diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index f086509a28d3..f41c312673f4 100644
--- a/drivers/pinctrl/pinctrl-sunxi.c
+++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -812,7 +812,7 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
 	if (!device)
 		return -ENODEV;
 
-	pctl->desc = (struct sunxi_pinctrl_desc *)device->data;
+	pctl->desc = device->data;
 
 	ret = sunxi_pinctrl_build_state(pdev);
 	if (ret) {
diff --git a/drivers/pinctrl/pinctrl-sunxi.h b/drivers/pinctrl/pinctrl-sunxi.h
index 35d15b229a70..90040accb11c 100644
--- a/drivers/pinctrl/pinctrl-sunxi.h
+++ b/drivers/pinctrl/pinctrl-sunxi.h
@@ -468,7 +468,7 @@ struct sunxi_pinctrl_group {
 struct sunxi_pinctrl {
 	void __iomem			*membase;
 	struct gpio_chip		*chip;
-	struct sunxi_pinctrl_desc	*desc;
+	const struct sunxi_pinctrl_desc	*desc;
 	struct device			*dev;
 	struct irq_domain		*domain;
 	struct sunxi_pinctrl_function	*functions;