[Blackfin] arch: Add dma_map_page and dma_unmap_page stub for MMC SPI compiling
Signed-off-by: Bryan Wu <cooloney@kernel.org>
diff --git a/include/asm-blackfin/dma-mapping.h b/include/asm-blackfin/dma-mapping.h
index 282fabc..1a13c2f 100644
--- a/include/asm-blackfin/dma-mapping.h
+++ b/include/asm-blackfin/dma-mapping.h
@@ -27,6 +27,14 @@
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 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