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>

1 files changed, 5 insertions, 11 deletions

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 5953a45d7e96..2aee3fef0416 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 @@ static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termi
         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 */