Merge remote-tracking branch 'drivers-x86/for-next'

[karo-tx-linux.git] / arch / arm64 / include / asm / dma-mapping.h

diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
index cfdb34bedbcd8adeb0a6f012a02459042726030b..54d0ead41afc656e8b06a0850860b164a8b67eaa 100644 (file)
--- a/arch/arm64/include/asm/dma-mapping.h
+++ b/arch/arm64/include/asm/dma-mapping.h
@@ -54,16 +54,15 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev)
                return __generic_dma_ops(dev);
 }
 
-static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
-                                     struct iommu_ops *iommu, bool coherent)
-{
-       if (!acpi_disabled && !dev->archdata.dma_ops)
-               dev->archdata.dma_ops = dma_ops;
-
-       dev->archdata.dma_coherent = coherent;
-}
+void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
+                       struct iommu_ops *iommu, bool coherent);
 #define arch_setup_dma_ops     arch_setup_dma_ops
 
+#ifdef CONFIG_IOMMU_DMA
+void arch_teardown_dma_ops(struct device *dev);
+#define arch_teardown_dma_ops  arch_teardown_dma_ops
+#endif
+
 /* do not use this function in a driver */
 static inline bool is_device_dma_coherent(struct device *dev)
 {