/* read function for 16bit buswith without endianess conversion  */
static u16 au_read_word(struct mtd_info *mtd)
/* read function for 16bit buswith without endianess conversion  */
static u16 au_read_word(struct mtd_info *mtd)
{
	struct nand_chip *this = mtd->priv;
	u16 ret = readw(this->IO_ADDR_R);
	au_sync();
	return ret;
}