The fu740 PCIe has 256 msix vectors. We need to specify it in driver code to enable more msix vectors. Signed-off-by: Yong-Xuan Wang <yongxuan.wang@xxxxxxxxxx> --- drivers/pci/controller/dwc/pcie-fu740.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/controller/dwc/pcie-fu740.c b/drivers/pci/controller/dwc/pcie-fu740.c index 0c90583c078b..1e9b44b8bba4 100644 --- a/drivers/pci/controller/dwc/pcie-fu740.c +++ b/drivers/pci/controller/dwc/pcie-fu740.c @@ -299,6 +299,7 @@ static int fu740_pcie_probe(struct platform_device *pdev) pci->dev = dev; pci->ops = &dw_pcie_ops; pci->pp.ops = &fu740_pcie_host_ops; + pci->pp.num_vectors = MAX_MSI_IRQS; /* SiFive specific region: mgmt */ afp->mgmt_base = devm_platform_ioremap_resource_byname(pdev, "mgmt"); -- 2.17.1