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-rw-r--r--drivers/phy/phy-core.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index 7c1b0e14a235..623b71c54b3e 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -526,6 +526,37 @@ struct phy *devm_phy_optional_get(struct device *dev, const char *string)
EXPORT_SYMBOL_GPL(devm_phy_optional_get);
/**
+ * devm_of_phy_get() - lookup and obtain a reference to a phy.
+ * @dev: device that requests this phy
+ * @np: node containing the phy
+ * @con_id: name of the phy from device's point of view
+ *
+ * Gets the phy using of_phy_get(), 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(struct device *dev, struct device_node *np,
+ const char *con_id)
+{
+ 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, con_id);
+ if (!IS_ERR(phy)) {
+ *ptr = phy;
+ devres_add(dev, ptr);
+ } else {
+ devres_free(ptr);
+ }
+
+ return phy;
+}
+EXPORT_SYMBOL_GPL(devm_of_phy_get);
+
+/**
* phy_create() - create a new phy
* @dev: device that is creating the new phy
* @ops: function pointers for performing phy operations