From: Lorenzo Bianconi Date: Sat, 5 Jun 2021 11:46:03 +0000 (+0200) Subject: mt76: mt7921: wake the device before dumping power table X-Git-Tag: v5.15~843^2~30^2~25^2~31 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=271fa685365842962f56651c9d1a33a0d0d3b30b;p=platform%2Fkernel%2Flinux-starfive.git mt76: mt7921: wake the device before dumping power table 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 Signed-off-by: Felix Fietkau --- diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index 6ee423d..6602903 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;