diff options
| author | Alan Cox <alan@redhat.com> | 2008-07-22 11:17:43 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-22 13:03:27 -0700 |
| commit | 8ca8b9005a742edf8d82749d4ad4e616405fbdc4 (patch) | |
| tree | b05d1794db1c0853af00741b17bc36921e136e52 /drivers | |
| parent | 30252ec958897d61925a4baf79cd9411a6be0486 (diff) | |
mxser: remove dead code
Old style ioctl break code can go
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/mxser.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 6307e301bd2..1fb25571bf8 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -1464,27 +1464,6 @@ static int mxser_get_lsr_info(struct mxser_port *info, return put_user(result, value); } -/* - * This routine sends a break character out the serial port. - */ -static void mxser_send_break(struct mxser_port *info, int duration) -{ - unsigned long flags; - - if (!info->ioaddr) - return; - set_current_state(TASK_INTERRUPTIBLE); - spin_lock_irqsave(&info->slock, flags); - outb(inb(info->ioaddr + UART_LCR) | UART_LCR_SBC, - info->ioaddr + UART_LCR); - spin_unlock_irqrestore(&info->slock, flags); - schedule_timeout(duration); - spin_lock_irqsave(&info->slock, flags); - outb(inb(info->ioaddr + UART_LCR) & ~UART_LCR_SBC, - info->ioaddr + UART_LCR); - spin_unlock_irqrestore(&info->slock, flags); -} - static int mxser_tiocmget(struct tty_struct *tty, struct file *file) { struct mxser_port *info = tty->driver_data; @@ -1872,21 +1851,6 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, return -EIO; switch (cmd) { - case TCSBRK: /* SVID version: non-zero arg --> no break */ - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - if (!arg) - mxser_send_break(info, HZ / 4); /* 1/4 second */ - return 0; - case TCSBRKP: /* support for POSIX tcsendbreak() */ - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - mxser_send_break(info, arg ? arg * (HZ / 10) : HZ / 4); - return 0; case TIOCGSERIAL: lock_kernel(); retval = mxser_get_serial_info(info, argp); |