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[PATCH] mt76: mt7615: reschedule ps work according to last activity

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Reschedule runtime-pm delayed work if there is a new activity when ps
delayed work is already scheduled

Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
 drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index f0034e87c600..d75f4b1e05bf 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -1932,13 +1932,21 @@ EXPORT_SYMBOL_GPL(mt7615_pm_power_save_sched);
 void mt7615_pm_power_save_work(struct work_struct *work)
 {
 	struct mt7615_dev *dev;
+	unsigned long delta;
 
 	dev = (struct mt7615_dev *)container_of(work, struct mt7615_dev,
 						pm.ps_work.work);
 
-	if (mt7615_firmware_own(dev))
-		queue_delayed_work(dev->mt76.wq, &dev->pm.ps_work,
-				   dev->pm.idle_timeout);
+	delta = dev->pm.idle_timeout;
+	if (time_is_after_jiffies(dev->pm.last_activity + delta)) {
+		delta = dev->pm.last_activity + delta - jiffies;
+		goto out;
+	}
+
+	if (!mt7615_firmware_own(dev))
+		return;
+out:
+	queue_delayed_work(dev->mt76.wq, &dev->pm.ps_work, delta);
 }
 
 static void
-- 
2.26.2




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