int hsictty_suspend(struct usb_serial *serial, pm_message_t message)
{
struct hsictty_intf_private *intfdata = usb_get_serial_data(serial);
int b;
hsictty_dbg
("%s entered,PM type:(%x:%s), pm cnt:%d, intfdata->in_flight:%d\n",
__func__, message.event,
(message.event & PM_EVENT_AUTO) ? "auto suspend" : "no auto suspend",
atomic_read(&serial->interface->dev.power.usage_count),
intfdata->in_flight);
if (message.event & PM_EVENT_AUTO) {
spin_lock_irq(&intfdata->susp_lock);
b = intfdata->in_flight;
spin_unlock_irq(&intfdata->susp_lock);
if (b)
return -EBUSY;
}
spin_lock_irq(&intfdata->susp_lock);
intfdata->suspended = 1;
spin_unlock_irq(&intfdata->susp_lock);
stop_read_write_urbs(serial);
return 0;
}
static int option_suspend(struct usb_serial *serial, pm_message_t message)
{
dbg("%s entered", __func__);
stop_read_write_urbs(serial);
return 0;
}
static int sierra_suspend(struct usb_serial *serial, pm_message_t message)
{
struct sierra_intf_private *intfdata = usb_get_serial_data(serial);
spin_lock_irq(&intfdata->susp_lock);
if (PMSG_IS_AUTO(message)) {
if (intfdata->in_flight) {
spin_unlock_irq(&intfdata->susp_lock);
return -EBUSY;
}
}
intfdata->suspended = 1;
spin_unlock_irq(&intfdata->susp_lock);
stop_read_write_urbs(serial);
return 0;
}
static void option_shutdown(struct usb_serial *serial)
{
int i, j;
struct usb_serial_port *port;
struct option_port_private *portdata;
dbg("%s", __func__);
stop_read_write_urbs(serial);
/* Now free them */
for (i = 0; i < serial->num_ports; ++i) {
port = serial->port[i];
portdata = usb_get_serial_port_data(port);
for (j = 0; j < N_IN_URB; j++) {
if (portdata->in_urbs[j]) {
usb_free_urb(portdata->in_urbs[j]);
free_page((unsigned long)
portdata->in_buffer[j]);
portdata->in_urbs[j] = NULL;
}
}
for (j = 0; j < N_OUT_URB; j++) {
if (portdata->out_urbs[j]) {
usb_free_urb(portdata->out_urbs[j]);
kfree(portdata->out_buffer[j]);
portdata->out_urbs[j] = NULL;
}
}
}
/* Now free per port private data */
for (i = 0; i < serial->num_ports; i++) {
port = serial->port[i];
kfree(usb_get_serial_port_data(port));
}
}
static void option_disconnect(struct usb_serial *serial)
{
dbg("%s", __func__);
stop_read_write_urbs(serial);
}
