[PATCH] Remove #if 0 and other long dead code from rio_tty
Alan Cox [Mon, 16 Jan 2006 17:11:50 +0000 (17:11 +0000)]
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/char/rio/riotty.c

index 5894a25..6379816 100644 (file)
@@ -89,16 +89,9 @@ static char *_riotty_c_sccs_ = "@(#)riotty.c 1.3";
 #include "list.h"
 #include "sam.h"
 
-#if 0
-static void ttyseth_pv(struct Port *, struct ttystatics *, struct termios *sg, int);
-#endif
-
 static void RIOClearUp(struct Port *PortP);
 int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len, int arg);
 
-#if 0
-static int RIOCookMode(struct ttystatics *);
-#endif
 
 extern int conv_vb[];          /* now defined in ttymgr.c */
 extern int conv_bv[];          /* now defined in ttymgr.c */
@@ -226,33 +219,6 @@ int riotopen(struct tty_struct *tty, struct file *filp)
         ** until the RTA is present then we must spin here waiting for
         ** the RTA to boot.
         */
-#if 0
-       if (!(PortP->HostP->Mapping[PortP->RupNum].Flags & RTA_BOOTED)) {
-               if (PortP->WaitUntilBooted) {
-                       rio_dprintk(RIO_DEBUG_TTY, "Waiting for RTA to boot\n");
-                       do {
-                               if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) {
-                                       rio_dprintk(RIO_DEBUG_TTY, "RTA EINTR in delay \n");
-                                       func_exit();
-                                       return -EINTR;
-                               }
-                               if (repeat_this-- <= 0) {
-                                       rio_dprintk(RIO_DEBUG_TTY, "Waiting for RTA to boot timeout\n");
-                                       RIOPreemptiveCmd(p, PortP, FCLOSE);
-                                       pseterr(EINTR);
-                                       func_exit();
-                                       return -EIO;
-                               }
-                       } while (!(PortP->HostP->Mapping[PortP->RupNum].Flags & RTA_BOOTED));
-                       rio_dprintk(RIO_DEBUG_TTY, "RTA has been booted\n");
-               } else {
-                       rio_dprintk(RIO_DEBUG_TTY, "RTA never booted\n");
-                       pseterr(ENXIO);
-                       func_exit();
-                       return 0;
-               }
-       }
-#else
        /* I find the above code a bit hairy. I find the below code
           easier to read and shorter. Now, if it works too that would
           be great... -- REW 
@@ -281,21 +247,10 @@ int riotopen(struct tty_struct *tty, struct file *filp)
                }
        }
        rio_dprintk(RIO_DEBUG_TTY, "RTA has been booted\n");
-#endif
-#if 0
-       tp = PortP->TtyP;       /* get tty struct */
-#endif
        rio_spin_lock_irqsave(&PortP->portSem, flags);
        if (p->RIOHalted) {
                goto bombout;
        }
-#if 0
-       retval = gs_init_port(&PortP->gs);
-       if (retval) {
-               func_exit();
-               return retval;
-       }
-#endif
 
        /*
         ** If the port is in the final throws of being closed,
@@ -363,11 +318,6 @@ int riotopen(struct tty_struct *tty, struct file *filp)
                   command piggybacks the parameters immediately.
                   -- REW */
                RIOParam(PortP, OPEN, Modem, OK_TO_SLEEP);      /* Open the port */
-#if 0
-               /* This delay of 1 second was annoying. I removed it. -- REW */
-               RIODelay(PortP, HUNDRED_MS * 10);
-               RIOParam(PortP, CONFIG, Modem, OK_TO_SLEEP);    /* Config the port */
-#endif
                rio_spin_lock_irqsave(&PortP->portSem, flags);
 
                /*
@@ -439,9 +389,6 @@ int riotopen(struct tty_struct *tty, struct file *filp)
                                PortP->State |= RIO_WOPEN;
                                rio_spin_unlock_irqrestore(&PortP->portSem, flags);
                                if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL)
-#if 0
-                                       if (sleep((caddr_t) & tp->tm.c_canqo, TTIPRI | PCATCH))
-#endif
                                        {
                                                /*
                                                 ** ACTION: verify that this is a good thing
@@ -505,10 +452,6 @@ int riotopen(struct tty_struct *tty, struct file *filp)
 */
 int riotclose(void *ptr)
 {
-#if 0
-       register uint SysPort = dev;
-       struct ttystatics *tp;  /* pointer to our ttystruct */
-#endif
        struct Port *PortP = ptr;       /* pointer to the port structure */
        int deleted = 0;
        int try = -1;           /* Disable the timeouts by setting them to -1 */
@@ -534,13 +477,6 @@ int riotclose(void *ptr)
                end_time = jiffies + MAX_SCHEDULE_TIMEOUT;
 
