;
+		goto clk_error;
 	}
 
 	pctl->domain = irq_domain_add_linear(node, SUNXI_IRQ_NUMBER,
@@ -899,7 +899,7 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
 	if (!pctl->domain) {
 		dev_err(&pdev->dev, "Couldn't register IRQ domain\n");
 		ret = -ENOMEM;
-		goto gpiochip_error;
+		goto clk_error;
 	}
 
 	for (i = 0; i < SUNXI_IRQ_NUMBER; i++) {
@@ -917,6 +917,8 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
 
 	return 0;
 
+clk_error:
+	clk_disable_unprepare(clk);
 gpiochip_error:
 	if (gpiochip_remove(pctl->chip))
 		dev_err(&pdev->dev, "failed to remove gpio chip\n");
-- 
1.8.3.2

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