1 files changed, 1 insertions, 1 deletions

diff --git a/arch/m32r/kernel/io_opsput.c b/arch/m32r/kernel/io_opsput.c
index e34951e8156f..5ac84b16faaf 100644
--- a/arch/m32r/kernel/io_opsput.c
+++ b/arch/m32r/kernel/io_opsput.c
@@ -36,7 +36,7 @@ extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int);
 
 static inline void *_port2addr(unsigned long port)
 {
-        return (void *)(port + NONCACHE_OFFSET);
+        return (void *)(port | (NONCACHE_OFFSET));
 }
 
 /*