diff --git a/[refs] b/[refs]
index d8b4863b1bd7..75edfbae0ffc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5cc17d7e01abd77eda1267a75748cfc84c92a523
+refs/heads/master: a22c65f81ae28656b80d2acc687cf6318eb15bba
diff --git a/trunk/arch/powerpc/kernel/io.c b/trunk/arch/powerpc/kernel/io.c
index 1882bf419fa6..8dc7547c2377 100644
--- a/trunk/arch/powerpc/kernel/io.c
+++ b/trunk/arch/powerpc/kernel/io.c
@@ -161,7 +161,7 @@ void _memcpy_fromio(void *dest, const volatile void __iomem *src,
 		dest++;
 		n--;
 	}
-	while(n > 4) {
+	while(n >= 4) {
 		*((u32 *)dest) = *((volatile u32 *)vsrc);
 		eieio();
 		vsrc += 4;
@@ -190,7 +190,7 @@ void _memcpy_toio(volatile void __iomem *dest, const void *src, unsigned long n)
 		vdest++;
 		n--;
 	}
-	while(n > 4) {
+	while(n >= 4) {
 		*((volatile u32 *)vdest) = *((volatile u32 *)src);
 		src += 4;
 		vdest += 4;