static int cypress_earthmate_startup(struct usb_serial *serial);
static int cypress_hidcom_startup(struct usb_serial *serial);
static int cypress_ca42v2_startup(struct usb_serial *serial);
-static void cypress_shutdown(struct usb_serial *serial);
-static int cypress_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
-static void cypress_close(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+static void cypress_release(struct usb_serial *serial);
+static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port);
+static void cypress_close(struct usb_serial_port *port);
+static void cypress_dtr_rts(struct usb_serial_port *port, int on);
static int cypress_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count);
static void cypress_send(struct usb_serial_port *port);
.id_table = id_table_earthmate,
.num_ports = 1,
.attach = cypress_earthmate_startup,
- .shutdown = cypress_shutdown,
+ .release = cypress_release,
.open = cypress_open,
.close = cypress_close,
+ .dtr_rts = cypress_dtr_rts,
.write = cypress_write,
.write_room = cypress_write_room,
.ioctl = cypress_ioctl,
.id_table = id_table_cyphidcomrs232,
.num_ports = 1,
.attach = cypress_hidcom_startup,
- .shutdown = cypress_shutdown,
+ .release = cypress_release,
.open = cypress_open,
.close = cypress_close,
+ .dtr_rts = cypress_dtr_rts,
.write = cypress_write,
.write_room = cypress_write_room,
.ioctl = cypress_ioctl,
.id_table = id_table_nokiaca42v2,
.num_ports = 1,
.attach = cypress_ca42v2_startup,
- .shutdown = cypress_shutdown,
+ .release = cypress_release,
.open = cypress_open,
.close = cypress_close,
+ .dtr_rts = cypress_dtr_rts,
.write = cypress_write,
.write_room = cypress_write_room,
.ioctl = cypress_ioctl,
} /* cypress_ca42v2_startup */
-static void cypress_shutdown(struct usb_serial *serial)
+static void cypress_release(struct usb_serial *serial)
{
struct cypress_private *priv;
if (priv) {
cypress_buf_free(priv->buf);
kfree(priv);
- usb_set_serial_port_data(serial->port[0], NULL);
}
}
-static int cypress_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct cypress_private *priv = usb_get_serial_port_data(port);
struct usb_serial *serial = port->serial;
priv->rx_flags = 0;
spin_unlock_irqrestore(&priv->lock, flags);
- /* raise both lines and set termios */
- spin_lock_irqsave(&priv->lock, flags);
- priv->line_control = CONTROL_DTR | CONTROL_RTS;
- priv->cmd_ctrl = 1;
- spin_unlock_irqrestore(&priv->lock, flags);
- result = cypress_write(tty, port, NULL, 0);
-
- if (result) {
- dev_err(&port->dev,
- "%s - failed setting the control lines - error %d\n",
- __func__, result);
- return result;
- } else
- dbg("%s - success setting the control lines", __func__);
+ /* Set termios */
+ cypress_send(port);
if (tty)
cypress_set_termios(tty, port, &priv->tmp_termios);
__func__, result);
cypress_set_dead(port);
}
-
+ port->port.drain_delay = 256;
return result;
} /* cypress_open */
+static void cypress_dtr_rts(struct usb_serial_port *port, int on)
+{
+ struct cypress_private *priv = usb_get_serial_port_data(port);
+ /* drop dtr and rts */
+ priv = usb_get_serial_port_data(port);
+ spin_lock_irq(&priv->lock);
+ if (on == 0)
+ priv->line_control = 0;
+ else
+ priv->line_control = CONTROL_DTR | CONTROL_RTS;
+ priv->cmd_ctrl = 1;
+ spin_unlock_irq(&priv->lock);
+ cypress_write(NULL, port, NULL, 0);
+}
-static void cypress_close(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static void cypress_close(struct usb_serial_port *port)
{
struct cypress_private *priv = usb_get_serial_port_data(port);
- unsigned int c_cflag;
- int bps;
- long timeout;
- wait_queue_t wait;
dbg("%s - port %d", __func__, port->number);
- /* wait for data to drain from buffer */
- spin_lock_irq(&priv->lock);
- timeout = CYPRESS_CLOSING_WAIT;
- init_waitqueue_entry(&wait, current);
- add_wait_queue(&tty->write_wait, &wait);
- for (;;) {
- set_current_state(TASK_INTERRUPTIBLE);
- if (cypress_buf_data_avail(priv->buf) == 0
- || timeout == 0 || signal_pending(current)
- /* without mutex, allowed due to harmless failure mode */
- || port->serial->disconnected)
- break;
- spin_unlock_irq(&priv->lock);
- timeout = schedule_timeout(timeout);
- spin_lock_irq(&priv->lock);
- }
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&tty->write_wait, &wait);
- /* clear out any remaining data in the buffer */
- cypress_buf_clear(priv->buf);
- spin_unlock_irq(&priv->lock);
-
/* writing is potentially harmful, lock must be taken */
mutex_lock(&port->serial->disc_mutex);
if (port->serial->disconnected) {
mutex_unlock(&port->serial->disc_mutex);
return;
}
- /* wait for characters to drain from device */
- if (tty) {
- bps = tty_get_baud_rate(tty);
- if (bps > 1200)
- timeout = max((HZ * 2560) / bps, HZ / 10);
- else
- timeout = 2 * HZ;
- schedule_timeout_interruptible(timeout);
- }
-
+ cypress_buf_clear(priv->buf);
dbg("%s - stopping urbs", __func__);
usb_kill_urb(port->interrupt_in_urb);
usb_kill_urb(port->interrupt_out_urb);
- if (tty) {
- c_cflag = tty->termios->c_cflag;
- if (c_cflag & HUPCL) {
- /* drop dtr and rts */
- priv = usb_get_serial_port_data(port);
- spin_lock_irq(&priv->lock);
- priv->line_control = 0;
- priv->cmd_ctrl = 1;
- spin_unlock_irq(&priv->lock);
- cypress_write(tty, port, NULL, 0);
- }
- }
if (stats)
dev_info(&port->dev, "Statistics: %d Bytes In | %d Bytes Out | %d Commands Issued\n",
dbg("%s - port %d", __func__, port->number);
spin_lock_irqsave(&priv->lock, flags);
+ /* We can't clean this one up as we don't know the device type
+ early enough */
if (!priv->termios_initialized) {
if (priv->chiptype == CT_EARTHMATE) {
*(tty->termios) = tty_std_termios;
/* precursor to disconnect so just go away */
return;
case -EPIPE:
- usb_clear_halt(port->serial->dev, 0x81);
- break;
+ /* Can't call usb_clear_halt while in_interrupt */
+ /* FALLS THROUGH */
default:
/* something ugly is going on... */
dev_err(&urb->dev->dev,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff