429 struct uart_port {  struct
433 	unsigned int		(*serial_in)(struct uart_port *, int);  argument
434 	void			(*serial_out)(struct uart_port *, int, int);  argument
435 	void			(*set_termios)(struct uart_port *,  argument
438 	void			(*set_ldisc)(struct uart_port *,  argument
440 	unsigned int		(*get_mctrl)(struct uart_port *);  argument
441 	void			(*set_mctrl)(struct uart_port *, unsigned int);  argument
442 	unsigned int		(*get_divisor)(struct uart_port *,  argument
445 	void			(*set_divisor)(struct uart_port *,  argument
449 	int			(*startup)(struct uart_port *port);  argument
450 	void			(*shutdown)(struct uart_port *port);  argument
451 	void			(*throttle)(struct uart_port *port);  argument
452 	void			(*unthrottle)(struct uart_port *port);  argument
453 	int			(*handle_irq)(struct uart_port *);  argument
454 	void			(*pm)(struct uart_port *, unsigned int state,  argument
456 	void			(*handle_break)(struct uart_port *);  argument
457 	int			(*rs485_config)(struct uart_port *,  argument
460 	int			(*iso7816_config)(struct uart_port *,  argument
462 	unsigned int		ctrl_id;		/* optional serial core controller id */
463 	unsigned int		port_id;		/* optional serial core port id */
464 	unsigned int		irq;			/* irq number */
465 	unsigned long		irqflags;		/* irq flags  */
466 	unsigned int		uartclk;		/* base uart clock */
467 	unsigned int		fifosize;		/* tx fifo size */
468 	unsigned char		x_char;			/* xon/xoff char */
469 	unsigned char		regshift;		/* reg offset shift */
470 	unsigned char		iotype;			/* io access style */
471 	unsigned char		quirks;			/* internal quirks */
485 	unsigned int		read_status_mask;	/* driver specific */
486 	unsigned int		ignore_status_mask;	/* driver specific */
487 	struct uart_state	*state;			/* pointer to parent state */
488 	struct uart_icount	icount;			/* statistics */
490 	struct console		*cons;			/* struct console, if any */
492 	upf_t			flags;
550 	upstat_t		status;
559 	bool			hw_stopped;		/* sw-assisted CTS flow state */
560 	unsigned int		mctrl;			/* current modem ctrl settings */
561 	unsigned int		frame_time;		/* frame timing in ns */
562 	unsigned int		type;			/* port type */
563 	const struct uart_ops	*ops;
564 	unsigned int		custom_divisor;
565 	unsigned int		line;			/* port index */
566 	unsigned int		minor;
567 	resource_size_t		mapbase;		/* for ioremap */
568 	resource_size_t		mapsize;
592  * uart_port_lock - Lock the UART port  argument
595 static inline void uart_port_lock(struct uart_port *up)  in uart_port_lock()  argument
703 	struct uart_port	*uart_port;  member