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@xxxxxxxxxx>
---
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 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;
--
2.31.1
