550 struct spi_controller {  struct
551 	struct device	dev;
553 	struct list_head list;
562 	s16			bus_num;
568 	u16			num_chipselect;
573 	u16			dma_alignment;
576 	u32			mode_bits;
579 	u32			buswidth_override_bits;
582 	u32			bits_per_word_mask;
587 	u32			min_speed_hz;
588 	u32			max_speed_hz;
591 	u16			flags;
606 	bool			devm_allocated;
608 	union {
619 	size_t (*max_transfer_size)(struct spi_device *spi);
620 	size_t (*max_message_size)(struct spi_device *spi);
623 	struct mutex		io_mutex;
626 	struct mutex		add_lock;
629 	spinlock_t		bus_lock_spinlock;
630 	struct mutex		bus_lock_mutex;
633 	bool			bus_lock_flag;
642 	int			(*setup)(struct spi_device *spi);
652 	int (*set_cs_timing)(struct spi_device *spi);
677 	/* Called on release() to free memory provided by spi_controller */  argument
687 	bool			(*can_dma)(struct spi_controller *ctlr,  argument
690 	struct device *dma_map_dev;
691 	struct device *cur_rx_dma_dev;
692 	struct device *cur_tx_dma_dev;
722 	int (*prepare_transfer_hardware)(struct spi_controller *ctlr);  argument
723 	int (*transfer_one_message)(struct spi_controller *ctlr,  argument
725 	int (*unprepare_transfer_hardware)(struct spi_controller *ctlr);  argument
726 	int (*prepare_message)(struct spi_controller *ctlr,  argument
728 	int (*unprepare_message)(struct spi_controller *ctlr,  argument
730 	int (*target_abort)(struct spi_controller *ctlr);  argument
737 	int (*transfer_one)(struct spi_controller *ctlr, struct spi_device *spi,  argument
739 	void (*handle_err)(struct spi_controller *ctlr,  argument
743 	const struct spi_controller_mem_ops *mem_ops;  argument
744 	const struct spi_controller_mem_caps *mem_caps;  argument
767 	int (*fw_translate_cs)(struct spi_controller *ctlr, unsigned cs);  argument
784 static inline void *spi_controller_get_devdata(struct spi_controller *ctlr)  in spi_controller_get_devdata()  argument