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path: root/drivers/net/wireless/b43legacy/dma.c
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Diffstat (limited to 'drivers/net/wireless/b43legacy/dma.c')
-rw-r--r--drivers/net/wireless/b43legacy/dma.c63
1 files changed, 31 insertions, 32 deletions
diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c
index 203b0f42ac58..eb0243a22691 100644
--- a/drivers/net/wireless/b43legacy/dma.c
+++ b/drivers/net/wireless/b43legacy/dma.c
@@ -393,13 +393,13 @@ dma_addr_t map_descbuffer(struct b43legacy_dmaring *ring,
393 dma_addr_t dmaaddr; 393 dma_addr_t dmaaddr;
394 394
395 if (tx) 395 if (tx)
396 dmaaddr = dma_map_single(ring->dev->dev->dma_dev, 396 dmaaddr = ssb_dma_map_single(ring->dev->dev,
397 buf, len, 397 buf, len,
398 DMA_TO_DEVICE); 398 DMA_TO_DEVICE);
399 else 399 else
400 dmaaddr = dma_map_single(ring->dev->dev->dma_dev, 400 dmaaddr = ssb_dma_map_single(ring->dev->dev,
401 buf, len, 401 buf, len,
402 DMA_FROM_DEVICE); 402 DMA_FROM_DEVICE);
403 403
404 return dmaaddr; 404 return dmaaddr;
405} 405}
@@ -411,13 +411,13 @@ void unmap_descbuffer(struct b43legacy_dmaring *ring,
411 int tx) 411 int tx)
412{ 412{
413 if (tx) 413 if (tx)
414 dma_unmap_single(ring->dev->dev->dma_dev, 414 ssb_dma_unmap_single(ring->dev->dev,
415 addr, len, 415 addr, len,
416 DMA_TO_DEVICE); 416 DMA_TO_DEVICE);
417 else 417 else
418 dma_unmap_single(ring->dev->dev->dma_dev, 418 ssb_dma_unmap_single(ring->dev->dev,
419 addr, len, 419 addr, len,
420 DMA_FROM_DEVICE); 420 DMA_FROM_DEVICE);
421} 421}
422 422
423static inline 423static inline
@@ -427,8 +427,8 @@ void sync_descbuffer_for_cpu(struct b43legacy_dmaring *ring,
427{ 427{
428 B43legacy_WARN_ON(ring->tx); 428 B43legacy_WARN_ON(ring->tx);
429 429
430 dma_sync_single_for_cpu(ring->dev->dev->dma_dev, 430 ssb_dma_sync_single_for_cpu(ring->dev->dev,
431 addr, len, DMA_FROM_DEVICE); 431 addr, len, DMA_FROM_DEVICE);
432} 432}
433 433
434static inline 434static inline
@@ -438,8 +438,8 @@ void sync_descbuffer_for_device(struct b43legacy_dmaring *ring,
438{ 438{
439 B43legacy_WARN_ON(ring->tx); 439 B43legacy_WARN_ON(ring->tx);
440 440
441 dma_sync_single_for_device(ring->dev->dev->dma_dev, 441 ssb_dma_sync_single_for_device(ring->dev->dev,
442 addr, len, DMA_FROM_DEVICE); 442 addr, len, DMA_FROM_DEVICE);
443} 443}
444 444
445static inline 445static inline
@@ -458,10 +458,11 @@ void free_descriptor_buffer(struct b43legacy_dmaring *ring,
458 458
459static int alloc_ringmemory(struct b43legacy_dmaring *ring) 459static int alloc_ringmemory(struct b43legacy_dmaring *ring)
460{ 460{
461 struct device *dma_dev = ring->dev->dev->dma_dev; 461 /* GFP flags must match the flags in free_ringmemory()! */
462 462 ring->descbase = ssb_dma_alloc_consistent(ring->dev->dev,
463 ring->descbase = dma_alloc_coherent(dma_dev, B43legacy_DMA_RINGMEMSIZE, 463 B43legacy_DMA_RINGMEMSIZE,
