Lines Matching defs:tty_port

221 struct tty_port {  struct
225 	const struct tty_port_operations *ops;	/* Port operations */  argument
226 	spinlock_t		lock;		/* Lock protecting tty field */
227 	int			blocked_open;	/* Waiting to open */
228 	int			count;		/* Usage count */
229 	wait_queue_head_t	open_wait;	/* Open waiters */
230 	wait_queue_head_t	delta_msr_wait;	/* Modem status change */
231 	unsigned long		flags;		/* TTY flags ASY_*/
232 	unsigned char		console:1,	/* port is a console */
233 				low_latency:1;	/* optional: tune for latency */
234 	struct mutex		mutex;		/* Locking */
235 	struct mutex		buf_mutex;	/* Buffer alloc lock */
236 	unsigned char		*xmit_buf;	/* Optional buffer */
237 	unsigned int		close_delay;	/* Close port delay */
238 	unsigned int		closing_wait;	/* Delay for output */
239 	int			drain_delay;	/* Set to zero if no pure time
242 	struct kref		kref;		/* Ref counter */