1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/kernel/io.c b/arch/powerpc/kernel/io.c
index 1882bf419fa6..8dc7547c2377 100644
--- a/arch/powerpc/kernel/io.c
+++ b/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;