From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Wed, 23 Dec 2015 22:45:08 +0000 (+0100)
Subject: nfc: st21nfca: Add macro for gpio name
X-Git-Tag: v4.9.8~2476^2~412^2~19
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=04e99b71fe6e96476884b0e6d50bfe421dee9960;p=platform%2Fkernel%2Flinux-rpi3.git

nfc: st21nfca: Add macro for gpio name

Add macro definition for each gpio string for an easier code
maintenance.

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

diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 0e6f6a8..831e20d 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -60,6 +60,8 @@
 
 #define ST21NFCA_HCI_I2C_DRIVER_NAME "st21nfca_hci_i2c"
 
+#define ST21NFCA_GPIO_NAME_EN "clf_enable"
+
 struct st21nfca_i2c_phy {
 	struct i2c_client *i2c_dev;
 	struct nfc_hci_dev *hdev;
@@ -522,7 +524,7 @@ static int st21nfca_hci_i2c_of_request_resources(struct i2c_client *client)
 
 	/* GPIO request and configuration */
 	r = devm_gpio_request_one(&client->dev, gpio, GPIOF_OUT_INIT_HIGH,
-				  "clf_enable");
+				  ST21NFCA_GPIO_NAME_EN);
 	if (r) {
 		nfc_err(&client->dev, "Failed to request enable pin\n");
 		return r;
@@ -558,7 +560,8 @@ static int st21nfca_hci_i2c_request_resources(struct i2c_client *client)
 
 	if (phy->gpio_ena > 0) {
 		r = devm_gpio_request_one(&client->dev, phy->gpio_ena,
-					  GPIOF_OUT_INIT_HIGH, "clf_enable");
+					  GPIOF_OUT_INIT_HIGH,
+					  ST21NFCA_GPIO_NAME_EN);
 		if (r) {
 			pr_err("%s : ena gpio_request failed\n", __FILE__);
 			return r;