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-rw-r--r--drivers/char/stallion.c178
1 files changed, 81 insertions, 97 deletions
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index 87bda40be61a..2db2e9fbb5c6 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -639,13 +639,13 @@ static int __init stl_parsebrd(struct stlconf *confp, char **argp)
if ((argp[0] == NULL) || (*argp[0] == 0))
return 0;
- for (sp = argp[0], i = 0; ((*sp != 0) && (i < 25)); sp++, i++)
+ for (sp = argp[0], i = 0; (*sp != 0) && (i < 25); sp++, i++)
*sp = tolower(*sp);
- for (i = 0; i < ARRAY_SIZE(stl_brdstr); i++) {
+ for (i = 0; i < ARRAY_SIZE(stl_brdstr); i++)
if (strcmp(stl_brdstr[i].name, argp[0]) == 0)
break;
- }
+
if (i == ARRAY_SIZE(stl_brdstr)) {
printk("STALLION: unknown board name, %s?\n", argp[0]);
return 0;
@@ -707,7 +707,7 @@ static int stl_open(struct tty_struct *tty, struct file *filp)
if (brdp == NULL)
return -ENODEV;
minordev = MINOR2PORT(minordev);
- for (portnr = -1, panelnr = 0; (panelnr < STL_MAXPANELS); panelnr++) {
+ for (portnr = -1, panelnr = 0; panelnr < STL_MAXPANELS; panelnr++) {
if (brdp->panels[panelnr] == NULL)
break;
if (minordev < brdp->panels[panelnr]->nrports) {
@@ -766,10 +766,10 @@ static int stl_open(struct tty_struct *tty, struct file *filp)
* previous opens still in effect. If we are a normal serial device
* then also we might have to wait for carrier.
*/
- if (!(filp->f_flags & O_NONBLOCK)) {
+ if (!(filp->f_flags & O_NONBLOCK))
if ((rc = stl_waitcarrier(portp, filp)) != 0)
return rc;
- }
+
portp->flags |= ASYNC_NORMAL_ACTIVE;
return 0;
@@ -813,9 +813,8 @@ static int stl_waitcarrier(struct stlport *portp, struct file *filp)
break;
}
if (((portp->flags & ASYNC_CLOSING) == 0) &&
- (doclocal || (portp->sigs & TIOCM_CD))) {
+ (doclocal || (portp->sigs & TIOCM_CD)))
break;
- }
if (signal_pending(current)) {
rc = -ERESTARTSYS;
break;
@@ -1091,7 +1090,7 @@ static int stl_writeroom(struct tty_struct *tty)
head = portp->tx.head;
tail = portp->tx.tail;
- return ((head >= tail) ? (STL_TXBUFSIZE - (head - tail) - 1) : (tail - head - 1));
+ return (head >= tail) ? (STL_TXBUFSIZE - (head - tail) - 1) : (tail - head - 1);
}
/*****************************************************************************/
@@ -1261,10 +1260,9 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd
return -ENODEV;
if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
- (cmd != COM_GETPORTSTATS) && (cmd != COM_CLRPORTSTATS)) {
+ (cmd != COM_GETPORTSTATS) && (cmd != COM_CLRPORTSTATS))
if (tty->flags & (1 << TTY_IO_ERROR))
return -EIO;
- }
rc = 0;
@@ -1538,7 +1536,7 @@ static int stl_portinfo(struct stlport *portp, int portnr, char *pos)
*sp = ' ';
sp += cnt;
- for (cnt = (sp - pos); (cnt < (MAXLINE - 1)); cnt++)
+ for (cnt = sp - pos; cnt < (MAXLINE - 1); cnt++)
*sp++ = ' ';
if (cnt >= MAXLINE)
pos[(MAXLINE - 2)] = '+';
@@ -1582,7 +1580,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof
* We scan through for each board, panel and port. The offset is
* calculated on the fly, and irrelevant ports are skipped.
