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NFC: nxp-nci: Get rid of code duplication in ->probe() 

Since OF and ACPI case almost the same get rid of code duplication
by moving gpiod_get() calls directly to ->probe().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Shevchenko 2019-07-29 16:35:06 +03:00 committed by David S. Miller
parent 099d03f02d
commit ad0acfd69a
1 changed files with 15 additions and 53 deletions
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68
drivers/nfc/nxp-nci/i2c.c
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@ -256,48 +256,10 @@ static const struct acpi_gpio_mapping acpi_nxp_nci_gpios[] = {
{ }
};
static int nxp_nci_i2c_parse_devtree(struct i2c_client *client)
{
struct nxp_nci_i2c_phy *phy = i2c_get_clientdata(client);
phy->gpiod_en = devm_gpiod_get(&client->dev, "enable", GPIOD_OUT_LOW);
if (IS_ERR(phy->gpiod_en)) {
nfc_err(&client->dev, "Failed to get EN gpio\n");
return PTR_ERR(phy->gpiod_en);
}
phy->gpiod_fw = devm_gpiod_get(&client->dev, "firmware", GPIOD_OUT_LOW);
if (IS_ERR(phy->gpiod_fw)) {
nfc_err(&client->dev, "Failed to get FW gpio\n");
return PTR_ERR(phy->gpiod_fw);
}
return 0;
}
static int nxp_nci_i2c_acpi_config(struct nxp_nci_i2c_phy *phy)
{
struct i2c_client *client = phy->i2c_dev;
int r;
r = devm_acpi_dev_add_driver_gpios(&client->dev, acpi_nxp_nci_gpios);
if (r)
return r;
phy->gpiod_en = devm_gpiod_get(&client->dev, "enable", GPIOD_OUT_LOW);
phy->gpiod_fw = devm_gpiod_get(&client->dev, "firmware", GPIOD_OUT_LOW);
if (IS_ERR(phy->gpiod_en) || IS_ERR(phy->gpiod_fw)) {
nfc_err(&client->dev, "No GPIOs\n");
return -EINVAL;
}
return 0;
}
static int nxp_nci_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct nxp_nci_i2c_phy *phy;
int r;
@ -317,20 +279,20 @@ static int nxp_nci_i2c_probe(struct i2c_client *client,
phy->i2c_dev = client;
i2c_set_clientdata(client, phy);
if (client->dev.of_node) {
r = nxp_nci_i2c_parse_devtree(client);
if (r < 0) {
nfc_err(&client->dev, "Failed to get DT data\n");
goto probe_exit;
}
} else if (ACPI_HANDLE(&client->dev)) {
r = nxp_nci_i2c_acpi_config(phy);
if (r < 0)
goto probe_exit;
} else {
nfc_err(&client->dev, "No platform data\n");
r = -EINVAL;
goto probe_exit;
r = devm_acpi_dev_add_driver_gpios(dev, acpi_nxp_nci_gpios);
if (r)
return r;
phy->gpiod_en = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
if (IS_ERR(phy->gpiod_en)) {
nfc_err(dev, "Failed to get EN gpio\n");
return PTR_ERR(phy->gpiod_en);
}
phy->gpiod_fw = devm_gpiod_get(dev, "firmware", GPIOD_OUT_LOW);
if (IS_ERR(phy->gpiod_fw)) {
nfc_err(dev, "Failed to get FW gpio\n");
return PTR_ERR(phy->gpiod_fw);
}
r = nxp_nci_probe(phy, &client->dev, &i2c_phy_ops,