521 struct spi_controller {  struct
522 	struct device	dev;
524 	struct list_head list;
533 	s16			bus_num;
539 	u16			num_chipselect;
544 	u16			dma_alignment;
547 	u32			mode_bits;
550 	u32			buswidth_override_bits;
553 	u32			bits_per_word_mask;
558 	u32			min_speed_hz;
559 	u32			max_speed_hz;
562 	u16			flags;
572 	bool			devm_allocated;
574 	union {
585 	size_t (*max_transfer_size)(struct spi_device *spi);
586 	size_t (*max_message_size)(struct spi_device *spi);
589 	struct mutex		io_mutex;
592 	struct mutex		add_lock;
595 	spinlock_t		bus_lock_spinlock;
596 	struct mutex		bus_lock_mutex;
599 	bool			bus_lock_flag;
608 	int			(*setup)(struct spi_device *spi);
618 	int (*set_cs_timing)(struct spi_device *spi);
643 	/* Called on release() to free memory provided by spi_controller */  argument
653 	bool			(*can_dma)(struct spi_controller *ctlr,  argument
656 	struct device *dma_map_dev;
657 	struct device *cur_rx_dma_dev;
658 	struct device *cur_tx_dma_dev;
686 	int (*prepare_transfer_hardware)(struct spi_controller *ctlr);  argument
687 	int (*transfer_one_message)(struct spi_controller *ctlr,  argument
689 	int (*unprepare_transfer_hardware)(struct spi_controller *ctlr);  argument
690 	int (*prepare_message)(struct spi_controller *ctlr,  argument
692 	int (*unprepare_message)(struct spi_controller *ctlr,  argument
695 		int (*slave_abort)(struct spi_controller *ctlr);  argument
704 	int (*transfer_one)(struct spi_controller *ctlr, struct spi_device *spi,  argument
706 	void (*handle_err)(struct spi_controller *ctlr,  argument
710 	const struct spi_controller_mem_ops *mem_ops;  argument
711 	const struct spi_controller_mem_caps *mem_caps;  argument
730 	int (*fw_translate_cs)(struct spi_controller *ctlr, unsigned cs);  argument
746 static inline void *spi_controller_get_devdata(struct spi_controller *ctlr)  in spi_controller_get_devdata()  argument