diff --git a/drivers/clk/sunxi/clk-sun8i-bus-gates.c b/drivers/clk/sunxi/clk-sun8i-bus-gates.c
index 7ab60c59dc8d6ff7c4f276ab0241c1cf73dde48c..b8c775324a5c929c93de9d1bf85cda2fd3fdcb5a 100644
--- a/drivers/clk/sunxi/clk-sun8i-bus-gates.c
+++ b/drivers/clk/sunxi/clk-sun8i-bus-gates.c
@@ -40,7 +40,7 @@ static void __init sun8i_h3_bus_gates_init(struct device_node *node)
 	const __be32 *p;
 	int number, i;
 	u8 clk_bit;
-	u32 index;
+	int index;
 
 	reg = of_io_request_and_map(node, 0, of_node_full_name(node));
 	if (IS_ERR(reg))