diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index b55fb3529a4b2c527971d2410bc2bd3d16e10d1a..0e6c299fc0a408d86a5db2d76321f180d46a481d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -1317,7 +1317,7 @@ mt7915_mcu_wtbl_ba_tlv(struct sk_buff *skb,
 		ba->rst_ba_sb = 1;
 	}
 
-	if (enable && tx)
+	if (enable)
 		ba->ba_winsize = cpu_to_le16(params->buf_size);
 }
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index e68a562cc5b4f61b86119b4cb710f82292101d64..83cbb99cd723cca985a05488f20dc973a1556a8e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -716,6 +716,7 @@ struct wtbl_ba {
 	__le16 sn;
 	u8 ba_en;
 	u8 ba_winsize_idx;
+	/* originator & recipient */
 	__le16 ba_winsize;
 	/* recipient only */
 	u8 peer_addr[ETH_ALEN];