extcon: Move OF helper function to extcon core and change function name
This patch move simply OF helper function to extcon core and change function
name as following:
- of_extcon_get_extcon_dev() -> extcon_get_edev_by_phandle()
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Felipe Balbi <balbi@ti.com>
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 21c59af..f488145 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -240,6 +240,12 @@
struct notifier_block *nb);
extern int extcon_unregister_notifier(struct extcon_dev *edev,
struct notifier_block *nb);
+
+/*
+ * Following API get the extcon device from devicetree.
+ * This function use phandle of devicetree to get extcon device directly.
+ */
+extern struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, int index);
#else /* CONFIG_EXTCON */
static inline int extcon_dev_register(struct extcon_dev *edev)
{
@@ -324,5 +330,11 @@
{
return 0;
}
+
+static inline struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev,
+ int index)
+{
+ return ERR_PTR(-ENODEV);
+}
#endif /* CONFIG_EXTCON */
#endif /* __LINUX_EXTCON_H__ */