serial: remove termios checks from various old char serial drivers

Signed-off-by: Alan Cox <alan@redhat.com>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 5953a45..2aee3fe 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -90,8 +90,6 @@
 #define UART_MCR_AFE		0x20
 #define UART_LSR_SPECIAL	0x1E
 
-#define RELEVANT_IFLAG(iflag)	(iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|\
-					  IXON|IXOFF))
 
 #define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? IRQF_SHARED : IRQF_DISABLED)
 
@@ -1729,16 +1727,12 @@
 	struct mxser_struct *info = tty->driver_data;
 	unsigned long flags;
 
-	if ((tty->termios->c_cflag != old_termios->c_cflag) ||
-			(RELEVANT_IFLAG(tty->termios->c_iflag) != RELEVANT_IFLAG(old_termios->c_iflag))) {
+	mxser_change_speed(info, old_termios);
 
-		mxser_change_speed(info, old_termios);
-
-		if ((old_termios->c_cflag & CRTSCTS) &&
-				!(tty->termios->c_cflag & CRTSCTS)) {
-			tty->hw_stopped = 0;
-			mxser_start(tty);
-		}
+	if ((old_termios->c_cflag & CRTSCTS) &&
+			!(tty->termios->c_cflag & CRTSCTS)) {
+		tty->hw_stopped = 0;
+		mxser_start(tty);
 	}
 
 /* Handle sw stopped */