diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index eff954852c2..856ee1bdee5 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -227,13 +227,22 @@ extern dma_addr_t dma_map_single(struct device *,void *, size_t, enum dma_data_d * can regain ownership by calling dma_unmap_page() or * dma_sync_single_for_cpu(). */ +#ifndef CONFIG_DMABOUNCE static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir) { - return dma_map_single(dev, page_address(page) + offset, size, dir); + if (!arch_is_coherent()) + dma_cache_maint(page_address(page) + offset, size, dir); + + return page_to_dma(dev, page) + offset; } +#else +extern dma_addr_t dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction dir); +#endif /** * dma_unmap_single - unmap a single buffer previously mapped |