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/sunsab.c b/drivers/serial/sunsab.c
index 7c4f2fe8e246..d1ad34128635 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -297,7 +297,7 @@ static void check_status(struct uart_sunsab_port *up,
                 up->port.icount.dsr++;
         }
 
-        wake_up_interruptible(&up->port.state->delta_msr_wait);
+        wake_up_interruptible(&up->port.state->port.delta_msr_wait);
 }
 
 static irqreturn_t sunsab_interrupt(int irq, void *dev_id)