static int ynorif1_WriteChunkToNAND(struct yaffs_dev *dev,int nand_chunk,
const u8 *data, int data_len,
const u8 *oob, int oob_len)
static int ynorif1_WriteChunkToNAND(struct yaffs_dev *dev,int nand_chunk,
const u8 *data, int data_len,
const u8 *oob, int oob_len)