Update b43 to work in AP mode

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12300 3c298f89-4303-0410-b956-a3cf2f4a3e73

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);