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| author | Sujith <Sujith.Manoharan@atheros.com> | 2008-11-18 09:10:42 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-11-26 09:47:34 -0500 |
| commit | 8f93b8b337763a58fcdf23333ffe752db6c93bae (patch) | |
| tree | a28c210cc5382c087be7ba90a96f279e3a0bbd9a | |
| parent | daa9deb359252496796fa2b7420012e252b327b6 (diff) | |
| download | linux-8f93b8b337763a58fcdf23333ffe752db6c93bae.tar.gz linux-8f93b8b337763a58fcdf23333ffe752db6c93bae.tar.bz2 linux-8f93b8b337763a58fcdf23333ffe752db6c93bae.zip | |
ath9k: Use straightforward PCI routines to setup the TX buffer.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath9k/xmit.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c index 4c9a03ed8382..50d4105ee4b3 100644 --- a/drivers/net/wireless/ath9k/xmit.c +++ b/drivers/net/wireless/ath9k/xmit.c @@ -1646,7 +1646,7 @@ static void ath_txq_drain_pending_buffers(struct ath_softc *sc, } static void ath_tx_setup_buffer(struct ath_softc *sc, struct ath_buf *bf, - struct sk_buff *skb, struct scatterlist *sg, + struct sk_buff *skb, struct ath_tx_control *txctl) { struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); @@ -1711,7 +1711,6 @@ static void ath_tx_setup_buffer(struct ath_softc *sc, struct ath_buf *bf, /* FIXME: tx power */ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf, - struct scatterlist *sg, u32 n_sg, struct ath_tx_control *txctl) { struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu; @@ -1740,10 +1739,10 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf, bf->bf_keyix, bf->bf_keytype, bf->bf_flags); ath9k_hw_filltxdesc(ah, ds, - sg_dma_len(sg), /* segment length */ - true, /* first segment */ - (n_sg == 1) ? true : false, /* last segment */ - ds); /* first descriptor */ + skb->len, /* segment length */ + true, /* first segment */ + true, /* last segment */ + ds); /* first descriptor */ bf->bf_lastfrm = bf; @@ -1783,7 +1782,6 @@ int ath_tx_start(struct ath_softc *sc, struct sk_buff *skb, struct ath_tx_control *txctl) { struct ath_buf *bf; - struct scatterlist sg; /* Check if a tx buffer is available */ @@ -1794,15 +1792,8 @@ int ath_tx_start(struct ath_softc *sc, struct sk_buff *skb, return -1; } - ath_tx_setup_buffer(sc, bf, skb, &sg, txctl); - - /* Setup S/G */ - - memset(&sg, 0, sizeof(struct scatterlist)); - sg_dma_address(&sg) = bf->bf_dmacontext; - sg_dma_len(&sg) = skb->len; - - ath_tx_start_dma(sc, bf, &sg, 1, txctl); + ath_tx_setup_buffer(sc, bf, skb, txctl); + ath_tx_start_dma(sc, bf, txctl); return 0; } |