ceaf481c4f
DMA_ERROR_CODE is going to go away, so don't rely on it. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: David S. Miller <davem@davemloft.net>
39 lines
946 B
C
39 lines
946 B
C
#ifndef ___ASM_SPARC_DMA_MAPPING_H
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#define ___ASM_SPARC_DMA_MAPPING_H
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#include <linux/scatterlist.h>
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#include <linux/mm.h>
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#include <linux/dma-debug.h>
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#define HAVE_ARCH_DMA_SUPPORTED 1
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int dma_supported(struct device *dev, u64 mask);
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static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
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enum dma_data_direction dir)
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{
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/* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this
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* routine can be a nop.
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*/
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}
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extern const struct dma_map_ops *dma_ops;
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extern const struct dma_map_ops *leon_dma_ops;
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extern const struct dma_map_ops pci32_dma_ops;
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extern struct bus_type pci_bus_type;
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static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
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{
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#ifdef CONFIG_SPARC_LEON
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if (sparc_cpu_model == sparc_leon)
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return leon_dma_ops;
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#endif
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#if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
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if (bus == &pci_bus_type)
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return &pci32_dma_ops;
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#endif
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return dma_ops;
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}
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#endif
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