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Revert "net: mdio: get/put device node during (un)registration"

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This reverts commit cff9c565e6.

Revert based on feedback from Russell.

Link: https://lore.kernel.org/all/ZZPtUIRerqTI2%2Fyh@shell.armlinux.org.uk/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2024-01-02 14:23:34 -08:00
parent 1e71017b6e
commit 3e64db35bc
3 changed files with 1 additions and 17 deletions
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12
drivers/net/mdio/of_mdio.c
View File

@ -139,11 +139,6 @@ bool of_mdiobus_child_is_phy(struct device_node *child)
}
EXPORT_SYMBOL(of_mdiobus_child_is_phy);
static void __of_mdiobus_unregister_callback(struct mii_bus *mdio)
{
of_node_put(mdio->dev.of_node);
}
/**
* __of_mdiobus_register - Register mii_bus and create PHYs from the device tree
* @mdio: pointer to mii_bus structure
@ -171,8 +166,6 @@ int __of_mdiobus_register(struct mii_bus *mdio, struct device_node *np,
* the device tree are populated after the bus has been registered */
mdio->phy_mask = ~0;
mdio->__unregister_callback = __of_mdiobus_unregister_callback;
of_node_get(np);
device_set_node(&mdio->dev, of_fwnode_handle(np));
/* Get bus level PHY reset GPIO details */
@ -184,7 +177,7 @@ int __of_mdiobus_register(struct mii_bus *mdio, struct device_node *np,
/* Register the MDIO bus */
rc = __mdiobus_register(mdio, owner);
if (rc)
goto put_node;
return rc;
/* Loop over the child nodes and register a phy_device for each phy */
for_each_available_child_of_node(np, child) {
@ -244,9 +237,6 @@ int __of_mdiobus_register(struct mii_bus *mdio, struct device_node *np,
unregister:
of_node_put(child);
mdiobus_unregister(mdio);
put_node:
of_node_put(np);
return rc;
}
EXPORT_SYMBOL(__of_mdiobus_register);

3
drivers/net/phy/mdio_bus.c
View File

@ -787,9 +787,6 @@ void mdiobus_unregister(struct mii_bus *bus)
gpiod_set_value_cansleep(bus->reset_gpiod, 1);
device_del(&bus->dev);
if (bus->__unregister_callback)
bus->__unregister_callback(bus);
}
EXPORT_SYMBOL(mdiobus_unregister);

3
include/linux/phy.h
View File

@ -434,9 +434,6 @@ struct mii_bus {
/** @shared: shared state across different PHYs */
struct phy_package_shared *shared[PHY_MAX_ADDR];
/** @__unregister_callback: called at the last step of unregistration */
void (*__unregister_callback)(struct mii_bus *bus);
};
#define to_mii_bus(d) container_of(d, struct mii_bus, dev)