linux-kernel - [PATCH AUTOSEL 4.19 21/25] wifi: rt2x00: correctly set BBP register 86 for MT7620

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Message-Id: <20221009222436.1219411-21-sashal@kernel.org>
Date:   Sun,  9 Oct 2022 18:24:26 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Daniel Golle <daniel@...rotopia.org>,
        Serge Vasilugin <vasilugin@...dex.ru>,
        Stanislaw Gruszka <stf_xl@...pl>,
        Kalle Valo <kvalo@...nel.org>, Sasha Levin <sashal@...nel.org>,
        helmut.schaa@...glemail.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 21/25] wifi: rt2x00: correctly set BBP register 86 for MT7620

From: Daniel Golle <daniel@...rotopia.org>

[ Upstream commit c9aada64fe6493461127f1522d7e2f01792d2424 ]

Instead of 0 set the correct value for BBP register 86 for MT7620.

Reported-by: Serge Vasilugin <vasilugin@...dex.ru>
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
Acked-by: Stanislaw Gruszka <stf_xl@...pl>
Signed-off-by: Kalle Valo <kvalo@...nel.org>
Link: https://lore.kernel.org/r/257267247ee4fa7ebc6a5d0c4948b3f8119c0d77.1663445157.git.daniel@makrotopia.org
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 9469517ac65f..c9fa56b721b2 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -3658,7 +3658,10 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 		rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
 		rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
 		rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
-		rt2800_bbp_write(rt2x00dev, 86, 0);
+		if (rt2x00_rt(rt2x00dev, RT6352))
+			rt2800_bbp_write(rt2x00dev, 86, 0x38);
+		else
+			rt2800_bbp_write(rt2x00dev, 86, 0);
 	}
 
 	if (rf->channel <= 14) {
-- 
2.35.1