void lbs_remove_card(struct lbs_private *priv)
{
struct net_device *dev = priv->dev;
lbs_remove_mesh(priv);
if (priv->wiphy_registered)
lbs_scan_deinit(priv);
lbs_wait_for_firmware_load(priv);
/* worker thread destruction blocks on the in-flight command which
* should have been cleared already in lbs_stop_card().
*/
lbs_deb_main("destroying worker thread\n");
destroy_workqueue(priv->work_thread);
lbs_deb_main("done destroying worker thread\n");
if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
priv->psmode = LBS802_11POWERMODECAM;
/* no need to wakeup if already woken up,
* on suspend, this exit ps command is not processed
* the driver hangs
*/
if (priv->psstate != PS_STATE_FULL_POWER)
lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true);
}
if (priv->is_deep_sleep) {
priv->is_deep_sleep = 0;
wake_up_interruptible(&priv->ds_awake_q);
}
priv->is_host_sleep_configured = 0;
priv->is_host_sleep_activated = 0;
wake_up_interruptible(&priv->host_sleep_q);
/* Stop the thread servicing the interrupts */
priv->surpriseremoved = 1;
kthread_stop(priv->main_thread);
lbs_free_adapter(priv);
lbs_cfg_free(priv);
free_netdev(dev);
}
void lbs_remove_card(struct lbs_private *priv)
{
struct net_device *dev = priv->dev;
lbs_deb_enter(LBS_DEB_MAIN);
lbs_remove_mesh(priv);
lbs_scan_deinit(priv);
/* worker thread destruction blocks on the in-flight command which
* should have been cleared already in lbs_stop_card().
*/
lbs_deb_main("destroying worker thread\n");
destroy_workqueue(priv->work_thread);
lbs_deb_main("done destroying worker thread\n");
if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
priv->psmode = LBS802_11POWERMODECAM;
lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true);
}
if (priv->is_deep_sleep) {
priv->is_deep_sleep = 0;
wake_up_interruptible(&priv->ds_awake_q);
}
priv->is_host_sleep_configured = 0;
priv->is_host_sleep_activated = 0;
wake_up_interruptible(&priv->host_sleep_q);
/* Stop the thread servicing the interrupts */
priv->surpriseremoved = 1;
kthread_stop(priv->main_thread);
lbs_free_adapter(priv);
lbs_cfg_free(priv);
free_netdev(dev);
lbs_deb_leave(LBS_DEB_MAIN);
}
/**
* lbs_add_card - adds the card. It will probe the
* card, allocate the lbs_priv and initialize the device.
*
* @card: A pointer to card
* @dmdev: A pointer to &struct device
* returns: A pointer to &struct lbs_private structure
*/
struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
{
struct net_device *dev;
struct wireless_dev *wdev;
struct lbs_private *priv = NULL;
lbs_deb_enter(LBS_DEB_MAIN);
/* Allocate an Ethernet device and register it */
wdev = lbs_cfg_alloc(dmdev);
if (IS_ERR(wdev)) {
pr_err("cfg80211 init failed\n");
goto done;
}
wdev->iftype = NL80211_IFTYPE_STATION;
priv = wdev_priv(wdev);
priv->wdev = wdev;
if (lbs_init_adapter(priv)) {
pr_err("failed to initialize adapter structure\n");
goto err_wdev;
}
dev = alloc_netdev(0, "wlan%d", ether_setup);
if (!dev) {
dev_err(dmdev, "no memory for network device instance\n");
goto err_adapter;
}
dev->ieee80211_ptr = wdev;
dev->ml_priv = priv;
SET_NETDEV_DEV(dev, dmdev);
wdev->netdev = dev;
priv->dev = dev;
dev->netdev_ops = &lbs_netdev_ops;
dev->watchdog_timeo = 5 * HZ;
dev->ethtool_ops = &lbs_ethtool_ops;
dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
priv->card = card;
strcpy(dev->name, "wlan%d");
lbs_deb_thread("Starting main thread...\n");
init_waitqueue_head(&priv->waitq);
priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main");
if (IS_ERR(priv->main_thread)) {
lbs_deb_thread("Error creating main thread.\n");
goto err_ndev;
}
priv->work_thread = create_singlethread_workqueue("lbs_worker");
INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker);
priv->wol_criteria = EHS_REMOVE_WAKEUP;
priv->wol_gpio = 0xff;
priv->wol_gap = 20;
priv->ehs_remove_supported = true;
goto done;
err_ndev:
free_netdev(dev);
err_adapter:
lbs_free_adapter(priv);
err_wdev:
lbs_cfg_free(priv);
priv = NULL;
done:
lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv);
return priv;
}