171 	unsigned long flags;  in tty_port_tty_get()  local
174 	spin_lock_irqsave(&port->lock, flags);  in tty_port_tty_get()
176 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_tty_get()
192 	unsigned long flags;  in tty_port_tty_set()  local
194 	spin_lock_irqsave(&port->lock, flags);  in tty_port_tty_set()
197 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_tty_set()
207 	if (test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags)) {  in tty_port_shutdown()
235 	unsigned long flags;  in tty_port_hangup()  local
237 	spin_lock_irqsave(&port->lock, flags);  in tty_port_hangup()
239 	port->flags &= ~ASYNC_NORMAL_ACTIVE;  in tty_port_hangup()
242 		set_bit(TTY_IO_ERROR, &tty->flags);  in tty_port_hangup()
244 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_hangup()
362 	unsigned long flags;  in tty_port_block_til_ready()  local
367 	if (tty->flags & (1 << TTY_IO_ERROR)) {  in tty_port_block_til_ready()
368 		port->flags |= ASYNC_NORMAL_ACTIVE;  in tty_port_block_til_ready()
375 		port->flags |= ASYNC_NORMAL_ACTIVE;  in tty_port_block_til_ready()
389 	spin_lock_irqsave(&port->lock, flags);  in tty_port_block_til_ready()
392 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_block_til_ready()
396 		if (C_BAUD(tty) && test_bit(ASYNCB_INITIALIZED, &port->flags))  in tty_port_block_til_ready()
402 		if (tty_hung_up_p(filp) || !(port->flags & ASYNC_INITIALIZED)) {  in tty_port_block_til_ready()
403 			if (port->flags & ASYNC_HUP_NOTIFY)  in tty_port_block_til_ready()
429 	spin_lock_irqsave(&port->lock, flags);  in tty_port_block_til_ready()
434 		port->flags |= ASYNC_NORMAL_ACTIVE;  in tty_port_block_til_ready()
435 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_block_til_ready()
458 	unsigned long flags;  in tty_port_close_start()  local
463 	spin_lock_irqsave(&port->lock, flags);  in tty_port_close_start()
477 		spin_unlock_irqrestore(&port->lock, flags);  in tty_port_close_start()
480 	set_bit(ASYNCB_CLOSING, &port->flags);  in tty_port_close_start()
481 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_close_start()
485 	if (test_bit(ASYNCB_INITIALIZED, &port->flags)) {  in tty_port_close_start()
505 	unsigned long flags;  in tty_port_close_end()  local
510 	spin_lock_irqsave(&port->lock, flags);  in tty_port_close_end()
513 		spin_unlock_irqrestore(&port->lock, flags);  in tty_port_close_end()
518 		spin_lock_irqsave(&port->lock, flags);  in tty_port_close_end()
521 	port->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);  in tty_port_close_end()
522 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_close_end()
537 	set_bit(TTY_IO_ERROR, &tty->flags);  in tty_port_close()
585 	if (!test_bit(ASYNCB_INITIALIZED, &port->flags)) {  in tty_port_open()
586 		clear_bit(TTY_IO_ERROR, &tty->flags);  in tty_port_open()
594 		set_bit(ASYNCB_INITIALIZED, &port->flags);  in tty_port_open()