static void rs_hangup(struct tty_struct *tty)
{
struct serial_state *info = tty->driver_data;
rs_flush_buffer(tty);
tty_port_hangup(&info->port);
}
static void ipoctal_hangup(struct tty_struct *tty)
{
unsigned long flags;
struct ipoctal_channel *channel = tty->driver_data;
if (channel == NULL)
return;
spin_lock_irqsave(&channel->lock, flags);
channel->nb_bytes = 0;
channel->pointer_read = 0;
channel->pointer_write = 0;
spin_unlock_irqrestore(&channel->lock, flags);
tty_port_hangup(&channel->tty_port);
iowrite8(CR_DISABLE_RX | CR_DISABLE_TX, &channel->regs->w.cr);
channel->rx_enable = 0;
iowrite8(CR_CMD_RESET_RX, &channel->regs->w.cr);
iowrite8(CR_CMD_RESET_TX, &channel->regs->w.cr);
iowrite8(CR_CMD_RESET_ERR_STATUS, &channel->regs->w.cr);
iowrite8(CR_CMD_RESET_MR, &channel->regs->w.cr);
clear_bit(ASYNCB_INITIALIZED, &channel->tty_port.flags);
wake_up_interruptible(&channel->tty_port.open_wait);
}
static void ehv_bc_tty_hangup(struct tty_struct *ttys)
{
struct ehv_bc_data *bc = ttys->driver_data;
ehv_bc_tx_dequeue(bc);
tty_port_hangup(&bc->port);
}
static void acm_tty_hangup(struct tty_struct *tty)
{
struct acm *acm = tty->driver_data;
tty_port_hangup(&acm->port);
mutex_lock(&open_mutex);
acm_port_down(acm);
mutex_unlock(&open_mutex);
}
static void acm_tty_hangup(struct tty_struct *tty)
{
struct acm *acm = tty->driver_data;
tty_port_hangup(&acm->port);
acm_port_down(acm);
}
static void ntty_hangup(struct tty_struct *tty)
{
struct port *port = tty->driver_data;
tty_port_hangup(&port->port);
}
static void acm_tty_hangup(struct tty_struct *tty)
{
struct acm *acm = tty->driver_data;
dev_dbg(&acm->control->dev, "%s\n", __func__);
tty_port_hangup(&acm->port);
}
static void goldfish_tty_hangup(struct tty_struct *tty)
{
tty_port_hangup(tty->port);
}
static void kgdb_nmi_tty_hangup(struct tty_struct *tty)
{
struct kgdb_nmi_tty_priv *priv = tty->driver_data;
tty_port_hangup(&priv->port);
}
static void gdm_tty_hangup(struct tty_struct *tty)
{
struct gdm *gdm = tty->driver_data;
tty_port_hangup(&gdm->port);
}
