dma_iommu_dma_supported  147 arch/powerpc/include/asm/iommu.h extern int dma_iommu_dma_supported(struct device *dev, u64 mask);
dma_iommu_dma_supported  202 arch/powerpc/kernel/dma-iommu.c 	.dma_supported		= dma_iommu_dma_supported,
dma_iommu_dma_supported  606 arch/powerpc/platforms/pseries/vio.c 	.dma_supported     = dma_iommu_dma_supported,