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[PATCH] USB ftdi_sio: remove redundant TIOCMBIS and TIOCMBIC code

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ftdi_sio: Remove redundant handling of TIOCMBIS and TIOCMBIC ioctls
as they are handled in the tty layer and never reach this driver.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ian Abbott 2005-06-20 17:10:19 +01:00 committed by Greg Kroah-Hartman
parent 8f977e4201
commit 7e33ae6781
1 changed files with 0 additions and 47 deletions
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47
drivers/usb/serial/ftdi_sio.c
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@ -1985,53 +1985,6 @@ static int ftdi_ioctl (struct usb_serial_port *port, struct file * file, unsigne
/* Based on code from acm.c and others */
switch (cmd) {
case TIOCMBIS: /* turns on (Sets) the lines as specified by the mask */
dbg("%s TIOCMBIS", __FUNCTION__);
if (get_user(mask, (unsigned long __user *) arg))
return -EFAULT;
if (mask & TIOCM_DTR){
if ((ret = set_dtr(port, HIGH)) < 0) {
err("Urb to set DTR failed");
return(ret);
}
}
if (mask & TIOCM_RTS) {
if ((ret = set_rts(port, HIGH)) < 0){
err("Urb to set RTS failed");
return(ret);
}
}
return(0);
break;
case TIOCMBIC: /* turns off (Clears) the lines as specified by the mask */
dbg("%s TIOCMBIC", __FUNCTION__);
if (get_user(mask, (unsigned long __user *) arg))
return -EFAULT;
if (mask & TIOCM_DTR){
if ((ret = set_dtr(port, LOW)) < 0){
err("Urb to unset DTR failed");
return(ret);
}
}
if (mask & TIOCM_RTS) {
if ((ret = set_rts(port, LOW)) < 0){
err("Urb to unset RTS failed");
return(ret);
}
}
return(0);
break;
/*
* I had originally implemented TCSET{A,S}{,F,W} and
* TCGET{A,S} here separately, however when testing I
* found that the higher layers actually do the termios
* conversions themselves and pass the call onto
* ftdi_sio_set_termios.
*
*/
case TIOCGSERIAL: /* gets serial port data */
return get_serial_info(port, (struct serial_struct __user *) arg);