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-rw-r--r--arch/arm/include/asm/io.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index a8094451be57..d2a59cfc30ce 100644
--- 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>
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