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-rw-r--r--arch/powerpc/boot/ops.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index 86077066cd7c..aebd6edc9a90 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -191,4 +191,6 @@ static inline void exit(void)
static char _bss_stack[size]; \
void *_platform_stack_top = _bss_stack + sizeof(_bss_stack);
+extern unsigned long timebase_period_ns;
+
#endif /* _PPC_BOOT_OPS_H_ */