1 files changed, 4 insertions, 0 deletions

diff --git a/arch/sh/kernel/dma-nommu.c b/arch/sh/kernel/dma-nommu.c
index b336fcf40f12..3c55b87f8b63 100644
--- a/arch/sh/kernel/dma-nommu.c
+++ b/arch/sh/kernel/dma-nommu.c
@@ -44,6 +44,7 @@ static int nommu_map_sg(struct device *dev, struct scatterlist *sg,
         return nents;
 }
 
+#ifdef CONFIG_DMA_NONCOHERENT
 static void nommu_sync_single(struct device *dev, dma_addr_t addr,
                               size_t size, enum dma_data_direction dir)
 {
@@ -59,14 +60,17 @@ static void nommu_sync_sg(struct device *dev, struct scatterlist *sg,
         for_each_sg(sg, s, nelems, i)
                 dma_cache_sync(dev, sg_virt(s), s->length, dir);
 }
+#endif
 
 struct dma_map_ops nommu_dma_ops = {
         .alloc_coherent         = dma_generic_alloc_coherent,
         .free_coherent          = dma_generic_free_coherent,
         .map_page               = nommu_map_page,
         .map_sg                 = nommu_map_sg,
+#ifdef CONFIG_DMA_NONCOHERENT
         .sync_single_for_device = nommu_sync_single,
         .sync_sg_for_device     = nommu_sync_sg,
+#endif
         .is_phys                = 1,
 };