diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/beacon.c | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/recv.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 11 |
4 files changed, 12 insertions, 20 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index e435c1d38826..973c919fdd27 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -239,12 +239,11 @@ struct ath_buf { struct sk_buff *bf_mpdu; /* enclosing frame structure */ void *bf_desc; /* virtual addr of desc */ dma_addr_t bf_daddr; /* physical addr of desc */ - dma_addr_t bf_buf_addr; /* physical addr of data buffer */ + dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */ bool bf_stale; bool bf_tx_aborted; u16 bf_flags; struct ath_buf_state bf_state; - dma_addr_t bf_dmacontext; struct ath_wiphy *aphy; }; diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 081192e78a46..af8fedda001b 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -136,7 +136,7 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw, bf = avp->av_bcbuf; skb = bf->bf_mpdu; if (skb) { - dma_unmap_single(sc->dev, bf->bf_dmacontext, + dma_unmap_single(sc->dev, bf->bf_buf_addr, skb->len, DMA_TO_DEVICE); dev_kfree_skb_any(skb); } @@ -162,9 +162,8 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw, hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no); } - bf->bf_buf_addr = bf->bf_dmacontext = - dma_map_single(sc->dev, skb->data, - skb->len, DMA_TO_DEVICE); + bf->bf_buf_addr = dma_map_single(sc->dev, skb->data, + skb->len, DMA_TO_DEVICE); if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) { dev_kfree_skb_any(skb); bf->bf_mpdu = NULL; @@ -252,7 +251,7 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif) bf = avp->av_bcbuf; if (bf->bf_mpdu != NULL) { skb = bf->bf_mpdu; - dma_unmap_single(sc->dev, bf->bf_dmacontext, + dma_unmap_single(sc->dev, bf->bf_buf_addr, skb->len, DMA_TO_DEVICE); dev_kfree_skb_any(skb); bf->bf_mpdu = NULL; @@ -296,9 +295,8 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif) avp->tsf_adjust = cpu_to_le64(0); bf->bf_mpdu = skb; - bf->bf_buf_addr = bf->bf_dmacontext = - dma_map_single(sc->dev, skb->data, - skb->len, DMA_TO_DEVICE); + bf->bf_buf_addr = dma_map_single(sc->dev, skb->data, + skb->len, DMA_TO_DEVICE); if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) { dev_kfree_skb_any(skb); bf->bf_mpdu = NULL; @@ -324,7 +322,7 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp) bf = avp->av_bcbuf; if (bf->bf_mpdu != NULL) { struct sk_buff *skb = bf->bf_mpdu; - dma_unmap_single(sc->dev, bf->bf_dmacontext, + dma_unmap_single(sc->dev, bf->bf_buf_addr, skb->len, DMA_TO_DEVICE); dev_kfree_skb_any(skb); bf->bf_mpdu = NULL; diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 7c90eaf9ec55..2e427522672d 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -363,7 +363,6 @@ int ath_rx_init(struct ath_softc *sc, int nbufs) error = -ENOMEM; goto err; } - bf->bf_dmacontext = bf->bf_buf_addr; } sc->rx.rxlink = NULL; } @@ -1739,7 +1738,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) ath_rx_send_to_mac80211(hw, sc, skb, rxs); break; } - bf->bf_dmacontext = bf->bf_buf_addr; /* * change the default rx antenna if rx diversity chooses the diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 9b17108adc7c..b053058ae5ea 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -294,7 +294,6 @@ static struct ath_buf* ath_clone_txbuf(struct ath_softc *sc, struct ath_buf *bf) tbf->bf_buf_addr = bf->bf_buf_addr; memcpy(tbf->bf_desc, bf->bf_desc, sc->sc_ah->caps.tx_desc_len); tbf->bf_state = bf->bf_state; - tbf->bf_dmacontext = bf->bf_dmacontext; return tbf; } @@ -1640,17 +1639,15 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf, bf->bf_mpdu = skb; - bf->bf_dmacontext = dma_map_single(sc->dev, skb->data, - skb->len, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(sc->dev, bf->bf_dmacontext))) { + bf->bf_buf_addr = dma_map_single(sc->dev, skb->data, + skb->len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) { bf->bf_mpdu = NULL; ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL, "dma_mapping_error() on TX\n"); return -ENOMEM; } - bf->bf_buf_addr = bf->bf_dmacontext; - bf->bf_tx_aborted = false; return 0; @@ -1914,7 +1911,7 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf, tx_flags |= ATH_TX_XRETRY; } - dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE); + dma_unmap_single(sc->dev, bf->bf_buf_addr, skb->len, DMA_TO_DEVICE); if (bf->bf_state.bfs_paprd) { if (time_after(jiffies, |