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| author | Andrew Lunn <andrew@lunn.ch> | 2016-01-06 20:11:18 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-01-07 14:31:26 -0500 |
| commit | 7f854420fbfe9d49afe2ffb1df052cfe8e215541 (patch) | |
| tree | 1f3c8d932976b597cdb6db3e53b06b4a95c5d303 /include/linux/mdio.h | |
| parent | 801a8ef54e8b21eb6699aaa88681259dafb1d1b5 (diff) | |
| download | lwn-7f854420fbfe9d49afe2ffb1df052cfe8e215541.tar.gz lwn-7f854420fbfe9d49afe2ffb1df052cfe8e215541.zip | |
phy: Add API for {un}registering an mdio device to a bus.
Rather than have drivers directly manipulate the mii_bus structure,
provide and API for registering and unregistering devices on an MDIO
bus, and performing lookups.
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>
Diffstat (limited to 'include/linux/mdio.h')
| -rw-r--r-- | include/linux/mdio.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mdio.h b/include/linux/mdio.h index 94f9f1491cde..8cd9579e18ea 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -19,9 +19,12 @@ struct mdio_device { struct mii_bus *bus; /* Bus address of the MDIO device (0-31) */ int addr; + int flags; }; #define to_mdio_device(d) container_of(d, struct mdio_device, dev) +#define MDIO_DEVICE_FLAG_PHY 1 + static inline bool mdio_phy_id_is_c45(int phy_id) { return (phy_id & MDIO_PHY_ID_C45) && !(phy_id & ~MDIO_PHY_ID_C45_MASK); @@ -188,4 +191,9 @@ int mdiobus_read_nested(struct mii_bus *bus, int addr, u32 regnum); int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); int mdiobus_write_nested(struct mii_bus *bus, int addr, u32 regnum, u16 val); +int mdiobus_register_device(struct mdio_device *mdiodev); +int mdiobus_unregister_device(struct mdio_device *mdiodev); +bool mdiobus_is_registered_device(struct mii_bus *bus, int addr); +struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr); + #endif /* __LINUX_MDIO_H__ */ |