serial: Fold closing_* fields into the tty_port ones

Remove some more serial specific use

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index c154270..fd11d4d 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -350,8 +350,6 @@
  */
 struct uart_state {
 	struct tty_port		port;
-	unsigned int		close_delay;		/* msec */
-	unsigned int		closing_wait;		/* msec */
 
 #define USF_CLOSING_WAIT_INF	(0)
 #define USF_CLOSING_WAIT_NONE	(~0U)
diff --git a/include/linux/tty.h b/include/linux/tty.h
index ecb3d1b..9fdc3d8 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -206,8 +206,8 @@
 	unsigned long		flags;		/* TTY flags ASY_*/
 	struct mutex		mutex;		/* Locking */
 	unsigned char		*xmit_buf;	/* Optional buffer */
-	int			close_delay;	/* Close port delay */
-	int			closing_wait;	/* Delay for output */
+	unsigned int		close_delay;	/* Close port delay */
+	unsigned int		closing_wait;	/* Delay for output */
 	int			drain_delay;	/* Set to zero if no pure time
 						   based drain is needed else
 						   set to size of fifo */