117 struct uart_port {  struct
121 	unsigned int		(*serial_in)(struct uart_port *, int);  argument
122 	void			(*serial_out)(struct uart_port *, int, int);  argument
123 	void			(*set_termios)(struct uart_port *,  argument
126 	void			(*set_ldisc)(struct uart_port *,  argument
128 	unsigned int		(*get_mctrl)(struct uart_port *);  argument
129 	void			(*set_mctrl)(struct uart_port *, unsigned int);  argument
130 	unsigned int		(*get_divisor)(struct uart_port *,  argument
133 	void			(*set_divisor)(struct uart_port *,  argument
137 	int			(*startup)(struct uart_port *port);  argument
138 	void			(*shutdown)(struct uart_port *port);  argument
139 	void			(*throttle)(struct uart_port *port);  argument
140 	void			(*unthrottle)(struct uart_port *port);  argument
141 	int			(*handle_irq)(struct uart_port *);  argument
142 	void			(*pm)(struct uart_port *, unsigned int state,  argument
144 	void			(*handle_break)(struct uart_port *);  argument
145 	int			(*rs485_config)(struct uart_port *,  argument
147 	unsigned int		irq;			/* irq number */
148 	unsigned long		irqflags;		/* irq flags  */
149 	unsigned int		uartclk;		/* base uart clock */
150 	unsigned int		fifosize;		/* tx fifo size */
151 	unsigned char		x_char;			/* xon/xoff char */
152 	unsigned char		regshift;		/* reg offset shift */
153 	unsigned char		iotype;			/* io access style */
154 	unsigned char		quirks;			/* internal quirks */
168 	unsigned int		read_status_mask;	/* driver specific */
169 	unsigned int		ignore_status_mask;	/* driver specific */
170 	struct uart_state	*state;			/* pointer to parent state */
171 	struct uart_icount	icount;			/* statistics */
173 	struct console		*cons;			/* struct console, if any */
175 	unsigned long		sysrq;			/* sysrq timeout */
179 	upf_t			flags;
236 	upstat_t		status;
266 static inline int serial_port_in(struct uart_port *up, int offset)  in serial_port_in()  argument
299 	struct uart_port	*uart_port;  member