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authorManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>2023-06-02 17:17:54 +0530
committerBjorn Helgaas <bhelgaas@google.com>2023-06-23 15:05:42 -0500
commit8f05cd35c73b97b9df759dd70e3ad26bc7482a7d (patch)
treeb6aff9eda5c8f6400a1a46a73cd4fb73b9b69133 /drivers/pci/controller/dwc/pcie-qcom-ep.c
parentc47c74b7217a3a142d6c7f0371d8e0240acb21a0 (diff)
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 <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/controller/dwc/pcie-qcom-ep.c')
-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 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);