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 0e6f6a87718c93af97d6b0086a4c2ff230e292da..831e20d4da65e59e7b82a5679924103549593960 100644 (file)
--- 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;