mt76: mt7615: in debugfs queue stats, skip wmm index 3 on mt7663

The hardware only supports WMM index 0-2 and registers for index 3 return
bogus data.

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

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
index 6fd6f067da49f73e2a51ee2ec0d27d58ce09862b..b53528014fbccfed0ee87b3929d59c6e1dd1ba21 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
@@ -359,6 +359,9 @@ mt7615_queues_acq(struct seq_file *s, void *data)
                int acs = i / MT7615_MAX_WMM_SETS;
                u32 ctrl, val, qlen = 0;
 
+               if (wmm_idx == 3 && is_mt7663(&dev->mt76))
+                       continue;
+
                val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, wmm_idx));
                ctrl = BIT(31) | BIT(15) | (acs << 8);