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Sun, 25 Jan 2026 23:46:31 -0800 From: Manikanta Maddireddy To: , , , , , , , , , , , , <18255117159@163.com> CC: , , , , "Manikanta Maddireddy" Subject: [PATCH V4 08/22] PCI: tegra194: Free resources during controller deinitialization Date: Mon, 26 Jan 2026 13:15:05 +0530 Message-ID: <20260126074519.3426742-9-mmaddireddy@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260126074519.3426742-1-mmaddireddy@nvidia.com> References: <20260126074519.3426742-1-mmaddireddy@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF00000208:EE_|DS7PR12MB8250:EE_ X-MS-Office365-Filtering-Correlation-Id: 934737ae-0985-4300-e901-08de5caf1239 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|1800799024|82310400026|7416014|376014|921020; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jan 2026 07:46:52.6511 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 934737ae-0985-4300-e901-08de5caf1239 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF00000208.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB8250 Content-Type: text/plain; charset="utf-8" From: Vidya Sagar Call dw_pcie_ep_deinit() during controller deinitialization to free the resources allocated in common DesignWare driver. Signed-off-by: Vidya Sagar Signed-off-by: Manikanta Maddireddy --- V4: * None V3: * This is a new patch in this series drivers/pci/controller/dwc/pcie-tegra194.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/contr= oller/dwc/pcie-tegra194.c index f69bc416b031..40f9e1ab03c1 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1678,12 +1678,16 @@ static int tegra_pcie_config_rp(struct tegra_pcie_d= w *pcie) =20 static void pex_ep_event_pex_rst_assert(struct tegra_pcie_dw *pcie) { + struct dw_pcie *pci =3D &pcie->pci; + struct dw_pcie_ep *ep =3D &pci->ep; u32 val; int ret; =20 if (pcie->ep_state =3D=3D EP_STATE_DISABLED) return; =20 + pci_epc_deinit_notify(ep->epc); + ret =3D readl_poll_timeout(pcie->appl_base + APPL_DEBUG, val, ((val & APPL_DEBUG_LTSSM_STATE_MASK) =3D=3D LTSSM_STATE_DETECT_QUIET) || ((val & APPL_DEBUG_LTSSM_STATE_MASK) =3D=3D LTSSM_STATE_DETECT_ACT) || --=20 2.34.1