Function bus_alloc_resource

freebsd/kern/subr_bus.c:4609–4620

* @brief Wrapper function for BUS_ALLOC_RESOURCE(). * * This function simply calls the BUS_ALLOC_RESOURCE() method of the * parent of @p dev. */

 * parent of @p dev.
 */
struct resource *
bus_alloc_resource(device_t dev, int type, int *rid, rman_res_t start,
    rman_res_t end, rman_res_t count, u_int flags)
{
	struct resource *res;

	if (dev->parent == NULL)
		return (NULL);
	res = BUS_ALLOC_RESOURCE(dev->parent, dev, type, rid, start, end,
	    count, flags);
	return (res);
}

/**
 * @brief Wrapper function for BUS_ADJUST_RESOURCE().