From 9fcdc78c5ebaba0970d006dd72376a815aee1efa Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Wed, 23 Apr 2008 07:41:52 +0800 Subject: [PATCH] [Blackfin] arch: Add dma_map_page and dma_unmap_page stub for MMC SPI compiling Signed-off-by: Bryan Wu --- include/asm-blackfin/dma-mapping.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/include/asm-blackfin/dma-mapping.h b/include/asm-blackfin/dma-mapping.h index 282fabccf6a6..1a13c2fc3667 100644 --- a/include/asm-blackfin/dma-mapping.h +++ b/include/asm-blackfin/dma-mapping.h @@ -27,6 +27,14 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr, extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction direction); +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); +} + /* * Unmap a single streaming mode DMA translation. The dma_addr and size * must match what was provided for in a previous pci_map_single call. All @@ -38,6 +46,13 @@ extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction); +static inline void +dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, + enum dma_data_direction dir) +{ + dma_unmap_single(dev, dma_addr, size, dir); +} + /* * Map a set of buffers described by scatterlist in streaming * mode for DMA. This is the scather-gather version of the