470 struct spi_controller {  struct
471 	struct device	dev;
473 	struct list_head list;
481 	s16			bus_num;
486 	u16			num_chipselect;
491 	u16			dma_alignment;
494 	u32			mode_bits;
497 	u32			buswidth_override_bits;
500 	u32			bits_per_word_mask;
505 	u32			min_speed_hz;
506 	u32			max_speed_hz;
509 	u16			flags;
519 	bool			devm_allocated;
522 	bool			slave;
528 	size_t (*max_transfer_size)(struct spi_device *spi);
529 	size_t (*max_message_size)(struct spi_device *spi);
532 	struct mutex		io_mutex;
535 	struct mutex		add_lock;
538 	spinlock_t		bus_lock_spinlock;
539 	struct mutex		bus_lock_mutex;
542 	bool			bus_lock_flag;
550 	int			(*setup)(struct spi_device *spi);
560 	int (*set_cs_timing)(struct spi_device *spi);
584 	/* called on release() to free memory provided by spi_controller */  argument
594 	bool			(*can_dma)(struct spi_controller *ctlr,  argument
597 	struct device *dma_map_dev;
624 	int (*prepare_transfer_hardware)(struct spi_controller *ctlr);  argument
625 	int (*transfer_one_message)(struct spi_controller *ctlr,  argument
627 	int (*unprepare_transfer_hardware)(struct spi_controller *ctlr);  argument
628 	int (*prepare_message)(struct spi_controller *ctlr,  argument
630 	int (*unprepare_message)(struct spi_controller *ctlr,  argument
632 	int (*slave_abort)(struct spi_controller *ctlr);  argument
639 	int (*transfer_one)(struct spi_controller *ctlr, struct spi_device *spi,  argument
641 	void (*handle_err)(struct spi_controller *ctlr,  argument
645 	const struct spi_controller_mem_ops *mem_ops;  argument
665 	int (*fw_translate_cs)(struct spi_controller *ctlr, unsigned cs);  argument
677 static inline void *spi_controller_get_devdata(struct spi_controller *ctlr)  in spi_controller_get_devdata()  argument