diff options
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 4ebc42e0271a..7b760752d2c1 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -536,7 +536,6 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, struct mtk_eth *eth = mac->hw; struct mtk_tx_dma *itxd, *txd; struct mtk_tx_buf *tx_buf; - unsigned long flags; dma_addr_t mapped_addr; unsigned int nr_frags; int i, n_desc = 1; @@ -568,11 +567,6 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) return -ENOMEM; - /* normally we can rely on the stack not calling this more than once, - * however we have 2 queues running ont he same ring so we need to lock - * the ring access - */ - spin_lock_irqsave(ð->page_lock, flags); WRITE_ONCE(itxd->txd1, mapped_addr); tx_buf->flags |= MTK_TX_FLAGS_SINGLE0; dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); @@ -632,8 +626,6 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, WRITE_ONCE(itxd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(skb_headlen(skb)) | (!nr_frags * TX_DMA_LS0))); - spin_unlock_irqrestore(ð->page_lock, flags); - netdev_sent_queue(dev, skb->len); skb_tx_timestamp(skb); @@ -661,8 +653,6 @@ err_dma: itxd = mtk_qdma_phys_to_virt(ring, itxd->txd2); } while (itxd != txd); - spin_unlock_irqrestore(ð->page_lock, flags); - return -ENOMEM; } @@ -712,14 +702,22 @@ static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) struct mtk_eth *eth = mac->hw; struct mtk_tx_ring *ring = ð->tx_ring; struct net_device_stats *stats = &dev->stats; + unsigned long flags; bool gso = false; int tx_num; + /* normally we can rely on the stack not calling this more than once, + * however we have 2 queues running on the same ring so we need to lock + * the ring access + */ + spin_lock_irqsave(ð->page_lock, flags); + tx_num = mtk_cal_txd_req(skb); if (unlikely(atomic_read(&ring->free_count) <= tx_num)) { mtk_stop_queue(eth); netif_err(eth, tx_queued, dev, "Tx Ring full when queue awake!\n"); + spin_unlock_irqrestore(ð->page_lock, flags); return NETDEV_TX_BUSY; } @@ -747,10 +745,12 @@ static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) ring->thresh)) mtk_wake_queue(eth); } + spin_unlock_irqrestore(ð->page_lock, flags); return NETDEV_TX_OK; drop: + spin_unlock_irqrestore(ð->page_lock, flags); stats->tx_dropped++; dev_kfree_skb(skb); return NETDEV_TX_OK; |