linux-kernel - [PATCH 1/2] wifi: mt76: mt7915: fix EEPROM offset of TSSI flag on MT7981

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Message-ID: <58c999ad9fd073183bec5532fe62782b7d4be0d5.1699310162.git.daniel@makrotopia.org>
Date:   Mon, 6 Nov 2023 22:38:53 +0000
From:   Daniel Golle <daniel@...rotopia.org>
To:     Felix Fietkau <nbd@....name>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Shayne Chen <shayne.chen@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Kalle Valo <kvalo@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Daniel Golle <daniel@...rotopia.org>,
        StanleyYP Wang <StanleyYP.Wang@...iatek.com>,
        Peter Chiu <chui-hao.chiu@...iatek.com>,
        Howard Hsu <howard-yh.hsu@...iatek.com>,
        Rany Hany <rany_hany@...eup.net>,
        Simon Horman <horms@...nel.org>,
        Alexander Couzens <lynxis@...0.eu>,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH 1/2] wifi: mt76: mt7915: fix EEPROM offset of TSSI flag on
 MT7981

From: StanleyYP Wang <StanleyYP.Wang@...iatek.com>

The offset of the TSSI flag on the EEPROM of MT7981 devices was wrong.
Set the correct offset instead.

Fixes: 6bad146d162e ("wifi: mt76: mt7915: add support for MT7981")
Signed-off-by: StanleyYP Wang <StanleyYP.Wang@...iatek.com>
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
index f3e56817d36e9..adc26a222823b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
@@ -144,7 +144,8 @@ static inline bool
 mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
 {
 	u8 *eep = dev->mt76.eeprom.data;
-	u8 val = eep[MT_EE_WIFI_CONF + 7];
+	u8 offs = is_mt7981(&dev->mt76) ? 8 : 7;
+	u8 val = eep[MT_EE_WIFI_CONF + offs];
 
 	if (band == NL80211_BAND_2GHZ)
 		return val & MT_EE_WIFI_CONF7_TSSI0_2G;
-- 
2.42.0