linux-kernel - [PATCH 5.12 064/363] mt76: mt7615: support loading EEPROM for MT7613BE

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Message-Id: <20210517140304.771172903@linuxfoundation.org>
Date:   Mon, 17 May 2021 15:58:50 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Georgi Vlaev <georgi.vlaev@...sulko.com>,
        Stijn Segers <foss@...atilesystems.org>,
        Sander Vanheule <sander@...nheule.net>,
        Felix Fietkau <nbd@....name>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 064/363] mt76: mt7615: support loading EEPROM for MT7613BE

From: Sander Vanheule <sander@...nheule.net>

[ Upstream commit 858ebf446bee7d5077bd99488aae617908c3f4fe ]

EEPROM blobs for MT7613BE radios start with (little endian) 0x7663,
which is also the PCI device ID for this device. The EEPROM is required
for the radio to work at useful power levels, otherwise only the lowest
power level is available.

Suggested-by: Georgi Vlaev <georgi.vlaev@...sulko.com>
Tested-by: Stijn Segers <foss@...atilesystems.org>
Signed-off-by: Sander Vanheule <sander@...nheule.net>
Signed-off-by: Felix Fietkau <nbd@....name>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
index 2eab23898c77..6dbaaf95ee38 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
@@ -86,6 +86,7 @@ static int mt7615_check_eeprom(struct mt76_dev *dev)
 	switch (val) {
 	case 0x7615:
 	case 0x7622:
+	case 0x7663:
 		return 0;
 	default:
 		return -EINVAL;
-- 
2.30.2