1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/io.h b/include/linux/io.h
index 85533ec5aaa1..420e2fdf26f6 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -21,5 +21,6 @@
 #include <asm/io.h>
 
 void __iowrite32_copy(void __iomem *to, const void *from, size_t count);
+void __iowrite64_copy(void __iomem *to, const void *from, size_t count);
 
 #endif /* _LINUX_IO_H */