diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2021-08-18 11:20:57 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-10-20 11:36:38 +0300 |
| commit | 569008744178b672ea3ad9047fa3098f1b73ca55 (patch) | |
| tree | 9064478d821be1f7d6dd09e50da9ba974b686d14 | |
| parent | 6e5ceaff752859cc80d60a1d2079a8c061c8bb1e (diff) | |
| download | linux-569008744178b672ea3ad9047fa3098f1b73ca55.tar.xz | |
mt76: mt7921: always wake device if necessary in debugfs
Add missing device wakeup in debugfs code if we are accessing chip
registers.
Fixes: 1d8efc741df8 ("mt76: mt7921: introduce Runtime PM support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index 29a24e768617..599e6e53e94f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c @@ -95,6 +95,8 @@ mt7921_tx_stats_show(struct seq_file *file, void *data) struct mt7921_dev *dev = file->private; int stat[8], i, n; + mt7921_mutex_acquire(dev); + mt7921_ampdu_stat_read_phy(&dev->phy, file); /* Tx amsdu info */ @@ -104,6 +106,8 @@ mt7921_tx_stats_show(struct seq_file *file, void *data) n += stat[i]; } + mt7921_mutex_release(dev); + for (i = 0; i < ARRAY_SIZE(stat); i++) { seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ", i + 1, stat[i]); @@ -124,6 +128,8 @@ mt7921_queues_acq(struct seq_file *s, void *data) struct mt7921_dev *dev = dev_get_drvdata(s->private); int i; + mt7921_mutex_acquire(dev); + for (i = 0; i < 16; i++) { int j, acs = i / 4, index = i % 4; u32 ctrl, val, qlen = 0; @@ -143,6 +149,8 @@ mt7921_queues_acq(struct seq_file *s, void *data) seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen); } + mt7921_mutex_release(dev); + return 0; } |