68360serial: remove broken optimisation
Alan Cox [Mon, 16 Jul 2007 06:41:49 +0000 (23:41 -0700)]
Remove the broken 'no termios change' optimisation for this driver.

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/serial/68360serial.c

index 68817a7..2aa6bfe 100644 (file)
@@ -934,8 +934,6 @@ static void change_speed(ser_info_t *info)
        /*
         * Set up parity check flag
         */
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
        info->read_status_mask = (BD_SC_EMPTY | BD_SC_OV);
        if (I_INPCK(info->tty))
                info->read_status_mask |= BD_SC_FR | BD_SC_PR;
@@ -1527,11 +1525,6 @@ static void rs_360_set_termios(struct tty_struct *tty, struct ktermios *old_term
 {
        ser_info_t *info = (ser_info_t *)tty->driver_data;
 
-       if (   (tty->termios->c_cflag == old_termios->c_cflag)
-           && (   RELEVANT_IFLAG(tty->termios->c_iflag) 
-               == RELEVANT_IFLAG(old_termios->c_iflag)))
-         return;
-
        change_speed(info);
 
 #ifdef modem_control