1 files changed, 5 insertions, 2 deletions

diff --git a/arch/sh/kernel/dma-nommu.c b/arch/sh/kernel/dma-nommu.c
index eadb669a7329..47fee3b6e29c 100644
--- a/arch/sh/kernel/dma-nommu.c
+++ b/arch/sh/kernel/dma-nommu.c
@@ -18,7 +18,9 @@ static dma_addr_t nommu_map_page(struct device *dev, struct page *page,
         dma_addr_t addr = page_to_phys(page) + offset;
 
         WARN_ON(size == 0);
-        dma_cache_sync(dev, page_address(page) + offset, size, dir);
+
+        if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC))
+                dma_cache_sync(dev, page_address(page) + offset, size, dir);
 
         return addr;
 }
@@ -35,7 +37,8 @@ static int nommu_map_sg(struct device *dev, struct scatterlist *sg,
         for_each_sg(sg, s, nents, i) {
                 BUG_ON(!sg_page(s));
 
-                dma_cache_sync(dev, sg_virt(s), s->length, dir);
+                if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC))
+                        dma_cache_sync(dev, sg_virt(s), s->length, dir);
 
                 s->dma_address = sg_phys(s);
                 s->dma_length = s->length;