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/icom.c b/drivers/serial/icom.c
index f86c47e..2d7feec 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -695,7 +695,7 @@
delta_status & ICOM_CTS);
wake_up_interruptible(&icom_port->uart_port.state->
- delta_msr_wait);
+ port.delta_msr_wait);
old_status = status;
}
spin_unlock(&icom_port->uart_port.lock);