From 16d6dac00939970e7e715aaa115952f6736102b9 Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Wed, 15 Jan 2020 11:58:55 +0100
Subject: [PATCH] mt76: mt76u: take into account different queue mapping for 7663
Git-commit: 16d6dac00939970e7e715aaa115952f6736102b9
Patch-mainline: v5.7-rc1
References: jsc#SLE-13430

7663u devices rely on a different endpoint mapping. Take it into account
in mt76u_alloc_tx routine

Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/net/wireless/mediatek/mt76/usb.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
index 6b31a7a99072..1f29cd905fdd 100644
--- a/drivers/net/wireless/mediatek/mt76/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -964,6 +964,14 @@ static void mt76u_tx_kick(struct mt76_dev *dev, struct mt76_queue *q)
 	}
 }
 
+static u8 mt76u_ac_to_hwq(struct mt76_dev *dev, u8 ac)
+{
+	if (mt76_chip(dev) == 0x7663)
+		return ac ^ 0x3;
+
+	return mt76_ac_to_hwq(ac);
+}
+
 static int mt76u_alloc_tx(struct mt76_dev *dev)
 {
 	struct mt76_queue *q;
@@ -982,7 +990,7 @@ static int mt76u_alloc_tx(struct mt76_dev *dev)
 			return -ENOMEM;
 
 		spin_lock_init(&q->lock);
-		q->hw_idx = mt76_ac_to_hwq(i);
+		q->hw_idx = mt76u_ac_to_hwq(dev, i);
 		dev->q_tx[i].q = q;
 
 		q->entry = devm_kcalloc(dev->dev,
-- 
2.16.4