From b7263a2982bc8b6f2ba58eb2e066eb55ff598193 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 3 Dec 2021 20:09:04 +0100
Subject: [PATCH] mt76: mt7615: in debugfs queue stats, skip wmm index 3 on mt7663
Git-commit: b7263a2982bc8b6f2ba58eb2e066eb55ff598193
Patch-mainline: v5.17-rc1
References: bsc#1209980
The hardware only supports WMM index 0-2 and registers for index 3 return
bogus data.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
index 6fd6f067da49..b53528014fbc 100644
--- 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);
--
2.35.3