From: Manivannan Sadhasivam Date: Fri, 2 Jun 2023 11:47:54 +0000 (+0530) Subject: PCI: qcom-ep: Add support for BME notification X-Git-Tag: microblaze-v6.6~114^2~1^2~4 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=8f05cd35c73b97b9df759dd70e3ad26bc7482a7d;p=linux-2.6-microblaze.git PCI: qcom-ep: Add support for BME notification Add support to pass BME (Bus Master Enable) notification to Endpoint function driver so that the BME event can be processed by the function. Link: https://lore.kernel.org/r/20230602114756.36586-8-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 4ce01ff7527c..1435f516d3f7 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -573,6 +573,7 @@ static irqreturn_t qcom_pcie_ep_global_irq_thread(int irq, void *data) } 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; + pci_epc_bme_notify(pci->ep.epc); } else if (FIELD_GET(PARF_INT_ALL_PM_TURNOFF, status)) { dev_dbg(dev, "Received PM Turn-off event! Entering L23\n"); val = readl_relaxed(pcie_ep->parf + PARF_PM_CTRL);