static void pc_close(struct tty_struct *, struct file *);
static void shutdown(struct channel *);
static void pc_hangup(struct tty_struct *);
-static void pc_put_char(struct tty_struct *, unsigned char);
static int pc_write_room(struct tty_struct *);
static int pc_chars_in_buffer(struct tty_struct *);
static void pc_flush_buffer(struct tty_struct *);
setup_empty_event(tty, ch);
tty_wait_until_sent(tty, 3000); /* 30 seconds timeout */
}
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer(tty);
+ pc_flush_buffer(tty);
tty_ldisc_flush(tty);
shutdown(ch);
if ((ch = verifyChannel(tty)) != NULL) {
unsigned long flags;
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer(tty);
+ pc_flush_buffer(tty);
tty_ldisc_flush(tty);
shutdown(ch);
return amountCopied;
}
-static void pc_put_char(struct tty_struct *tty, unsigned char c)
-{
- pc_write(tty, &c, 1);
-}
-
static int pc_write_room(struct tty_struct *tty)
{
int remain;
return(-ENODEV);
}
- if ((bc = ch->brdchan) == 0) {
+ bc = ch->brdchan;
+ if (bc == NULL) {
tty->driver_data = NULL;
return -ENODEV;
}
.flush_buffer = pc_flush_buffer,
.chars_in_buffer = pc_chars_in_buffer,
.flush_chars = pc_flush_chars,
- .put_char = pc_put_char,
.ioctl = pc_ioctl,
.set_termios = pc_set_termios,
.stop = pc_stop,
res |= cflag & ((CBAUD ^ CBAUDEX) | PARODD | PARENB | CSTOPB | CSIZE);
/*
* This gets a little confusing. The Digi cards have their own
- * representation of c_cflags controling baud rate. For the most part
+ * representation of c_cflags controlling baud rate. For the most part
* this is identical to the Linux implementation. However; Digi
* supports one rate (76800) that Linux doesn't. This means that the
* c_cflag entry that would normally mean 76800 for Digi actually means
unsigned mval, hflow, cflag, iflag;
bc = ch->brdchan;
- epcaassert(bc !=0, "bc out of range");
+ epcaassert(bc != NULL, "bc out of range");
assertgwinon(ch);
ts = tty->termios;
{
/*
* This call is made by the apps to complete the
- * initilization of the board(s). This routine is
+ * initialization of the board(s). This routine is
* responsible for setting the card to its initial
* state and setting the drivers control fields to the
* sutianle settings for the card in question.
tty_wait_until_sent(tty, 0);
digi_send_break(ch, arg ? arg*(HZ/10) : HZ/4);
return 0;
- case TIOCGSOFTCAR:
- if (put_user(C_CLOCAL(tty)?1:0, (unsigned long __user *)arg))
- return -EFAULT;
- return 0;
- case TIOCSSOFTCAR:
- {
- unsigned int value;
-
- if (get_user(value, (unsigned __user *)argp))
- return -EFAULT;
- tty->termios->c_cflag =
- ((tty->termios->c_cflag & ~CLOCAL) |
- (value ? CLOCAL : 0));
- return 0;
- }
case TIOCMODG:
mflag = pc_tiocmget(tty, file);
if (put_user(mflag, (unsigned long __user *)argp))
break;
case DIGI_SETAW:
case DIGI_SETAF:
+ lock_kernel();
if (cmd == DIGI_SETAW) {
/* Setup an event to indicate when the transmit buffer empties */
spin_lock_irqsave(&epca_lock, flags);
if (tty->ldisc.flush_buffer)
tty->ldisc.flush_buffer(tty);
}
+ unlock_kernel();
/* Fall Thru */
case DIGI_SETA:
if (copy_from_user(&ch->digiext, argp, sizeof(digi_t)))
}
}
-void digi_send_break(struct channel *ch, int msec)
+static void digi_send_break(struct channel *ch, int msec)
{
unsigned long flags;
MODULE_DEVICE_TABLE(pci, epca_pci_tbl);
-int __init init_PCI (void)
+static int __init init_PCI(void)
{
memset (&epca_driver, 0, sizeof (epca_driver));
epca_driver.name = "epca";