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/zs.c b/drivers/serial/zs.c
index b9c9fb9198d6..1a7fd3e70315 100644
--- a/drivers/serial/zs.c
+++ b/drivers/serial/zs.c
@@ -686,7 +686,7 @@ static void zs_status_handle(struct zs_port *zport, struct zs_port *zport_a)
                         uport->icount.rng++;
 
                 if (delta)
-                        wake_up_interruptible(&uport->state->delta_msr_wait);
+                        wake_up_interruptible(&uport->state->port.delta_msr_wait);
 
                 spin_lock(&scc->zlock);
         }