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From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: kishon@ti.com, lorenzo.pieralisi@arm.com, kw@linux.com,
	bhelgaas@google.com, robh@kernel.org
Cc: linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Subject: [PATCH 6/8] PCI: qcom-ep: Add support for Link down notification
Date: Mon,  2 May 2022 11:36:09 +0530	[thread overview]
Message-ID: <20220502060611.58987-7-manivannan.sadhasivam@linaro.org> (raw)
In-Reply-To: <20220502060611.58987-1-manivannan.sadhasivam@linaro.org>

Add support to pass Link down notification to Endpoint function driver
so that the LINK_DOWN event can be processed by the function.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/pci/controller/dwc/pcie-qcom-ep.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
index 6ce8eddf3a37..9fb6e960f73d 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -497,6 +497,7 @@ 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);
 	} 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


  parent reply	other threads:[~2022-05-02  6:07 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-02  6:06 [PATCH 0/8] Add support for MHI Endpoint function driver Manivannan Sadhasivam
2022-05-02  6:06 ` [PATCH 1/8] PCI: endpoint: Pass EPF device ID to the probe function Manivannan Sadhasivam
2022-05-02  6:06 ` [PATCH 2/8] PCI: endpoint: Warn and return if EPC is started/stopped multiple times Manivannan Sadhasivam
2022-05-02  6:06 ` [PATCH 3/8] PCI: endpoint: Add an API for unregistering the EPF notifier Manivannan Sadhasivam
2022-05-02  6:06 ` [PATCH 4/8] PCI: endpoint: Add linkdown notifier support Manivannan Sadhasivam
2022-05-02  6:06 ` [PATCH 5/8] PCI: endpoint: Add BME " Manivannan Sadhasivam
2022-05-02  6:06 ` Manivannan Sadhasivam [this message]
2022-05-02  6:06 ` [PATCH 7/8] PCI: qcom-ep: Add support for BME notification Manivannan Sadhasivam
2022-05-02  6:06 ` [PATCH 8/8] PCI: endpoint: Add PCI Endpoint function driver for MHI bus Manivannan Sadhasivam

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