NFC: nxp-nci: Get rid of code duplication in ->probe()
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Mon, 29 Jul 2019 13:35:06 +0000 (16:35 +0300)
committerDavid S. Miller <davem@davemloft.net>
Mon, 29 Jul 2019 15:56:26 +0000 (08:56 -0700)
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>
drivers/nfc/nxp-nci/i2c.c

index 7344405feddff5dc51f29d6c2f41e463ae9566cd..6a627d1b6f8510a9741257cd6e8eb3c5e47b0d6e 100644 (file)
@@ -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,