*/
- for (brdnr = 0; (brdnr < stl_nrbrds); brdnr++) {
+ for (brdnr = 0; brdnr < stl_nrbrds; brdnr++) {
brdp = stl_brds[brdnr];
if (brdp == NULL)
continue;
@@ -1596,7 +1594,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof
}
totalport = brdnr * STL_MAXPORTS;
- for (panelnr = 0; (panelnr < brdp->nrpanels); panelnr++) {
+ for (panelnr = 0; panelnr < brdp->nrpanels; panelnr++) {
panelp = brdp->panels[panelnr];
if (panelp == NULL)
continue;
@@ -1608,7 +1606,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof
continue;
}
- for (portnr = 0; (portnr < panelp->nrports); portnr++,
+ for (portnr = 0; portnr < panelp->nrports; portnr++,
totalport++) {
portp = panelp->ports[portnr];
if (portp == NULL)
@@ -1626,7 +1624,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof
stl_readdone:
*start = page;
- return (pos - page);
+ return pos - page;
}
/*****************************************************************************/
@@ -1685,7 +1683,7 @@ static int stl_echatintr(struct stlbrd *brdp)
while (inb(brdp->iostatus) & ECH_INTRPEND) {
handled = 1;
- for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) {
+ for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) {
ioaddr = brdp->bnkstataddr[bnknr];
if (inb(ioaddr) & ECH_PNLINTRPEND) {
panelp = brdp->bnk2panel[bnknr];
@@ -1714,7 +1712,7 @@ static int stl_echmcaintr(struct stlbrd *brdp)
while (inb(brdp->iostatus) & ECH_INTRPEND) {
handled = 1;
- for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) {
+ for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) {
ioaddr = brdp->bnkstataddr[bnknr];
if (inb(ioaddr) & ECH_PNLINTRPEND) {
panelp = brdp->bnk2panel[bnknr];
@@ -1740,7 +1738,7 @@ static int stl_echpciintr(struct stlbrd *brdp)
while (1) {
recheck = 0;
- for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) {
+ for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) {
outb(brdp->bnkpageaddr[bnknr], brdp->ioctrl);
ioaddr = brdp->bnkstataddr[bnknr];
if (inb(ioaddr) & ECH_PNLINTRPEND) {
@@ -1771,7 +1769,7 @@ static int stl_echpci64intr(struct stlbrd *brdp)
while (inb(brdp->ioctrl) & 0x1) {
handled = 1;
- for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) {
+ for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) {
ioaddr = brdp->bnkstataddr[bnknr];
if (inb(ioaddr) & ECH_PNLINTRPEND) {
panelp = brdp->bnk2panel[bnknr];
@@ -1804,19 +1802,18 @@ static void stl_offintr(struct work_struct *work)
return;
lock_kernel();
- if (test_bit(ASYI_TXLOW, &portp->istate)) {
+ if (test_bit(ASYI_TXLOW, &portp->istate))
tty_wakeup(tty);
- }
+
if (test_bit(ASYI_DCDCHANGE, &portp->istate)) {
clear_bit(ASYI_DCDCHANGE, &portp->istate);
oldsigs = portp->sigs;
portp->sigs = stl_getsignals(portp);
if ((portp->sigs & TIOCM_CD) && ((oldsigs & TIOCM_CD) == 0))
wake_up_interruptible(&portp->open_wait);
- if ((oldsigs & TIOCM_CD) && ((portp->sigs & TIOCM_CD) == 0)) {
+ if ((oldsigs & TIOCM_CD) && ((portp->sigs & TIOCM_CD) == 0))
if (portp->flags & ASYNC_CHECK_CD)
tty_hangup(tty); /* FIXME: module removal race here - AKPM */
- }
}
unlock_kernel();
}
@@ -1840,7 +1837,7 @@ static int __devinit stl_initports(struct stlbrd *brdp, struct stlpanel *panelp)
* All UART's are initialized (if found!). Now go through and setup
* each ports data structures.
