571 struct spi_nor {  struct
585 	enum spi_nor_protocol	read_proto;  argument
586 	enum spi_nor_protocol	write_proto;  argument
587 	enum spi_nor_protocol	reg_proto;  argument
591 	int (*prepare)(struct spi_nor *nor, enum spi_nor_ops ops);  argument
592 	void (*unprepare)(struct spi_nor *nor, enum spi_nor_ops ops);  argument
593 	int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);  argument
594 	int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);  argument
596 	ssize_t (*read)(struct spi_nor *nor, loff_t from,  argument
598 	ssize_t (*write)(struct spi_nor *nor, loff_t to,  argument
600 	int (*erase)(struct spi_nor *nor, loff_t offs);  argument
602 	int (*clear_sr_bp)(struct spi_nor *nor);  argument
603 	struct spi_nor_flash_parameter params;  argument
609 spi_nor_region_is_last(const struct spi_nor_erase_region *region)  in spi_nor_region_is_last()  argument