diff --git a/sys/dev/pci/pci_host_generic.c b/sys/dev/pci/pci_host_generic.c
--- a/sys/dev/pci/pci_host_generic.c
+++ b/sys/dev/pci/pci_host_generic.c
@@ -326,7 +326,7 @@
 }
 
 static bool
-generic_pcie_translate_resource(device_t dev, int type, rman_res_t start,
+generic_pcie_translate_resource_common(device_t dev, int type, rman_res_t start,
     rman_res_t end, rman_res_t *new_start, rman_res_t *new_end)
 {
 	struct generic_pcie_core_softc *sc;
@@ -382,6 +382,16 @@
 	return (found);
 }
 
+static int
+generic_pcie_translate_resource(device_t bus, int type,
+    rman_res_t start, rman_res_t *newstart)
+{
+	rman_res_t newend; /* unused */
+
+	return (!generic_pcie_translate_resource_common(
+	    bus, type, start, 0, newstart, &newend));
+}
+
 struct resource *
 pci_host_generic_core_alloc_resource(device_t dev, device_t child, int type,
     int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
@@ -406,7 +416,7 @@
 		    type, rid, start, end, count, flags));
 
 	/* Translate the address from a PCI address to a physical address */
-	if (!generic_pcie_translate_resource(dev, type, start, end, &phys_start,
+	if (!generic_pcie_translate_resource_common(dev, type, start, end, &phys_start,
 	    &phys_end)) {
 		device_printf(dev,
 		    "Failed to translate resource %jx-%jx type %x for %s\n",
@@ -458,7 +468,7 @@
 
 	start = rman_get_start(r);
 	end = rman_get_end(r);
-	if (!generic_pcie_translate_resource(dev, type, start, end, &start,
+	if (!generic_pcie_translate_resource_common(dev, type, start, end, &start,
 	    &end))
 		return (EINVAL);
 	rman_set_start(r, start);
@@ -529,6 +539,7 @@
 	DEVMETHOD(bus_activate_resource,	generic_pcie_activate_resource),
 	DEVMETHOD(bus_deactivate_resource,	generic_pcie_deactivate_resource),
 	DEVMETHOD(bus_release_resource,		pci_host_generic_core_release_resource),
+	DEVMETHOD(bus_translate_resource,	generic_pcie_translate_resource),
 	DEVMETHOD(bus_setup_intr,		bus_generic_setup_intr),
 	DEVMETHOD(bus_teardown_intr,		bus_generic_teardown_intr),