407 struct spi_controller {  struct
408 	struct device	dev;
410 	struct list_head list;
418 	s16			bus_num;
423 	u16			num_chipselect;
428 	u16			dma_alignment;
431 	u16			mode_bits;
434 	u32			bits_per_word_mask;
440 	u32			min_speed_hz;
441 	u32			max_speed_hz;
444 	u16			flags;
454 	bool			slave;
460 	size_t (*max_transfer_size)(struct spi_device *spi);
461 	size_t (*max_message_size)(struct spi_device *spi);
464 	struct mutex		io_mutex;
467 	spinlock_t		bus_lock_spinlock;
468 	struct mutex		bus_lock_mutex;
471 	bool			bus_lock_flag;
479 	int			(*setup)(struct spi_device *spi);
503 	/* called on release() to free memory provided by spi_controller */  argument
513 	bool			(*can_dma)(struct spi_controller *ctlr,  argument
540 	int (*prepare_transfer_hardware)(struct spi_controller *ctlr);  argument
541 	int (*transfer_one_message)(struct spi_controller *ctlr,  argument
543 	int (*unprepare_transfer_hardware)(struct spi_controller *ctlr);  argument
544 	int (*prepare_message)(struct spi_controller *ctlr,  argument
546 	int (*unprepare_message)(struct spi_controller *ctlr,  argument
548 	int (*slave_abort)(struct spi_controller *ctlr);  argument
555 	int (*transfer_one)(struct spi_controller *ctlr, struct spi_device *spi,  argument
557 	void (*handle_err)(struct spi_controller *ctlr,  argument
561 	const struct spi_controller_mem_ops *mem_ops;  argument
577 	int (*fw_translate_cs)(struct spi_controller *ctlr, unsigned cs);  argument