        Modem = rio_ismodem(tty);
-#if 0
-       /* What F.CKING cache? Even then, a higly idle multiprocessor,
-          system with large caches this won't work . Better find out when 
-          this doesn't work asap, and fix the cause.  -- REW */
-
-       RIODelay(PortP, HUNDRED_MS * 10);       /* To flush the cache */
-#endif
        rio_spin_lock_irqsave(&PortP->portSem, flags);
 
        /*
@@ -703,45 +639,6 @@ int riotclose(void *ptr)
 }
 
 
-/*
-** decide if we need to use the line discipline.
-** This routine can return one of three values:
-** COOK_RAW if no processing has to be done by the line discipline or the card
-** COOK_WELL if the line discipline must be used to do the processing
-** COOK_MEDIUM if the card can do all the processing necessary.
-*/
-#if 0
-static int RIOCookMode(struct ttystatics *tp)
-{
-       /*
-        ** We can't handle tm.c_mstate != 0 on SCO
-        ** We can't handle mapping
-        ** We can't handle non-ttwrite line disc.
-        ** We can't handle lflag XCASE
-        ** We can handle oflag OPOST & (OCRNL, ONLCR, TAB3)
-        */
-
-#ifdef CHECK
-       CheckTtyP(tp);
-#endif
-       if (!(tp->tm.c_oflag & OPOST))  /* No post processing */
-               return COOK_RAW;        /* Raw mode o/p */
-
-       if (tp->tm.c_lflag & XCASE)
-               return COOK_WELL;       /* Use line disc */
-
-       if (tp->tm.c_oflag & ~(OPOST | ONLCR | OCRNL | TAB3))
-               return COOK_WELL;       /* Use line disc for strange modes */
-
-       if (tp->tm.c_oflag == OPOST)    /* If only OPOST is set, do RAW */
-               return COOK_RAW;
-
-       /*
-        ** So, we need to output process!
-        */
-       return COOK_MEDIUM;
-}
-#endif
 
 static void RIOClearUp(PortP)
 struct Port *PortP;
@@ -776,11 +673,6 @@ int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len
        unsigned long flags;
 
        rio_dprintk(RIO_DEBUG_TTY, "entering shortcommand.\n");
-#ifdef CHECK
-       CheckPortP(PortP);
-       if (len < 1 || len > 2)
-               cprintf(("STUPID LENGTH %d\n", len));
-#endif
 
        if (PortP->State & RIO_DELETED) {
                rio_dprintk(RIO_DEBUG_TTY, "Short command to deleted RTA ignored\n");
@@ -852,478 +744,3 @@ int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len
 }
 
