diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c
index 7321e86..eb3a14f 100644
--- a/drivers/pinctrl/pinconf.c
+++ b/drivers/pinctrl/pinconf.c
@@ -495,6 +495,7 @@
 	struct pinctrl_dev *pctldev = s->private;
 	const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
 	const struct pinconf_ops *ops = pctldev->desc->confops;
+	unsigned ngroups = pctlops->get_groups_count(pctldev);
 	unsigned selector = 0;
 
 	if (!ops || !ops->pin_config_group_get)
@@ -505,7 +506,7 @@
 
 	mutex_lock(&pinctrl_mutex);
 
-	while (pctlops->list_groups(pctldev, selector) >= 0) {
+	while (selector < ngroups) {
 		const char *gname = pctlops->get_group_name(pctldev, selector);
 
 		seq_printf(s, "%u (%s):", selector, gname);