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Commit de4e6038 authored by Sean Wang's avatar Sean Wang Committed by Greg Kroah-Hartman
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mt76: mt7663s: fix the possible device hang in high traffic


[ Upstream commit 45247a85 ]

Use the additional memory barrier to ensure the skb list up-to-date
between the skb producer and consumer to avoid the invalid skb content
written into sdio controller and then cause device hang due to mcu assert
caught by WR_TIMEOUT_INT.

Fixes: 1522ff73 ("mt76: mt7663s: introduce sdio tx aggregation")
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 188dfc47
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