From fec06b2bc436d1cbc3482becd40f656d46cd22b7 Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Fri, 5 Apr 2019 16:38:30 +0530 Subject: [PATCH] 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 --- 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 cb38f6e..b9a4ebf 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 3f350e2..ef13aea 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; }; -- 2.7.4