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-rw-r--r--arch/powerpc/include/asm/dma-mapping.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 6ff1f8581d79..0c34371ec49c 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -437,6 +437,16 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
437 return addr + size <= *dev->dma_mask; 437 return addr + size <= *dev->dma_mask;
438} 438}
439 439
440static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
441{
442 return paddr + get_dma_direct_offset(dev);
443}
444
445static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
446{
447 return daddr - get_dma_direct_offset(dev);
448}
449
440#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) 450#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
441#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) 451#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
442#ifdef CONFIG_NOT_COHERENT_CACHE 452#ifdef CONFIG_NOT_COHERENT_CACHE