Driver/tiny_tty/tiny_serial

044 :struct tiny_serial {
045 : struct tty_struct *tty; /* pointer to the tty for this device */
046 : int open_count; /* number of times this port has been opened */
047 : struct semaphore sem; /* locks this structure */
048 : struct timer_list *timer;
049 :
050 : /* for tiocmget and tiocmset functions */
051 : int msr; /* MSR shadow */
052 : int mcr; /* MCR shadow */
053 :
054 : /* for ioctl fun */
055 : struct serial_struct serial;
056 : wait_queue_head_t wait;
057 : struct async_icount icount;
058 :};