b43: replace the ssb_dma API with the generic DMA API

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Stefano Brivio <stefano.brivio@polimi.it>
Cc: John W. Linville <linville@tuxdriver.com>
Acked-by: Michael Buesch <mb@bu3sch.de>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 34 insertions, 31 deletions

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index fdfeab0c21a0..10d0aaf754c5 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -333,11 +333,11 @@ static inline
         dma_addr_t dmaaddr;
 
         if (tx) {
-                dmaaddr = ssb_dma_map_single(ring->dev->dev,
-                                             buf, len, DMA_TO_DEVICE);
+                dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
+                                         buf, len, DMA_TO_DEVICE);
         } else {
-                dmaaddr = ssb_dma_map_single(ring->dev->dev,
-                                             buf, len, DMA_FROM_DEVICE);
+                dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
+                                         buf, len, DMA_FROM_DEVICE);
         }
 
         return dmaaddr;
@@ -348,11 +348,11 @@ static inline
                           dma_addr_t addr, size_t len, int tx)
 {
         if (tx) {
-                ssb_dma_unmap_single(ring->dev->dev,
-                                     addr, len, DMA_TO_DEVICE);
+                dma_unmap_single(ring->dev->dev->dma_dev,
+                                 addr, len, DMA_TO_DEVICE);
         } else {
-                ssb_dma_unmap_single(ring->dev->dev,
-                                     addr, len, DMA_FROM_DEVICE);
+                dma_unmap_single(ring->dev->dev->dma_dev,
+                                 addr, len, DMA_FROM_DEVICE);
         }
 }
 
@@ -361,7 +361,7 @@ static inline
                                  dma_addr_t addr, size_t len)
 {
         B43_WARN_ON(ring->tx);
-        ssb_dma_sync_single_for_cpu(ring->dev->dev,
+        dma_sync_single_for_cpu(ring->dev->dev->dma_dev,
                                     addr, len, DMA_FROM_DEVICE);
 }
 
@@ -370,8 +370,8 @@ static inline
                                     dma_addr_t addr, size_t len)
 {
         B43_WARN_ON(ring->tx);
-        ssb_dma_sync_single_for_device(ring->dev->dev,
-                                       addr, len, DMA_FROM_DEVICE);
+        dma_sync_single_for_device(ring->dev->dev->dma_dev,
+                                   addr, len, DMA_FROM_DEVICE);
 }
 
 static inline
@@ -401,9 +401,9 @@ static int alloc_ringmemory(struct b43_dmaring *ring)
          */
         if (ring->type == B43_DMA_64BIT)
                 flags |= GFP_DMA;
-        ring->descbase = ssb_dma_alloc_consistent(ring->dev->dev,
-                                                  B43_DMA_RINGMEMSIZE,
-                                                  &(ring->dmabase), flags);
+        ring->descbase = dma_alloc_coherent(ring->dev->dev->dma_dev,
+                                            B43_DMA_RINGMEMSIZE,
+                                            &(ring->dmabase), flags);
         if (!ring->descbase) {
                 b43err(ring->dev->wl, "DMA ringmemory allocation failed\n");
                 return -ENOMEM;
@@ -420,8 +420,8 @@ static void free_ringmemory(struct b43_dmaring *ring)
         if (ring->type == B43_DMA_64BIT)
                 flags |= GFP_DMA;
 
-        ssb_dma_free_consistent(ring->dev->dev, B43_DMA_RINGMEMSIZE,
-                                ring->descbase, ring->dmabase, flags);
+        dma_free_coherent(ring->dev->dev->dma_dev, B43_DMA_RINGMEMSIZE,
+                          ring->descbase, ring->dmabase);
 }
 
 /* Reset the RX DMA channel */
@@ -528,7 +528,7 @@ static bool b43_dma_mapping_error(struct b43_dmaring *ring,
                                   dma_addr_t addr,
                                   size_t buffersize, bool dma_to_device)
 {
-        if (unlikely(ssb_dma_mapping_error(ring->dev->dev, addr)))
+        if (unlikely(dma_mapping_error(ring->dev->dev->dma_dev, addr)))
                 return 1;
 
         switch (ring->type) {
@@ -874,10 +874,10 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
                         goto err_kfree_meta;
 
                 /* test for ability to dma to txhdr_cache */
-                dma_test = ssb_dma_map_single(dev->dev,
-                                              ring->txhdr_cache,
-                                              b43_txhdr_size(dev),
-                                              DMA_TO_DEVICE);
+                dma_test = dma_map_single(dev->dev->dma_dev,
+                                          ring->txhdr_cache,
+                                          b43_txhdr_size(dev),
+                                          DMA_TO_DEVICE);
 
                 if (b43_dma_mapping_error(ring, dma_test,
                                           b43_txhdr_size(dev), 1)) {
@@ -889,10 +889,10 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
                         if (!ring->txhdr_cache)
                                 goto err_kfree_meta;
 
-                        dma_test = ssb_dma_map_single(dev->dev,
-                                                      ring->txhdr_cache,
-                                                      b43_txhdr_size(dev),
-                                                      DMA_TO_DEVICE);
+                        dma_test = dma_map_single(dev->dev->dma_dev,
+                                                  ring->txhdr_cache,
+                                                  b43_txhdr_size(dev),
+                                                  DMA_TO_DEVICE);
 
                         if (b43_dma_mapping_error(ring, dma_test,
                                                   b43_txhdr_size(dev), 1)) {
@@ -903,9 +903,9 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
                         }
                 }
 
-                ssb_dma_unmap_single(dev->dev,
-                                     dma_test, b43_txhdr_size(dev),
-                                     DMA_TO_DEVICE);
+                dma_unmap_single(dev->dev->dma_dev,
+                                 dma_test, b43_txhdr_size(dev),
+                                 DMA_TO_DEVICE);
         }
 
         err = alloc_ringmemory(ring);
@@ -1018,9 +1018,12 @@ static int b43_dma_set_mask(struct b43_wldev *dev, u64 mask)
         /* Try to set the DMA mask. If it fails, try falling back to a
          * lower mask, as we can always also support a lower one. */
         while (1) {
-                err = ssb_dma_set_mask(dev->dev, mask);
-                if (!err)
-                        break;
+                err = dma_set_mask(dev->dev->dma_dev, mask);
+                if (!err) {
+                        err = dma_set_coherent_mask(dev->dev->dma_dev, mask);
+                        if (!err)
+                                break;
+                }
                 if (mask == DMA_BIT_MASK(64)) {
                         mask = DMA_BIT_MASK(32);
                         fallback = 1;