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[v2,1/4] phy: core: Add *release* phy_ops invoked when the consumer relinquishes PHY

Message ID 20190206110753.28738-2-kishon@ti.com
State Superseded
Headers show
Series [v2,1/4] phy: core: Add *release* phy_ops invoked when the consumer relinquishes PHY | expand

Commit Message

Kishon Vijay Abraham I Feb. 6, 2019, 11:07 a.m. UTC 
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.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

---
 drivers/phy/phy-core.c  | 5 +++++
 include/linux/phy/phy.h | 2 ++
 2 files changed, 7 insertions(+)

-- 
2.17.1
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Patch

diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index 19b05e824ee4..d4bd85afdc91 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -564,6 +564,11 @@  void phy_put(struct phy *phy)
 	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);
 }
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index e8e118d70fd7..feb8dce54ac2 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -63,6 +63,7 @@  union phy_configure_opts {
  * @set_mode: set the mode of the phy
  * @reset: resetting the phy
  * @calibrate: calibrate the phy
+ * @release: ops to be performed while the consumer reliquishes the PHY
  * @owner: the module owner containing the ops
  */
 struct phy_ops {
@@ -104,6 +105,7 @@  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;
 };