package/mac80211/patches/546-ath9k_retry_cache_sync.patch

   1 --- a/drivers/net/wireless/ath/ath9k/xmit.c
   2 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
   3 @@ -263,6 +263,7 @@ static void ath_tx_set_retry(struct ath_
   4                              struct sk_buff *skb)
   5  {
   6         struct ath_frame_info *fi = get_frame_info(skb);
   7 +       struct ath_buf *bf = fi->bf;
   8         struct ieee80211_hdr *hdr;
   9
  10         TX_STAT_INC(txq->axq_qnum, a_retries);
  11 @@ -271,6 +272,8 @@ static void ath_tx_set_retry(struct ath_
  12
  13         hdr = (struct ieee80211_hdr *)skb->data;
  14         hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_RETRY);
  15 +       dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
  16 +               sizeof(*hdr), DMA_TO_DEVICE);
  17  }
  18
  19  static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc)