* [PATCH] mt76: mt7615: avoid scheduling runtime-pm during hw scan
@ 2020-07-07 21:23 Lorenzo Bianconi
0 siblings, 0 replies; only message in thread
From: Lorenzo Bianconi @ 2020-07-07 21:23 UTC (permalink / raw)
To: nbd; +Cc: linux-wireless, lorenzo.bianconi, sean.wang
Do not schedule ps_work during hw scanning or hw scheduled frequency
scan
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index ea9128b4ae09..f0034e87c600 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -1908,12 +1908,21 @@ void mt7615_pm_power_save_sched(struct mt7615_dev *dev)
{
struct mt76_phy *mphy = dev->phy.mt76;
- if (!mt7615_firmware_offload(dev) ||
- !dev->pm.enable || !mt76_is_mmio(mphy->dev) ||
- !test_bit(MT76_STATE_RUNNING, &mphy->state))
+ if (!mt7615_firmware_offload(dev))
+ return;
+
+ if (!mt76_is_mmio(mphy->dev))
+ return;
+
+ if (!dev->pm.enable || !test_bit(MT76_STATE_RUNNING, &mphy->state))
return;
dev->pm.last_activity = jiffies;
+
+ if (test_bit(MT76_HW_SCANNING, &mphy->state) ||
+ test_bit(MT76_HW_SCHED_SCANNING, &mphy->state))
+ return;
+
if (!test_bit(MT76_STATE_PM, &mphy->state))
queue_delayed_work(dev->mt76.wq, &dev->pm.ps_work,
dev->pm.idle_timeout);
--
2.26.2
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