diff options
| -rw-r--r-- | drivers/net/phy/phy_device.c | 34 | ||||
| -rw-r--r-- | include/linux/phy.h | 3 |
2 files changed, 35 insertions, 2 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index bb1410821ce4..c02669270c41 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1277,6 +1277,36 @@ struct phy_device *phy_attach(struct net_device *dev, const char *bus_id, } EXPORT_SYMBOL(phy_attach); +static bool phy_driver_is_genphy_kind(struct phy_device *phydev, + struct device_driver *driver) +{ + struct device *d = &phydev->mdio.dev; + bool ret = false; + + if (!phydev->drv) + return ret; + + get_device(d); + ret = d->driver == driver; + put_device(d); + + return ret; +} + +bool phy_driver_is_genphy(struct phy_device *phydev) +{ + return phy_driver_is_genphy_kind(phydev, + &genphy_driver.mdiodrv.driver); +} +EXPORT_SYMBOL_GPL(phy_driver_is_genphy); + +bool phy_driver_is_genphy_10g(struct phy_device *phydev) +{ + return phy_driver_is_genphy_kind(phydev, + &genphy_10g_driver.mdiodrv.driver); +} +EXPORT_SYMBOL_GPL(phy_driver_is_genphy_10g); + /** * phy_detach - detach a PHY device from its network device * @phydev: target phy_device struct @@ -1308,8 +1338,8 @@ void phy_detach(struct phy_device *phydev) * from the generic driver so that there's a chance a * real driver could be loaded */ - if (phydev->mdio.dev.driver == &genphy_10g_driver.mdiodrv.driver || - phydev->mdio.dev.driver == &genphy_driver.mdiodrv.driver) + if (phy_driver_is_genphy(phydev) || + phy_driver_is_genphy_10g(phydev)) device_release_driver(&phydev->mdio.dev); /* diff --git a/include/linux/phy.h b/include/linux/phy.h index 3b051f761450..f1c19bf8c658 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1183,4 +1183,7 @@ module_exit(phy_module_exit) #define module_phy_driver(__phy_drivers) \ phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers)) +bool phy_driver_is_genphy(struct phy_device *phydev); +bool phy_driver_is_genphy_10g(struct phy_device *phydev); + #endif /* __PHY_H */ |