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mdio: Abstract device_remove() and device_free()

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Make device_free and device_remove operations in the mdio device
structure, so the core code does not need to differentiate between
phy devices and generic mdio devices.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2016-01-06 20:11:27 +01:00 committed by David S. Miller
parent a9049e0c51
commit 711fdba37a
4 changed files with 33 additions and 14 deletions
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23
drivers/net/phy/mdio_bus.c
View File

@ -299,6 +299,7 @@ static inline void of_mdiobus_link_mdiodev(struct mii_bus *mdio,
*/
int __mdiobus_register(struct mii_bus *bus, struct module *owner)
{
struct mdio_device *mdiodev;
int i, err;
if (NULL == bus || NULL == bus->name ||
@ -344,11 +345,12 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
error:
while (--i >= 0) {
struct phy_device *phydev = mdiobus_get_phy(bus, i);
if (phydev) {
phy_device_remove(phydev);
phy_device_free(phydev);
}
mdiodev = bus->mdio_map[i];
if (!mdiodev)
continue;
mdiodev->device_remove(mdiodev);
mdiodev->device_free(mdiodev);
}
device_del(&bus->dev);
return err;
@ -358,7 +360,6 @@ EXPORT_SYMBOL(__mdiobus_register);
void mdiobus_unregister(struct mii_bus *bus)
{
struct mdio_device *mdiodev;
struct phy_device *phydev;
int i;
BUG_ON(bus->state != MDIOBUS_REGISTERED);
@ -369,14 +370,8 @@ void mdiobus_unregister(struct mii_bus *bus)
if (!mdiodev)
continue;
if (!(mdiodev->flags & MDIO_DEVICE_FLAG_PHY)) {
phydev = container_of(mdiodev, struct phy_device, mdio);
phy_device_remove(phydev);
phy_device_free(phydev);
} else {
mdio_device_remove(mdiodev);
mdio_device_free(mdiodev);
}
mdiodev->device_remove(mdiodev);
mdiodev->device_free(mdiodev);
}
device_del(&bus->dev);
}

2
drivers/net/phy/mdio_device.c
View File

@ -46,6 +46,8 @@ struct mdio_device *mdio_device_create(struct mii_bus *bus, int addr)
mdiodev->dev.release = mdio_device_release;
mdiodev->dev.parent = &bus->dev;
mdiodev->dev.bus = &mdio_bus_type;
mdiodev->device_free = mdio_device_free;
mdiodev->device_remove = mdio_device_remove;
mdiodev->bus = bus;
mdiodev->addr = addr;

18
drivers/net/phy/phy_device.c
View File

@ -47,11 +47,27 @@ void phy_device_free(struct phy_device *phydev)
}
EXPORT_SYMBOL(phy_device_free);
static void phy_mdio_device_free(struct mdio_device *mdiodev)
{
struct phy_device *phydev;
phydev = container_of(mdiodev, struct phy_device, mdio);
phy_device_free(phydev);
}
static void phy_device_release(struct device *dev)
{
kfree(to_phy_device(dev));
}
static void phy_mdio_device_remove(struct mdio_device *mdiodev)
{
struct phy_device *phydev;
phydev = container_of(mdiodev, struct phy_device, mdio);
phy_device_remove(phydev);
}
enum genphy_driver {
GENPHY_DRV_1G,
GENPHY_DRV_10G,
@ -308,6 +324,8 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
mdiodev->bus_match = phy_bus_match;
mdiodev->addr = addr;
mdiodev->flags = MDIO_DEVICE_FLAG_PHY;
mdiodev->device_free = phy_mdio_device_free;
mdiodev->device_remove = phy_mdio_device_remove;
dev->speed = 0;
dev->duplex = -1;

4
include/linux/mdio.h
View File

@ -18,7 +18,11 @@ struct mdio_device {
const struct dev_pm_ops *pm_ops;
struct mii_bus *bus;
int (*bus_match)(struct device *dev, struct device_driver *drv);
void (*device_free)(struct mdio_device *mdiodev);
void (*device_remove)(struct mdio_device *mdiodev);
/* Bus address of the MDIO device (0-31) */
int addr;
int flags;