[PATCH] generic_serial: remove private decoding of baud rate bits

The driver has no business doing this work itself any more and hasn't for some
years.  When the new speed stuff goes in this will break entirely so fix it up
ready.

Also remove a #if 0 around a comment....

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c
index 5e59c0b..4711d9b 100644 (file)
--- a/drivers/char/generic_serial.c
+++ b/drivers/char/generic_serial.c
@@ -746,11 +746,9 @@ void gs_set_termios (struct tty_struct * tty,
                gs_dprintk (GS_DEBUG_TERMIOS, "termios structure (%p):\n", tiosp);
        }
 
-#if 0
        /* This is an optimization that is only allowed for dumb cards */
        /* Smart cards require knowledge of iflags and oflags too: that 
           might change hardware cooking mode.... */
-#endif
        if (old_termios) {
                if(   (tiosp->c_iflag == old_termios->c_iflag)
                   && (tiosp->c_oflag == old_termios->c_oflag)
@@ -774,14 +772,7 @@ void gs_set_termios (struct tty_struct * tty,
                if(!memcmp(tiosp->c_cc, old_termios->c_cc, NCC)) printk("c_cc changed\n");
        }
 
-       baudrate = tiosp->c_cflag & CBAUD;
-       if (baudrate & CBAUDEX) {
-               baudrate &= ~CBAUDEX;
-               if ((baudrate < 1) || (baudrate > 4))
-                       tiosp->c_cflag &= ~CBAUDEX;
-               else
-                       baudrate += 15;
-       }
+       baudrate = tty_get_baud_rate(tty);
 
        baudrate = gs_baudrates[baudrate];
        if ((tiosp->c_cflag & CBAUD) == B38400) {