diff --git a/drivers/clk/aspeed/clk_ast2500.c b/drivers/clk/aspeed/clk_ast2500.c
index a330dcda4dc..b07d7cd419c 100644
--- a/drivers/clk/aspeed/clk_ast2500.c
+++ b/drivers/clk/aspeed/clk_ast2500.c
@@ -534,7 +534,7 @@ static int ast2500_clk_enable(struct clk *clk)
 	return 0;
 }
 
-struct clk_ops ast2500_clk_ops = {
+static const struct clk_ops ast2500_clk_ops = {
 	.get_rate = ast2500_clk_get_rate,
 	.set_rate = ast2500_clk_set_rate,
 	.enable = ast2500_clk_enable,