diff --git a/sys/dev/mmc/host/dwmmc_altera.c b/sys/dev/mmc/host/dwmmc_altera.c
index 00aac1a562de..2a30104a45e6 100644
--- a/sys/dev/mmc/host/dwmmc_altera.c
+++ b/sys/dev/mmc/host/dwmmc_altera.c
@@ -1,103 +1,105 @@
 /*
  * Copyright 2017 Emmanuel Vadot <manu@freebsd.org>
  * All rights reserved.
  *
  * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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/kernel.h>
 #include <sys/bus.h>
 #include <sys/module.h>
 
 #include <machine/bus.h>
 
 #include <dev/mmc/bridge.h>
 
 #include <dev/ofw/ofw_bus_subr.h>
 
 #include <dev/mmc/host/dwmmc_var.h>
 
+#include "opt_mmccam.h"
+
 static struct ofw_compat_data compat_data[] = {
 	{"altr,socfpga-dw-mshc",	1},
 	{NULL,				0},
 };
 
 static int
 altera_dwmmc_probe(device_t dev)
 {
 
 	if (!ofw_bus_status_okay(dev))
 		return (ENXIO);
 
 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
 		return (ENXIO);
 
 	device_set_desc(dev, "Synopsys DesignWare Mobile "
 	    "Storage Host Controller (Altera)");
 
 	return (BUS_PROBE_VENDOR);
 }
 
 static int
 altera_dwmmc_attach(device_t dev)
 {
 	struct dwmmc_softc *sc;
 	phandle_t root;
 
 	sc = device_get_softc(dev);
 	sc->hwtype = HWTYPE_ALTERA;
 
 	root = OF_finddevice("/");
 
 	if (ofw_bus_node_is_compatible(root, "altr,socfpga-stratix10")) {
 		sc->bus_hz = 24000000;
 		sc->use_pio = 1;
 	}
 
 	return (dwmmc_attach(dev));
 }
 
 static device_method_t altera_dwmmc_methods[] = {
 	/* bus interface */
 	DEVMETHOD(device_probe, altera_dwmmc_probe),
 	DEVMETHOD(device_attach, altera_dwmmc_attach),
 
 	DEVMETHOD_END
 };
 
 static devclass_t altera_dwmmc_devclass;
 
 DEFINE_CLASS_1(altera_dwmmc, altera_dwmmc_driver, altera_dwmmc_methods,
     sizeof(struct dwmmc_softc), dwmmc_driver);
 
 DRIVER_MODULE(altera_dwmmc, simplebus, altera_dwmmc_driver,
     altera_dwmmc_devclass, 0, 0);
 DRIVER_MODULE(altera_dwmmc, ofwbus, altera_dwmmc_driver, altera_dwmmc_devclass
     , NULL, NULL);
 #ifndef MMCCAM
 MMC_DECLARE_BRIDGE(altera_dwmmc);
 #endif