*/
- for (i = 0; (i < panelp->nrports); i++) {
+ for (i = 0; i < panelp->nrports; i++) {
portp = kzalloc(sizeof(struct stlport), GFP_KERNEL);
if (!portp) {
printk("STALLION: failed to allocate memory "
@@ -1867,7 +1864,7 @@ static int __devinit stl_initports(struct stlbrd *brdp, struct stlpanel *panelp)
stl_portinit(brdp, panelp, portp);
}
- return(0);
+ return 0;
}
static void stl_cleanup_panels(struct stlbrd *brdp)
@@ -2092,7 +2089,7 @@ static int __devinit stl_initech(struct stlbrd *brdp)
outb((status | ECH_BRDRESET), brdp->ioaddr1);
brdp->ioctrlval = ECH_INTENABLE |
((brdp->irqtype) ? ECH_INTLEVEL : ECH_INTEDGE);
- for (i = 0; (i < 10); i++)
+ for (i = 0; i < 10; i++)
outb((brdp->ioctrlval | ECH_BRDENABLE), brdp->ioctrl);
brdp->iosize1 = 2;
brdp->iosize2 = 32;
@@ -2180,7 +2177,7 @@ static int __devinit stl_initech(struct stlbrd *brdp)
panelnr = 0;
nxtid = 0;
- for (i = 0; (i < STL_MAXPANELS); i++) {
+ for (i = 0; i < STL_MAXPANELS; i++) {
if (brdp->brdtype == BRD_ECHPCI) {
outb(nxtid, brdp->ioctrl);
ioaddr = brdp->ioaddr2;
@@ -2213,9 +2210,8 @@ static int __devinit stl_initech(struct stlbrd *brdp)
brdp->bnkpageaddr[banknr] = nxtid;
brdp->bnkstataddr[banknr++] = ioaddr + 4 +
ECH_PNLSTATUS;
- } else {
+ } else
panelp->nrports = 8;
- }
} else {
panelp->uartp = &stl_cd1400uart;
panelp->isr = stl_cd1400echintr;
@@ -2311,7 +2307,7 @@ static int __devinit stl_brdinit(struct stlbrd *brdp)
goto err_free;
}
- for (i = 0; (i < STL_MAXPANELS); i++)
+ for (i = 0; i < STL_MAXPANELS; i++)
if (brdp->panels[i] != NULL)
stl_initports(brdp, brdp->panels[i]);
@@ -2343,14 +2339,14 @@ static int __devinit stl_getbrdnr(void)
{
int i;
- for (i = 0; (i < STL_MAXBRDS); i++) {
+ for (i = 0; i < STL_MAXBRDS; i++)
if (stl_brds[i] == NULL) {
if (i >= stl_nrbrds)
stl_nrbrds = i + 1;
- return(i);
+ return i;
}
- }
- return(-1);
+
+ return -1;
}
/*****************************************************************************/
@@ -2471,10 +2467,10 @@ static int stl_getbrdstats(combrd_t __user *bp)
if (copy_from_user(&stl_brdstats, bp, sizeof(combrd_t)))
return -EFAULT;
if (stl_brdstats.brd >= STL_MAXBRDS)
- return(-ENODEV);
+ return -ENODEV;
brdp = stl_brds[stl_brdstats.brd];
if (brdp == NULL)
- return(-ENODEV);
+ return -ENODEV;
memset(&stl_brdstats, 0, sizeof(combrd_t));
stl_brdstats.brd = brdp->brdnr;
@@ -2486,7 +2482,7 @@ static int stl_getbrdstats(combrd_t __user *bp)
stl_brdstats.irq = brdp->irq;
stl_brdstats.nrpanels = brdp->nrpanels;
stl_brdstats.nrports = brdp->nrports;
- for (i = 0; (i < brdp->nrpanels); i++) {
+ for (i = 0; i < brdp->nrpanels; i++) {
panelp = brdp->panels[i];
stl_brdstats.panels[i].panel = i;
stl_brdstats.panels[i].hwid = panelp->hwid;
@@ -2507,19 +2503,19 @@ static struct stlport *stl_getport(int brdnr, int panelnr, int portnr)
struct stlbrd *brdp;
