From: Manivannan Sadhasivam Date: Fri, 2 Jun 2023 11:47:53 +0000 (+0530) Subject: PCI: qcom-ep: Add support for Link down notification X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=c47c74b7217a3a142d6c7f0371d8e0240acb21a0;p=linux.git 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 Signed-off-by: Lorenzo Pieralisi Signed-off-by: Bjorn Helgaas Reviewed-by: Kishon Vijay Abraham I Reviewed-by: Damien Le Moal --- 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;