diff options
| -rw-r--r-- | drivers/net/stmmac/stmmac_main.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c index d4adc806f6f8..c8c9e5bc6608 100644 --- a/drivers/net/stmmac/stmmac_main.c +++ b/drivers/net/stmmac/stmmac_main.c @@ -1045,6 +1045,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) len, DMA_TO_DEVICE); priv->tx_skbuff[entry] = NULL; priv->hw->desc->prepare_tx_desc(desc, 0, len, csum_insertion); + wmb(); priv->hw->desc->set_tx_owner(desc); } @@ -1056,6 +1057,9 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) if (likely(priv->tm->enable)) priv->hw->desc->clear_tx_ic(desc); #endif + + wmb(); + /* To avoid raise condition */ priv->hw->desc->set_tx_owner(first); @@ -1118,6 +1122,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv) } RX_DBG(KERN_INFO "\trefill entry #%d\n", entry); } + wmb(); priv->hw->desc->set_rx_owner(p + entry); } } |