ARM: dma-mapping: provide dma_to_page()

[pandora-kernel.git] / arch / arm / mach-ks8695 / include / mach / memory.h

diff --git a/arch/arm/mach-ks8695/include/mach/memory.h b/arch/arm/mach-ks8695/include/mach/memory.h
index 76e5308..ffa19aa 100644 (file)
--- a/arch/arm/mach-ks8695/include/mach/memory.h
+++ b/arch/arm/mach-ks8695/include/mach/memory.h
@@ -41,6 +41,13 @@ extern struct bus_type platform_bus_type;
                __dma = __dma - PHYS_OFFSET + KS8695_PCIMEM_PA; \
           __dma; })
 
+#define __arch_dma_to_page(dev, x)     \
+       ({ dma_addr_t __dma = x;                                \
+          if (!is_lbus_device(dev))                            \
+               __dma += PHYS_OFFSET - KS8695_PCIMEM_PA;        \
+          phys_to_page(__dma);                                 \
+       })
+
 #endif
 
 #endif