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Thu, 06 Jun 2024 00:28:00 -0700 (PDT) Received: from [127.0.1.1] ([120.60.142.92]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-703fd494feasm566621b3a.100.2024.06.06.00.27.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Jun 2024 00:27:59 -0700 (PDT) From: Manivannan Sadhasivam Date: Thu, 06 Jun 2024 12:56:38 +0530 Subject: [PATCH 5/5] PCI: layerscape-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-v1-5-4395534520dc@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 , Bjorn Helgaas X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; 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It also handles the reinitialization of DWC non-sticky registers in addition to sending the notification to EPF drivers. Reported-by: Bjorn Helgaas Closes: https://lore.kernel.org/linux-pci/20240528195539.GA458945@bhelgaas/ Signed-off-by: Manivannan Sadhasivam Reviewed-by: Frank Li Reviewed-by: Niklas Cassel --- drivers/pci/controller/dwc/pci-layerscape-ep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c index 35bb481564c7..a4a800699f89 100644 --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c @@ -104,7 +104,7 @@ static irqreturn_t ls_pcie_ep_event_handler(int irq, void *dev_id) dev_dbg(pci->dev, "Link up\n"); } else if (val & PEX_PF0_PME_MES_DR_LDD) { dev_dbg(pci->dev, "Link down\n"); - pci_epc_linkdown(pci->ep.epc); + dw_pcie_ep_linkdown(&pci->ep); } else if (val & PEX_PF0_PME_MES_DR_HRD) { dev_dbg(pci->dev, "Hot reset\n"); }