PCI: tegra194: Free up Endpoint resources during remove()

[ Upstream commit 8870f02 ]

Free up the resources during remove() that were acquired by the DesignWare
driver for the Endpoint mode during probe().

Fixes: bb617cb ("PCI: tegra194: Clean up the exit path for Endpoint mode")
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Vidya Sagar <vidyas@nvidia.com>
Link: https://patch.msgid.link/20260324190755.1094879-11-mmaddireddy@nvidia.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

Author: Vidya Sagar

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

@@ -2285,6 +2285,7 @@ static int tegra_pcie_dw_probe(struct platform_device *pdev)
 static void tegra_pcie_dw_remove(struct platform_device *pdev)
 {
 	struct tegra_pcie_dw *pcie = platform_get_drvdata(pdev);
+	struct dw_pcie_ep *ep = &pcie->pci.ep;
 
 	if (pcie->of_data->mode == DW_PCIE_RC_TYPE) {
 		if (!pcie->link_state)
@@ -2296,6 +2297,7 @@ static void tegra_pcie_dw_remove(struct platform_device *pdev)
 	} else {
 		disable_irq(pcie->pex_rst_irq);
 		pex_ep_event_pex_rst_assert(pcie);
+		dw_pcie_ep_deinit(ep);
 	}
 
 	pm_runtime_disable(pcie->dev);