From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Mon, 28 Jul 2014 16:11:33 +0000 (+0200)
Subject: NFC: st21nfcb: Convert to use devm_gpio_request_one
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=56ee645e304c9b86b48768de8e52babd5b6e1d8a;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

NFC: st21nfcb: Convert to use devm_gpio_request_one

Simplify the code a bit as mention by Axel Lin in a previous patch for
st21nfca.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

diff --git a/drivers/nfc/st21nfcb/i2c.c b/drivers/nfc/st21nfcb/i2c.c
index 5a166cde35bc..7ae9767dbcce 100644
--- a/drivers/nfc/st21nfcb/i2c.c
+++ b/drivers/nfc/st21nfcb/i2c.c
@@ -273,18 +273,12 @@ static int st21nfcb_nci_i2c_of_request_resources(struct i2c_client *client)
 	}
 
 	/* GPIO request and configuration */
-	r = devm_gpio_request(&client->dev, gpio, "clf_reset");
+	r = devm_gpio_request_one(&client->dev, gpio,
+				GPIOF_OUT_INIT_HIGH, "clf_reset");
 	if (r) {
 		nfc_err(&client->dev, "Failed to request reset pin\n");
 		return -ENODEV;
 	}
-
-	r = gpio_direction_output(gpio, 1);
-	if (r) {
-		nfc_err(&client->dev,
-			"Failed to set reset pin direction as output\n");
-		return -ENODEV;
-	}
 	phy->gpio_reset = gpio;
 
 	/* IRQ */
@@ -325,32 +319,20 @@ static int st21nfcb_nci_i2c_request_resources(struct i2c_client *client)
 	phy->gpio_reset = pdata->gpio_reset;
 	phy->irq_polarity = pdata->irq_polarity;
 
-	r = devm_gpio_request(&client->dev, phy->gpio_irq, "wake_up");
+	r = devm_gpio_request_one(&client->dev, phy->gpio_irq,
+				GPIOF_IN, "clf_irq");
 	if (r) {
 		pr_err("%s : gpio_request failed\n", __FILE__);
 		return -ENODEV;
 	}
 
-	r = gpio_direction_input(phy->gpio_irq);
-	if (r) {
-		pr_err("%s : gpio_direction_input failed\n", __FILE__);
-		return -ENODEV;
-	}
-
-	r = devm_gpio_request(&client->dev,
-			      phy->gpio_reset, "clf_reset");
+	r = devm_gpio_request_one(&client->dev,
+			phy->gpio_reset, GPIOF_OUT_INIT_HIGH, "clf_reset");
 	if (r) {
 		pr_err("%s : reset gpio_request failed\n", __FILE__);
 		return -ENODEV;
 	}
 
-	r = gpio_direction_output(phy->gpio_reset, 1);
-	if (r) {
-		pr_err("%s : reset gpio_direction_output failed\n",
-			__FILE__);
-		return -ENODEV;
-	}
-
 	/* IRQ */
 	irq = gpio_to_irq(phy->gpio_irq);
 	if (irq < 0) {