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-rw-r--r--arch/powerpc/include/asm/dma-mapping.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index e281daebddca..80a973bb9e71 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -197,7 +197,7 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
197 if (!dev->dma_mask) 197 if (!dev->dma_mask)
198 return 0; 198 return 0;
199 199
200 return addr + size <= *dev->dma_mask; 200 return addr + size - 1 <= *dev->dma_mask;
201} 201}
202 202
203static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) 203static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)