linux-kernel - [PATCH 6.6 255/638] wifi: mt76: mt7996: fix efuse reading issue

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Message-ID: <20240324230116.1348576-256-sashal@kernel.org>
Date: Sun, 24 Mar 2024 18:54:52 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: StanleyYP Wang <StanleyYP.Wang@...iatek.com>,
	Shayne Chen <shayne.chen@...iatek.com>,
	Felix Fietkau <nbd@....name>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 6.6 255/638] wifi: mt76: mt7996: fix efuse reading issue

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

[ Upstream commit d3ad99be7cc2d174126d908addd6bea2b157aa75 ]

The efuse data starts from the 48th bytes instead of 64th bytes in the
returned event skb.

Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: StanleyYP Wang <StanleyYP.Wang@...iatek.com>
Signed-off-by: Shayne Chen <shayne.chen@...iatek.com>
Signed-off-by: Felix Fietkau <nbd@....name>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/mediatek/mt76/mt7996/mcu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
index 650c43cb899f7..b4ea7d0a7f5a0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
@@ -3100,7 +3100,7 @@ int mt7996_mcu_get_eeprom(struct mt7996_dev *dev, u32 offset)
 		u32 addr = le32_to_cpu(*(__le32 *)(skb->data + 12));
 		u8 *buf = (u8 *)dev->mt76.eeprom.data + addr;
 
-		skb_pull(skb, 64);
+		skb_pull(skb, 48);
 		memcpy(buf, skb->data, MT7996_EEPROM_BLOCK_SIZE);
 	}
 
-- 
2.43.0