[PATCH 05/17] mt76: mt7615: wake device before accessing regmap in debugfs

[Lorenzo Bianconi]

Make sure the device is in full-power before reading regs in debugfs

Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
index 8bb7c64db738..b4c196005ebf 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
@@ -167,9 +167,13 @@ mt7615_ampdu_stat_read(struct seq_file *file, void *data)
 {
 	struct mt7615_dev *dev = file->private;
 
+	mt7615_mutex_acquire(dev, &dev->mt76.mutex);
+
 	mt7615_ampdu_stat_read_phy(&dev->phy, file);
 	mt7615_ampdu_stat_read_phy(mt7615_ext_phy(dev), file);
 
+	mt7615_mutex_release(dev, &dev->mt76.mutex);
+
 	return 0;
 }
 
@@ -233,6 +237,8 @@ mt7615_queues_acq(struct seq_file *s, void *data)
 	struct mt7615_dev *dev = dev_get_drvdata(s->private);
 	int i;
 
+	mt7615_mutex_acquire(dev, &dev->mt76.mutex);
+
 	for (i = 0; i < 16; i++) {
 		int j, wmm_idx = i % MT7615_MAX_WMM_SETS;
 		int acs = i / MT7615_MAX_WMM_SETS;
@@ -253,6 +259,8 @@ mt7615_queues_acq(struct seq_file *s, void *data)
 		seq_printf(s, "AC%d%d: queued=%d\n", wmm_idx, acs, qlen);
 	}
 
+	mt7615_mutex_release(dev, &dev->mt76.mutex);
+
 	return 0;
 }
 
-- 
2.26.2