diff --git a/drivers/counter/microchip-tcb-capture.c b/drivers/counter/microchip-tcb-capture.c
index 461f57f66631..fbd1afe178a3 100644
--- a/drivers/counter/microchip-tcb-capture.c
+++ b/drivers/counter/microchip-tcb-capture.c
@@ -309,7 +309,7 @@ static int mchp_tc_probe(struct platform_device *pdev)
 	char clk_name[7];
 	struct regmap *regmap;
 	struct clk *clk[3];
-	int channel;
+	u32 channel;
 	int ret, i;
 
 	counter = devm_counter_alloc(&pdev->dev, sizeof(*priv));
@@ -343,7 +343,7 @@ static int mchp_tc_probe(struct platform_device *pdev)
 
 		priv->channel[i] = channel;
 
-		snprintf(clk_name, sizeof(clk_name), "t%d_clk", channel);
+		snprintf(clk_name, sizeof(clk_name), "t%u_clk", channel);
 
 		clk[i] = of_clk_get_by_name(np->parent, clk_name);
 		if (IS_ERR(clk[i])) {