172 	unsigned long flags;  in tty_port_tty_get()  local
175 	spin_lock_irqsave(&port->lock, flags);  in tty_port_tty_get()
177 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_tty_get()
193 	unsigned long flags;  in tty_port_tty_set()  local
195 	spin_lock_irqsave(&port->lock, flags);  in tty_port_tty_set()
198 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_tty_set()
208 	if (test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags)) {  in tty_port_shutdown()
236 	unsigned long flags;  in tty_port_hangup()  local
238 	spin_lock_irqsave(&port->lock, flags);  in tty_port_hangup()
240 	port->flags &= ~ASYNC_NORMAL_ACTIVE;  in tty_port_hangup()
243 		set_bit(TTY_IO_ERROR, &tty->flags);  in tty_port_hangup()
245 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_hangup()
363 	unsigned long flags;  in tty_port_block_til_ready()  local
367 	if (port->flags & ASYNC_CLOSING) {  in tty_port_block_til_ready()
369 				!(port->flags & ASYNC_CLOSING));  in tty_port_block_til_ready()
370 		if (port->flags & ASYNC_HUP_NOTIFY)  in tty_port_block_til_ready()
378 	if (tty->flags & (1 << TTY_IO_ERROR)) {  in tty_port_block_til_ready()
379 		port->flags |= ASYNC_NORMAL_ACTIVE;  in tty_port_block_til_ready()
386 		port->flags |= ASYNC_NORMAL_ACTIVE;  in tty_port_block_til_ready()
400 	spin_lock_irqsave(&port->lock, flags);  in tty_port_block_til_ready()
403 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_block_til_ready()
407 		if (C_BAUD(tty) && test_bit(ASYNCB_INITIALIZED, &port->flags))  in tty_port_block_til_ready()
413 		if (tty_hung_up_p(filp) || !(port->flags & ASYNC_INITIALIZED)) {  in tty_port_block_til_ready()
414 			if (port->flags & ASYNC_HUP_NOTIFY)  in tty_port_block_til_ready()
426 		if (!(port->flags & ASYNC_CLOSING) &&  in tty_port_block_til_ready()
441 	spin_lock_irqsave(&port->lock, flags);  in tty_port_block_til_ready()
446 		port->flags |= ASYNC_NORMAL_ACTIVE;  in tty_port_block_til_ready()
447 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_block_til_ready()
473 	unsigned long flags;  in tty_port_close_start()  local
478 	spin_lock_irqsave(&port->lock, flags);  in tty_port_close_start()
492 		spin_unlock_irqrestore(&port->lock, flags);  in tty_port_close_start()
495 	set_bit(ASYNCB_CLOSING, &port->flags);  in tty_port_close_start()
496 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_close_start()
500 	if (test_bit(ASYNCB_INITIALIZED, &port->flags)) {  in tty_port_close_start()
520 	unsigned long flags;  in tty_port_close_end()  local
525 	spin_lock_irqsave(&port->lock, flags);  in tty_port_close_end()
528 		spin_unlock_irqrestore(&port->lock, flags);  in tty_port_close_end()
533 		spin_lock_irqsave(&port->lock, flags);  in tty_port_close_end()
536 	port->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);  in tty_port_close_end()
538 	spin_unlock_irqrestore(&port->lock, flags);  in tty_port_close_end()
557 	set_bit(TTY_IO_ERROR, &tty->flags);  in tty_port_close()
605 	if (!test_bit(ASYNCB_INITIALIZED, &port->flags)) {  in tty_port_open()
606 		clear_bit(TTY_IO_ERROR, &tty->flags);  in tty_port_open()
614 		set_bit(ASYNCB_INITIALIZED, &port->flags);  in tty_port_open()