diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
index 5c7f9f28103b..363aa28fae57 100644
--- a/drivers/staging/media/imx/imx7-mipi-csis.c
+++ b/drivers/staging/media/imx/imx7-mipi-csis.c
@@ -309,7 +309,7 @@ struct csi_state {
 	struct dentry *debugfs_root;
 	bool debug;
 
-	int num_clks;
+	unsigned int num_clks;
 	struct clk_bulk_data *clks;
 
 	u32 clk_frequency;