162 struct spi_nor {  struct
175 	struct spi_nor_xfer_cfg	cfg;  argument
178 	int (*prepare)(struct spi_nor *nor, enum spi_nor_ops ops);  argument
179 	void (*unprepare)(struct spi_nor *nor, enum spi_nor_ops ops);  argument
180 	int (*read_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg,  argument
182 	int (*write_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg,  argument
184 	int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);  argument
185 	int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len,  argument
188 	int (*read)(struct spi_nor *nor, loff_t from,  argument
190 	void (*write)(struct spi_nor *nor, loff_t to,  argument
192 	int (*erase)(struct spi_nor *nor, loff_t offs);  argument
194 	int (*flash_lock)(struct spi_nor *nor, loff_t ofs, uint64_t len);  argument
195 	int (*flash_unlock)(struct spi_nor *nor, loff_t ofs, uint64_t len);  argument
202  * @nor:	the spi_nor structure  argument