PCI: tegra194: Fix probe path for Endpoint mode

Tegra194 PCIe probe path is taking failure path in success case for
Endpoint mode. Return success from the switch case instead of going
into the failure path.

Fixes: c57247f ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194")
Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Vidya Sagar <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Jon Hunter <[email protected]>

Author: Vidya Sagar

drivers/pci/controller/dwc/pcie-tegra194.c

@@ -2273,11 +2273,14 @@ static int tegra_pcie_dw_probe(struct platform_device *pdev)
 		ret = tegra_pcie_config_ep(pcie, pdev);
 		if (ret < 0)
 			goto fail;
+		else
+			return 0;
 		break;
 
 	default:
 		dev_err(dev, "Invalid PCIe device type %d\n",
 			pcie->of_data->mode);
+		ret = -EINVAL;
 	}
 
 fail: