From 0ebecb2644c834d8a69f07c5d44a130835950171 Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Fri, 22 Oct 2021 11:59:12 -0400 Subject: [PATCH] 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 Reviewed-by: Russell King (Oracle) Signed-off-by: David S. Miller --- 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;