mt76: mt7603: fix ED/CCA monitoring with single-stream devices

Do not use the RSSI values of the unavailable chain

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
index 7f0e3df3a0948f1f1fded40bf745c1b7d198c7ff..cc4e7bc48294030051c9e9a5e9cb58a238c750a6 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
@@ -1631,9 +1631,13 @@ mt7603_edcca_check(struct mt7603_dev *dev)
        if (rssi0 > 128)
                rssi0 -= 256;
 
-       rssi1 = FIELD_GET(MT_AGC_41_RSSI_1, val);
-       if (rssi1 > 128)
-               rssi1 -= 256;
+       if (dev->mphy.antenna_mask & BIT(1)) {
+               rssi1 = FIELD_GET(MT_AGC_41_RSSI_1, val);
+               if (rssi1 > 128)
+                       rssi1 -= 256;
+       } else {
+               rssi1 = rssi0;
+       }
 
        if (max(rssi0, rssi1) >= -40 &&
            dev->ed_strong_signal < MT7603_EDCCA_BLOCK_TH)