struct stlpanel *panelp;
- if ((brdnr < 0) || (brdnr >= STL_MAXBRDS))
- return(NULL);
+ if (brdnr < 0 || brdnr >= STL_MAXBRDS)
+ return NULL;
brdp = stl_brds[brdnr];
if (brdp == NULL)
- return(NULL);
- if ((panelnr < 0) || (panelnr >= brdp->nrpanels))
- return(NULL);
+ return NULL;
+ if (panelnr < 0 || panelnr >= brdp->nrpanels)
+ return NULL;
panelp = brdp->panels[panelnr];
if (panelp == NULL)
- return(NULL);
- if ((portnr < 0) || (portnr >= panelp->nrports))
- return(NULL);
- return(panelp->ports[portnr]);
+ return NULL;
+ if (portnr < 0 || portnr >= panelp->nrports)
+ return NULL;
+ return panelp->ports[portnr];
}
/*****************************************************************************/
@@ -2541,7 +2537,7 @@ static int stl_getportstats(struct stlport *portp, comstats_t __user *cp)
portp = stl_getport(stl_comstats.brd, stl_comstats.panel,
stl_comstats.port);
if (portp == NULL)
- return(-ENODEV);
+ return -ENODEV;
}
portp->stats.state = portp->istate;
@@ -2556,7 +2552,7 @@ static int stl_getportstats(struct stlport *portp, comstats_t __user *cp)
portp->stats.rxbuffered = 0;
spin_lock_irqsave(&stallion_lock, flags);
- if (portp->tty != NULL) {
+ if (portp->tty != NULL)
if (portp->tty->driver_data == portp) {
portp->stats.ttystate = portp->tty->flags;
/* No longer available as a statistic */
@@ -2568,13 +2564,12 @@ static int stl_getportstats(struct stlport *portp, comstats_t __user *cp)
portp->stats.lflags = portp->tty->termios->c_lflag;
}
}
- }
spin_unlock_irqrestore(&stallion_lock, flags);
head = portp->tx.head;
tail = portp->tx.tail;
- portp->stats.txbuffered = ((head >= tail) ? (head - tail) :
- (STL_TXBUFSIZE - (tail - head)));
+ portp->stats.txbuffered = (head >= tail) ? (head - tail) :
+ (STL_TXBUFSIZE - (tail - head));
portp->stats.signals = (unsigned long) stl_getsignals(portp);
@@ -2596,7 +2591,7 @@ static int stl_clrportstats(struct stlport *portp, comstats_t __user *cp)
portp = stl_getport(stl_comstats.brd, stl_comstats.panel,
stl_comstats.port);
if (portp == NULL)
- return(-ENODEV);
+ return -ENODEV;
}
memset(&portp->stats, 0, sizeof(comstats_t));
@@ -2642,7 +2637,7 @@ static int stl_getbrdstruct(struct stlbrd __user *arg)
return -ENODEV;
brdp = stl_brds[stl_dummybrd.brdnr];
if (!brdp)
- return(-ENODEV);
+ return -ENODEV;
return copy_to_user(arg, brdp, sizeof(struct stlbrd)) ? -EFAULT : 0;
}
@@ -2663,7 +2658,7 @@ static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, uns
brdnr = iminor(ip);
if (brdnr >= STL_MAXBRDS)
- return(-ENODEV);
+ return -ENODEV;
rc = 0;
switch (cmd) {
@@ -2687,7 +2682,7 @@ static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, uns
break;
}
- return(rc);
+ return rc;
}
static const struct tty_operations stl_ops = {
@@ -2732,13 +2727,13 @@ static int stl_cd1400getreg(struct stlport *portp, int regnr)
