Function localbus_alloc_resource

freebsd/arm/mv/mv_localbus.c:331–363

}

static struct resource *
localbus_alloc_resource(device_t bus, device_t child, int type, int *rid,
    rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
	struct localbus_devinfo *di;
	struct resource_list_entry *rle;

	/*
	 * Request for the default allocation with a given rid: use resource
	 * list stored in the local device info.
	 */
	if (RMAN_IS_DEFAULT_RANGE(start, end)) {
		if ((di = device_get_ivars(child)) == NULL)
			return (NULL);

		if (type == SYS_RES_IOPORT)
			type = SYS_RES_MEMORY;

		rid = &di->di_bank;
		rle = resource_list_find(&di->di_res, type, *rid);
		if (rle == NULL) {
			device_printf(bus, "no default resources for "
			    "rid = %d, type = %d\n", *rid, type);
			return (NULL);
		}
		start = rle->start;
		end = rle->end;
		count = rle->count;
	}

	return (bus_generic_alloc_resource(bus, child, type, rid, start, end,
	    count, flags));
}

static struct resource_list *
localbus_get_resource_list(device_t bus, device_t child)