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Thu, 18 Apr 2024 04:59:23 -0700 (PDT) Received: from [127.0.1.1] ([120.56.197.253]) by smtp.gmail.com with ESMTPSA id ei16-20020a056a0080d000b006ed06c4074bsm1305512pfb.85.2024.04.18.04.59.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Apr 2024 04:59:22 -0700 (PDT) From: Manivannan Sadhasivam Date: Thu, 18 Apr 2024 17:28:36 +0530 Subject: [PATCH v3 8/9] PCI: qcom-ep: Use the generic dw_pcie_ep_linkdown() API to handle Link Down event Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240418-pci-epf-rework-v3-8-222a5d1ed2e5@linaro.org> References: <20240418-pci-epf-rework-v3-0-222a5d1ed2e5@linaro.org> In-Reply-To: <20240418-pci-epf-rework-v3-0-222a5d1ed2e5@linaro.org> To: Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Bjorn Helgaas , Kishon Vijay Abraham I , Thierry Reding , Jonathan Hunter , Jingoo Han Cc: linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, mhi@lists.linux.dev, linux-tegra@vger.kernel.org, Niklas Cassel , Manivannan Sadhasivam X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1153; i=manivannan.sadhasivam@linaro.org; h=from:subject:message-id; bh=atG+1UQfYDhhLUGqdEx8VNjGeYLNZVix4fHyruhkqxw=; b=owEBbQGS/pANAwAKAVWfEeb+kc71AcsmYgBmIQrzQyeOnNXefT1bfI+O0Ma5JSu9+usv5cm9J cAHRmpaedqJATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCZiEK8wAKCRBVnxHm/pHO 9RfIB/9uJMQCz4cdPaw2Hh9qei43flPkHVNyX2jDTngRHx+E6VSEifEhd5QFCmbUTanNcwV3VTA 2eUwRNH3tOOSw1HUe6yJ1qM2y39VllyIOYTzopkC2CN+j8I11D5d+YBJ7ydVmtc46YvtZktz8v5 JcdJVPjyeyIvyoxUaeiS2uoq/VE2v0acmKeM+uL5WncmPIaVq9lACPEN26KT5EOZZA3Jji3im4D yWu0AA8sQs+Z5JSxFpZHgVgytKegpBBjBkcd7LCIDHxB+1tvX/OGMyclZw7csNmal2n7HP0OYff //jFit6t/Lc+9VuatbccvEgxKt+tRT2hHloWbJbNnLJWCKCI 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 458145d1f796..96f5acdc9317 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -635,7 +635,7 @@ 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. Link is enabled!\n"); pcie_ep->link_status = QCOM_PCIE_EP_LINK_ENABLED;