 
-#if 0
-/*
-** This is an ioctl interface. This is the twentieth century. You know what
-** its all about.
-*/
-int riotioctl(struct rio_info *p, struct tty_struct *tty, int cmd, caddr_t arg)
-{
-       register struct Port *PortP;
-       register struct ttystatics *tp;
-       int current;
-       int ParamSemIncremented = 0;
-       int old_oflag, old_cflag, old_iflag, changed, oldcook;
-       int i;
-       unsigned char sio_regs[5];      /* Here be magic */
-       short vpix_cflag;
-       short divisor;
-       int baud;
-       uint SysPort = rio_minor(tty);
-       int Modem = rio_ismodem(tty);
-       int ioctl_processed;
-
-       rio_dprintk(RIO_DEBUG_TTY, "port ioctl SysPort %d command 0x%x argument 0x%x %s\n", SysPort, cmd, arg, Modem ? "Modem" : "tty");
-
-       if (SysPort >= RIO_PORTS) {
-               rio_dprintk(RIO_DEBUG_TTY, "Bad port number %d\n", SysPort);
-               return -ENXIO;
-       }
-
-       PortP = p->RIOPortp[SysPort];
-       tp = PortP->TtyP;
-
-       rio_spin_lock_irqsave(&PortP->portSem, flags);
-
-#ifdef STATS
-       PortP->Stat.IoctlCnt++;
-#endif
-
-       if (PortP->State & RIO_DELETED) {
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return -EIO;
-       }
-
-
-       if (p->RIOHalted) {
-               RIOClearUp(PortP);
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return -EIO;
-       }
-
-       /*
-        ** Count ioctls for port statistics reporting
-        */
-       if (PortP->statsGather)
-               PortP->ioctls++;
-
-       /*
-        ** Specialix RIO Ioctl calls
-        */
-       switch (cmd) {
-
-       case TCRIOTRIAD:
-               if (arg)
-                       PortP->State |= RIO_TRIAD_MODE;
-               else
-                       PortP->State &= ~RIO_TRIAD_MODE;
-               /*
-                ** Normally, when istrip is set on a port, a config is
-                ** sent to the RTA instructing the CD1400 to do the
-                ** stripping. In TRIAD mode, the interrupt receive routine
-                ** must do the stripping instead, since it has to detect
-                ** an 8 bit function key sequence. If istrip is set with
-                ** TRIAD mode on(off), and 8 bit data is being read by
-                ** the port, the user then turns TRIAD mode off(on), the RTA
-                ** must be reconfigured (not) to do the stripping.
-                ** Hence we call RIOParam here.
-                */
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               RIOParam(PortP, CONFIG, Modem, OK_TO_SLEEP);
-               return 0;
-
-       case TCRIOTSTATE:
-               rio_dprintk(RIO_DEBUG_TTY, "tbusy/tstop monitoring %sabled\n", arg ? "en" : "dis");
-               /* MonitorTstate = 0 ; */
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               RIOParam(PortP, CONFIG, Modem, OK_TO_SLEEP);
-               return 0;
-
-       case TCRIOSTATE:        /* current state of Modem input pins */
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOSTATE\n");
-               if (RIOPreemptiveCmd(p, PortP, MGET) == RIO_FAIL)
-                       rio_dprintk(RIO_DEBUG_TTY, "TCRIOSTATE command failed\n");
-               PortP->State |= RIO_BUSY;
-               current = PortP->ModemState;
-               if (copyout((caddr_t) & current, (int) arg, sizeof(current)) == COPYFAIL) {
-                       rio_dprintk(RIO_DEBUG_TTY, "Copyout failed\n");
-                       rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-                       pseterr(EFAULT);
-               }
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return 0;
-
-       case TCRIOMBIS: /* Set modem lines */
-       case TCRIOMBIC: /* Clear modem lines */
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOMBIS/TCRIOMBIC\n");
-               if (cmd == TCRIOMBIS) {
-                       uint state;
-                       state = (uint) arg;
-                       PortP->ModemState |= (ushort) state;
-                       PortP->ModemLines = (ulong) arg;
-                       if (RIOPreemptiveCmd(p, PortP, MBIS) == RIO_FAIL)
-                               rio_dprintk(RIO_DEBUG_TTY, "TCRIOMBIS command failed\n");
-               } else {
-                       uint state;
-
-                       state = (uint) arg;
-                       PortP->ModemState &= ~(ushort) state;
-                       PortP->ModemLines = (ulong) arg;
-                       if (RIOPreemptiveCmd(p, PortP, MBIC) == RIO_FAIL)
