diff options
Diffstat (limited to 'package/b43/patches/002-ssb-backport.patch')
| -rw-r--r-- | package/b43/patches/002-ssb-backport.patch | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/package/b43/patches/002-ssb-backport.patch b/package/b43/patches/002-ssb-backport.patch new file mode 100644 index 0000000000..b1a7ad247e --- /dev/null +++ b/package/b43/patches/002-ssb-backport.patch @@ -0,0 +1,152 @@ +Index: b43/dma.c +=================================================================== +--- b43.orig/dma.c 2008-07-27 13:56:25.000000000 +0200 ++++ b43/dma.c 2008-07-27 14:02:26.000000000 +0200 +@@ -328,11 +328,11 @@ 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; +@@ -343,11 +343,11 @@ 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); + } + } + +@@ -356,8 +356,8 @@ static inline + dma_addr_t addr, size_t len) + { + B43_WARN_ON(ring->tx); +- ssb_dma_sync_single_for_cpu(ring->dev->dev, +- addr, len, DMA_FROM_DEVICE); ++ dma_sync_single_for_cpu(ring->dev->dev->dma_dev, ++ addr, len, DMA_FROM_DEVICE); + } + + static inline +@@ -365,8 +365,8 @@ 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 +@@ -381,6 +381,7 @@ static inline + + static int alloc_ringmemory(struct b43_dmaring *ring) + { ++ struct device *dma_dev = ring->dev->dev->dma_dev; + gfp_t flags = GFP_KERNEL; + + /* The specs call for 4K buffers for 30- and 32-bit DMA with 4K +@@ -391,14 +392,11 @@ static int alloc_ringmemory(struct b43_dmaring *ring) + * For unknown reasons - possibly a hardware error - the BCM4311 rev + * 02, which uses 64-bit DMA, needs the ring buffer in very low memory, + * which accounts for the GFP_DMA flag below. +- * +- * The flags here must match the flags in free_ringmemory below! + */ + 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(dma_dev, B43_DMA_RINGMEMSIZE, ++ &(ring->dmabase), flags); + if (!ring->descbase) { + b43err(ring->dev->wl, "DMA ringmemory allocation failed\n"); + return -ENOMEM; +@@ -410,13 +408,10 @@ static int alloc_ringmemory(struct b43_dmaring *ring) + + static void free_ringmemory(struct b43_dmaring *ring) + { +- gfp_t flags = GFP_KERNEL; +- +- if (ring->type == B43_DMA_64BIT) +- flags |= GFP_DMA; ++ struct device *dma_dev = ring->dev->dev->dma_dev; + +- ssb_dma_free_consistent(ring->dev->dev, B43_DMA_RINGMEMSIZE, +- ring->descbase, ring->dmabase, flags); ++ dma_free_coherent(dma_dev, B43_DMA_RINGMEMSIZE, ++ ring->descbase, ring->dmabase); + } + + /* Reset the RX DMA channel */ +@@ -523,7 +518,7 @@ 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(addr))) + return 1; + + switch (ring->type) { +@@ -849,10 +844,10 @@ 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)) { +@@ -864,10 +859,10 @@ 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)) { +@@ -878,9 +873,9 @@ 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); |