| Message ID | 337a5087d6f696fa7ba9048fdcb342f0e96480cd.1622893491.git.lorenzo@kernel.org |
|---|---|
| State | New |
| Headers | show |
| Series | mt76: mt7921: wake the device before dumping power table | expand |
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index b41d70be948b..c8cba1821cd7 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;
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 tabl") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 3 +++ 1 file changed, 3 insertions(+)