linux-kernel - [PATCH AUTOSEL 5.6 060/149] mt76: mt7615: disable 5 GHz on MT7622

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 11 Apr 2020 19:02:17 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Felix Fietkau <nbd@....name>, Sasha Levin <sashal@...nel.org>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.6 060/149] mt76: mt7615: disable 5 GHz on MT7622

From: Felix Fietkau <nbd@....name>

[ Upstream commit c3ad5e9d00af19c53dec1d8ae647a78ac377b593 ]

It is not supported by the chip, so avoid issues with potentially wrong
EEPROM configurations.

Signed-off-by: Felix Fietkau <nbd@....name>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
index 17e277bf39e0f..cb05a07135a03 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
@@ -111,6 +111,9 @@ static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
 		break;
 	}
 
+	if (is_mt7622(&dev->mt76))
+		dev->mt76.cap.has_5ghz = false;
+
 	/* read tx-rx mask from eeprom */
 	val = mt76_rr(dev, MT_TOP_STRAP_STA);
 	max_nss = val & MT_TOP_3NSS ? 3 : 4;
-- 
2.20.1