Function nexus_activate_resource

freebsd/x86/x86/nexus.c:435–457

}

static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
			struct resource *r)
{
	struct resource_map map;
	int error;

	error = rman_activate_resource(r);
	if (error != 0)
		return (error);

	if (!(rman_get_flags(r) & RF_UNMAPPED) &&
	    (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT)) {
		error = nexus_map_resource(bus, child, type, r, NULL, &map);
		if (error) {
			rman_deactivate_resource(r);
			return (error);
		}

		rman_set_mapping(r,&map);
	}
	return (0);
}

static int
nexus_deactivate_resource(device_t bus, device_t child, int type, int rid,