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authorAxel Lin <axel.lin@ingics.com>2014-07-28 20:11:29 +0400
committerSamuel Ortiz <sameo@linux.intel.com>2014-09-08 01:56:46 +0400
commit0be8ce737c1f052a1811d029f8afb03583f7238f (patch)
treecae7b88e7b9301046c9f1747632bc644abb7ba6c /drivers/nfc
parentce3a5de7f58f18976b6536d8ea663f90da0e8093 (diff)
downloadlinux-0be8ce737c1f052a1811d029f8afb03583f7238f.tar.xz
NFC: st21nfca: Convert to use devm_gpio_request_one
This simplifies the code a bit. Acked-by: Christophe RICARD <christophe-h.ricard@st.com> Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
-rw-r--r--drivers/nfc/st21nfca/i2c.c28
1 files changed, 6 insertions, 22 deletions
diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 5d20ccf2e589..d7a2c7636e26 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -525,17 +525,13 @@ static int st21nfca_hci_i2c_of_request_resources(struct i2c_client *client)
}
/* GPIO request and configuration */
- r = devm_gpio_request(&client->dev, gpio, "clf_enable");
+ r = devm_gpio_request_one(&client->dev, gpio, GPIOF_OUT_INIT_HIGH,
+ "clf_enable");
if (r) {
nfc_err(&client->dev, "Failed to request enable pin\n");
return -ENODEV;
}
- r = gpio_direction_output(gpio, 1);
- if (r) {
- nfc_err(&client->dev, "Failed to set enable pin direction as output\n");
- return -ENODEV;
- }
phy->gpio_ena = gpio;
/* IRQ */
@@ -576,32 +572,20 @@ static int st21nfca_hci_i2c_request_resources(struct i2c_client *client)
phy->gpio_ena = pdata->gpio_ena;
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,
+ "wake_up");
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;
- }
-
if (phy->gpio_ena > 0) {
- r = devm_gpio_request(&client->dev,
- phy->gpio_ena, "clf_enable");
+ r = devm_gpio_request_one(&client->dev, phy->gpio_ena,
+ GPIOF_OUT_INIT_HIGH, "clf_enable");
if (r) {
pr_err("%s : ena gpio_request failed\n", __FILE__);
return -ENODEV;
}
- r = gpio_direction_output(phy->gpio_ena, 1);
-
- if (r) {
- pr_err("%s : ena gpio_direction_output failed\n",
- __FILE__);
- return -ENODEV;
- }
}
/* IRQ */