diff --git a/sys/dev/intel/spi_acpi.c b/sys/dev/intel/spi_acpi.c
--- a/sys/dev/intel/spi_acpi.c
+++ b/sys/dev/intel/spi_acpi.c
@@ -93,6 +93,15 @@
 	DEVMETHOD(device_suspend, intelspi_suspend),
 	DEVMETHOD(device_resume, intelspi_resume),
 
+	/* Bus interface */
+	DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
+	DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
+	DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
+	DEVMETHOD(bus_release_resource, bus_generic_release_resource),
+	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
+	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
+	DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource),
+
 	/* SPI interface */
 	DEVMETHOD(spibus_transfer, intelspi_transfer),
 
diff --git a/sys/dev/intel/spi_pci.c b/sys/dev/intel/spi_pci.c
--- a/sys/dev/intel/spi_pci.c
+++ b/sys/dev/intel/spi_pci.c
@@ -119,6 +119,15 @@
 	DEVMETHOD(device_suspend, intelspi_suspend),
 	DEVMETHOD(device_resume, intelspi_resume),
 
+	/* Bus interface */
+	DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
+	DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
+	DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
+	DEVMETHOD(bus_release_resource, bus_generic_release_resource),
+	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
+	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
+	DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource),
+
 	/* SPI interface */
 	DEVMETHOD(spibus_transfer, intelspi_transfer),