static void xmbrs_unthrottle(struct tty_struct * tty)
{
struct xmb_serial *info = (struct xmb_serial *)tty->driver_data;
#ifdef SERIAL_DEBUG_THROTTLE
char buf[64];
printk("unthrottle %s: %d....\n", _tty_name(tty, buf),
tty->ldisc.chars_in_buffer(tty));
#endif
if (serial_paranoia_check(info, tty->device, "xmbrs_unthrottle"))
return;
if (I_IXOFF(tty)) {
if (info->x_char)
info->x_char = 0;
else {
/* Force START_CHAR (xon) out */
volatile unsigned int *uartp;
unsigned long flags;
info->x_char = START_CHAR(tty);
uartp = (volatile unsigned int *) info->addr;
save_flags_cli(flags);
EnableInterrupts(uartp);
force_tx_fifo_fill(info);
restore_flags(flags);
}
}
}
static void rs_360_unthrottle(struct tty_struct * tty)
{
ser_info_t *info = (ser_info_t *)tty->driver_data;
#ifdef SERIAL_DEBUG_THROTTLE
char buf[64];
printk("unthrottle %s: %d....\n", _tty_name(tty, buf),
tty->ldisc.chars_in_buffer(tty));
#endif
if (serial_paranoia_check(info, tty->name, "rs_unthrottle"))
return;
if (I_IXOFF(tty)) {
if (info->x_char)
info->x_char = 0;
else
rs_360_send_xchar(tty, START_CHAR(tty));
}
#ifdef modem_control
if (tty->termios->c_cflag & CRTSCTS)
info->MCR |= UART_MCR_RTS;
local_irq_disable();
serial_out(info, UART_MCR, info->MCR);
local_irq_enable();
#endif
}
static inline void n_tty_receive_overrun(struct tty_struct *tty)
{
char buf[64];
tty->num_overrun++;
if (tty->overrun_time < (jiffies - HZ)) {
printk("%s: %d input overrun(s)\n", _tty_name(tty, buf),
tty->num_overrun);
tty->overrun_time = jiffies;
tty->num_overrun = 0;
}
}
