MIPS: Support per-device DMA coherence

[linux.git] / arch / mips / include / asm / dma-mapping.h

diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index 12fa79e2f1b4fc7fe7c66f1f93d344bb7f1d67fb..7aa71b9b0258f1fc349fbc2cc78b1b928ac730f8 100644 (file)
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -32,4 +32,14 @@ static inline void dma_mark_clean(void *addr, size_t size) {}
 extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
               enum dma_data_direction direction);
 
+#define arch_setup_dma_ops arch_setup_dma_ops
+static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base,
+                                     u64 size, const struct iommu_ops *iommu,
+                                     bool coherent)
+{
+#ifdef CONFIG_DMA_PERDEV_COHERENT
+       dev->archdata.dma_coherent = coherent;
+#endif
+}
+
 #endif /* _ASM_DMA_MAPPING_H */