netdev - [PATCH] mt76: move spin_lock_bh to spin

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Message-Id: <20210910053928.7254-1-liu.airalert@gmail.com>
Date:   Fri, 10 Sep 2021 13:39:28 +0800
From:   Xingbang Liu <liu.airalert@...il.com>
To:     nbd@....name, lorenzo.bianconi83@...il.com, kvalo@...eaurora.org,
        davem@...emloft.net, kuba@...nel.org, matthias.bgg@...il.com
Cc:     ryder.lee@...iatek.com, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, Xingbang Liu <liu.airalert@...il.com>
Subject: [PATCH] mt76: move spin_lock_bh to spin_lock in tasklet

as you are already in a tasklet, it is unnecessary to call spin_lock_bh.

Signed-off-by: Xingbang Liu <liu.airalert@...il.com>
---
 drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
index b50084bbe83d..00b9d9efc5a9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
@@ -53,7 +53,7 @@ static void mt76x02_pre_tbtt_tasklet(struct tasklet_struct *t)
 		mt76_skb_set_moredata(data.tail[i], false);
 	}
 
-	spin_lock_bh(&q->lock);
+	spin_lock(&q->lock);
 	while ((skb = __skb_dequeue(&data.q)) != NULL) {
 		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 		struct ieee80211_vif *vif = info->control.vif;
@@ -61,7 +61,7 @@ static void mt76x02_pre_tbtt_tasklet(struct tasklet_struct *t)
 
 		mt76_tx_queue_skb(dev, q, skb, &mvif->group_wcid, NULL);
 	}
-	spin_unlock_bh(&q->lock);
+	spin_unlock(&q->lock);
 }
 
 static void mt76x02e_pre_tbtt_enable(struct mt76x02_dev *dev, bool en)
-- 
2.30.2