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net: mdio: Add helper functions for accessing MDIO devices
This adds some helpers for accessing non-phy MDIO devices. They are analogous to phy_(read|write|modify), except that they take an mdio_device and not a phy_device. Signed-off-by: Sean Anderson <sean.anderson@seco.com> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -352,6 +352,30 @@ int mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask,
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int mdiobus_modify_changed(struct mii_bus *bus, int addr, u32 regnum,
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u16 mask, u16 set);
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static inline int mdiodev_read(struct mdio_device *mdiodev, u32 regnum)
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{
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return mdiobus_read(mdiodev->bus, mdiodev->addr, regnum);
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}
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static inline int mdiodev_write(struct mdio_device *mdiodev, u32 regnum,
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u16 val)
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{
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return mdiobus_write(mdiodev->bus, mdiodev->addr, regnum, val);
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}
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static inline int mdiodev_modify(struct mdio_device *mdiodev, u32 regnum,
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u16 mask, u16 set)
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{
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return mdiobus_modify(mdiodev->bus, mdiodev->addr, regnum, mask, set);
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}
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static inline int mdiodev_modify_changed(struct mdio_device *mdiodev,
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u32 regnum, u16 mask, u16 set)
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{
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return mdiobus_modify_changed(mdiodev->bus, mdiodev->addr, regnum,
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mask, set);
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}
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static inline u32 mdiobus_c45_addr(int devad, u16 regnum)
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{
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return MII_ADDR_C45 | devad << MII_DEVADDR_C45_SHIFT | regnum;
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