linux-kernel - [PATCH 5.12 437/700] mt76: connac: alaways wake the device before scanning

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Date:   Mon, 12 Jul 2021 08:08:40 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Lorenzo Bianconi <lorenzo@...nel.org>,
        Felix Fietkau <nbd@....name>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 437/700] mt76: connac: alaways wake the device before scanning

From: Lorenzo Bianconi <lorenzo@...nel.org>

[ Upstream commit a61826203ba8806b4cdffd36bafdce3e9ad35c24 ]

move scanning check from mt76_connac_power_save_sched routine
to mt7921_pm_power_save_work/mt7615_pm_power_save_work ones

Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
Signed-off-by: Felix Fietkau <nbd@....name>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/mediatek/mt76/mt7615/mac.c      | 4 ++++
 drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c | 8 --------
 drivers/net/wireless/mediatek/mt76/mt7921/mac.c      | 4 ++++
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index 8dccb589b756..d06e61cadc41 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -1890,6 +1890,10 @@ void mt7615_pm_power_save_work(struct work_struct *work)
 						pm.ps_work.work);
 
 	delta = dev->pm.idle_timeout;
+	if (test_bit(MT76_HW_SCANNING, &dev->mphy.state) ||
+	    test_bit(MT76_HW_SCHED_SCANNING, &dev->mphy.state))
+		goto out;
+
 	if (time_is_after_jiffies(dev->pm.last_activity + delta)) {
 		delta = dev->pm.last_activity + delta - jiffies;
 		goto out;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
index c5f5037f5757..cff60b699e31 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
@@ -16,10 +16,6 @@ int mt76_connac_pm_wake(struct mt76_phy *phy, struct mt76_connac_pm *pm)
 	if (!test_bit(MT76_STATE_PM, &phy->state))
 		return 0;
 
-	if (test_bit(MT76_HW_SCANNING, &phy->state) ||
-	    test_bit(MT76_HW_SCHED_SCANNING, &phy->state))
-		return 0;
-
 	if (queue_work(dev->wq, &pm->wake_work))
 		reinit_completion(&pm->wake_cmpl);
 
@@ -45,10 +41,6 @@ void mt76_connac_power_save_sched(struct mt76_phy *phy,
 
 	pm->last_activity = jiffies;
 
-	if (test_bit(MT76_HW_SCANNING, &phy->state) ||
-	    test_bit(MT76_HW_SCHED_SCANNING, &phy->state))
-		return;
-
 	if (!test_bit(MT76_STATE_PM, &phy->state))
 		queue_delayed_work(dev->wq, &pm->ps_work, pm->idle_timeout);
 }
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 39be2e396269..c4b144391a8e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1524,6 +1524,10 @@ void mt7921_pm_power_save_work(struct work_struct *work)
 						pm.ps_work.work);
 
 	delta = dev->pm.idle_timeout;
+	if (test_bit(MT76_HW_SCANNING, &dev->mphy.state) ||
+	    test_bit(MT76_HW_SCHED_SCANNING, &dev->mphy.state))
+		goto out;
+
 	if (time_is_after_jiffies(dev->pm.last_activity + delta)) {
 		delta = dev->pm.last_activity + delta - jiffies;
 		goto out;
-- 
2.30.2