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>, <robin.chiu@mediatek.com>, <ch.yeh@mediatek.com>, <posh.sun@mediatek.com>, <Eric.Liang@mediatek.com>, <Stella.Chang@mediatek.com>, <linux-wireless@vger.kernel.org>, <linux-mediatek@lists.infradead.org> Subject: [PATCH 2/2] mt76: mt7921: abort uncompleted scan by wifi reset Date: Thu, 15 Apr 2021 21:41:45 +0800 [thread overview] Message-ID: <1618494105-5462-2-git-send-email-sean.wang@mediatek.com> (raw) In-Reply-To: <1618494105-5462-1-git-send-email-sean.wang@mediatek.com> From: Sean Wang <sean.wang@mediatek.com> Scan abort should be required for the uncompleted hardware scan interrupted by wifi reset. Otherwise, it is possible that the scan request after wifi reset gets error code -EBUSY from mac80211 and then blocks the reconnectting to the access point. Fixes: 215bb6737bef ("mt76: mt7921: add wifi reset support") Signed-off-by: Sean Wang <sean.wang@mediatek.com> --- drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index 572bab82315a..3145880df6e7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -1413,6 +1413,14 @@ void mt7921_mac_reset_work(struct work_struct *work) if (i == 10) dev_err(dev->mt76.dev, "chip reset failed\n"); + if (test_and_clear_bit(MT76_HW_SCANNING, &dev->mphy.state)) { + struct cfg80211_scan_info info = { + .aborted = true, + }; + + ieee80211_scan_completed(dev->mphy.hw, &info); + } + ieee80211_wake_queues(hw); ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, -- 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>, <robin.chiu@mediatek.com>, <ch.yeh@mediatek.com>, <posh.sun@mediatek.com>, <Eric.Liang@mediatek.com>, <Stella.Chang@mediatek.com>, <linux-wireless@vger.kernel.org>, <linux-mediatek@lists.infradead.org> Subject: [PATCH 2/2] mt76: mt7921: abort uncompleted scan by wifi reset Date: Thu, 15 Apr 2021 21:41:45 +0800 [thread overview] Message-ID: <1618494105-5462-2-git-send-email-sean.wang@mediatek.com> (raw) In-Reply-To: <1618494105-5462-1-git-send-email-sean.wang@mediatek.com> From: Sean Wang <sean.wang@mediatek.com> Scan abort should be required for the uncompleted hardware scan interrupted by wifi reset. Otherwise, it is possible that the scan request after wifi reset gets error code -EBUSY from mac80211 and then blocks the reconnectting to the access point. Fixes: 215bb6737bef ("mt76: mt7921: add wifi reset support") Signed-off-by: Sean Wang <sean.wang@mediatek.com> --- drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index 572bab82315a..3145880df6e7 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -1413,6 +1413,14 @@ void mt7921_mac_reset_work(struct work_struct *work) if (i == 10) dev_err(dev->mt76.dev, "chip reset failed\n"); + if (test_and_clear_bit(MT76_HW_SCANNING, &dev->mphy.state)) { + struct cfg80211_scan_info info = { + .aborted = true, + }; + + ieee80211_scan_completed(dev->mphy.hw, &info); + } + ieee80211_wake_queues(hw); ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, -- 2.25.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek
next prev parent reply other threads:[~2021-04-15 13:41 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-15 13:41 [PATCH 1/2] mt76: mt7921: add debugfs knob for performing wifi reset sean.wang 2021-04-15 13:41 ` sean.wang 2021-04-15 13:41 ` sean.wang [this message] 2021-04-15 13:41 ` [PATCH 2/2] mt76: mt7921: abort uncompleted scan by " sean.wang 2021-04-15 13:53 ` [PATCH 1/2] mt76: mt7921: add debugfs knob for performing " Lorenzo Bianconi 2021-04-15 13:53 ` Lorenzo Bianconi 2021-04-15 14:53 ` sean.wang 2021-04-15 14:53 ` sean.wang 2021-04-15 15:07 ` Lorenzo Bianconi 2021-04-15 15:07 ` Lorenzo Bianconi
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