phy: core: Add release phy_ops invoked when the consumer relinquishes PHY

Add a new phy_ops *release* invoked when the consumer relinquishes the PHY using phy_put/devm_phy_put. The initializations done by the PHY driver in of_xlate call back can be can be cleaned up here.

Kishon Vijay Abraham I committed 7 years ago

Commit fec06b21 parent 42c7cb72 files · +7 −0Browse files

Unified · Split

2 files

drivers/phy/phy-core.c +5 −0
include/linux/phy/phy.h +2 −0

drivers/phy/phy-core.c+5−0

 	if (!phy || IS_ERR(phy))
 		return;
+	mutex_lock(&phy->mutex);
+	if (phy->ops->release)
+		phy->ops->release(phy);
+	mutex_unlock(&phy->mutex);
 	module_put(phy->ops->owner);
 	put_device(&phy->dev);
 }

include/linux/phy/phy.h+2−0

  * @set_mode: set the mode of the phy
  * @reset: resetting the phy
  * @calibrate: calibrate the phy
+ * @release: ops to be performed while the consumer relinquishes the PHY
  * @owner: the module owner containing the ops
  */
 struct phy_ops {
 			    union phy_configure_opts *opts);
 	int	(*reset)(struct phy *phy);
 	int	(*calibrate)(struct phy *phy);
+	void	(*release)(struct phy *phy);
 	struct module *owner;
 };