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-rw-r--r--arch/mips/include/asm/dma-coherence.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/mips/include/asm/dma-coherence.h b/arch/mips/include/asm/dma-coherence.h
index 242cbb3ca582..bc5e85d579e6 100644
--- a/arch/mips/include/asm/dma-coherence.h
+++ b/arch/mips/include/asm/dma-coherence.h
@@ -9,7 +9,16 @@
#ifndef __ASM_DMA_COHERENCE_H
#define __ASM_DMA_COHERENCE_H
+#ifdef CONFIG_DMA_MAYBE_COHERENT
extern int coherentio;
extern int hw_coherentio;
+#else
+#ifdef CONFIG_DMA_COHERENT
+#define coherentio 1
+#else
+#define coherentio 0
+#endif
+#define hw_coherentio 0
+#endif /* CONFIG_DMA_MAYBE_COHERENT */
#endif