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b43legacy: replace the ssb_dma API with the generic DMA API
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Larry Finger <Larry.Finger@lwfinger.net> 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> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
parent
14f92952bf
commit
4e8031328b
@ -394,11 +394,11 @@ dma_addr_t map_descbuffer(struct b43legacy_dmaring *ring,
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dma_addr_t dmaaddr;
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if (tx)
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dmaaddr = ssb_dma_map_single(ring->dev->dev,
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dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
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buf, len,
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DMA_TO_DEVICE);
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else
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dmaaddr = ssb_dma_map_single(ring->dev->dev,
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dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
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buf, len,
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DMA_FROM_DEVICE);
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@ -412,11 +412,11 @@ void unmap_descbuffer(struct b43legacy_dmaring *ring,
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int tx)
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{
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if (tx)
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ssb_dma_unmap_single(ring->dev->dev,
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dma_unmap_single(ring->dev->dev->dma_dev,
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addr, len,
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DMA_TO_DEVICE);
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else
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ssb_dma_unmap_single(ring->dev->dev,
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dma_unmap_single(ring->dev->dev->dma_dev,
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addr, len,
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DMA_FROM_DEVICE);
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}
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@ -428,8 +428,8 @@ void sync_descbuffer_for_cpu(struct b43legacy_dmaring *ring,
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{
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B43legacy_WARN_ON(ring->tx);
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ssb_dma_sync_single_for_cpu(ring->dev->dev,
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addr, len, DMA_FROM_DEVICE);
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dma_sync_single_for_cpu(ring->dev->dev->dma_dev,
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addr, len, DMA_FROM_DEVICE);
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}
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static inline
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@ -439,8 +439,8 @@ void sync_descbuffer_for_device(struct b43legacy_dmaring *ring,
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{
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B43legacy_WARN_ON(ring->tx);
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ssb_dma_sync_single_for_device(ring->dev->dev,
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addr, len, DMA_FROM_DEVICE);
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dma_sync_single_for_device(ring->dev->dev->dma_dev,
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addr, len, DMA_FROM_DEVICE);
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}
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static inline
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@ -460,10 +460,10 @@ void free_descriptor_buffer(struct b43legacy_dmaring *ring,
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static int alloc_ringmemory(struct b43legacy_dmaring *ring)
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{
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/* GFP flags must match the flags in free_ringmemory()! */
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ring->descbase = ssb_dma_alloc_consistent(ring->dev->dev,
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B43legacy_DMA_RINGMEMSIZE,
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&(ring->dmabase),
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GFP_KERNEL);
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ring->descbase = dma_alloc_coherent(ring->dev->dev->dma_dev,
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B43legacy_DMA_RINGMEMSIZE,
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&(ring->dmabase),
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GFP_KERNEL);
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if (!ring->descbase) {
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b43legacyerr(ring->dev->wl, "DMA ringmemory allocation"
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" failed\n");
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@ -476,8 +476,8 @@ static int alloc_ringmemory(struct b43legacy_dmaring *ring)
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static void free_ringmemory(struct b43legacy_dmaring *ring)
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{
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ssb_dma_free_consistent(ring->dev->dev, B43legacy_DMA_RINGMEMSIZE,
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ring->descbase, ring->dmabase, GFP_KERNEL);
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dma_free_coherent(ring->dev->dev->dma_dev, B43legacy_DMA_RINGMEMSIZE,
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ring->descbase, ring->dmabase);
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}
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/* Reset the RX DMA channel */
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@ -589,7 +589,7 @@ static bool b43legacy_dma_mapping_error(struct b43legacy_dmaring *ring,
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size_t buffersize,
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bool dma_to_device)
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{
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if (unlikely(ssb_dma_mapping_error(ring->dev->dev, addr)))
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if (unlikely(dma_mapping_error(ring->dev->dev->dma_dev, addr)))
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return 1;
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switch (ring->type) {
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@ -906,7 +906,7 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
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goto err_kfree_meta;
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/* test for ability to dma to txhdr_cache */
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dma_test = ssb_dma_map_single(dev->dev, ring->txhdr_cache,
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dma_test = dma_map_single(dev->dev->dma_dev, ring->txhdr_cache,
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sizeof(struct b43legacy_txhdr_fw3),
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DMA_TO_DEVICE);
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@ -920,7 +920,7 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
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if (!ring->txhdr_cache)
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goto err_kfree_meta;
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dma_test = ssb_dma_map_single(dev->dev,
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dma_test = dma_map_single(dev->dev->dma_dev,
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ring->txhdr_cache,
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sizeof(struct b43legacy_txhdr_fw3),
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DMA_TO_DEVICE);
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@ -930,9 +930,9 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
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goto err_kfree_txhdr_cache;
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}
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ssb_dma_unmap_single(dev->dev, dma_test,
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sizeof(struct b43legacy_txhdr_fw3),
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DMA_TO_DEVICE);
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dma_unmap_single(dev->dev->dma_dev, dma_test,
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sizeof(struct b43legacy_txhdr_fw3),
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DMA_TO_DEVICE);
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}
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ring->nr_slots = nr_slots;
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@ -1040,9 +1040,12 @@ static int b43legacy_dma_set_mask(struct b43legacy_wldev *dev, u64 mask)
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/* Try to set the DMA mask. If it fails, try falling back to a
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* lower mask, as we can always also support a lower one. */
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while (1) {
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err = ssb_dma_set_mask(dev->dev, mask);
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if (!err)
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break;
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err = dma_set_mask(dev->dev->dma_dev, mask);
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if (!err) {
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err = dma_set_coherent_mask(dev->dev->dma_dev, mask);
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if (!err)
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break;
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}
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if (mask == DMA_BIT_MASK(64)) {
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mask = DMA_BIT_MASK(32);
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fallback = 1;
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