1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/char/rio/rio_linux.h b/drivers/char/rio/rio_linux.h
index 99c7447b6113..55b9c97e8477 100644
--- a/drivers/char/rio/rio_linux.h
+++ b/drivers/char/rio/rio_linux.h
@@ -138,12 +138,23 @@ static inline void __iomem *rio_memcpy_toio(void __iomem *dummy, void __iomem *d
 
         while (n--) {
                 writeb(*src++, dst++);
-                (void) readb(dummy);    /* WTF? */
+                (void) readb(dummy);
         }
 
         return dest;
 }
 
+static inline void __iomem *rio_copy_toio(void __iomem *dest, void *source, int n)
+{
+        char __iomem *dst = dest;
+        char *src = source;
+
+        while (n--)
+                writeb(*src++, dst++);
+
+        return dest;
+}
+
 
 static inline void *rio_memcpy_fromio(void *dest, void __iomem *source, int n)
 {
@@ -158,6 +169,7 @@ static inline void *rio_memcpy_fromio(void *dest, void __iomem *source, int n)
 
 #else
 #define rio_memcpy_toio(dummy,dest,source,n)   memcpy_toio(dest, source, n)
+#define rio_copy_toio                          memcpy_toio
 #define rio_memcpy_fromio                      memcpy_fromio
 #endif