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ath9k: sync the dma buffer after changing the retry flag

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2011-09-15 12:59:49 +02:00 committed by John W. Linville
parent 0c28ec587a
commit f11cc949fd
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/ath/ath9k/xmit.c
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@ -262,6 +262,7 @@ static void ath_tx_set_retry(struct ath_softc *sc, struct ath_txq *txq,
struct sk_buff *skb)
{
struct ath_frame_info *fi = get_frame_info(skb);
struct ath_buf *bf = fi->bf;
struct ieee80211_hdr *hdr;
TX_STAT_INC(txq->axq_qnum, a_retries);
@ -270,6 +271,8 @@ static void ath_tx_set_retry(struct ath_softc *sc, struct ath_txq *txq,
hdr = (struct ieee80211_hdr *)skb->data;
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_RETRY);
dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
sizeof(*hdr), DMA_TO_DEVICE);
}
static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc)