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Diffstat (limited to 'arch/arm64/include/asm/dma-mapping.h')
-rw-r--r--arch/arm64/include/asm/dma-mapping.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
index b7847eb8a7bb..c41f3fb1446c 100644
--- a/arch/arm64/include/asm/dma-mapping.h
+++ b/arch/arm64/include/asm/dma-mapping.h
@@ -44,10 +44,13 @@ 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 */
+/*
+ * Do not use this function in a driver, it is only provided for
+ * arch/arm/mm/xen.c, which is used by arm64 as well.
+ */
static inline bool is_device_dma_coherent(struct device *dev)
{
- return dev->archdata.dma_coherent;
+ return dev->dma_coherent;
}
#endif /* __KERNEL__ */