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From: Manikanta Maddireddy <mmaddireddy@nvidia.com>
To: <bhelgaas@google.com>, <lpieralisi@kernel.org>,
	<kwilczynski@kernel.org>, <mani@kernel.org>, <robh@kernel.org>,
	<krzk+dt@kernel.org>, <conor+dt@kernel.org>,
	<thierry.reding@gmail.com>, <jonathanh@nvidia.com>,
	<kishon@kernel.org>, <arnd@arndb.de>,
	<gregkh@linuxfoundation.org>, <Frank.Li@nxp.com>,
	<den@valinux.co.jp>, <hongxing.zhu@nxp.com>,
	<jingoohan1@gmail.com>, <vidyas@nvidia.com>, <cassel@kernel.org>,
	<18255117159@163.com>
Cc: <linux-pci@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	Manikanta Maddireddy <mmaddireddy@nvidia.com>
Subject: [PATCH v8 10/14] PCI: tegra194: Free up EP resources during remove()
Date: Wed, 25 Mar 2026 00:37:51 +0530	[thread overview]
Message-ID: <20260324190755.1094879-11-mmaddireddy@nvidia.com> (raw)
In-Reply-To: <20260324190755.1094879-1-mmaddireddy@nvidia.com>

From: Vidya Sagar <vidyas@nvidia.com>

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

Fixes: bb617cbd8151 ("PCI: tegra194: Clean up the exit path for Endpoint mode")
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
---
Changes V1 -> V8: None

 drivers/pci/controller/dwc/pcie-tegra194.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
index 375eafabcf88..1cc80f3065d5 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -2250,6 +2250,7 @@ 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)
@@ -2261,6 +2262,7 @@ 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);
-- 
2.34.1


  parent reply	other threads:[~2026-03-24 19:09 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-24 19:07 [PATCH v8 00/14] Fixes to pcie-tegra194 driver Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 01/14] PCI: tegra194: Fix polling delay for L2 state Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 02/14] PCI: tegra194: Increase LTSSM poll time on surprise down Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 03/14] PCI: tegra194: Disable LTSSM after transition to detect " Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 04/14] PCI: tegra194: Don't force the device into the D0 state before L2 Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 05/14] PCI: tegra194: Disable PERST IRQ only in Endpoint mode Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 06/14] PCI: tegra194: Use devm_gpiod_get_optional() to parse "nvidia,refclk-select" Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 07/14] PCI: tegra194: Disable direct speed change for Endpoint Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 08/14] PCI: tegra194: Set LTR message request before PCIe link up Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 09/14] PCI: tegra194: Allow system suspend when the Endpoint link is not up Manikanta Maddireddy
2026-04-08 20:59   ` Bjorn Helgaas
2026-04-08 21:03     ` Bjorn Helgaas
2026-04-09  6:59       ` Manikanta Maddireddy
2026-03-24 19:07 ` Manikanta Maddireddy [this message]
2026-03-24 19:07 ` [PATCH v8 11/14] PCI: tegra194: Use DWC IP core version Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 12/14] PCI: dwc: Apply ECRC workaround to DesignWare 5.00a as well Manikanta Maddireddy
2026-04-08 22:24   ` Bjorn Helgaas
2026-04-09  8:51     ` Manikanta Maddireddy
2026-04-09 18:45       ` Bjorn Helgaas
2026-04-10  6:32         ` Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 13/14] PCI: tegra194: Disable L1.2 capability of Tegra234 EP Manikanta Maddireddy
2026-03-24 19:07 ` [PATCH v8 14/14] PCI: tegra194: Fix CBB timeout caused by DBI access before core power-on Manikanta Maddireddy
2026-04-04 15:10 ` [PATCH v8 00/14] Fixes to pcie-tegra194 driver Manivannan Sadhasivam

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