diff --git a/drivers/clk/clk-loongson2.c b/drivers/clk/clk-loongson2.c
index 820bb1e9e3b79..e99ba79feec62 100644
--- a/drivers/clk/clk-loongson2.c
+++ b/drivers/clk/clk-loongson2.c
@@ -29,8 +29,10 @@ enum loongson2_clk_type {
 struct loongson2_clk_provider {
 	void __iomem *base;
 	struct device *dev;
-	struct clk_hw_onecell_data clk_data;
 	spinlock_t clk_lock;	/* protect access to DIV registers */
+
+	/* Must be last --ends in a flexible-array member. */
+	struct clk_hw_onecell_data clk_data;
 };
 
 struct loongson2_clk_data {