Messages in this thread Patch in this message | | | From | Sean Anderson <> | Subject | [PATCH 1/3] net: mdio: Add helper functions for accessing MDIO devices | Date | Mon, 18 Oct 2021 17:54:46 -0400 |
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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> --- This patch was originally submitted as [1].
[1] https://lore.kernel.org/netdev/20211004191527.1610759-15-sean.anderson@seco.com/
include/linux/mdio.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/include/linux/mdio.h b/include/linux/mdio.h index f622888a4ba8..9f3587a61e14 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -352,6 +352,30 @@ int mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask, int mdiobus_modify_changed(struct mii_bus *bus, int addr, u32 regnum, u16 mask, u16 set); +static inline int mdiodev_read(struct mdio_device *mdiodev, u32 regnum) +{ + return mdiobus_read(mdiodev->bus, mdiodev->addr, regnum); +} + +static inline int mdiodev_write(struct mdio_device *mdiodev, u32 regnum, + u16 val) +{ + return mdiobus_write(mdiodev->bus, mdiodev->addr, regnum, val); +} + +static inline int mdiodev_modify(struct mdio_device *mdiodev, u32 regnum, + u16 mask, u16 set) +{ + return mdiobus_modify(mdiodev->bus, mdiodev->addr, regnum, mask, set); +} + +static inline int mdiodev_modify_changed(struct mdio_device *mdiodev, + u32 regnum, u16 mask, u16 set) +{ + return mdiobus_modify_changed(mdiodev->bus, mdiodev->addr, regnum, + mask, set); +} + static inline u32 mdiobus_c45_addr(int devad, u16 regnum) { return MII_ADDR_C45 | devad << MII_DEVADDR_C45_SHIFT | regnum; -- 2.25.1
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