Re: No association with WPA and kernel 2.6.23.9

--- drivers/net/wireless/ipw2200.c	2007-11-02 17:09:43.000000000 +0100
+++ ../linux-2.6.23/drivers/net/wireless/ipw2200.c	2007-11-29 18:48:10.000000000 +0100
@@ -70,7 +70,7 @@
 #define VQ
 #endif
 
-#define IPW2200_VERSION "1.2.0" VK VD VM VP VR VQ
+#define IPW2200_VERSION "1.2.2" VK VD VM VP VR VQ
 #define DRV_DESCRIPTION	"Intel(R) PRO/Wireless 2200/2915 Network Driver"
 #define DRV_COPYRIGHT	"Copyright(c) 2003-2006 Intel Corporation"
 #define DRV_VERSION     IPW2200_VERSION
@@ -1740,8 +1740,10 @@ static int ipw_radio_kill_sw(struct ipw_
 	if (disable_radio) {
 		priv->status |= STATUS_RF_KILL_SW;
 
-		if (priv->workqueue)
+		if (priv->workqueue) {
 			cancel_delayed_work(&priv->request_scan);
+			cancel_delayed_work(&priv->scan_event);
+		}
 		queue_work(priv->workqueue, &priv->down);
 	} else {
 		priv->status &= ~STATUS_RF_KILL_SW;
@@ -1751,7 +1753,7 @@ static int ipw_radio_kill_sw(struct ipw_
 			/* Make sure the RF_KILL check timer is running */
 			cancel_delayed_work(&priv->rf_kill);
 			queue_delayed_work(priv->workqueue, &priv->rf_kill,
-					   2 * HZ);
+					   round_jiffies(2 * HZ));
 		} else
 			queue_work(priv->workqueue, &priv->up);
 	}
@@ -1992,6 +1994,7 @@ static void ipw_irq_tasklet(struct ipw_p
 		wake_up_interruptible(&priv->wait_command_queue);
 		priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
 		cancel_delayed_work(&priv->request_scan);
+		cancel_delayed_work(&priv->scan_event);
 		schedule_work(&priv->link_down);
 		queue_delayed_work(priv->workqueue, &priv->rf_kill, 2 * HZ);
 		handled |= IPW_INTA_BIT_RF_KILL_DONE;
@@ -2506,7 +2509,7 @@ static int ipw_send_power_mode(struct ip
 		break;
 	}
 
-	param = cpu_to_le32(mode);
+	param = cpu_to_le32(param);
 	return ipw_send_cmd_pdu(priv, IPW_CMD_POWER_MODE, sizeof(param),
 				&param);
 }
@@ -4341,6 +4344,37 @@ static void ipw_handle_missed_beacon(str
 	IPW_DEBUG_NOTIF("Missed beacon: %d\n", missed_count);
 }
 
+static void ipw_scan_event(struct work_struct *work)
+{
+	union iwreq_data wrqu;
+
+	struct ipw_priv *priv =
+		container_of(work, struct ipw_priv, scan_event.work);
+
+	wrqu.data.length = 0;
+	wrqu.data.flags = 0;
+	wireless_send_event(priv->net_dev, SIOCGIWSCAN, &wrqu, NULL);
+}
+
+static void handle_scan_event(struct ipw_priv *priv)
+{
+	/* Only userspace-requested scan completion events go out immediately */
+	if (!priv->user_requested_scan) {
+		if (!delayed_work_pending(&priv->scan_event))
+			queue_delayed_work(priv->workqueue, &priv->scan_event,
+					 round_jiffies(msecs_to_jiffies(4000)));
+	} else {
+		union iwreq_data wrqu;
+
+		priv->user_requested_scan = 0;
+		cancel_delayed_work(&priv->scan_event);
+
+		wrqu.data.length = 0;
+		wrqu.data.flags = 0;
+		wireless_send_event(priv->net_dev, SIOCGIWSCAN, &wrqu, NULL);
+	}
+}
+
 /**
  * Handle host notification packet.
  * Called from interrupt routine
@@ -4690,7 +4724,8 @@ static void ipw_rx_notification(struct i
 			else if (priv->config & CFG_BACKGROUND_SCAN
 				 && priv->status & STATUS_ASSOCIATED)
 				queue_delayed_work(priv->workqueue,
-						   &priv->request_scan, HZ);
+						   &priv->request_scan,
+						   round_jiffies(HZ));
 
 			/* Send an empty event to user space.
 			 * We don't send the received data on the event because
@@ -4701,14 +4736,8 @@ static void ipw_rx_notification(struct i
 			 * on how the scan was initiated. User space can just
 			 * sync on periodic scan to get fresh data...
 			 * Jean II */
-			if (x->status == SCAN_COMPLETED_STATUS_COMPLETE) {
-				union iwreq_data wrqu;
-
-				wrqu.data.length = 0;
-				wrqu.data.flags = 0;
-				wireless_send_event(priv->net_dev, SIOCGIWSCAN,
-						    &wrqu, NULL);
-			}
+			if (x->status == SCAN_COMPLETED_STATUS_COMPLETE)
+				handle_scan_event(priv);
 			break;
 		}
 
