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Subject[PATCH v4 1/5] phy: core: Add *release* phy_ops invoked when the consumer relinquishes PHY
Date
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(+)

diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index cb38f6e8614c..b9a4ebf35dd3 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 3f350e2749fe..ef13aea1d370 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -64,6 +64,7 @@ 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 relinquishes the PHY
* @owner: the module owner containing the ops
*/
struct phy_ops {
@@ -105,6 +106,7 @@ 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;
};

--
2.17.1
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