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

Acked-by: Manivannan Sadhasivam <m...@kernel.org>
Signed-off-by: Frank Li <frank...@nxp.com>
---
Change from v2 to v4
 - none
Change from v1 to v2

 drivers/pci/controller/dwc/pci-layerscape-ep.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c 
b/drivers/pci/controller/dwc/pci-layerscape-ep.c
index de4c1758a6c3..e0969ff2ddf7 100644
--- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
+++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
@@ -89,6 +89,7 @@ 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);
        } else if (val & PEX_PF0_PME_MES_DR_HRD) {
                dev_dbg(pci->dev, "Hot reset\n");
        }
-- 
2.34.1

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