diff mbox series

[v2,1/2] PCI: layerscape: Add support for Link down notification

Message ID 20230718182142.1864070-1-Frank.Li@nxp.com (mailing list archive)
State Superseded
Delegated to: Krzysztof Wilczyński
Headers show
Series [v2,1/2] PCI: layerscape: Add support for Link down notification | expand

Commit Message

Frank Li July 18, 2023, 6:21 p.m. UTC 
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 <mani@kernel.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
Change from v1 to v2
 - move pci_epc_linkdown() after dev_dbg()

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

Patch

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");
 	}