154 struct spi_nor {  struct
170 	int (*prepare)(struct spi_nor *nor, enum spi_nor_ops ops);  argument
171 	void (*unprepare)(struct spi_nor *nor, enum spi_nor_ops ops);  argument
172 	int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);  argument
173 	int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);  argument
175 	int (*read)(struct spi_nor *nor, loff_t from,  argument
177 	void (*write)(struct spi_nor *nor, loff_t to,  argument
179 	int (*erase)(struct spi_nor *nor, loff_t offs);  argument
181 	int (*flash_lock)(struct spi_nor *nor, loff_t ofs, uint64_t len);  argument
182 	int (*flash_unlock)(struct spi_nor *nor, loff_t ofs, uint64_t len);  argument
183 	int (*flash_is_locked)(struct spi_nor *nor, loff_t ofs, uint64_t len);  argument
190  * @nor:	the spi_nor structure  argument