472 struct spi_controller {  struct
473 	struct device	dev;
475 	struct list_head list;
483 	s16			bus_num;
488 	u16			num_chipselect;
493 	u16			dma_alignment;
496 	u32			mode_bits;
499 	u32			buswidth_override_bits;
502 	u32			bits_per_word_mask;
507 	u32			min_speed_hz;
508 	u32			max_speed_hz;
511 	u16			flags;
521 	bool			slave;
527 	size_t (*max_transfer_size)(struct spi_device *spi);
528 	size_t (*max_message_size)(struct spi_device *spi);
531 	struct mutex		io_mutex;
534 	spinlock_t		bus_lock_spinlock;
535 	struct mutex		bus_lock_mutex;
538 	bool			bus_lock_flag;
546 	int			(*setup)(struct spi_device *spi);
556 	int (*set_cs_timing)(struct spi_device *spi, struct spi_delay *setup,
581 	/* called on release() to free memory provided by spi_controller */  argument
591 	bool			(*can_dma)(struct spi_controller *ctlr,  argument
620 	int (*prepare_transfer_hardware)(struct spi_controller *ctlr);  argument
621 	int (*transfer_one_message)(struct spi_controller *ctlr,  argument
623 	int (*unprepare_transfer_hardware)(struct spi_controller *ctlr);  argument
624 	int (*prepare_message)(struct spi_controller *ctlr,  argument
626 	int (*unprepare_message)(struct spi_controller *ctlr,  argument
628 	int (*slave_abort)(struct spi_controller *ctlr);  argument
635 	int (*transfer_one)(struct spi_controller *ctlr, struct spi_device *spi,  argument
637 	void (*handle_err)(struct spi_controller *ctlr,  argument
641 	const struct spi_controller_mem_ops *mem_ops;  argument
644 	struct spi_delay	cs_setup;
645 	struct spi_delay	cs_hold;
646 	struct spi_delay	cs_inactive;
649 	int			*cs_gpios;
673 	int (*fw_translate_cs)(struct spi_controller *ctlr, unsigned cs);  argument
688 static inline void *spi_controller_get_devdata(struct spi_controller *ctlr)  in spi_controller_get_devdata()  argument