serial: move delta_msr_wait into the tty_port

This is used by various drivers not just serial and can be extracted
as commonality

Signed-off-by: Alan Cox <alan@linux.intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c
index 3d40be6f389f..34b31da01d09 100644
--- a/drivers/serial/timbuart.c
+++ b/drivers/serial/timbuart.c
@@ -231,7 +231,7 @@ static void timbuart_mctrl_check(struct uart_port *port, u32 isr, u32 *ier)
                 iowrite32(CTS_DELTA, port->membase + TIMBUART_ISR);
                 cts = timbuart_get_mctrl(port);
                 uart_handle_cts_change(port, cts & TIOCM_CTS);
-                wake_up_interruptible(&port->state->delta_msr_wait);
+                wake_up_interruptible(&port->state->port.delta_msr_wait);
         }
 
         *ier |= CTS_DELTA;