ARM: dma-mapping: simplify page_to_dma() and __pfn_to_bus()

[linux-2.6-block.git] / arch / arm / include / asm / dma-mapping.h

diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index ff46dfa68a97f99c3c3db8854dac35d31b062dbd..5d78eb163953ff2feed71dab8c472be912ee6680 100644 (file)
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -15,20 +15,10 @@
  * must not be used by drivers.
  */
 #ifndef __arch_page_to_dma
-
-#if !defined(CONFIG_HIGHMEM)
-static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
-{
-       return (dma_addr_t)__virt_to_bus((unsigned long)page_address(page));
-}
-#elif defined(__pfn_to_bus)
 static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
 {
        return (dma_addr_t)__pfn_to_bus(page_to_pfn(page));
 }
-#else
-#error "this machine class needs to define __arch_page_to_dma to use HIGHMEM"
-#endif
 
 static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
 {