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From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Date: Sat, 24 Feb 2024 12:24:15 +0530
Subject: [PATCH v8 09/10] PCI: qcom-ep: Use the generic
 dw_pcie_ep_linkdown() API to handle LINK_DOWN event
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In-Reply-To: <20240224-pci-dbi-rework-v8-0-64c7fd0cfe64@linaro.org>
To: Jingoo Han <jingoohan1@gmail.com>, 
 Gustavo Pimentel <gustavo.pimentel@synopsys.com>, 
 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>, 
 Marek Vasut <marek.vasut+renesas@gmail.com>, 
 Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>, 
 Thierry Reding <thierry.reding@gmail.com>, 
 Jonathan Hunter <jonathanh@nvidia.com>, 
 Kishon Vijay Abraham I <kishon@ti.com>, Vidya Sagar <vidyas@nvidia.com>, 
 Vignesh Raghavendra <vigneshr@ti.com>, Richard Zhu <hongxing.zhu@nxp.com>, 
 Lucas Stach <l.stach@pengutronix.de>, Shawn Guo <shawnguo@kernel.org>, 
 Sascha Hauer <s.hauer@pengutronix.de>, 
 Pengutronix Kernel Team <kernel@pengutronix.de>, 
 Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, 
 Minghuan Lian <minghuan.Lian@nxp.com>, Mingkai Hu <mingkai.hu@nxp.com>, 
 Roy Zang <roy.zang@nxp.com>, 
 Kunihiko Hayashi <hayashi.kunihiko@socionext.com>, 
 Masami Hiramatsu <mhiramat@kernel.org>, 
 Kishon Vijay Abraham I <kishon@kernel.org>
Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, 
 linux-renesas-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, 
 linux-tegra@vger.kernel.org, linux-omap@vger.kernel.org, 
 linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, 
 Niklas Cassel <cassel@kernel.org>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.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.

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 2fb8c15e7a91..4e45bc4bca45 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -640,7 +640,7 @@ 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