tty: Use termios c_*flag macros

Expressions of the form "tty->termios.c_*flag & FLAG"
are more clearly expressed with the termios flags macros,
I_FLAG(), C_FLAG(), O_FLAG(), and L_FLAG().

Convert treewide.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c
index fb00a06..4b314b6 100644
--- a/drivers/tty/synclinkmp.c
+++ b/drivers/tty/synclinkmp.c
@@ -871,8 +871,7 @@
 	change_params(info);
 
 	/* Handle transition to B0 status */
-	if (old_termios->c_cflag & CBAUD &&
-	    !(tty->termios.c_cflag & CBAUD)) {
+	if ((old_termios->c_cflag & CBAUD) && !C_BAUD(tty)) {
 		info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
 		spin_lock_irqsave(&info->lock,flags);
 	 	set_signals(info);
@@ -880,21 +879,17 @@
 	}
 
 	/* Handle transition away from B0 status */
-	if (!(old_termios->c_cflag & CBAUD) &&
-	    tty->termios.c_cflag & CBAUD) {
+	if (!(old_termios->c_cflag & CBAUD) && C_BAUD(tty)) {
 		info->serial_signals |= SerialSignal_DTR;
- 		if (!(tty->termios.c_cflag & CRTSCTS) ||
- 		    !test_bit(TTY_THROTTLED, &tty->flags)) {
+ 		if (!C_CRTSCTS(tty) || !test_bit(TTY_THROTTLED, &tty->flags))
 			info->serial_signals |= SerialSignal_RTS;
- 		}
 		spin_lock_irqsave(&info->lock,flags);
 	 	set_signals(info);
 		spin_unlock_irqrestore(&info->lock,flags);
 	}
 
 	/* Handle turning off CRTSCTS */
-	if (old_termios->c_cflag & CRTSCTS &&
-	    !(tty->termios.c_cflag & CRTSCTS)) {
+	if (old_termios->c_cflag & CRTSCTS && !C_CRTSCTS(tty)) {
 		tty->hw_stopped = 0;
 		tx_release(tty);
 	}
@@ -1472,7 +1467,7 @@
 	if (I_IXOFF(tty))
 		send_xchar(tty, STOP_CHAR(tty));
 
- 	if (tty->termios.c_cflag & CRTSCTS) {
+ 	if (C_CRTSCTS(tty)) {
 		spin_lock_irqsave(&info->lock,flags);
 		info->serial_signals &= ~SerialSignal_RTS;
 	 	set_signals(info);
@@ -1501,7 +1496,7 @@
 			send_xchar(tty, START_CHAR(tty));
 	}
 
- 	if (tty->termios.c_cflag & CRTSCTS) {
+ 	if (C_CRTSCTS(tty)) {
 		spin_lock_irqsave(&info->lock,flags);
 		info->serial_signals |= SerialSignal_RTS;
 	 	set_signals(info);
@@ -3297,7 +3292,7 @@
 		return 0;
 	}
 
-	if (tty->termios.c_cflag & CLOCAL)
+	if (C_CLOCAL(tty))
 		do_clocal = true;
 
 	/* Wait for carrier detect and the line to become