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Tue, 13 Apr 2021 00:26:26 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 13 Apr 2021 15:26:24 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 13 Apr 2021 15:26:24 +0800 From: Ryder Lee To: Felix Fietkau , Lorenzo Bianconi CC: Shayne Chen , , , Ryder Lee Subject: [PATCH 1/2] mt76: mt7615: only free skbs after mt7615_dma_reset() when reset happens Date: Tue, 13 Apr 2021 15:26:19 +0800 Message-ID: <1fc26bda42fcd85b4bcebc8520601c70b882aa34.1618297567.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210413_003020_154723_D8F8E495 X-CRM114-Status: UNSURE ( 9.24 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org In mt7615_mac_reset_work(), make sure freeing skbs after mt7615_dma_reset() and use ieee80211_free_txskb() in stead of to dev_kfree_skb_any() to report proper status. Signed-off-by: Ryder Lee --- drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 8 ++++++-- drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c | 3 +++ 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index 60aadf8a09cc..ce71e2c5a8d3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -2037,8 +2037,12 @@ void mt7615_tx_token_put(struct mt7615_dev *dev) spin_lock_bh(&dev->token_lock); idr_for_each_entry(&dev->token, txwi, id) { mt7615_txp_skb_unmap(&dev->mt76, txwi); - if (txwi->skb) - dev_kfree_skb_any(txwi->skb); + if (txwi->skb) { + struct ieee80211_hw *hw; + + hw = mt76_tx_status_get_hw(&dev->mt76, txwi->skb); + ieee80211_free_txskb(hw, txwi->skb); + } mt76_put_txwi(&dev->mt76, txwi); } spin_unlock_bh(&dev->token_lock); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c index 7694391603dd..bcc4344bbfc3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c @@ -310,6 +310,9 @@ void mt7615_mac_reset_work(struct work_struct *work) if (mt7615_wait_reset_state(dev, MT_MCU_CMD_RESET_DONE)) { mt7615_dma_reset(dev); + mt7615_tx_token_put(dev); + idr_init(&dev->token); + mt76_wr(dev, MT_WPDMA_MEM_RNG_ERR, 0); mt7615_hif_int_event_trigger(dev, MT_MCU_INT_EVENT_PDMA_INIT);