1 files changed, 1 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/udbg.h b/arch/powerpc/include/asm/udbg.h
index 6418ceea44b..cd21e5e6b04 100644
--- a/arch/powerpc/include/asm/udbg.h
+++ b/arch/powerpc/include/asm/udbg.h
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 
 extern void (*udbg_putc)(char c);
+extern void (*udbg_flush)(void);
 extern int (*udbg_getc)(void);
 extern int (*udbg_getc_poll)(void);