1218 struct nand_chip {  struct
1223 	struct nand_chip_ops ops;  argument
1224 	struct nand_legacy legacy;
1225 	unsigned int options;
1228 	const struct nand_interface_config *current_interface_config;
1229 	struct nand_interface_config *best_interface_config;
1232 	unsigned int bbt_erase_shift;
1233 	unsigned int bbt_options;
1234 	unsigned int badblockpos;
1235 	unsigned int badblockbits;
1236 	struct nand_bbt_descr *bbt_td;
1237 	struct nand_bbt_descr *bbt_md;
1238 	struct nand_bbt_descr *badblock_pattern;
1239 	u8 *bbt;
1242 	unsigned int page_shift;
1243 	unsigned int phys_erase_shift;
1244 	unsigned int chip_shift;
1245 	unsigned int pagemask;
1246 	unsigned int subpagesize;
1270 static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd)  in mtd_to_nand()  argument