/* page i/o for the relevant flavor of hardware ECC */
int (*read_page)(struct nand_device_s *nand, uint32_t page,
uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
/* page i/o for the relevant flavor of hardware ECC */
int (*read_page)(struct nand_device_s *nand, uint32_t page,
uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);