Merge branch 'linus' into percpu-cpumask-x86-for-linus-2

Conflicts:
	arch/sparc/kernel/time_64.c
	drivers/gpu/drm/drm_proc.c

Manual merge to resolve build warning due to phys_addr_t type change
on x86:

	drivers/gpu/drm/drm_info.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 70 insertions, 8 deletions

diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 44525f51707..02730232649 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -10,6 +10,10 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
 	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_if_init_conf conf;
 	struct sta_info *sta;
+	unsigned long flags;
+
+	ieee80211_stop_queues_by_reason(hw,
+			IEEE80211_QUEUE_STOP_REASON_SUSPEND);
 
 	flush_workqueue(local->hw.workqueue);
 
@@ -17,10 +21,23 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
 	list_for_each_entry(sdata, &local->interfaces, list)
 		ieee80211_disable_keys(sdata);
 
-	/* remove STAs */
-	list_for_each_entry(sta, &local->sta_list, list) {
+	/* Tear down aggregation sessions */
+
+	rcu_read_lock();
+
+	if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
+		list_for_each_entry_rcu(sta, &local->sta_list, list) {
+			set_sta_flags(sta, WLAN_STA_SUSPEND);
+			ieee80211_sta_tear_down_BA_sessions(sta);
+		}
+	}
 
-		if (local->ops->sta_notify) {
+	rcu_read_unlock();
+
+	/* remove STAs */
+	if (local->ops->sta_notify) {
+		spin_lock_irqsave(&local->sta_lock, flags);
+		list_for_each_entry(sta, &local->sta_list, list) {
 			if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
 				sdata = container_of(sdata->bss,
 					     struct ieee80211_sub_if_data,
@@ -29,11 +46,11 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
 			local->ops->sta_notify(hw, &sdata->vif,
 				STA_NOTIFY_REMOVE, &sta->sta);
 		}
+		spin_unlock_irqrestore(&local->sta_lock, flags);
 	}
 
 	/* remove all interfaces */
 	list_for_each_entry(sdata, &local->interfaces, list) {
-
 		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 		    sdata->vif.type != NL80211_IFTYPE_MONITOR &&
 		    netif_running(sdata->dev)) {
@@ -61,6 +78,7 @@ int __ieee80211_resume(struct ieee80211_hw *hw)
 	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_if_init_conf conf;
 	struct sta_info *sta;
+	unsigned long flags;
 	int res;
 
 	/* restart hardware */
@@ -72,7 +90,6 @@ int __ieee80211_resume(struct ieee80211_hw *hw)
 
 	/* add interfaces */
 	list_for_each_entry(sdata, &local->interfaces, list) {
-
 		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 		    sdata->vif.type != NL80211_IFTYPE_MONITOR &&
 		    netif_running(sdata->dev)) {
@@ -84,9 +101,9 @@ int __ieee80211_resume(struct ieee80211_hw *hw)
 	}
 
 	/* add STAs back */
-	list_for_each_entry(sta, &local->sta_list, list) {
-
-		if (local->ops->sta_notify) {
+	if (local->ops->sta_notify) {
+		spin_lock_irqsave(&local->sta_lock, flags);
+		list_for_each_entry(sta, &local->sta_list, list) {
 			if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
 				sdata = container_of(sdata->bss,
 					     struct ieee80211_sub_if_data,
@@ -95,8 +112,21 @@ int __ieee80211_resume(struct ieee80211_hw *hw)
 			local->ops->sta_notify(hw, &sdata->vif,
 				STA_NOTIFY_ADD, &sta->sta);
 		}
+		spin_unlock_irqrestore(&local->sta_lock, flags);
 	}
 
+	/* Clear Suspend state so that ADDBA requests can be processed */
+
+	rcu_read_lock();
+
+	if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
+		list_for_each_entry_rcu(sta, &local->sta_list, list) {
+			clear_sta_flags(sta, WLAN_STA_SUSPEND);
+		}
+	}
+
+	rcu_read_unlock();
+
 	/* add back keys */
 	list_for_each_entry(sdata, &local->interfaces, list)
 		if (netif_running(sdata->dev))
@@ -113,5 +143,37 @@ int __ieee80211_resume(struct ieee80211_hw *hw)
 	ieee80211_configure_filter(local);
 	netif_addr_unlock_bh(local->mdev);
 
+	/* Finally also reconfigure all the BSS information */
+	list_for_each_entry(sdata, &local->interfaces, list) {
+		u32 changed = ~0;
+		if (!netif_running(sdata->dev))
+			continue;
+		switch (sdata->vif.type) {
+		case NL80211_IFTYPE_STATION:
+			/* disable beacon change bits */
+			changed &= ~IEEE80211_IFCC_BEACON;
+			/* fall through */
+		case NL80211_IFTYPE_ADHOC:
+		case NL80211_IFTYPE_AP:
+		case NL80211_IFTYPE_MESH_POINT:
+			WARN_ON(ieee80211_if_config(sdata, changed));
+			ieee80211_bss_info_change_notify(sdata, ~0);
+			break;
+		case NL80211_IFTYPE_WDS:
+			break;
+		case NL80211_IFTYPE_AP_VLAN:
+		case NL80211_IFTYPE_MONITOR:
+			/* ignore virtual */
+			break;
+		case NL80211_IFTYPE_UNSPECIFIED:
+		case __NL80211_IFTYPE_AFTER_LAST:
+			WARN_ON(1);
+			break;
+		}
+	}
+
+	ieee80211_wake_queues_by_reason(hw,
+			IEEE80211_QUEUE_STOP_REASON_SUSPEND);
+
 	return 0;
 }