+/**
+ * devm_of_phy_get_by_index() - lookup and obtain a reference to a phy by index.
+ * @dev: device that requests this phy
+ * @np: node containing the phy
+ * @index: index of the phy
+ *
+ * Gets the phy using _of_phy_get(), then gets a refcount to it,
+ * and associates a device with it using devres. On driver detach,
+ * release function is invoked on the devres data,
+ * then, devres data is freed.
+ *
+ */
+struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np,
+ int index)
+{
+ struct phy **ptr, *phy;
+
+ ptr = devres_alloc(devm_phy_release, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return ERR_PTR(-ENOMEM);
+
+ phy = _of_phy_get(np, index);
+ if (IS_ERR(phy)) {
+ devres_free(ptr);
+ return phy;
+ }
+
+ if (!try_module_get(phy->ops->owner)) {
+ devres_free(ptr);
+ return ERR_PTR(-EPROBE_DEFER);
+ }
+
+ get_device(&phy->dev);
+
+ *ptr = phy;
+ devres_add(dev, ptr);
+
+ return phy;
+}
+EXPORT_SYMBOL_GPL(devm_of_phy_get_by_index);
+