549 struct spi_controller {  struct
550 	struct device	dev;
552 	struct list_head list;
561 	s16			bus_num;
567 	u16			num_chipselect;
572 	u16			dma_alignment;
575 	u32			mode_bits;
578 	u32			buswidth_override_bits;
581 	u32			bits_per_word_mask;
586 	u32			min_speed_hz;
587 	u32			max_speed_hz;
590 	u16			flags;
605 	bool			devm_allocated;
607 	union {
618 	size_t (*max_transfer_size)(struct spi_device *spi);
619 	size_t (*max_message_size)(struct spi_device *spi);
622 	struct mutex		io_mutex;
625 	struct mutex		add_lock;
628 	spinlock_t		bus_lock_spinlock;
629 	struct mutex		bus_lock_mutex;
632 	bool			bus_lock_flag;
641 	int			(*setup)(struct spi_device *spi);
651 	int (*set_cs_timing)(struct spi_device *spi);
676 	/* Called on release() to free memory provided by spi_controller */  argument
686 	bool			(*can_dma)(struct spi_controller *ctlr,  argument
689 	struct device *dma_map_dev;
690 	struct device *cur_rx_dma_dev;
691 	struct device *cur_tx_dma_dev;
720 	int (*prepare_transfer_hardware)(struct spi_controller *ctlr);  argument
721 	int (*transfer_one_message)(struct spi_controller *ctlr,  argument
723 	int (*unprepare_transfer_hardware)(struct spi_controller *ctlr);  argument
724 	int (*prepare_message)(struct spi_controller *ctlr,  argument
726 	int (*unprepare_message)(struct spi_controller *ctlr,  argument
729 		int (*slave_abort)(struct spi_controller *ctlr);  argument
738 	int (*transfer_one)(struct spi_controller *ctlr, struct spi_device *spi,  argument
740 	void (*handle_err)(struct spi_controller *ctlr,  argument
744 	const struct spi_controller_mem_ops *mem_ops;  argument
745 	const struct spi_controller_mem_caps *mem_caps;  argument
764 	int (*fw_translate_cs)(struct spi_controller *ctlr, unsigned cs);  argument
780 static inline void *spi_controller_get_devdata(struct spi_controller *ctlr)  in spi_controller_get_devdata()  argument