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raspberrypi-kernel
提交 a6176eea 编写于 作者: A Alan Cox 提交者： Linus Torvalds
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[PATCH] Remove #if 0 and other long dead code from rio_tty 

Signed-off-by: NAlan Cox <alan@redhat.com>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 925d70d6
隐藏空白更改
内联 并排
Showing with 0 addition and 583 deletion
drivers/char/rio/riotty.c
浏览文件 @ a6176eea
......@@ -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
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