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From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Date: Thu, 14 Mar 2024 20:53:47 +0530
Subject: [PATCH 08/11] PCI: qcom-ep: Use the generic dw_pcie_ep_linkdown()
 API to handle Link Down event
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Message-Id: <20240314-pci-epf-rework-v1-8-6134e6c1d491@linaro.org>
References: <20240314-pci-epf-rework-v1-0-6134e6c1d491@linaro.org>
In-Reply-To: <20240314-pci-epf-rework-v1-0-6134e6c1d491@linaro.org>
To: Lorenzo Pieralisi <lpieralisi@kernel.org>, 
 =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= <kw@linux.com>, 
 Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, 
 Kishon Vijay Abraham I <kishon@kernel.org>, 
 Thierry Reding <thierry.reding@gmail.com>, 
 Jonathan Hunter <jonathanh@nvidia.com>, Jingoo Han <jingoohan1@gmail.com>, 
 Gustavo Pimentel <gustavo.pimentel@synopsys.com>
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, 
 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, 
 Niklas Cassel <cassel@kernel.org>

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 <cassel@kernel.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 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 e4b742355d57..811f250e967a 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 BME event. Link is enabled!\n");
 		pcie_ep->link_status = QCOM_PCIE_EP_LINK_ENABLED;

-- 
2.25.1