int arm_coherent_iommu_map_sg(struct device *dev, struct scatterlist *sg,
		int nents, enum dma_data_direction dir, struct dma_attrs *attrs)
{
	return __iommu_map_sg(dev, sg, nents, dir, attrs, true);
}
int arm_coherent_iommu_map_sg(struct device *dev, struct scatterlist *sg,
		int nents, enum dma_data_direction dir, struct dma_attrs *attrs)
{
	return __iommu_map_sg(dev, sg, nents, dir, attrs, true);
}