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Thu, 06 Jun 2024 00:27:49 -0700 (PDT) Received: from [127.0.1.1] ([120.60.142.92]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-703fd494feasm566621b3a.100.2024.06.06.00.27.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Jun 2024 00:27:49 -0700 (PDT) From: Manivannan Sadhasivam Date: Thu, 06 Jun 2024 12:56:37 +0530 Subject: [PATCH 4/5] PCI: qcom-ep: Use the generic dw_pcie_ep_linkdown() API to handle Link Down event Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240606-pci-deinit-v1-4-4395534520dc@linaro.org> References: <20240606-pci-deinit-v1-0-4395534520dc@linaro.org> In-Reply-To: <20240606-pci-deinit-v1-0-4395534520dc@linaro.org> To: Vignesh Raghavendra , Siddharth Vadapalli , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Bjorn Helgaas , Richard Zhu , Lucas Stach , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Minghuan Lian , Mingkai Hu , Roy Zang , Jesper Nilsson , Jingoo Han , Srikanth Thokala , Marek Vasut , Yoshihiro Shimoda , Thierry Reding , Jonathan Hunter , Kunihiko Hayashi , Masami Hiramatsu , Kishon Vijay Abraham I Cc: linux-omap@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@axis.com, linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-tegra@vger.kernel.org, mhi@lists.linux.dev, Niklas Cassel , Manivannan Sadhasivam X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1135; i=manivannan.sadhasivam@linaro.org; h=from:subject:message-id; bh=O5xFzhtcTVsPW2oRgvJYNIDWPOdCoxabhuVw8QIdZvA=; b=owEBbQGS/pANAwAKAVWfEeb+kc71AcsmYgBmYWTCDD3Zk89+yzevKC0hNBYDEyFsV6QzuZHsh tHaN4WUEIeJATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCZmFkwgAKCRBVnxHm/pHO 9R0cB/9bA9491NDevYfqU5Xd3giwVDoj11ZyiC+uOfmItJ2Mqg+LjY5yIgYgU2b5u9eza2+qgOi 4U0wQ++MHB3cRN8Qfi6FrDe0E+qa0KqH+kH+cY35umoGm8Zpgcx4MwJ/tMbjbEDe9tmPP6pdeeo aoRbCqLKiT7RwZIm/MH0OGPuFhv9nisV904RgEfR3gT+0Tpx3feFJWRFxSULskIjFCUOfubNx57 A8RoeX3+G02D4OkIxrJBn3o6BIPuD8zGx+pfD2AEwZMjJAUhWsHsYx8R5f50vb+7YNWV/GhNkbP dPojiLZWnG6HfXVSNGT8M7+Mr1QS3JOavCuJ4pGNZfPAW5uG X-Developer-Key: i=manivannan.sadhasivam@linaro.org; a=openpgp; fpr=C668AEC3C3188E4C611465E7488550E901166008 Now that the API is available, let's make use of it. It also handles the reinitialization of DWC non-sticky registers in addition to sending the notification to EPF drivers. Reviewed-by: Niklas Cassel Signed-off-by: Manivannan Sadhasivam --- drivers/pci/controller/dwc/pcie-qcom-ep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c index 2324e56c9bfc..02a2a871a91f 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -641,7 +641,7 @@ static irqreturn_t qcom_pcie_ep_global_irq_thread(int irq, void *data) if (FIELD_GET(PARF_INT_ALL_LINK_DOWN, status)) { dev_dbg(dev, "Received Linkdown event\n"); pcie_ep->link_status = QCOM_PCIE_EP_LINK_DOWN; - pci_epc_linkdown(pci->ep.epc); + dw_pcie_ep_linkdown(&pci->ep); } else if (FIELD_GET(PARF_INT_ALL_BME, status)) { dev_dbg(dev, "Received Bus Master Enable event\n"); pcie_ep->link_status = QCOM_PCIE_EP_LINK_ENABLED;