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/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index e98aef7..37f10c4 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -1413,9 +1413,8 @@
 		xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char,
 				STOP_CHAR(info->port.tty));
 		xoff |= IO_STATE(R_SERIAL0_XOFF, tx_stop, stop);
-		if (tty->termios.c_iflag & IXON ) {
+		if (I_IXON(tty))
 			xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable);
-		}
 
 		*((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
 		local_irq_restore(flags);
@@ -1436,9 +1435,8 @@
 					 info->xmit.tail,SERIAL_XMIT_SIZE)));
 		xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, STOP_CHAR(tty));
 		xoff |= IO_STATE(R_SERIAL0_XOFF, tx_stop, enable);
-		if (tty->termios.c_iflag & IXON ) {
+		if (I_IXON(tty))
 			xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable);
-		}
 
 		*((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
 		if (!info->uses_dma_out &&
@@ -3166,7 +3164,7 @@
 	DFLOW(DEBUG_LOG(info->line,"rs_throttle\n"));
 
 	/* Do RTS before XOFF since XOFF might take some time */
-	if (tty->termios.c_cflag & CRTSCTS) {
+	if (C_CRTSCTS(tty)) {
 		/* Turn off RTS line */
 		e100_rts(info, 0);
 	}
@@ -3185,7 +3183,7 @@
 	DFLOW(DEBUG_LOG(info->line,"rs_unthrottle ldisc\n"));
 	DFLOW(DEBUG_LOG(info->line,"rs_unthrottle flip.count: %i\n", tty->flip.count));
 	/* Do RTS before XOFF since XOFF might take some time */
-	if (tty->termios.c_cflag & CRTSCTS) {
+	if (C_CRTSCTS(tty)) {
 		/* Assert RTS line  */
 		e100_rts(info, 1);
 	}
@@ -3553,8 +3551,7 @@
 	change_speed(info);
 
 	/* Handle turning off CRTSCTS */
-	if ((old_termios->c_cflag & CRTSCTS) &&
-	    !(tty->termios.c_cflag & CRTSCTS))
+	if ((old_termios->c_cflag & CRTSCTS) && !C_CRTSCTS(tty))
 		rs_start(tty);
 
 }
@@ -3765,9 +3762,8 @@
 		return 0;
 	}
 
-	if (tty->termios.c_cflag & CLOCAL) {
-			do_clocal = 1;
-	}
+	if (C_CLOCAL(tty))
+		do_clocal = 1;
 
 	/*
 	 * Block waiting for the carrier detect and the line to become