[PATCH] m32r: NONCACHE_OFFSET in _port2addr

Change _port2addr() not to add NONCACHE_OFFSET.  Adding NONCACHE_OFFSET
requires needless address adjusting by a driver using ioremap() like a
SMC91x driver.

Signed-off-by: Hayato Fujiwara <fujiwara@linux-m32r.org>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/m32r/kernel/io_mappi2.c b/arch/m32r/kernel/io_mappi2.c
index 5c03504..d04e90a 100644
--- a/arch/m32r/kernel/io_mappi2.c
+++ b/arch/m32r/kernel/io_mappi2.c
@@ -33,7 +33,7 @@
 
 static inline void *_port2addr(unsigned long port)
 {
-	return (void *)(port + NONCACHE_OFFSET);
+	return (void *)(port | (NONCACHE_OFFSET));
 }
 
 #define LAN_IOSTART	0x300