312  * struct spi_nor_controller_ops - SPI NOR controller driver specific
320  * @read:		read data from the SPI NOR.
321  * @write:		write data to the SPI NOR.
322  * @erase:		erase a sector of the SPI NOR at the offset @offs; if
323  *			not provided by the driver, SPI NOR will send the erase
327 	int (*prepare)(struct spi_nor *nor);
328 	void (*unprepare)(struct spi_nor *nor);
329 	int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, size_t len);
330 	int (*write_reg)(struct spi_nor *nor, u8 opcode, const u8 *buf,
333 	ssize_t (*read)(struct spi_nor *nor, loff_t from, size_t len, u8 *buf);
334 	ssize_t (*write)(struct spi_nor *nor, loff_t to, size_t len,
336 	int (*erase)(struct spi_nor *nor, loff_t offs);
364  * struct spi_nor - Structure for defining the SPI NOR layer
367  * @dev:		pointer to an SPI device or an SPI NOR controller device
372  * @info:		SPI NOR part JEDEC MFR ID and other info
373  * @manufacturer:	SPI NOR manufacturer
374  * @page_size:		the page size of the SPI NOR
381  * @flags:		flag options for the current SPI NOR (SNOR_F_*)
387  * @controller_ops:	SPI NOR controller driver specific operations.
388  * @params:		[FLASH-SPECIFIC] SPI NOR flash parameters and settings.
430 static inline void spi_nor_set_flash_node(struct spi_nor *nor,  in spi_nor_set_flash_node()  argument
433 	mtd_set_of_node(&nor->mtd, np);  in spi_nor_set_flash_node()
436 static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor)  in spi_nor_get_flash_node()  argument
438 	return mtd_get_of_node(&nor->mtd);  in spi_nor_get_flash_node()
442  * spi_nor_scan() - scan the SPI NOR
443  * @nor:	the spi_nor structure
447  * The drivers can use this function to scan the SPI NOR.
455 int spi_nor_scan(struct spi_nor *nor, const char *name,
459  * spi_nor_restore_addr_mode() - restore the status of SPI NOR
460  * @nor:	the spi_nor structure
462 void spi_nor_restore(struct spi_nor *nor);