ARM64: config: enable DRM relevant config

[firefly-linux-kernel-4.4.55.git] / include / linux / dma-iommu.h

diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h
index fc481037478ae94aaa1b9bf53d2f3ad38c26aed5..01a836c43dc38f08d14b8be132a66a28e130caef 100644 (file)
--- a/include/linux/dma-iommu.h
+++ b/include/linux/dma-iommu.h
@@ -62,6 +62,10 @@ void iommu_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
 int iommu_dma_supported(struct device *dev, u64 mask);
 int iommu_dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
 
+bool common_iommu_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
+                                 const struct iommu_ops *ops);
+void common_iommu_teardown_dma_ops(struct device *dev);
+
 #else
 
 struct iommu_domain;
@@ -80,6 +84,16 @@ static inline void iommu_put_dma_cookie(struct iommu_domain *domain)
 {
 }
 
+static inline bool common_iommu_setup_dma_ops(struct device *dev, u64 dma_base,
+                                       u64 size, const struct iommu_ops *ops)
+{
+       return false;
+}
+
+static inline void common_iommu_teardown_dma_ops(struct device *dev)
+{
+}
+
 #endif /* CONFIG_IOMMU_DMA */
 #endif /* __KERNEL__ */
 #endif /* __DMA_IOMMU_H */