diff options
| author | Jiri Slaby <jirislaby@gmail.com> | 2008-07-15 17:44:43 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-07-29 16:36:28 -0400 |
| commit | e86600c7b4e9b9b22ba51620613d6159bf5cf504 (patch) | |
| tree | 2779aca37e692ff9910781035de6c7e5587fbd39 /drivers/net | |
| parent | 274c7c3638cd027b46f76d0caef96c1bad8b6701 (diff) | |
Ath5k: fix dma operation
Don't sync
- coherent mapping (descriptors)
- before unmap, it's useless
- (wrongly anyway -- for_cpu) beacon skb, it's just mapped,
so by the device yet
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Cc: Luis R. Rodriguez <mcgrof@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ath5k/base.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index 8e9afb3b3a5..3aa22dc7165 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -1704,10 +1704,6 @@ ath5k_tasklet_rx(unsigned long data) skb = bf->skb; ds = bf->desc; - /* TODO only one segment */ - pci_dma_sync_single_for_cpu(sc->pdev, sc->desc_daddr, - sc->desc_len, PCI_DMA_FROMDEVICE); - /* * last buffer must not be freed to ensure proper hardware * function. When the hardware finishes also a packet next to @@ -1771,8 +1767,6 @@ ath5k_tasklet_rx(unsigned long data) goto next; } accept: - pci_dma_sync_single_for_cpu(sc->pdev, bf->skbaddr, - rs.rs_datalen, PCI_DMA_FROMDEVICE); pci_unmap_single(sc->pdev, bf->skbaddr, sc->rxbufsize, PCI_DMA_FROMDEVICE); bf->skb = NULL; @@ -1860,9 +1854,6 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq) list_for_each_entry_safe(bf, bf0, &txq->q, list) { ds = bf->desc; - /* TODO only one segment */ - pci_dma_sync_single_for_cpu(sc->pdev, sc->desc_daddr, - sc->desc_len, PCI_DMA_FROMDEVICE); ret = sc->ah->ah_proc_tx_desc(sc->ah, ds, &ts); if (unlikely(ret == -EINPROGRESS)) break; @@ -2035,8 +2026,6 @@ ath5k_beacon_send(struct ath5k_softc *sc) ATH5K_WARN(sc, "beacon queue %u didn't stop?\n", sc->bhalq); /* NB: hw still stops DMA, so proceed */ } - pci_dma_sync_single_for_cpu(sc->pdev, bf->skbaddr, bf->skb->len, - PCI_DMA_TODEVICE); ath5k_hw_put_tx_buf(ah, sc->bhalq, bf->daddr); ath5k_hw_tx_start(ah, sc->bhalq); |