mt76: mt7921: run mt7921_mcu_fw_log_2_host holding mt76 mutex

[ Upstream commit 987c8fb4de437344f19a23d074c06faf67520a11 ]

Wake the chip before configuring the mcu log level

Fixes: 1d8efc741df8 ("mt76: mt7921: introduce Runtime PM support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
index 6aa11ca6fc81a3557ace4ee27ac7f9515ebda925..87a7ea12f3b3c7ff42909feded159d00ab7afbb4 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
@@ -9,10 +9,13 @@ mt7921_fw_debug_set(void *data, u64 val)
 {
        struct mt7921_dev *dev = data;
 
-       dev->fw_debug = (u8)val;
+       mt7921_mutex_acquire(dev);
 
+       dev->fw_debug = (u8)val;
        mt7921_mcu_fw_log_2_host(dev, dev->fw_debug);
 
+       mt7921_mutex_release(dev);
+
        return 0;
 }