diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index b2eaf8d..ceb6327 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -329,7 +329,7 @@
 
 	seq_puts(s, "registered pin groups:\n");
 	while (ops->list_groups(pctldev, selector) >= 0) {
-		unsigned *pins;
+		const unsigned *pins;
 		unsigned num_pins;
 		const char *gname = ops->get_group_name(pctldev, selector);
 		int ret;
diff --git a/drivers/pinctrl/pinmux-sirf.c b/drivers/pinctrl/pinmux-sirf.c
index c48c563..ddcea18 100644
--- a/drivers/pinctrl/pinmux-sirf.c
+++ b/drivers/pinctrl/pinmux-sirf.c
@@ -869,12 +869,12 @@
 }
 
 static int sirfsoc_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector,
-			       unsigned ** const pins,
-			       unsigned * const num_pins)
+			       const unsigned **pins,
+			       const unsigned *num_pins)
 {
 	if (selector >= ARRAY_SIZE(sirfsoc_pin_groups))
 		return -EINVAL;
-	*pins = (unsigned *) sirfsoc_pin_groups[selector].pins;
+	*pins = sirfsoc_pin_groups[selector].pins;
 	*num_pins = sirfsoc_pin_groups[selector].num_pins;
 	return 0;
 }
diff --git a/drivers/pinctrl/pinmux-u300.c b/drivers/pinctrl/pinmux-u300.c
index f9db1ce..71d23b7 100644
--- a/drivers/pinctrl/pinmux-u300.c
+++ b/drivers/pinctrl/pinmux-u300.c
@@ -849,12 +849,12 @@
 }
 
 static int u300_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector,
-			       unsigned ** const pins,
-			       unsigned * const num_pins)
+			       const unsigned **pins,
+			       unsigned *num_pins)
 {
 	if (selector >= ARRAY_SIZE(u300_pin_groups))
 		return -EINVAL;
-	*pins = (unsigned *) u300_pin_groups[selector].pins;
+	*pins = u300_pin_groups[selector].pins;
 	*num_pins = u300_pin_groups[selector].num_pins;
 	return 0;
 }
diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index 6544d98..90fb00d 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -326,7 +326,7 @@
 	const struct pinmux_ops *pmxops = pctldev->desc->pmxops;
 	const char *func = pmxops->get_function_name(pctldev,
 						     func_selector);
-	unsigned *pins;
+	const unsigned *pins;
 	unsigned num_pins;
 	int ret;
 	int i;
@@ -367,7 +367,7 @@
 			 unsigned group_selector)
 {
 	const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
-	unsigned *pins;
+	const unsigned *pins;
 	unsigned num_pins;
 	int ret;
 	int i;
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 4f8d208..3605e94 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -75,8 +75,8 @@
 				       unsigned selector);
 	int (*get_group_pins) (struct pinctrl_dev *pctldev,
 			       unsigned selector,
-			       unsigned ** const pins,
-			       unsigned * const num_pins);
+			       const unsigned **pins,
+			       unsigned *num_pins);
 	void (*pin_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s,
 			  unsigned offset);
 };