-                               rio_dprintk(RIO_DEBUG_TTY, "TCRIOMBIC command failed\n");
-               }
-               PortP->State |= RIO_BUSY;
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return 0;
-
-       case TCRIOXPON: /* set Xprint ON string */
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOXPON\n");
-               if (copyin((int) arg, (caddr_t) PortP->Xprint.XpOn, MAX_XP_CTRL_LEN) == COPYFAIL) {
-                       rio_dprintk(RIO_DEBUG_TTY, "Copyin failed\n");
-                       PortP->Xprint.XpOn[0] = '\0';
-                       rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-                       pseterr(EFAULT);
-               }
-               PortP->Xprint.XpOn[MAX_XP_CTRL_LEN - 1] = '\0';
-               PortP->Xprint.XpLen = strlen(PortP->Xprint.XpOn) + strlen(PortP->Xprint.XpOff);
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return 0;
-
-       case TCRIOXPOFF:        /* set Xprint OFF string */
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOXPOFF\n");
-               if (copyin((int) arg, (caddr_t) PortP->Xprint.XpOff, MAX_XP_CTRL_LEN) == COPYFAIL) {
-                       rio_dprintk(RIO_DEBUG_TTY, "Copyin failed\n");
-                       PortP->Xprint.XpOff[0] = '\0';
-                       rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-                       pseterr(EFAULT);
-               }
-               PortP->Xprint.XpOff[MAX_XP_CTRL_LEN - 1] = '\0';
-               PortP->Xprint.XpLen = strlen(PortP->Xprint.XpOn) + strlen(PortP->Xprint.XpOff);
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return 0;
-
-       case TCRIOXPCPS:        /* set Xprint CPS string */
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOXPCPS\n");
-               if ((uint) arg > p->RIOConf.MaxXpCps || (uint) arg < p->RIOConf.MinXpCps) {
-                       rio_dprintk(RIO_DEBUG_TTY, "%d CPS out of range\n", arg);
-                       rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-                       pseterr(EINVAL);
-                       return 0;
-               }
-               PortP->Xprint.XpCps = (uint) arg;
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return 0;
-
-       case TCRIOXPRINT:
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOXPRINT\n");
-               if (copyout((caddr_t) & PortP->Xprint, (int) arg, sizeof(struct Xprint)) == COPYFAIL) {
-                       rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-                       pseterr(EFAULT);
-               }
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return 0;
-
-       case TCRIOIXANYON:
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOIXANYON\n");
-               PortP->Config |= RIO_IXANY;
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return 0;
-
-       case TCRIOIXANYOFF:
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOIXANYOFF\n");
-               PortP->Config &= ~RIO_IXANY;
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return 0;
-
-       case TCRIOIXONON:
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOIXONON\n");
-               PortP->Config |= RIO_IXON;
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return 0;
-
-       case TCRIOIXONOFF:
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOIXONOFF\n");
-               PortP->Config &= ~RIO_IXON;
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               return 0;
-
-/*
-** 15.10.1998 ARG - ESIL 0761 part fix
-** Added support for CTS and RTS flow control ioctls :
-*/
-       case TCRIOCTSFLOWEN:
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOCTSFLOWEN\n");
-               PortP->Config |= RIO_CTSFLOW;
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               RIOParam(PortP, CONFIG, Modem, OK_TO_SLEEP);
-               return 0;
-
-       case TCRIOCTSFLOWDIS:
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIOCTSFLOWDIS\n");
-               PortP->Config &= ~RIO_CTSFLOW;
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               RIOParam(PortP, CONFIG, Modem, OK_TO_SLEEP);
-               return 0;
-
-       case TCRIORTSFLOWEN:
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIORTSFLOWEN\n");
-               PortP->Config |= RIO_RTSFLOW;
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               RIOParam(PortP, CONFIG, Modem, OK_TO_SLEEP);
-               return 0;
-
-       case TCRIORTSFLOWDIS:
-               rio_dprintk(RIO_DEBUG_TTY, "TCRIORTSFLOWDIS\n");
-               PortP->Config &= ~RIO_RTSFLOW;
