commit de1764af27520f6dfdac0ddf2209d78ddb9690d7
author Alan Cox <alan@lxorguk.ukuu.org.uk> Sun Jul 15 23:41:48 2007 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Mon Jul 16 09:05:51 2007 -0700
tree 124f3eb29239bb9eef109cd2d2fab1c8df829676
parent 35426128adaacf8cdabc2482598252d488b7ccb9

synclink: remove bogus 'no change' termios optimisation from synclink drivers

Again this check is wrong now, and un-needed

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/char/synclink.c

diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index f02a079..f53e51d 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -160,8 +160,6 @@
 
 #define IO_PIN_SHUTDOWN_LIMIT 100
 
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
 struct	_input_signal_events {
 	int	ri_up;	
 	int	ri_down;
@@ -3064,12 +3062,6 @@
 		printk("%s(%d):mgsl_set_termios %s\n", __FILE__,__LINE__,
 			tty->driver->name );
 	
-	/* just return if nothing has changed */
-	if ((tty->termios->c_cflag == old_termios->c_cflag)
-	    && (RELEVANT_IFLAG(tty->termios->c_iflag) 
-		== RELEVANT_IFLAG(old_termios->c_iflag)))
-	  return;
-
 	mgsl_change_params(info);
 
 	/* Handle transition to B0 status */

drivers/char/synclink_gt.c

diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 02b49bc..428b514 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -144,8 +144,6 @@
 /*
  * tty support and callbacks
  */
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
 static struct tty_driver *serial_driver;
 
 static int  open(struct tty_struct *tty, struct file * filp);
@@ -823,12 +821,6 @@
 
 	DBGINFO(("%s set_termios\n", tty->driver->name));
 
-	/* just return if nothing has changed */
-	if ((tty->termios->c_cflag == old_termios->c_cflag)
-	    && (RELEVANT_IFLAG(tty->termios->c_iflag)
-		== RELEVANT_IFLAG(old_termios->c_iflag)))
-		return;
-
 	change_params(info);
 
 	/* Handle transition to B0 status */

drivers/char/synclinkmp.c

diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index ef93d05..a65407b 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -135,8 +135,6 @@
 
 #define IO_PIN_SHUTDOWN_LIMIT 100
 
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
 struct	_input_signal_events {
 	int	ri_up;
 	int	ri_down;
@@ -927,12 +925,6 @@
 		printk("%s(%d):%s set_termios()\n", __FILE__,__LINE__,
 			tty->driver->name );
 
-	/* just return if nothing has changed */
-	if ((tty->termios->c_cflag == old_termios->c_cflag)
-	    && (RELEVANT_IFLAG(tty->termios->c_iflag)
-		== RELEVANT_IFLAG(old_termios->c_iflag)))
-	  return;
-
 	change_params(info);
 
 	/* Handle transition to B0 status */