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path: root/drivers/net/wireless/b43/dma.c
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Diffstat (limited to 'drivers/net/wireless/b43/dma.c')
-rw-r--r--drivers/net/wireless/b43/dma.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 948eb1fe916b..48e912487b16 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -373,10 +373,10 @@ static inline
373 dma_addr_t dmaaddr; 373 dma_addr_t dmaaddr;
374 374
375 if (tx) { 375 if (tx) {
376 dmaaddr = dma_map_single(ring->dev->dev->dev, 376 dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
377 buf, len, DMA_TO_DEVICE); 377 buf, len, DMA_TO_DEVICE);
378 } else { 378 } else {
379 dmaaddr = dma_map_single(ring->dev->dev->dev, 379 dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
380 buf, len, DMA_FROM_DEVICE); 380 buf, len, DMA_FROM_DEVICE);
381 } 381 }
382 382
@@ -388,9 +388,10 @@ static inline
388 dma_addr_t addr, size_t len, int tx) 388 dma_addr_t addr, size_t len, int tx)
389{ 389{
390 if (tx) { 390 if (tx) {
391 dma_unmap_single(ring->dev->dev->dev, addr, len, DMA_TO_DEVICE); 391 dma_unmap_single(ring->dev->dev->dma_dev,
392 addr, len, DMA_TO_DEVICE);
392 } else { 393 } else {
393 dma_unmap_single(ring->dev->dev->dev, 394 dma_unmap_single(ring->dev->dev->dma_dev,
394 addr, len, DMA_FROM_DEVICE); 395 addr, len, DMA_FROM_DEVICE);
395 } 396 }
396} 397}
@@ -400,7 +401,7 @@ static inline
400 dma_addr_t addr, size_t len) 401 dma_addr_t addr, size_t len)
401{ 402{
402 B43_WARN_ON(ring->tx); 403 B43_WARN_ON(ring->tx);
403 dma_sync_single_for_cpu(ring->dev->dev->dev, 404 dma_sync_single_for_cpu(ring->dev->dev->dma_dev,
404 addr, len, DMA_FROM_DEVICE); 405 addr, len, DMA_FROM_DEVICE);
405} 406}
406 407
@@ -409,7 +410,7 @@ static inline
409 dma_addr_t addr, size_t len) 410 dma_addr_t addr, size_t len)
410{ 411{
411 B43_WARN_ON(ring->tx); 412 B43_WARN_ON(ring->tx);
412 dma_sync_single_for_device(ring->dev->dev->dev, 413 dma_sync_single_for_device(ring->dev->dev->dma_dev,
413 addr, len, DMA_FROM_DEVICE); 414 addr, len, DMA_FROM_DEVICE);
414} 415}
415 416
@@ -425,7 +426,7 @@ static inline
425 426
426static int alloc_ringmemory(struct b43_dmaring *ring) 427static int alloc_ringmemory(struct b43_dmaring *ring)
427{ 428{
428 struct device *dev = ring->dev->dev->dev; 429 struct device *dma_dev = ring->dev->dev->dma_dev;
429 gfp_t flags = GFP_KERNEL; 430 gfp_t flags = GFP_KERNEL;
430 431
431 /* The specs call for 4K buffers for 30- and 32-bit DMA with 4K 432 /* The specs call for 4K buffers for 30- and 32-bit DMA with 4K
@@ -439,7 +440,7 @@ static int alloc_ringmemory(struct b43_dmaring *ring)
439 */ 440 */
440 if (ring->type == B43_DMA_64BIT) 441 if (ring->type == B43_DMA_64BIT)
441 flags |= GFP_DMA; 442 flags |= GFP_DMA;
442 ring->descbase = dma_alloc_coherent(dev, B43_DMA_RINGMEMSIZE, 443 ring->descbase = dma_alloc_coherent(dma_dev, B43_DMA_RINGMEMSIZE,
443 &(ring->dmabase), flags); 444 &(ring->dmabase), flags);
444 if (!ring->descbase) { 445 if (!ring->descbase) {
445 b43err(ring->dev->wl, "DMA ringmemory allocation failed\n"); 446 b43err(ring->dev->wl, "DMA ringmemory allocation failed\n");
@@ -452,9 +453,9 @@ static int alloc_ringmemory(struct b43_dmaring *ring)
452 453
453static void free_ringmemory(struct b43_dmaring *ring) 454static void free_ringmemory(struct b43_dmaring *ring)
454{ 455{
455 struct device *dev = ring->dev->dev->dev; 456 struct device *dma_dev = ring->dev->dev->dma_dev;
456 457
457 dma_free_coherent(dev, B43_DMA_RINGMEMSIZE, 458 dma_free_coherent(dma_dev, B43_DMA_RINGMEMSIZE,
458 ring->descbase, ring->dmabase); 459 ring->descbase, ring->dmabase);
459} 460}
460 461
@@ -854,7 +855,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
854 goto err_kfree_meta; 855 goto err_kfree_meta;
855 856
856 /* test for ability to dma to txhdr_cache */ 857 /* test for ability to dma to txhdr_cache */
857 dma_test = dma_map_single(dev->dev->dev, 858 dma_test = dma_map_single(dev->dev->dma_dev,
858 ring->txhdr_cache, 859 ring->txhdr_cache,
859 b43_txhdr_size(dev), 860 b43_txhdr_size(dev),
860 DMA_TO_DEVICE); 861 DMA_TO_DEVICE);
@@ -869,7 +870,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
869 if (!ring->txhdr_cache) 870 if (!ring->txhdr_cache)
870 goto err_kfree_meta; 871 goto err_kfree_meta;
871 872
872 dma_test = dma_map_single(dev->dev->dev, 873 dma_test = dma_map_single(dev->dev->dma_dev,
873 ring->txhdr_cache, 874 ring->txhdr_cache,
874 b43_txhdr_size(dev), 875 b43_txhdr_size(dev),
875 DMA_TO_DEVICE); 876 DMA_TO_DEVICE);
@@ -883,7 +884,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
883 } 884 }
884 } 885 }
885 886
886 dma_unmap_single(dev->dev->dev, 887 dma_unmap_single(dev->dev->dma_dev,
887 dma_test, b43_txhdr_size(dev), 888 dma_test, b43_txhdr_size(dev),
888 DMA_TO_DEVICE); 889 DMA_TO_DEVICE);
889 } 890 }