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From: <sean.wang@mediatek.com>
To: <nbd@nbd.name>, <lorenzo.bianconi@redhat.com>
Cc: <sean.wang@mediatek.com>, <Soul.Huang@mediatek.com>,
	<YN.Chen@mediatek.com>, <Leon.Yen@mediatek.com>,
	<Eric-SY.Chang@mediatek.com>, <Deren.Wu@mediatek.com>,
	<km.lin@mediatek.com>, <robin.chiu@mediatek.com>,
	<ch.yeh@mediatek.com>, <posh.sun@mediatek.com>,
	<Eric.Liang@mediatek.com>, <Stella.Chang@mediatek.com>,
	<jemele@google.com>, <yenlinlai@google.com>,
	<linux-wireless@vger.kernel.org>,
	<linux-mediatek@lists.infradead.org>,
	Lorenzo Bianconi <lorenzo@kernel.org>
Subject: [PATCH 4/7] mt76: mt7921: avoid unnecessary consecutive WiFi resets
Date: Thu, 20 May 2021 11:46:38 +0800	[thread overview]
Message-ID: <1621482401-29025-4-git-send-email-sean.wang@mediatek.com> (raw)
In-Reply-To: <1621482401-29025-1-git-send-email-sean.wang@mediatek.com>

From: Sean Wang <sean.wang@mediatek.com>

Avoid unnecessary consecutive WiFi resets by dropping reset
request when reset work is working.

Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7921/mac.c    | 5 ++++-
 drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index ebd365ceb70d..fdc69f306f7e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1312,6 +1312,7 @@ void mt7921_mac_reset_work(struct work_struct *work)
 	int i;
 
 	dev_err(dev->mt76.dev, "chip reset\n");
+	dev->hw_full_reset = true;
 	ieee80211_stop_queues(hw);
 
 	cancel_delayed_work_sync(&dev->mphy.mac_work);
@@ -1338,6 +1339,7 @@ void mt7921_mac_reset_work(struct work_struct *work)
 		ieee80211_scan_completed(dev->mphy.hw, &info);
 	}
 
+	dev->hw_full_reset = false;
 	ieee80211_wake_queues(hw);
 	ieee80211_iterate_active_interfaces(hw,
 					    IEEE80211_IFACE_ITER_RESUME_ALL,
@@ -1349,7 +1351,8 @@ void mt7921_reset(struct mt76_dev *mdev)
 {
 	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
 
-	queue_work(dev->mt76.wq, &dev->reset_work);
+	if (!dev->hw_full_reset)
+		queue_work(dev->mt76.wq, &dev->reset_work);
 }
 
 static void
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 03bcb210c357..710ad242fd53 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -156,6 +156,7 @@ struct mt7921_dev {
 	u16 chainmask;
 
 	struct work_struct reset_work;
+	bool hw_full_reset;
 
 	struct list_head sta_poll_list;
 	spinlock_t sta_poll_lock;
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: <sean.wang@mediatek.com>
To: <nbd@nbd.name>, <lorenzo.bianconi@redhat.com>
Cc: <sean.wang@mediatek.com>, <Soul.Huang@mediatek.com>,
	<YN.Chen@mediatek.com>, <Leon.Yen@mediatek.com>,
	<Eric-SY.Chang@mediatek.com>, <Deren.Wu@mediatek.com>,
	<km.lin@mediatek.com>,  <robin.chiu@mediatek.com>,
	<ch.yeh@mediatek.com>, <posh.sun@mediatek.com>,
	<Eric.Liang@mediatek.com>, <Stella.Chang@mediatek.com>,
	<jemele@google.com>, <yenlinlai@google.com>,
	<linux-wireless@vger.kernel.org>,
	<linux-mediatek@lists.infradead.org>,
	Lorenzo Bianconi <lorenzo@kernel.org>
Subject: [PATCH 4/7] mt76: mt7921: avoid unnecessary consecutive WiFi resets
Date: Thu, 20 May 2021 11:46:38 +0800	[thread overview]
Message-ID: <1621482401-29025-4-git-send-email-sean.wang@mediatek.com> (raw)
In-Reply-To: <1621482401-29025-1-git-send-email-sean.wang@mediatek.com>

From: Sean Wang <sean.wang@mediatek.com>

Avoid unnecessary consecutive WiFi resets by dropping reset
request when reset work is working.

Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7921/mac.c    | 5 ++++-
 drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index ebd365ceb70d..fdc69f306f7e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1312,6 +1312,7 @@ void mt7921_mac_reset_work(struct work_struct *work)
 	int i;
 
 	dev_err(dev->mt76.dev, "chip reset\n");
+	dev->hw_full_reset = true;
 	ieee80211_stop_queues(hw);
 
 	cancel_delayed_work_sync(&dev->mphy.mac_work);
@@ -1338,6 +1339,7 @@ void mt7921_mac_reset_work(struct work_struct *work)
 		ieee80211_scan_completed(dev->mphy.hw, &info);
 	}
 
+	dev->hw_full_reset = false;
 	ieee80211_wake_queues(hw);
 	ieee80211_iterate_active_interfaces(hw,
 					    IEEE80211_IFACE_ITER_RESUME_ALL,
@@ -1349,7 +1351,8 @@ void mt7921_reset(struct mt76_dev *mdev)
 {
 	struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
 
-	queue_work(dev->mt76.wq, &dev->reset_work);
+	if (!dev->hw_full_reset)
+		queue_work(dev->mt76.wq, &dev->reset_work);
 }
 
 static void
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 03bcb210c357..710ad242fd53 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -156,6 +156,7 @@ struct mt7921_dev {
 	u16 chainmask;
 
 	struct work_struct reset_work;
+	bool hw_full_reset;
 
 	struct list_head sta_poll_list;
 	spinlock_t sta_poll_lock;
-- 
2.25.1
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  parent reply	other threads:[~2021-05-20  3:46 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-20  3:46 [PATCH RESEND 1/7] mt76: connac: add bss color support for sta mode sean.wang
2021-05-20  3:46 ` [PATCH 2/7] mt76: connac: update BA win size in Rx direction sean.wang
2021-05-20  3:46   ` sean.wang
2021-05-20  3:46 ` [PATCH 3/7] mt76: mt7921: fix reset under the deep sleep is enabled sean.wang
2021-05-20  3:46   ` sean.wang
2021-05-23 21:14   ` Lorenzo Bianconi
2021-05-23 21:14     ` Lorenzo Bianconi
2021-05-20  3:46 ` sean.wang [this message]
2021-05-20  3:46   ` [PATCH 4/7] mt76: mt7921: avoid unnecessary consecutive WiFi resets sean.wang
2021-05-20  3:46 ` [PATCH 5/7] mt76: mt7921: fix invalid register access in wake_work sean.wang
2021-05-20  3:46   ` sean.wang
2021-05-20  3:46 ` [PATCH 6/7] mt76: mt7921: fix OMAC idx usage sean.wang
2021-05-20  3:46   ` sean.wang
2021-05-20  3:46 ` [PATCH 7/7] mt76: mt7921: enable runtime pm by default sean.wang
2021-05-20  3:46   ` sean.wang

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