Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.13 505/800] mt76: mt7921: wake the device before dumping power table | Date | Mon, 12 Jul 2021 08:08:48 +0200 |
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From: Lorenzo Bianconi <lorenzo@kernel.org>
[ Upstream commit 271fa685365842962f56651c9d1a33a0d0d3b30b ]
Always wake the device up before dumping the single_sku power table otherwise the device can hang.
Fixes: ea29acc97c555 ("mt76: mt7921: add dumping Tx power table") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index 6ee423dd4027..6602903c0d02 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c @@ -184,7 +184,10 @@ mt7921_txpwr(struct seq_file *s, void *data) struct mt7921_txpwr txpwr; int ret; + mt7921_mutex_acquire(dev); ret = mt7921_get_txpwr_info(dev, &txpwr); + mt7921_mutex_release(dev); + if (ret) return ret; -- 2.30.2
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