Merge tag 'phy-devm_of_phy_optional_get' into next

Merge tag phy-devm_of_phy_optional_get into next to bring in the new
devm_of_phy_optional_get() API and users

1 files changed, 30 insertions, 21 deletions

diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index d93ddf1262c5..9951efc03eaa 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -767,27 +767,6 @@ struct phy *phy_get(struct device *dev, const char *string)
 EXPORT_SYMBOL_GPL(phy_get);
 
 /**
- * phy_optional_get() - lookup and obtain a reference to an optional phy.
- * @dev: device that requests this phy
- * @string: the phy name as given in the dt data or the name of the controller
- * port for non-dt case
- *
- * Returns the phy driver, after getting a refcount to it; or
- * NULL if there is no such phy.  The caller is responsible for
- * calling phy_put() to release that count.
- */
-struct phy *phy_optional_get(struct device *dev, const char *string)
-{
-	struct phy *phy = phy_get(dev, string);
-
-	if (PTR_ERR(phy) == -ENODEV)
-		phy = NULL;
-
-	return phy;
-}
-EXPORT_SYMBOL_GPL(phy_optional_get);
-
-/**
  * devm_phy_get() - lookup and obtain a reference to a phy.
  * @dev: device that requests this phy
  * @string: the phy name as given in the dt data or phy device name
@@ -880,6 +859,36 @@ struct phy *devm_of_phy_get(struct device *dev, struct device_node *np,
 EXPORT_SYMBOL_GPL(devm_of_phy_get);
 
 /**
+ * devm_of_phy_optional_get() - lookup and obtain a reference to an optional
+ * 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.  This differs to devm_of_phy_get() in
+ * that if the phy does not exist, it is not considered an error and
+ * -ENODEV will not be returned. Instead the NULL phy is returned,
+ * which can be passed to all other phy consumer calls.
+ */
+struct phy *devm_of_phy_optional_get(struct device *dev, struct device_node *np,
+				     const char *con_id)
+{
+	struct phy *phy = devm_of_phy_get(dev, np, con_id);
+
+	if (PTR_ERR(phy) == -ENODEV)
+		phy = NULL;
+
+	if (IS_ERR(phy))
+		dev_err_probe(dev, PTR_ERR(phy), "failed to get PHY %pOF:%s",
+			      np, con_id);
+
+	return phy;
+}
+EXPORT_SYMBOL_GPL(devm_of_phy_optional_get);
+
+/**
  * 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