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_mctrl)(struct uart_port *, unsigned int);  argument
127 	int			(*startup)(struct uart_port *port);  argument
128 	void			(*shutdown)(struct uart_port *port);  argument
129 	void			(*throttle)(struct uart_port *port);  argument
130 	void			(*unthrottle)(struct uart_port *port);  argument
131 	int			(*handle_irq)(struct uart_port *);  argument
132 	void			(*pm)(struct uart_port *, unsigned int state,  argument
134 	void			(*handle_break)(struct uart_port *);  argument
135 	int			(*rs485_config)(struct uart_port *,  argument
137 	unsigned int		irq;			/* irq number */
138 	unsigned long		irqflags;		/* irq flags  */
139 	unsigned int		uartclk;		/* base uart clock */
140 	unsigned int		fifosize;		/* tx fifo size */
141 	unsigned char		x_char;			/* xon/xoff char */
142 	unsigned char		regshift;		/* reg offset shift */
143 	unsigned char		iotype;			/* io access style */
144 	unsigned char		unused1;
154 	unsigned int		read_status_mask;	/* driver specific */
155 	unsigned int		ignore_status_mask;	/* driver specific */
156 	struct uart_state	*state;			/* pointer to parent state */
157 	struct uart_icount	icount;			/* statistics */
159 	struct console		*cons;			/* struct console, if any */
161 	unsigned long		sysrq;			/* sysrq timeout */
165 	upf_t			flags;
223 	upstat_t		status;
252 static inline int serial_port_in(struct uart_port *up, int offset)  in serial_port_in()  argument
283 	struct uart_port	*uart_port;  member