summaryrefslogtreecommitdiff
path: root/drivers/pci
diff options
context:
space:
mode:
authorManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>2023-06-02 17:17:53 +0530
committerBjorn Helgaas <bhelgaas@google.com>2023-06-23 15:05:35 -0500
commitc47c74b7217a3a142d6c7f0371d8e0240acb21a0 (patch)
treee7f731cc3e980f1894f25679a6b4adbf930f86e2 /drivers/pci
parent6360efb96b19d89990b2a5bf3a73c689a429f5da (diff)
PCI: qcom-ep: Add support for Link down notification
Add support to pass Link down notification to Endpoint function driver so that the LINK_DOWN event can be processed by the function. Link: https://lore.kernel.org/r/20230602114756.36586-7-manivannan.sadhasivam@linaro.org Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Kishon Vijay Abraham I <kishon@kernel.org> Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/controller/dwc/pcie-qcom-ep.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
index 19b32839ea26..4ce01ff7527c 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -569,6 +569,7 @@ 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;