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* [PATCH] mt76: mt7615: reschedule runtime-pm receiving a tx interrupt
@ 2020-07-30  9:34 Lorenzo Bianconi
  0 siblings, 0 replies; only message in thread
From: Lorenzo Bianconi @ 2020-07-30  9:34 UTC (permalink / raw)
  To: nbd; +Cc: lorenzo.bianconi, sean.wang, linux-wireless

Reschedule runtime-pm after receiving a tx interrupt.
Update runtime-pm last activity before injecting packets

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt7615/dma.c  | 1 +
 drivers/net/wireless/mediatek/mt76/mt7615/mac.c  | 4 ++++
 drivers/net/wireless/mediatek/mt76/mt7615/main.c | 2 ++
 3 files changed, 7 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
index 1231a5ddf9ea..c876eb1e1681 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
@@ -122,6 +122,7 @@ static int mt7615_poll_tx(struct napi_struct *napi, int budget)
 
 	mt7615_tx_cleanup(dev);
 
+	mt7615_pm_power_save_sched(dev);
 	tasklet_schedule(&dev->mt76.tx_tasklet);
 
 	return 0;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index 3dd8dd28690e..28f7d26a7ca2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -1439,10 +1439,14 @@ static void mt7615_mac_tx_free(struct mt7615_dev *dev, struct sk_buff *skb)
 
 	dev_kfree_skb(skb);
 
+	if (test_bit(MT76_STATE_PM, &dev->phy.mt76->state))
+		return;
+
 	rcu_read_lock();
 	mt7615_mac_sta_poll(dev);
 	rcu_read_unlock();
 
+	mt7615_pm_power_save_sched(dev);
 	tasklet_schedule(&dev->mt76.tx_tasklet);
 }
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index bafe2bdeb5eb..9972853f4a29 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -706,6 +706,7 @@ mt7615_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
 		return;
 	}
 
+	dev->pm.last_activity = jiffies;
 	tasklet_schedule(&dev->mt76.tx_tasklet);
 }
 
@@ -735,6 +736,7 @@ static void mt7615_tx(struct ieee80211_hw *hw,
 	}
 
 	if (!test_bit(MT76_STATE_PM, &mphy->state)) {
+		dev->pm.last_activity = jiffies;
 		mt76_tx(mphy, control->sta, wcid, skb);
 		return;
 	}
-- 
2.26.2


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2020-07-30  9:34 [PATCH] mt76: mt7615: reschedule runtime-pm receiving a tx interrupt Lorenzo Bianconi

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