--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -43,6 +43,15 @@ err_out:
 	return NULL;
 }
 
+void mtk_free_clk_data(struct clk_onecell_data *clk_data)
+{
+	if (!clk_data)
+		return;
+
+	kfree(clk_data->clks);
+	kfree(clk_data);
+}
+
 void mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks,
 		int num, struct clk_onecell_data *clk_data)
 {
--- a/drivers/clk/mediatek/clk-mtk.h
+++ b/drivers/clk/mediatek/clk-mtk.h
@@ -202,6 +202,7 @@ void mtk_clk_register_dividers(const str
 				struct clk_onecell_data *clk_data);
 
 struct clk_onecell_data *mtk_alloc_clk_data(unsigned int clk_num);
+void mtk_free_clk_data(struct clk_onecell_data *clk_data);
 
 #define HAVE_RST_BAR	BIT(0)
 #define PLL_AO		BIT(1)