diff options
Diffstat (limited to 'arch/powerpc/kernel/dma-iommu.c')
| -rw-r--r-- | arch/powerpc/kernel/dma-iommu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c index fb7cbaa37658..8f7abf9baa63 100644 --- a/arch/powerpc/kernel/dma-iommu.c +++ b/arch/powerpc/kernel/dma-iommu.c @@ -105,6 +105,11 @@ static u64 dma_iommu_get_required_mask(struct device *dev) return mask; } +int dma_iommu_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + return dma_addr == IOMMU_MAPPING_ERROR; +} + struct dma_map_ops dma_iommu_ops = { .alloc = dma_iommu_alloc_coherent, .free = dma_iommu_free_coherent, @@ -115,5 +120,6 @@ struct dma_map_ops dma_iommu_ops = { .map_page = dma_iommu_map_page, .unmap_page = dma_iommu_unmap_page, .get_required_mask = dma_iommu_get_required_mask, + .mapping_error = dma_iommu_mapping_error, }; EXPORT_SYMBOL(dma_iommu_ops); |