464 &(ring->dmabase), GFP_KERNEL); 464 &(ring->dmabase),
465 GFP_KERNEL);
465 if (!ring->descbase) { 466 if (!ring->descbase) {
466 b43legacyerr(ring->dev->wl, "DMA ringmemory allocation" 467 b43legacyerr(ring->dev->wl, "DMA ringmemory allocation"
467 " failed\n"); 468 " failed\n");
@@ -474,10 +475,8 @@ static int alloc_ringmemory(struct b43legacy_dmaring *ring)
474 475
475static void free_ringmemory(struct b43legacy_dmaring *ring) 476static void free_ringmemory(struct b43legacy_dmaring *ring)
476{ 477{
477 struct device *dma_dev = ring->dev->dev->dma_dev; 478 ssb_dma_free_consistent(ring->dev->dev, B43legacy_DMA_RINGMEMSIZE,
478 479 ring->descbase, ring->dmabase, GFP_KERNEL);
479 dma_free_coherent(dma_dev, B43legacy_DMA_RINGMEMSIZE,
480 ring->descbase, ring->dmabase);
481} 480}
482 481
483/* Reset the RX DMA channel */ 482/* Reset the RX DMA channel */
@@ -589,7 +588,7 @@ static bool b43legacy_dma_mapping_error(struct b43legacy_dmaring *ring,
589 size_t buffersize, 588 size_t buffersize,
590 bool dma_to_device) 589 bool dma_to_device)
591{ 590{
592 if (unlikely(dma_mapping_error(addr))) 591 if (unlikely(ssb_dma_mapping_error(ring->dev->dev, addr)))
593 return 1; 592 return 1;
594 593
595 switch (ring->type) { 594 switch (ring->type) {
@@ -894,9 +893,9 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
894 goto err_kfree_meta; 893 goto err_kfree_meta;
895 894
896 /* test for ability to dma to txhdr_cache */ 895 /* test for ability to dma to txhdr_cache */
897 dma_test = dma_map_single(dev->dev->dma_dev, ring->txhdr_cache, 896 dma_test = ssb_dma_map_single(dev->dev, ring->txhdr_cache,
898 sizeof(struct b43legacy_txhdr_fw3), 897 sizeof(struct b43legacy_txhdr_fw3),
899 DMA_TO_DEVICE); 898 DMA_TO_DEVICE);
900 899
901 if (b43legacy_dma_mapping_error(ring, dma_test, 900 if (b43legacy_dma_mapping_error(ring, dma_test,
902 sizeof(struct b43legacy_txhdr_fw3), 1)) { 901 sizeof(struct b43legacy_txhdr_fw3), 1)) {
@@ -908,7 +907,7 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
908 if (!ring->txhdr_cache) 907 if (!ring->txhdr_cache)
909 goto err_kfree_meta; 908 goto err_kfree_meta;
910 909
911 dma_test = dma_map_single(dev->dev->dma_dev, 910 dma_test = ssb_dma_map_single(dev->dev,
912 ring->txhdr_cache, 911 ring->txhdr_cache,
913 sizeof(struct b43legacy_txhdr_fw3), 912 sizeof(struct b43legacy_txhdr_fw3),
914 DMA_TO_DEVICE); 913 DMA_TO_DEVICE);
@@ -918,9 +917,9 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
918 goto err_kfree_txhdr_cache; 917 goto err_kfree_txhdr_cache;
919 } 918 }
920 919
921 dma_unmap_single(dev->dev->dma_dev, 920 ssb_dma_unmap_single(dev->dev, dma_test,
922 dma_test, sizeof(struct b43legacy_txhdr_fw3), 921 sizeof(struct b43legacy_txhdr_fw3),
923 DMA_TO_DEVICE); 922 DMA_TO_DEVICE);
924 } 923 }
925 924
926 ring->nr_slots = nr_slots; 925 ring->nr_slots = nr_slots;