cfg80211: take WoWLAN support information out of wiphy struct

There's no need to take up the space for devices that don't
support WoWLAN, and most drivers can even make the support
data static const (except where it's modified at runtime.)

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 5c9736a..f7995b2 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -3679,6 +3679,20 @@
 	return NULL;
 }
 
+#ifdef CONFIG_PM
+static const struct wiphy_wowlan_support ath6kl_wowlan_support = {
+	.flags = WIPHY_WOWLAN_MAGIC_PKT |
+		 WIPHY_WOWLAN_DISCONNECT |
+		 WIPHY_WOWLAN_GTK_REKEY_FAILURE  |
+		 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
+		 WIPHY_WOWLAN_EAP_IDENTITY_REQ   |
+		 WIPHY_WOWLAN_4WAY_HANDSHAKE,
+	.n_patterns = WOW_MAX_FILTERS_PER_LIST,
+	.pattern_min_len = 1,
+	.pattern_max_len = WOW_PATTERN_SIZE,
+};
+#endif
+
 int ath6kl_cfg80211_init(struct ath6kl *ar)
 {
 	struct wiphy *wiphy = ar->wiphy;
@@ -3772,15 +3786,7 @@
 	wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
 
 #ifdef CONFIG_PM
-	wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
-			      WIPHY_WOWLAN_DISCONNECT |
-			      WIPHY_WOWLAN_GTK_REKEY_FAILURE  |
-			      WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
-			      WIPHY_WOWLAN_EAP_IDENTITY_REQ   |
-			      WIPHY_WOWLAN_4WAY_HANDSHAKE;
-	wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST;
-	wiphy->wowlan.pattern_min_len = 1;
-	wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
+	wiphy->wowlan = &ath6kl_wowlan_support;
 #endif
 
 	wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;