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, 7 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 44931e42e2b..ebf0467674c 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -1715,9 +1715,8 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
         }
 
         /* allocate descriptors */
-        dd->dd_desc = pci_alloc_consistent(to_pci_dev(sc->dev),
-                              dd->dd_desc_len,
-                              &dd->dd_desc_paddr);
+        dd->dd_desc = dma_alloc_coherent(sc->dev, dd->dd_desc_len,
+                                         &dd->dd_desc_paddr, GFP_ATOMIC);
         if (dd->dd_desc == NULL) {
                 error = -ENOMEM;
                 goto fail;
@@ -1763,8 +1762,8 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
         }
         return 0;
 fail2:
-        pci_free_consistent(to_pci_dev(sc->dev),
-                dd->dd_desc_len, dd->dd_desc, dd->dd_desc_paddr);
+        dma_free_coherent(sc->dev, dd->dd_desc_len, dd->dd_desc,
+                          dd->dd_desc_paddr);
 fail:
         memset(dd, 0, sizeof(*dd));
         return error;
@@ -1777,8 +1776,8 @@ void ath_descdma_cleanup(struct ath_softc *sc,
                          struct ath_descdma *dd,
                          struct list_head *head)
 {
-        pci_free_consistent(to_pci_dev(sc->dev),
-                dd->dd_desc_len, dd->dd_desc, dd->dd_desc_paddr);
+        dma_free_coherent(sc->dev, dd->dd_desc_len, dd->dd_desc,
+                          dd->dd_desc_paddr);
 
         INIT_LIST_HEAD(head);
         kfree(dd->dd_bufptr);