diff options
Diffstat (limited to 'arch/sh/kernel/dma-nommu.c')
-rw-r--r-- | arch/sh/kernel/dma-nommu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/sh/kernel/dma-nommu.c b/arch/sh/kernel/dma-nommu.c index b336fcf40f1..3c55b87f8b6 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, }; |