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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.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
hifive-unleashed-5.2
Kishon Vijay Abraham I 2019-04-05 16:38:30 +05:30
parent 42c7cb71b5
commit fec06b2bc4
2 changed files with 7 additions and 0 deletions
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5
drivers/phy/phy-core.c
View File

@ -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);
}

2
include/linux/phy/phy.h
View File

@ -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;
};