ath9k: convert to use bus-agnostic DMA routines

Convert to use bus-agnostic DMA routines to make it usable on AHB bus as well.

Changes-licensed-under: ISC

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Tested-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 9 deletions

diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c
index 27cb9d523f5f..522078d80931 100644
--- a/drivers/net/wireless/ath9k/xmit.c
+++ b/drivers/net/wireless/ath9k/xmit.c
@@ -340,10 +340,8 @@ static void ath_tx_complete_buf(struct ath_softc *sc,
         }
 
         /* Unmap this frame */
-        pci_unmap_single(to_pci_dev(sc->dev),
-                         bf->bf_dmacontext,
-                         skb->len,
-                         PCI_DMA_TODEVICE);
+        dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE);
+
         /* complete this frame */
         ath_tx_complete(sc, skb, &tx_status);
 
@@ -1716,13 +1714,12 @@ static int ath_tx_setup_buffer(struct ath_softc *sc, struct ath_buf *bf,
         /* DMA setup */
         bf->bf_mpdu = skb;
 
-        bf->bf_dmacontext = pci_map_single(to_pci_dev(sc->dev), skb->data,
-                                           skb->len, PCI_DMA_TODEVICE);
-        if (unlikely(pci_dma_mapping_error(to_pci_dev(sc->dev),
-                                           bf->bf_dmacontext))) {
+        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_mpdu = NULL;
                 DPRINTF(sc, ATH_DBG_CONFIG,
-                        "pci_dma_mapping_error() on TX\n");
+                        "dma_mapping_error() on TX\n");
                 return -ENOMEM;
         }