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@xxxxxxxxx>
Cc: Nick Kossifidis <mickflemm@xxxxxxxxx>
Cc: Luis R. Rodriguez <mcgrof@xxxxxxxxx>
---
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 4874a6f..713ee99 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -1705,10 +1705,6 @@ 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
@@ -1772,8 +1768,6 @@ 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;
@@ -1861,9 +1855,6 @@ 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;
@@ -2036,8 +2027,6 @@ 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);
--
1.5.6.2
--
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