* [PATCH] mt76: mt7921: run mt7921_mcu_fw_log_2_host holding mt76 mutex
@ 2021-04-15 22:21 Lorenzo Bianconi
0 siblings, 0 replies; only message in thread
From: Lorenzo Bianconi @ 2021-04-15 22:21 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang
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>
---
drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
index 024524173115..48dc7daf975b 100644
--- 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;
}
--
2.30.2
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