diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 9269782a762735f7bd6f15575ffe93e772db166d..524cbf26d992590a01bca339bafd751a89b3ca3a 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -818,7 +818,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 
 #ifdef	CONFIG_PCI
 	/* EHCI 0.96 and later may have "extended capabilities" */
-	if (hcd->self.controller->bus == &pci_bus_type) {
+	if (dev_is_pci(hcd->self.controller)) {
 		struct pci_dev	*pdev;
 		u32		offset, cap, cap2;
 		unsigned	count = 256/4;