MIPS: DMA: Implement platform hook to perform post-DMA cache flushes.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h
index 7629c35986f7..671330928e67 100644
--- a/arch/mips/include/asm/mach-generic/dma-coherence.h
+++ b/arch/mips/include/asm/mach-generic/dma-coherence.h
@@ -52,6 +52,10 @@ static inline int plat_device_is_coherent(struct device *dev)
         return coherentio;
 }
 
+static inline void plat_post_dma_flush(struct device *dev)
+{
+}
+
 #ifdef CONFIG_SWIOTLB
 static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
 {