301 	int (*prepare)(struct spi_nor *nor, enum spi_nor_ops ops);
302 	void (*unprepare)(struct spi_nor *nor, enum spi_nor_ops ops);
303 	int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
304 	int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
306 	ssize_t (*read)(struct spi_nor *nor, loff_t from,
308 	ssize_t (*write)(struct spi_nor *nor, loff_t to,
310 	int (*erase)(struct spi_nor *nor, loff_t offs);
312 	int (*flash_lock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
313 	int (*flash_unlock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
314 	int (*flash_is_locked)(struct spi_nor *nor, loff_t ofs, uint64_t len);
315 	int (*quad_enable)(struct spi_nor *nor);
320 static inline void spi_nor_set_flash_node(struct spi_nor *nor,  in spi_nor_set_flash_node()  argument
323 	mtd_set_of_node(&nor->mtd, np);  in spi_nor_set_flash_node()
326 static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor)  in spi_nor_get_flash_node()  argument
328 	return mtd_get_of_node(&nor->mtd);  in spi_nor_get_flash_node()
406 int spi_nor_scan(struct spi_nor *nor, const char *name,
413 void spi_nor_restore(struct spi_nor *nor);