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               RIOParam(PortP, CONFIG, Modem, OK_TO_SLEEP);
-               return 0;
-
-/* end ESIL 0761 part fix */
-
-       }
-
-
-       /* Lynx IOCTLS */
-       switch (cmd) {
-       case TIOCSETP:
-       case TIOCSETN:
-       case OTIOCSETP:
-       case OTIOCSETN:
-               ioctl_processed++;
-               ttyseth(PortP, tp, (struct old_sgttyb *) arg);
-               break;
-       case TCSETA:
-       case TCSETAW:
-       case TCSETAF:
-               ioctl_processed++;
-               rio_dprintk(RIO_DEBUG_TTY, "NON POSIX ioctl\n");
-               ttyseth_pv(PortP, tp, (struct termios *) arg, 0);
-               break;
-       case TCSETAP:           /* posix tcsetattr() */
-       case TCSETAWP:          /* posix tcsetattr() */
-       case TCSETAFP:          /* posix tcsetattr() */
-               rio_dprintk(RIO_DEBUG_TTY, "NON POSIX SYSV ioctl\n");
-               ttyseth_pv(PortP, tp, (struct termios *) arg, 1);
-               ioctl_processed++;
-               break;
-       }
-
-       /*
-        ** If its any of the commands that require the port to be in the
-        ** non-busy state wait until all output has drained
-        */
-       if (!ioctl_processed)
-               switch (cmd) {
-               case TCSETAW:
-               case TCSETAF:
-               case TCSETA:
-               case TCSBRK:
-#define OLD_POSIX ('x' << 8)
-#define OLD_POSIX_SETA (OLD_POSIX | 2)
-#define OLD_POSIX_SETAW (OLD_POSIX | 3)
-#define OLD_POSIX_SETAF (OLD_POSIX | 4)
-#define NEW_POSIX (('i' << 24) | ('X' << 16))
-#define NEW_POSIX_SETA (NEW_POSIX | 2)
-#define NEW_POSIX_SETAW (NEW_POSIX | 3)
-#define NEW_POSIX_SETAF (NEW_POSIX | 4)
-               case OLD_POSIX_SETA:
-               case OLD_POSIX_SETAW:
-               case OLD_POSIX_SETAF:
-               case NEW_POSIX_SETA:
-               case NEW_POSIX_SETAW:
-               case NEW_POSIX_SETAF:
-#ifdef TIOCSETP
-               case TIOCSETP:
-#endif
-               case TIOCSETD:
-               case TIOCSETN:
-                       rio_dprintk(RIO_DEBUG_TTY, "wait for non-BUSY, semaphore set\n");
-                       /*
-                        ** Wait for drain here, at least as far as the double buffer
-                        ** being empty.
-                        */
-                       /* XXX Does the above comment mean that this has
-                          still to be implemented? -- REW */
-                       /* XXX Is the locking OK together with locking
-                          in txenable? (Deadlock?) -- REW */
-
-                       RIOTxEnable((char *) PortP);
-                       break;
-               default:
-                       break;
-               }
-
-       old_cflag = tp->tm.c_cflag;
-       old_iflag = tp->tm.c_iflag;
-       old_oflag = tp->tm.c_oflag;
-       oldcook = PortP->CookMode;
-
-       if (p->RIOHalted) {
-               RIOClearUp(PortP);
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               pseterr(EIO);
-               return 0;
-       }
-
-       PortP->FlushCmdBodge = 0;
-
-       /*
-        ** If the port is locked, and it is reconfigured, we want
-        ** to restore the state of the tty structure so the change is NOT
-        ** made.
-        */
-       if (PortP->Lock) {
-               tp->tm.c_iflag = PortP->StoredTty.iflag;
-               tp->tm.c_oflag = PortP->StoredTty.oflag;
-               tp->tm.c_cflag = PortP->StoredTty.cflag;
-               tp->tm.c_lflag = PortP->StoredTty.lflag;
-               tp->tm.c_line = PortP->StoredTty.line;
-               for (i = 0; i < NCC + 1; i++)
-                       tp->tm.c_cc[i] = PortP->StoredTty.cc[i];
-       } else {
-               /*
-                ** If the port is set to store the parameters, and it is
-                ** reconfigured, we want to save the current tty struct so it
-                ** may be restored on the next open.
-                */
-               if (PortP->Store) {
-                       PortP->StoredTty.iflag = tp->tm.c_iflag;
-                       PortP->StoredTty.oflag = tp->tm.c_oflag;
-                       PortP->StoredTty.cflag = tp->tm.c_cflag;
-                       PortP->StoredTty.lflag = tp->tm.c_lflag;
-                       PortP->StoredTty.line = tp->tm.c_line;
-                       for (i = 0; i < NCC + 1; i++)
-                               PortP->StoredTty.cc[i] = tp->tm.c_cc[i];
-               }
-       }
-
