1 files changed, 1 insertions, 1 deletions

diff --git a/arch/m32r/kernel/io_oaks32r.c b/arch/m32r/kernel/io_oaks32r.c
index 9997dddd24d7..8be323931e4a 100644
--- a/arch/m32r/kernel/io_oaks32r.c
+++ b/arch/m32r/kernel/io_oaks32r.c
@@ -16,7 +16,7 @@
 
 static inline void *_port2addr(unsigned long port)
 {
-        return (void *)(port + NONCACHE_OFFSET);
+        return (void *)(port | (NONCACHE_OFFSET));
 }
 
 static inline  void *_port2addr_ne(unsigned long port)