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>
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index 2e847de..ebff4a1 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -354,7 +354,7 @@
uart_handle_cts_change(&up->port,
(status & CTS));
- wake_up_interruptible(&up->port.state->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
up->prev_status = status;