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 5a166cde35bc39f9c006eadea0fdb2a0e77b499e..7ae9767dbcced39a0e04dd7c35e49bba99ca2cba 100644 (file)
--- 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) {