PCI: tegra194: Fix probe path for Endpoint mode

[ Upstream commit 19326006a21da26532d982254677c892dae8f29b ]

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: c57247f940 ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194")
Link: https://lore.kernel.org/linux-pci/20240408093053.3948634-1-vidyas@nvidia.com
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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

@@ -2142,10 +2142,13 @@ 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->mode);
+		ret = -EINVAL;
 	}
 
 fail: