From b45cb95c51dbe6118d9133255eceafe765765be8 Mon Sep 17 00:00:00 2001
From: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Date: Tue, 7 Mar 2023 17:05:01 +0800
Subject: [PATCH 21/29] wifi: mt76: mt7996: Fix using the wrong phy for
 background radar event

Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
---
 mt7996/mcu.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/mt7996/mcu.c b/mt7996/mcu.c
index ed1abe1..cc6c6a4 100644
--- a/mt7996/mcu.c
+++ b/mt7996/mcu.c
@@ -339,10 +339,15 @@ mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb)
 	if (r->band_idx >= ARRAY_SIZE(dev->mt76.phys))
 		return;
 
-	mphy = dev->mt76.phys[r->band_idx];
+	if (dev->rdd2_phy && r->band_idx == MT_RX_SEL2)
+		mphy = dev->rdd2_phy->mt76;
+	else
+		mphy = dev->mt76.phys[r->band_idx];
+
 	if (!mphy)
 		return;
 
+	/* TODO: check fw background chain's rdd idx */
 	if (r->band_idx == MT_RX_SEL2)
 		cfg80211_background_radar_event(mphy->hw->wiphy,
 						&dev->rdd2_chandef,
-- 
2.18.0