MIPS: DMA: Allow platforms to override only the post DMA hook

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / arch / mips / include / asm / mach-generic / dma-coherence.h

diff --git a/arch/mips/include/asm/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h
index 6713309..0f8a354 100644 (file)
--- a/arch/mips/include/asm/mach-generic/dma-coherence.h
+++ b/arch/mips/include/asm/mach-generic/dma-coherence.h
@@ -52,9 +52,11 @@ static inline int plat_device_is_coherent(struct device *dev)
        return coherentio;
 }
 
+#ifndef plat_post_dma_flush
 static inline void plat_post_dma_flush(struct device *dev)
 {
 }
+#endif
 
 #ifdef CONFIG_SWIOTLB
 static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)