diff options
| author | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2023-06-02 17:17:54 +0530 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2023-06-23 15:05:42 -0500 |
| commit | 8f05cd35c73b97b9df759dd70e3ad26bc7482a7d (patch) | |
| tree | b6aff9eda5c8f6400a1a46a73cd4fb73b9b69133 /drivers/pci | |
| parent | c47c74b7217a3a142d6c7f0371d8e0240acb21a0 (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')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom-ep.c | 1 |
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); |