-       changed = (tp->tm.c_cflag != old_cflag) || (tp->tm.c_iflag != old_iflag) || (tp->tm.c_oflag != old_oflag);
-
-       PortP->CookMode = RIOCookMode(tp);      /* Set new cooking mode */
-
-       rio_dprintk(RIO_DEBUG_TTY, "RIOIoctl changed %d newcook %d oldcook %d\n", changed, PortP->CookMode, oldcook);
-
-#ifdef MODEM_SUPPORT
-       /*
-        ** kludge to force CARR_ON if CLOCAL set
-        */
-       if ((tp->tm.c_cflag & CLOCAL) || (PortP->ModemState & MSVR1_CD)) {
-               tp->tm.c_state |= CARR_ON;
-               wakeup((caddr_t) & tp->tm.c_canq);
-       }
-#endif
-
-       if (p->RIOHalted) {
-               RIOClearUp(PortP);
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               pseterr(EIO);
-               return 0;
-       }
-       /*
-        ** Re-configure if modes or cooking have changed
-        */
-       if (changed || oldcook != PortP->CookMode || (ioctl_processed)) {
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               rio_dprintk(RIO_DEBUG_TTY, "Ioctl changing the PORT settings\n");
-               RIOParam(PortP, CONFIG, Modem, OK_TO_SLEEP);
-               rio_spin_lock_irqsave(&PortP->portSem, flags);
-       }
-
-       if (p->RIOHalted) {
-               rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-               RIOClearUp(PortP);
-               pseterr(EIO);
-               return 0;
-       }
-       rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-       return 0;
-}
-
-/*
-       ttyseth -- set hardware dependent tty settings
-*/
-void ttyseth(PortP, s, sg)
-struct Port *PortP;
-struct ttystatics *s;
-struct old_sgttyb *sg;
-{
-       struct old_sgttyb *tsg;
-       struct termios *tp = &s->tm;
-
-       tsg = &s->sg;
-
-       if (sg->sg_flags & (EVENP | ODDP)) {
-               tp->c_cflag &= PARENB;
-               if (sg->sg_flags & EVENP) {
-                       if (sg->sg_flags & ODDP) {
-                               tp->c_cflag &= V_CS7;
-                               tp->c_cflag &= ~PARENB;
-                       } else {
-                               tp->c_cflag &= V_CS7;
-                               tp->c_cflag &= PARENB;
-                               tp->c_cflag &= PARODD;
-                       }
-               } else if (sg->sg_flags & ODDP) {
-                       tp->c_cflag &= V_CS7;
-                       tp->c_cflag &= PARENB;
-                       tp->c_cflag &= PARODD;
-               } else {
-                       tp->c_cflag &= V_CS7;
-                       tp->c_cflag &= PARENB;
-               }
-       }
-/*
- * Use ispeed as the desired speed.  Most implementations don't handle 
- * separate input and output speeds very well. If the RIO handles this, 
- * I will have to use separate sets of flags to store them in the 
- * Port structure.
- */
-       if (!sg->sg_ospeed)
-               sg->sg_ospeed = sg->sg_ispeed;
-       else
-               sg->sg_ispeed = sg->sg_ospeed;
-       if (sg->sg_ispeed > V_EXTB)
-               sg->sg_ispeed = V_EXTB;
-       if (sg->sg_ispeed < V_B0)
-               sg->sg_ispeed = V_B0;
-       *tsg = *sg;
-       tp->c_cflag = (tp->c_cflag & ~V_CBAUD) | conv_bv[(int) sg->sg_ispeed];
-}
-
-/*
-       ttyseth_pv -- set hardware dependent tty settings using either the
-                       POSIX termios structure or the System V termio structure.
-                               sysv = 0 => (POSIX):     struct termios *sg
-                               sysv != 0 => (System V): struct termio *sg
-*/
-static void ttyseth_pv(PortP, s, sg, sysv)
-struct Port *PortP;
-struct ttystatics *s;
-struct termios *sg;
-int sysv;
-{
-       int speed;
-       unsigned char csize;
-       unsigned char cread;
-       unsigned int lcr_flags;
-       int ps;
-
-       if (sysv) {
-               /* sg points to a System V termio structure */
-               csize = ((struct termio *) sg)->c_cflag & CSIZE;
-               cread = ((struct termio *) sg)->c_cflag & CREAD;
-               speed = conv_vb[((struct termio *) sg)->c_cflag & V_CBAUD];
-       } else {
-               /* sg points to a POSIX termios structure */
-               csize = sg->c_cflag & CSIZE;
-               cread = sg->c_cflag & CREAD;
-               speed = conv_vb[sg->c_cflag & V_CBAUD];
-       }
-       if (s->sg.sg_ispeed != speed || s->sg.sg_ospeed != speed) {
-               s->sg.sg_ispeed = speed;
-               s->sg.sg_ospeed = speed;
-               s->tm.c_cflag = (s->tm.c_cflag & ~V_CBAUD) | conv_bv[(int) s->sg.sg_ispeed];
-       }
-}
-#endif