[ARM] 3070/2: Add __ioremap_pfn() API

[pandora-kernel.git] / include / asm-arm / memory.h

diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h
index 3e57236..3d7f08b 100644 (file)
--- a/include/asm-arm/memory.h
+++ b/include/asm-arm/memory.h
@@ -57,6 +57,12 @@
 #define __phys_to_virt(x)      ((x) - PHYS_OFFSET + PAGE_OFFSET)
 #endif
 
+/*
+ * Convert a physical address to a Page Frame Number and back
+ */
+#define        __phys_to_pfn(paddr)    ((paddr) >> PAGE_SHIFT)
+#define        __pfn_to_phys(pfn)      ((pfn) << PAGE_SHIFT)
+
 /*
  * The module space lives between the addresses given by TASK_SIZE
  * and PAGE_OFFSET - it must be within 32MB of the kernel text.