1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
index 6d3d40036d1b..75476b3d87da 100644
--- a/drivers/pinctrl/core.h
+++ b/drivers/pinctrl/core.h
@@ -33,6 +33,7 @@ struct pinctrl_gpio_range;
  * @p: result of pinctrl_get() for this device
  * @hog_default: default state for pins hogged by this device
  * @hog_sleep: sleep state for pins hogged by this device
+ * @mutex: mutex taken on each pin controller specific action
  * @device_root: debugfs root for this device
  */
 struct pinctrl_dev {
@@ -46,6 +47,7 @@ struct pinctrl_dev {
         struct pinctrl *p;
         struct pinctrl_state *hog_default;
         struct pinctrl_state *hog_sleep;
+        struct mutex mutex;
 #ifdef CONFIG_DEBUG_FS
         struct dentry *device_root;
 #endif
@@ -168,6 +170,7 @@ struct pinctrl_maps {
 };
 
 struct pinctrl_dev *get_pinctrl_dev_from_devname(const char *dev_name);
+struct pinctrl_dev *get_pinctrl_dev_from_of_node(struct device_node *np);
 int pin_get_from_name(struct pinctrl_dev *pctldev, const char *name);
 const char *pin_get_name(struct pinctrl_dev *pctldev, const unsigned pin);
 int pinctrl_get_group_selector(struct pinctrl_dev *pctldev,
@@ -186,8 +189,7 @@ void pinctrl_unregister_map(struct pinctrl_map const *map);
 extern int pinctrl_force_sleep(struct pinctrl_dev *pctldev);
 extern int pinctrl_force_default(struct pinctrl_dev *pctldev);
 
-extern struct mutex pinctrl_mutex;
-extern struct list_head pinctrldev_list;
+extern struct mutex pinctrl_maps_mutex;
 extern struct list_head pinctrl_maps;
 
 #define for_each_maps(_maps_node_, _i_, _map_) \