linux-kernel - [PATCH V2 3/9] mfd: intel_msic: use devm_gpio_request

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Message-id: <001101ce0f4c$b078f010$116ad030$%han@samsung.com>
Date:	Wed, 20 Feb 2013 18:28:49 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Samuel Ortiz' <sameo@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org, 'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH V2 3/9] mfd: intel_msic: use devm_gpio_request_one()

Use devm_gpio_request_one() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
No changes since v1:

 drivers/mfd/intel_msic.c |   10 ++--------
 1 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/mfd/intel_msic.c b/drivers/mfd/intel_msic.c
index 1804331..5be3b5e 100644
--- a/drivers/mfd/intel_msic.c
+++ b/drivers/mfd/intel_msic.c
@@ -323,7 +323,8 @@ static int intel_msic_init_devices(struct intel_msic *msic)
 	if (pdata->ocd) {
 		unsigned gpio = pdata->ocd->gpio;
 
-		ret = gpio_request_one(gpio, GPIOF_IN, "ocd_gpio");
+		ret = devm_gpio_request_one(&pdev->dev, gpio,
+					GPIOF_IN, "ocd_gpio");
 		if (ret) {
 			dev_err(&pdev->dev, "failed to register OCD GPIO\n");
 			return ret;
@@ -332,7 +333,6 @@ static int intel_msic_init_devices(struct intel_msic *msic)
 		ret = gpio_to_irq(gpio);
 		if (ret < 0) {
 			dev_err(&pdev->dev, "no IRQ number for OCD GPIO\n");
-			gpio_free(gpio);
 			return ret;
 		}
 
@@ -359,8 +359,6 @@ static int intel_msic_init_devices(struct intel_msic *msic)
 
 fail:
 	mfd_remove_devices(&pdev->dev);
-	if (pdata->ocd)
-		gpio_free(pdata->ocd->gpio);
 
 	return ret;
 }
@@ -368,12 +366,8 @@ fail:
 static void intel_msic_remove_devices(struct intel_msic *msic)
 {
 	struct platform_device *pdev = msic->pdev;
-	struct intel_msic_platform_data *pdata = pdev->dev.platform_data;
 
 	mfd_remove_devices(&pdev->dev);
-
-	if (pdata->ocd)
-		gpio_free(pdata->ocd->gpio);
 }
 
 static int intel_msic_probe(struct platform_device *pdev)
-- 
1.7.2.5


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