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-rw-r--r--hw/usb/hcd-xhci.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 6753a4263d..a203bc6b41 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -3594,8 +3594,10 @@ static int usb_xhci_initfn(struct PCIDevice *dev)
PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64,
&xhci->mem);
- ret = pcie_endpoint_cap_init(dev, 0xa0);
- assert(ret >= 0);
+ if (pci_bus_is_express(dev->bus)) {
+ ret = pcie_endpoint_cap_init(dev, 0xa0);
+ assert(ret >= 0);
+ }
if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) {
msi_init(dev, 0x70, xhci->numintrs, true, false);