ath9k: Remove remaining occurences of ath_skb_map functions

Use direct pci functions instead.
Also, use sc_ht_info.tx_chan_width directly and remove ath_cwm_macmode.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

4 files changed, 24 insertions, 60 deletions

diff --git a/drivers/net/wireless/ath9k/core.c b/drivers/net/wireless/ath9k/core.c
index 9737775aad3c..a9e8ad053a30 100644
--- a/drivers/net/wireless/ath9k/core.c
+++ b/drivers/net/wireless/ath9k/core.c
@@ -314,7 +314,6 @@ int ath_set_channel(struct ath_softc *sc, struct ath9k_channel *hchan)
 {
         struct ath_hal *ah = sc->sc_ah;
         bool fastcc = true, stopped;
-        enum ath9k_ht_macmode ht_macmode;
 
         if (sc->sc_flags & SC_OP_INVALID) /* the device is invalid or removed */
                 return -EIO;
@@ -328,8 +327,6 @@ int ath_set_channel(struct ath_softc *sc, struct ath9k_channel *hchan)
                 ath9k_hw_mhz2ieee(ah, hchan->channel, hchan->channelFlags),
                 hchan->channel, hchan->channelFlags);
 
-        ht_macmode = ath_cwm_macmode(sc);
-
         if (hchan->channel != sc->sc_ah->ah_curchan->channel ||
             hchan->channelFlags != sc->sc_ah->ah_curchan->channelFlags ||
             (sc->sc_flags & SC_OP_CHAINMASK_UPDATE) ||
@@ -357,10 +354,11 @@ int ath_set_channel(struct ath_softc *sc, struct ath9k_channel *hchan)
 
                 spin_lock_bh(&sc->sc_resetlock);
                 if (!ath9k_hw_reset(ah, hchan,
-                                        ht_macmode, sc->sc_tx_chainmask,
-                                        sc->sc_rx_chainmask,
-                                        sc->sc_ht_extprotspacing,
-                                        fastcc, &status)) {
+                                    sc->sc_ht_info.tx_chan_width,
+                                    sc->sc_tx_chainmask,
+                                    sc->sc_rx_chainmask,
+                                    sc->sc_ht_extprotspacing,
+                                    fastcc, &status)) {
                         DPRINTF(sc, ATH_DBG_FATAL,
                                 "%s: unable to reset channel %u (%uMhz) "
                                 "flags 0x%x hal status %u\n", __func__,
@@ -682,7 +680,6 @@ int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan)
         struct ath_hal *ah = sc->sc_ah;
         int status;
         int error = 0;
-        enum ath9k_ht_macmode ht_macmode = ath_cwm_macmode(sc);
 
         DPRINTF(sc, ATH_DBG_CONFIG, "%s: mode %d\n",
                 __func__, sc->sc_ah->ah_opmode);
@@ -709,9 +706,10 @@ int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan)
          */
 
         spin_lock_bh(&sc->sc_resetlock);
-        if (!ath9k_hw_reset(ah, initial_chan, ht_macmode,
-                           sc->sc_tx_chainmask, sc->sc_rx_chainmask,
-                           sc->sc_ht_extprotspacing, false, &status)) {
+        if (!ath9k_hw_reset(ah, initial_chan,
+                            sc->sc_ht_info.tx_chan_width,
+                            sc->sc_tx_chainmask, sc->sc_rx_chainmask,
+                            sc->sc_ht_extprotspacing, false, &status)) {
                 DPRINTF(sc, ATH_DBG_FATAL,
                         "%s: unable to reset hardware; hal status %u "
                         "(freq %u flags 0x%x)\n", __func__, status,
@@ -788,7 +786,6 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
         struct ath_hal *ah = sc->sc_ah;
         int status;
         int error = 0;
-        enum ath9k_ht_macmode ht_macmode = ath_cwm_macmode(sc);
 
         ath9k_hw_set_interrupts(ah, 0); /* disable interrupts */
         ath_draintxq(sc, retry_tx);     /* stop xmit */
@@ -798,9 +795,9 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
         /* Reset chip */
         spin_lock_bh(&sc->sc_resetlock);
         if (!ath9k_hw_reset(ah, sc->sc_ah->ah_curchan,
-                           ht_macmode,
-                           sc->sc_tx_chainmask, sc->sc_rx_chainmask,
-                           sc->sc_ht_extprotspacing, false, &status)) {
+                            sc->sc_ht_info.tx_chan_width,
+                            sc->sc_tx_chainmask, sc->sc_rx_chainmask,
+                            sc->sc_ht_extprotspacing, false, &status)) {
                 DPRINTF(sc, ATH_DBG_FATAL,
                         "%s: unable to reset hardware; hal status %u\n",
                         __func__, status);
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index c242942bbc18..51bf528e4c15 100644
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -1023,14 +1023,5 @@ int ath_cabq_update(struct ath_softc *);
 void ath_get_currentCountry(struct ath_softc *sc,
         struct ath9k_country_entry *ctry);
 u64 ath_extend_tsf(struct ath_softc *sc, u32 rstamp);
-dma_addr_t ath_skb_map_single(struct ath_softc *sc,
-                              struct sk_buff *skb,
-                              int direction,
-                              dma_addr_t *pa);
-void ath_skb_unmap_single(struct ath_softc *sc,
-                          struct sk_buff *skb,
-                          int direction,
-                          dma_addr_t *pa);
-enum ath9k_ht_macmode ath_cwm_macmode(struct ath_softc *sc);
 
