int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
u_char *buffer, int flags);
int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
+int nand_torture(nand_info_t *nand, loff_t offset);
#define NAND_LOCK_STATUS_TIGHT 0x01
#define NAND_LOCK_STATUS_UNLOCK 0x04