diff --git a/drivers/clk/sunxi/clk-factors.c b/drivers/clk/sunxi/clk-factors.c
index 5687ac9bd85a..f05207a27e5f 100644
--- a/drivers/clk/sunxi/clk-factors.c
+++ b/drivers/clk/sunxi/clk-factors.c
@@ -88,7 +88,7 @@ static long clk_factors_round_rate(struct clk_hw *hw, unsigned long rate,
 static int clk_factors_set_rate(struct clk_hw *hw, unsigned long rate,
 				unsigned long parent_rate)
 {
-	u8 n, k, m, p;
+	u8 n = 0, k = 0, m = 0, p = 0;
 	u32 reg;
 	struct clk_factors *factors = to_clk_factors(hw);
 	struct clk_factors_config *config = factors->config;