diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c
index 3c5e4e6dcf68..d87403e8ba1d 100644
--- a/arch/arm64/kernel/suspend.c
+++ b/arch/arm64/kernel/suspend.c
@@ -41,7 +41,7 @@ void notrace __cpu_suspend_save(struct cpu_suspend_ctx *ptr,
  * time the notifier runs debug exceptions might have been enabled already,
  * with HW breakpoints registers content still in an unknown state.
  */
-void (*hw_breakpoint_restore)(void *);
+static void (*hw_breakpoint_restore)(void *);
 void __init cpu_suspend_set_dbg_restorer(void (*hw_bp_restore)(void *))
 {
 	/* Prevent multiple restore hook initializations */