[ARM] Add a common typesafe __io implementation

[safe/jmp/linux-2.6] / arch / arm / include / asm / io.h

diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index a809445..d2a59cf 100644 (file)
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -80,6 +80,14 @@ extern void __iounmap(volatile void __iomem *addr);
 extern void __readwrite_bug(const char *fn);
 
 /*
+ * A typesafe __io() helper
+ */
+static inline void __iomem *__typesafe_io(unsigned long addr)
+{
+       return (void __iomem *)addr;
+}
+
+/*
  * Now, pick up the machine-defined IO definitions
  */
 #include <mach/io.h>