static void stl_cd1400setreg(struct stlport *portp, int regnr, int value)
{
- outb((regnr + portp->uartaddr), portp->ioaddr);
+ outb(regnr + portp->uartaddr, portp->ioaddr);
outb(value, portp->ioaddr + EREG_DATA);
}
static int stl_cd1400updatereg(struct stlport *portp, int regnr, int value)
{
- outb((regnr + portp->uartaddr), portp->ioaddr);
+ outb(regnr + portp->uartaddr, portp->ioaddr);
if (inb(portp->ioaddr + EREG_DATA) != value) {
outb(value, portp->ioaddr + EREG_DATA);
return 1;
@@ -2771,13 +2766,12 @@ static int stl_cd1400panelinit(struct stlbrd *brdp, struct stlpanel *panelp)
*/
chipmask = 0;
nrchips = panelp->nrports / CD1400_PORTS;
- for (i = 0; (i < nrchips); i++) {
+ for (i = 0; i < nrchips; i++) {
if (brdp->brdtype == BRD_ECHPCI) {
outb((panelp->pagenr + (i >> 1)), brdp->ioctrl);
ioaddr = panelp->iobase;
- } else {
+ } else
ioaddr = panelp->iobase + (EREG_BANKSIZE * (i >> 1));
- }
uartaddr = (i & 0x01) ? 0x080 : 0;
outb((GFRCR + uartaddr), ioaddr);
outb(0, (ioaddr + EREG_DATA));
@@ -2785,10 +2779,10 @@ static int stl_cd1400panelinit(struct stlbrd *brdp, struct stlpanel *panelp)
outb(CCR_RESETFULL, (ioaddr + EREG_DATA));
outb(CCR_RESETFULL, (ioaddr + EREG_DATA));
outb((GFRCR + uartaddr), ioaddr);
- for (j = 0; (j < CCR_MAXWAIT); j++) {
+ for (j = 0; j < CCR_MAXWAIT; j++)
if ((gfrcr = inb(ioaddr + EREG_DATA)) != 0)
break;
- }
+
if ((j >= CCR_MAXWAIT) || (gfrcr < 0x40) || (gfrcr > 0x60)) {
printk("STALLION: cd1400 not responding, "
"brd=%d panel=%d chip=%d\n",
@@ -2846,11 +2840,9 @@ static void stl_cd1400ccrwait(struct stlport *portp)
{
int i;
- for (i = 0; (i < CCR_MAXWAIT); i++) {
- if (stl_cd1400getreg(portp, CCR) == 0) {
+ for (i = 0; i < CCR_MAXWAIT; i++)
+ if (stl_cd1400getreg(portp, CCR) == 0)
return;
- }
- }
printk("STALLION: cd1400 not responding, port=%d panel=%d brd=%d\n",
portp->portnr, portp->panelnr, portp->brdnr);
@@ -2986,8 +2978,8 @@ static void stl_cd1400setport(struct stlport *portp, struct ktermios *tiosp)
baudrate = STL_CD1400MAXBAUD;
if (baudrate > 0) {
- for (clk = 0; (clk < CD1400_NUMCLKS); clk++) {
- clkdiv = ((portp->clk / stl_cd1400clkdivs[clk]) / baudrate);
+ for (clk = 0; clk < CD1400_NUMCLKS; clk++) {
+ clkdiv = (portp->clk / stl_cd1400clkdivs[clk]) / baudrate;
if (clkdiv < 0x100)
break;
}
@@ -3002,9 +2994,8 @@ static void stl_cd1400setport(struct stlport *portp, struct ktermios *tiosp)
mcor2 |= MCOR2_DCD;
sreron |= SRER_MODEM;
portp->flags |= ASYNC_CHECK_CD;
- } else {
+ } else
portp->flags &= ~ASYNC_CHECK_CD;
- }
/*
* Setup cd1400 enhanced modes if we can. In particular we want to
@@ -3648,18 +3639,16 @@ static void stl_cd1400rxisr(struct stlpanel *panelp, int ioaddr)
do_SAK(tty);
BRDENABLE(portp->brdnr, portp->pagenr);
}
- } else if (status & ST_PARITY) {
