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nfc: pn544: Remove i2c client gpio irq configuration

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gpio irq is already configured by the core i2c layers
when reaching the probe function

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Christophe Ricard 2015-12-23 23:45:26 +01:00 committed by Samuel Ortiz
parent be103b714e
commit 97b6978897
1 changed files with 1 additions and 34 deletions
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35
drivers/nfc/pn544/i2c.c
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@ -166,7 +166,6 @@ struct pn544_i2c_phy {
struct nfc_hci_dev *hdev;
unsigned int gpio_en;
unsigned int gpio_irq;
unsigned int gpio_fw;
unsigned int en_polarity;
@ -879,9 +878,8 @@ static int pn544_hci_i2c_acpi_request_resources(struct i2c_client *client)
{
struct pn544_i2c_phy *phy = i2c_get_clientdata(client);
const struct acpi_device_id *id;
struct gpio_desc *gpiod_en, *gpiod_irq, *gpiod_fw;
struct gpio_desc *gpiod_en, *gpiod_fw;
struct device *dev;
int ret;
if (!client)
return -EINVAL;
@ -914,27 +912,6 @@ static int pn544_hci_i2c_acpi_request_resources(struct i2c_client *client)
phy->gpio_fw = desc_to_gpio(gpiod_fw);
/* Get IRQ GPIO */
gpiod_irq = devm_gpiod_get_index(dev, PN544_GPIO_NAME_IRQ, 0,
GPIOD_IN);
if (IS_ERR(gpiod_irq)) {
nfc_err(dev, "Unable to get IRQ GPIO\n");
return -ENODEV;
}
phy->gpio_irq = desc_to_gpio(gpiod_irq);
/* Map the pin to an IRQ */
ret = gpiod_to_irq(gpiod_irq);
if (ret < 0) {
nfc_err(dev, "Fail pin IRQ mapping\n");
return ret;
}
nfc_info(dev, "GPIO resource, no:%d irq:%d\n",
desc_to_gpio(gpiod_irq), ret);
client->irq = ret;
return 0;
}
@ -994,15 +971,6 @@ static int pn544_hci_i2c_of_request_resources(struct i2c_client *client)
goto err_gpio_fw;
}
/* IRQ */
ret = irq_of_parse_and_map(pp, 0);
if (ret < 0) {
nfc_err(&client->dev,
"Unable to get irq, error: %d\n", ret);
goto err_gpio_fw;
}
client->irq = ret;
return 0;
err_gpio_fw:
@ -1065,7 +1033,6 @@ static int pn544_hci_i2c_probe(struct i2c_client *client,
phy->gpio_en = pdata->get_gpio(NFC_GPIO_ENABLE);
phy->gpio_fw = pdata->get_gpio(NFC_GPIO_FW_RESET);
phy->gpio_irq = pdata->get_gpio(NFC_GPIO_IRQ);
/* Using ACPI */
} else if (ACPI_HANDLE(&client->dev)) {
r = pn544_hci_i2c_acpi_request_resources(client);