23 #define uart_console(port) \  argument
24 	((port)->cons && (port)->cons->index == (port)->line)
26 #define uart_console(port)      ({ (void)port; 0; })  argument
125 	int			(*startup)(struct uart_port *port);
126 	void			(*shutdown)(struct uart_port *port);
127 	void			(*throttle)(struct uart_port *port);
128 	void			(*unthrottle)(struct uart_port *port);
284 	struct tty_port		port;  member
320 void uart_write_wakeup(struct uart_port *port);
325 void uart_update_timeout(struct uart_port *port, unsigned int cflag,
327 unsigned int uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
330 unsigned int uart_get_divisor(struct uart_port *port, unsigned int baud);
333 static inline int uart_poll_timeout(struct uart_port *port)  in uart_poll_timeout()  argument
335 	int timeout = port->timeout;  in uart_poll_timeout()
345 	struct uart_port port;  member
400 int uart_set_options(struct uart_port *port, struct console *co, int baud,
403 void uart_console_write(struct uart_port *port, const char *s,
412 int uart_add_one_port(struct uart_driver *reg, struct uart_port *port);
413 int uart_remove_one_port(struct uart_driver *reg, struct uart_port *port);
419 int uart_suspend_port(struct uart_driver *reg, struct uart_port *port);
420 int uart_resume_port(struct uart_driver *reg, struct uart_port *port);
431 static inline int uart_tx_stopped(struct uart_port *port)  in uart_tx_stopped()  argument
433 	struct tty_struct *tty = port->state->port.tty;  in uart_tx_stopped()
434 	if ((tty && tty->stopped) || port->hw_stopped)  in uart_tx_stopped()
460 extern void uart_insert_char(struct uart_port *port, unsigned int status,
465 uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)  in uart_handle_sysrq_char()  argument
467 	if (port->sysrq) {  in uart_handle_sysrq_char()
468 		if (ch && time_before(jiffies, port->sysrq)) {  in uart_handle_sysrq_char()
470 			port->sysrq = 0;  in uart_handle_sysrq_char()
473 		port->sysrq = 0;  in uart_handle_sysrq_char()
478 uart_prepare_sysrq_char(struct uart_port *port, unsigned int ch)  in uart_prepare_sysrq_char()  argument
480 	if (port->sysrq) {  in uart_prepare_sysrq_char()
481 		if (ch && time_before(jiffies, port->sysrq)) {  in uart_prepare_sysrq_char()
482 			port->sysrq_ch = ch;  in uart_prepare_sysrq_char()
483 			port->sysrq = 0;  in uart_prepare_sysrq_char()
486 		port->sysrq = 0;  in uart_prepare_sysrq_char()
491 uart_unlock_and_check_sysrq(struct uart_port *port, unsigned long irqflags)  in uart_unlock_and_check_sysrq()  argument
495 	sysrq_ch = port->sysrq_ch;  in uart_unlock_and_check_sysrq()
496 	port->sysrq_ch = 0;  in uart_unlock_and_check_sysrq()
498 	spin_unlock_irqrestore(&port->lock, irqflags);  in uart_unlock_and_check_sysrq()
505 uart_handle_sysrq_char(struct uart_port *port, unsigned int ch) { return 0; }  in uart_handle_sysrq_char()  argument
507 uart_prepare_sysrq_char(struct uart_port *port, unsigned int ch) { return 0; }  in uart_prepare_sysrq_char()  argument
509 uart_unlock_and_check_sysrq(struct uart_port *port, unsigned long irqflags)  in uart_unlock_and_check_sysrq()  argument
511 	spin_unlock_irqrestore(&port->lock, irqflags);  in uart_unlock_and_check_sysrq()
518 static inline int uart_handle_break(struct uart_port *port)  in uart_handle_break()  argument
520 	struct uart_state *state = port->state;  in uart_handle_break()
522 	if (port->handle_break)  in uart_handle_break()
523 		port->handle_break(port);  in uart_handle_break()
526 	if (port->cons && port->cons->index == port->line) {  in uart_handle_break()
527 		if (!port->sysrq) {  in uart_handle_break()
528 			port->sysrq = jiffies + HZ*5;  in uart_handle_break()
531 		port->sysrq = 0;  in uart_handle_break()
534 	if (port->flags & UPF_SAK)  in uart_handle_break()
535 		do_SAK(state->port.tty);  in uart_handle_break()
542 #define UART_ENABLE_MS(port,cflag)	((port)->flags & UPF_HARDPPS_CD || \  argument