 #endif /* CORE_H */
diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c
index af2011fb05a0..91f635411ab5 100644
--- a/drivers/net/wireless/ath9k/recv.c
+++ b/drivers/net/wireless/ath9k/recv.c
@@ -454,11 +454,10 @@ static int ath_rx_indicate(struct ath_softc *sc,
         nskb = ath_rxbuf_alloc(sc, sc->sc_rxbufsize);
         if (nskb != NULL) {
                 bf->bf_mpdu = nskb;
-                bf->bf_buf_addr = ath_skb_map_single(sc,
-                        nskb,
-                        PCI_DMA_FROMDEVICE,
-                        /* XXX: Remove get_dma_mem_context() */
-                        get_dma_mem_context(bf, bf_dmacontext));
+                bf->bf_buf_addr = pci_map_single(sc->pdev, nskb->data,
+                                         skb_end_pointer(nskb) - nskb->head,
+                                         PCI_DMA_FROMDEVICE);
+                bf->bf_dmacontext = bf->bf_buf_addr;
                 ATH_RX_CONTEXT(nskb)->ctx_rxbuf = bf;
 
                 /* queue the new wbuf to H/W */
@@ -541,9 +540,10 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
                         }
 
                         bf->bf_mpdu = skb;
-                        bf->bf_buf_addr =
-                                ath_skb_map_single(sc, skb, PCI_DMA_FROMDEVICE,
-                                       get_dma_mem_context(bf, bf_dmacontext));
+                        bf->bf_buf_addr = pci_map_single(sc->pdev, skb->data,
+                                         skb_end_pointer(skb) - skb->head,
+                                         PCI_DMA_FROMDEVICE);
+                        bf->bf_dmacontext = bf->bf_buf_addr;
                         ATH_RX_CONTEXT(skb)->ctx_rxbuf = bf;
                 }
                 sc->sc_rxlink = NULL;
@@ -1297,27 +1297,3 @@ void ath_rx_node_free(struct ath_softc *sc, struct ath_node *an)
 {
         ath_rx_node_cleanup(sc, an);
 }
-
-dma_addr_t ath_skb_map_single(struct ath_softc *sc,
-                              struct sk_buff *skb,
-                              int direction,
-                              dma_addr_t *pa)
-{
-        /*
-         * NB: do NOT use skb->len, which is 0 on initialization.
-         * Use skb's entire data area instead.
-         */
-        *pa = pci_map_single(sc->pdev, skb->data,
-                skb_end_pointer(skb) - skb->head, direction);
-        return *pa;
-}
-
-void ath_skb_unmap_single(struct ath_softc *sc,
-                          struct sk_buff *skb,
-                          int direction,
-                          dma_addr_t *pa)
-{
-        /* Unmap skb's entire data area */
-        pci_unmap_single(sc->pdev, *pa,
-                skb_end_pointer(skb) - skb->head, direction);
-}
diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c
index 55f3c8e5bbbc..8d31ad7952be 100644
--- a/drivers/net/wireless/ath9k/xmit.c
+++ b/drivers/net/wireless/ath9k/xmit.c
@@ -1427,7 +1427,6 @@ static void ath_drain_txdataq(struct ath_softc *sc, bool retry_tx)
         struct ath_hal *ah = sc->sc_ah;
         int i;
         int npend = 0;
-        enum ath9k_ht_macmode ht_macmode = ath_cwm_macmode(sc);
 
         /* XXX return value */
         if (!(sc->sc_flags & SC_OP_INVALID)) {
@@ -1452,9 +1451,10 @@ static void ath_drain_txdataq(struct ath_softc *sc, bool retry_tx)
 
                 spin_lock_bh(&sc->sc_resetlock);
                 if (!ath9k_hw_reset(ah,
-                        sc->sc_ah->ah_curchan, ht_macmode,
-                        sc->sc_tx_chainmask, sc->sc_rx_chainmask,
-                        sc->sc_ht_extprotspacing, true, &status)) {
+                                    sc->sc_ah->ah_curchan,
+                                    sc->sc_ht_info.tx_chan_width,
+                                    sc->sc_tx_chainmask, sc->sc_rx_chainmask,
+                                    sc->sc_ht_extprotspacing, true, &status)) {
 
                         DPRINTF(sc, ATH_DBG_FATAL,
                                 "%s: unable to reset hardware; hal status %u\n",