@@ -9471,6 +9500,10 @@ static int ipw_wx_set_scan(struct net_de
 	struct ipw_priv *priv = ieee80211_priv(dev);
 	struct iw_scan_req *req = (struct iw_scan_req *)extra;
 
+	mutex_lock(&priv->mutex);
+	priv->user_requested_scan = 1;
+	mutex_unlock(&priv->mutex);
+
 	if (wrqu->data.length == sizeof(struct iw_scan_req)) {
 		if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
 			ipw_request_direct_scan(priv, req->essid,
@@ -9567,6 +9600,7 @@ static int ipw_wx_set_power(struct net_d
 		priv->power_mode = IPW_POWER_ENABLED | IPW_POWER_BATTERY;
 	else
 		priv->power_mode = IPW_POWER_ENABLED | priv->power_mode;
+
 	err = ipw_send_power_mode(priv, IPW_POWER_LEVEL(priv->power_mode));
 	if (err) {
 		IPW_DEBUG_WX("failed setting power mode.\n");
@@ -9603,22 +9637,19 @@ static int ipw_wx_set_powermode(struct n
 	struct ipw_priv *priv = ieee80211_priv(dev);
 	int mode = *(int *)extra;
 	int err;
+
 	mutex_lock(&priv->mutex);
-	if ((mode < 1) || (mode > IPW_POWER_LIMIT)) {
+	if ((mode < 1) || (mode > IPW_POWER_LIMIT))
 		mode = IPW_POWER_AC;
-		priv->power_mode = mode;
-	} else {
-		priv->power_mode = IPW_POWER_ENABLED | mode;
-	}
 
-	if (priv->power_mode != mode) {
+	if (IPW_POWER_LEVEL(priv->power_mode) != mode) {
 		err = ipw_send_power_mode(priv, mode);
-
 		if (err) {
 			IPW_DEBUG_WX("failed setting power mode.\n");
 			mutex_unlock(&priv->mutex);
 			return err;
 		}
+		priv->power_mode = IPW_POWER_ENABLED | mode;
 	}
 	mutex_unlock(&priv->mutex);
 	return 0;
@@ -10554,7 +10585,7 @@ static irqreturn_t ipw_isr(int irq, void
 	spin_lock(&priv->irq_lock);
 
 	if (!(priv->status & STATUS_INT_ENABLED)) {
-		/* Shared IRQ */
+		/* IRQ is disabled */
 		goto none;
 	}
 
@@ -10648,6 +10679,7 @@ static void ipw_link_up(struct ipw_priv 
 	}
 
 	cancel_delayed_work(&priv->request_scan);
+	cancel_delayed_work(&priv->scan_event);
 	ipw_reset_stats(priv);
 	/* Ensure the rate is updated immediately */
 	priv->last_rate = ipw_get_current_rate(priv);
@@ -10685,7 +10717,8 @@ static void ipw_link_down(struct ipw_pri
 	if (!(priv->status & STATUS_EXIT_PENDING)) {
 		/* Queue up another scan... */
 		queue_delayed_work(priv->workqueue, &priv->request_scan, 0);
-	}
+	} else
+		cancel_delayed_work(&priv->scan_event);
 }
 
 static void ipw_bg_link_down(struct work_struct *work)
@@ -10715,6 +10748,7 @@ static int ipw_setup_deferred_work(struc
 	INIT_WORK(&priv->up, ipw_bg_up);
 	INIT_WORK(&priv->down, ipw_bg_down);
 	INIT_DELAYED_WORK(&priv->request_scan, ipw_request_scan);
+	INIT_DELAYED_WORK(&priv->scan_event, ipw_scan_event);
 	INIT_WORK(&priv->request_passive_scan, ipw_request_passive_scan);
 	INIT_DELAYED_WORK(&priv->gather_stats, ipw_bg_gather_stats);
 	INIT_WORK(&priv->abort_scan, ipw_bg_abort_scan);
@@ -11747,6 +11781,7 @@ static void ipw_pci_remove(struct pci_de
 	cancel_delayed_work(&priv->adhoc_check);
 	cancel_delayed_work(&priv->gather_stats);
 	cancel_delayed_work(&priv->request_scan);
+	cancel_delayed_work(&priv->scan_event);
 	cancel_delayed_work(&priv->rf_kill);
 	cancel_delayed_work(&priv->scan_check);
 	destroy_workqueue(priv->workqueue);

--- drivers/net/wireless/ipw2200.h	2007-10-09 22:31:38.000000000 +0200
+++ ../linux-2.6.23/drivers/net/wireless/ipw2200.h	2007-11-29 18:48:10.000000000 +0100
@@ -1288,6 +1288,8 @@ struct ipw_priv {
 
 	struct iw_public_data wireless_data;
 
+	int user_requested_scan;
+
 	struct workqueue_struct *workqueue;
 
 	struct delayed_work adhoc_check;
@@ -1296,6 +1298,7 @@ struct ipw_priv {
 	struct work_struct system_config;
 	struct work_struct rx_replenish;
 	struct delayed_work request_scan;
+	struct delayed_work scan_event;
   	struct work_struct request_passive_scan;
 	struct work_struct adapter_restart;
 	struct delayed_work rf_kill;