diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2021-06-05 14:46:03 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-06-19 10:22:48 +0300 |
| commit | 271fa685365842962f56651c9d1a33a0d0d3b30b (patch) | |
| tree | 75857f017e5c84d41704e554b0d2a41c5daa2cd2 /drivers/net/wireless/mediatek/mt76 | |
| parent | 6ab079e2aba283e3e356cc60dd3d0648adc15b1d (diff) | |
| download | linux-271fa685365842962f56651c9d1a33a0d0d3b30b.tar.xz | |
mt76: mt7921: wake the device before dumping power table
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 table")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index 6ee423dd4027..6602903c0d02 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; |