diff --git a/sys/dev/ofw/ofw_pci.c b/sys/dev/ofw/ofw_pci.c
index 7f7aad379ddc..4bd6ccd64420 100644
--- a/sys/dev/ofw/ofw_pci.c
+++ b/sys/dev/ofw/ofw_pci.c
@@ -1,93 +1,94 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  *
  * Copyright (c) 2021 Alstom Group.
  * Copyright (c) 2021 Semihalf.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/bus.h>
 #include <sys/kernel.h>
 #include <sys/module.h>
+#include <sys/rman.h>
 
 #include <dev/pci/pcireg.h>
 #include <dev/pci/pcivar.h>
 #include <dev/pci/pci_private.h>
 
 #include <dev/ofw/openfirm.h>
 #include <dev/ofw/ofw_bus.h>
 #include <dev/ofw/ofw_bus_subr.h>
 
 #include "pcib_if.h"
 #include "pci_if.h"
 
 static int	ofw_pci_probe(device_t);
 static const struct ofw_bus_devinfo* pci_ofw_get_devinfo(device_t, device_t);
 
 static device_method_t ofw_pci_methods[] = {
 	DEVMETHOD(device_probe,		ofw_pci_probe),
 
 	/* ofw_bus interface */
 	DEVMETHOD(ofw_bus_get_devinfo,	pci_ofw_get_devinfo),
 	DEVMETHOD(ofw_bus_get_compat,	ofw_bus_gen_get_compat),
 	DEVMETHOD(ofw_bus_get_model,	ofw_bus_gen_get_model),
 	DEVMETHOD(ofw_bus_get_name,	ofw_bus_gen_get_name),
 	DEVMETHOD(ofw_bus_get_node,	ofw_bus_gen_get_node),
 	DEVMETHOD(ofw_bus_get_type,	ofw_bus_gen_get_type),
 
 	DEVMETHOD_END
 };
 
 static devclass_t pci_devclass;
 
 DEFINE_CLASS_1(pci, ofw_pci_driver, ofw_pci_methods, sizeof(struct pci_softc),
     pci_driver);
 DRIVER_MODULE(ofw_pci, pcib, ofw_pci_driver, pci_devclass, 0, 0);
 MODULE_DEPEND(ofw_pci, simplebus, 1, 1, 1);
 MODULE_DEPEND(ofw_pci, pci, 1, 1, 1);
 MODULE_VERSION(ofw_pci, 1);
 
 static int
 ofw_pci_probe(device_t dev)
 {
 	device_t parent;
 
 	parent = device_get_parent(dev);
 	if (ofw_bus_get_node(parent) == -1)
 		return (ENXIO);
 
 	device_set_desc(dev, "OFW PCI bus");
 	return (BUS_PROBE_DEFAULT);
 }
 
 /* Pass the request up to our parent. */
 static const struct ofw_bus_devinfo*
 pci_ofw_get_devinfo(device_t bus, device_t dev)
 {
 
 	return OFW_BUS_GET_DEVINFO(device_get_parent(bus), dev);
 }