diff --git a/sys/powerpc/mpc85xx/lbc.c b/sys/powerpc/mpc85xx/lbc.c
index 151d77739c4..f6f38f22beb 100644
--- a/sys/powerpc/mpc85xx/lbc.c
+++ b/sys/powerpc/mpc85xx/lbc.c
@@ -792,7 +792,7 @@ lbc_release_resource(device_t dev, device_t child, int type, int rid,
 		return (bus_generic_rman_release_resource(dev, child, type,
 		    rid, res));
 	case SYS_RES_IRQ:
-		return (bus_release_resource(dev, type, rid, res));
+		return (bus_generic_release_resource(dev, child, type, rid, res));
 	default:
 		return (EINVAL);
 	}
@@ -810,7 +810,7 @@ lbc_activate_resource(device_t bus, device_t child, int type, int rid,
 		return (bus_generic_rman_activate_resource(bus, child, type,
 		    rid, r));
 	case SYS_RES_IRQ:
-		return (bus_activate_resource(bus, type, rid, r));
+		return (bus_generic_activate_resource(bus, child, type, rid, r));
 	default:
 		return (EINVAL);
 	}
@@ -828,7 +828,7 @@ lbc_deactivate_resource(device_t bus, device_t child, int type, int rid,
 		return (bus_generic_rman_deactivate_resource(bus, child, type,
 		    rid, r));
 	case SYS_RES_IRQ:
-		return (bus_deactivate_resource(bus, type, rid, r));
+		return (bus_generic_deactivate_resource(bus, child, type, rid, r));
 	default:
 		return (EINVAL);
 	}