linux-kernel - [PATCH V2] PCI: tegra194: Fix probe path for Endpoint mode

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Date: Mon, 8 Apr 2024 15:00:53 +0530
From: Vidya Sagar <vidyas@...dia.com>
To: <lpieralisi@...nel.org>, <kw@...ux.com>, <robh@...nel.org>,
	<bhelgaas@...gle.com>
CC: <thierry.reding@...il.com>, <jonathanh@...dia.com>,
	<linux-pci@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <kthota@...dia.com>,
	<mmaddireddy@...dia.com>, <vidyas@...dia.com>, <sagar.tv@...il.com>
Subject: [PATCH V2] 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: c57247f940e8 ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194")
Signed-off-by: Vidya Sagar <vidyas@...dia.com>
Reviewed-by: Jon Hunter <jonathanh@...dia.com>
---
v2:
* Added 'Fixes' and 'Reviewed-by' from Jon Hunter

 drivers/pci/controller/dwc/pcie-tegra194.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
index 4bba31502ce1..1a8178dc899a 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/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:
-- 
2.25.1