openwrtv4/package/mac80211/patches/404-ath_regd_optional.patch

--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -185,6 +185,10 @@ ath_reg_apply_beaconing_flags(struct wip
 	u32 bandwidth = 0;
 	int r;
 
+#ifdef ATH_USER_REGD
+	return;
+#endif
+
 	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
 
 		if (!wiphy->bands[band])
@@ -244,6 +248,10 @@ ath_reg_apply_active_scan_flags(struct w
 	u32 bandwidth = 0;
 	int r;
 
+#ifdef ATH_USER_REGD
+	return;
+#endif
+
 	sband = wiphy->bands[IEEE80211_BAND_2GHZ];
 
 	/*
@@ -291,6 +299,10 @@ static void ath_reg_apply_radar_flags(st
 	struct ieee80211_channel *ch;
 	unsigned int i;
 
+#ifdef ATH_USER_REGD
+	return;
+#endif
+
 	if (!wiphy->bands[IEEE80211_BAND_5GHZ])
 		return;
 
@@ -457,6 +469,10 @@ ath_regd_init_wiphy(struct ath_regulator
 {
 	const struct ieee80211_regdomain *regd;
 
+#ifdef ATH_USER_REGD
+	return 0;
+#endif
+
 	wiphy->reg_notifier = reg_notifier;
 	wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;