+ } else if (status & ST_PARITY)
status = TTY_PARITY;
- } else if (status & ST_FRAMING) {
+ else if (status & ST_FRAMING)
status = TTY_FRAME;
- } else if(status & ST_OVERRUN) {
+ else if(status & ST_OVERRUN)
status = TTY_OVERRUN;
- } else {
+ else
status = 0;
- }
- } else {
+ } else
status = 0;
- }
tty_insert_flip_char(tty, ch, status);
tty_schedule_flip(tty);
}
@@ -3786,7 +3775,7 @@ static int stl_sc26198panelinit(struct stlbrd *brdp, struct stlpanel *panelp)
if (brdp->brdtype == BRD_ECHPCI)
outb(panelp->pagenr, brdp->ioctrl);
- for (i = 0; (i < nrchips); i++) {
+ for (i = 0; i < nrchips; i++) {
ioaddr = panelp->iobase + (i * 4);
outb(SCCR, (ioaddr + XP_ADDR));
outb(CR_RESETALL, (ioaddr + XP_DATA));
@@ -3906,9 +3895,8 @@ static void stl_sc26198setport(struct stlport *portp, struct ktermios *tiosp)
mr1 |= (MR1_PARENB | MR1_PARODD);
else
mr1 |= (MR1_PARENB | MR1_PAREVEN);
- } else {
+ } else
mr1 |= MR1_PARNONE;
- }
mr1 |= MR1_ERRBLOCK;
@@ -3948,12 +3936,10 @@ static void stl_sc26198setport(struct stlport *portp, struct ktermios *tiosp)
if (baudrate > STL_SC26198MAXBAUD)
baudrate = STL_SC26198MAXBAUD;
- if (baudrate > 0) {
- for (clk = 0; (clk < SC26198_NRBAUDS); clk++) {
+ if (baudrate > 0)
+ for (clk = 0; clk < SC26198_NRBAUDS; clk++)
if (baudrate <= sc26198_baudtable[clk])
break;
- }
- }
/*
* Check what form of modem signaling is required and set it up.
@@ -3975,9 +3961,9 @@ static void stl_sc26198setport(struct stlport *portp, struct ktermios *tiosp)
if (tiosp->c_iflag & IXON) {
mr0 |= MR0_SWFTX | MR0_SWFT;
imron |= IR_XONXOFF;
- } else {
+ } else
imroff |= IR_XONXOFF;
- }
+
if (tiosp->c_iflag & IXOFF)
mr0 |= MR0_SWFRX;
@@ -4188,9 +4174,9 @@ static void stl_sc26198sendbreak(struct stlport *portp, int len)
if (len == 1) {
stl_sc26198setreg(portp, SCCR, CR_TXSTARTBREAK);
portp->stats.txbreaks++;
- } else {
+ } else
stl_sc26198setreg(portp, SCCR, CR_TXSTOPBREAK);
- }
+
BRDDISABLE(portp->brdnr);
spin_unlock_irqrestore(&brd_lock, flags);
}
@@ -4374,7 +4360,7 @@ static void stl_sc26198wait(struct stlport *portp)
if (portp == NULL)
return;
- for (i = 0; (i < 20); i++)
+ for (i = 0; i < 20; i++)
stl_sc26198getglobreg(portp, TSTR);
}
@@ -4583,18 +4569,16 @@ static void stl_sc26198rxbadch(struct stlport *portp, unsigned char status, char
do_SAK(tty);
BRDENABLE(portp->brdnr, portp->pagenr);
}
- } else if (status & SR_RXPARITY) {
+ } else if (status & SR_RXPARITY)
status = TTY_PARITY;
- } else if (status & SR_RXFRAMING) {
+ else if (status & SR_RXFRAMING)
status = TTY_FRAME;
- } else if(status & SR_RXOVERRUN) {
+ else if(status & SR_RXOVERRUN)
status = TTY_OVERRUN;
- } else {
+ else
status = 0;
- }
- } else {
+ } else
status = 0;
- }
tty_insert_flip_char(tty, ch, status);
tty_schedule_flip(tty);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 17:20:48 +0000