[RFC net-next PATCH 14/16] net: mdio: Add helper functions for accessing MDIO devices
From: Sean Anderson <hidden>
Date: 2021-10-04 19:16:51
Also in:
lkml
Subsystem:
ethernet phy library, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, Linus Torvalds
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 <redacted> --- include/linux/mdio.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index 5e6dc38f418e..1342bbb6ef0c 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h@@ -350,6 +350,23 @@ int mdiobus_write_nested(struct mii_bus *bus, int addr, u32 regnum, u16 val); int mdiobus_modify(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 u32 mdiobus_c45_addr(int devad, u16 regnum) { return MII_ADDR_C45 | devad << MII_DEVADDR_C45_SHIFT | regnum;
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2.25.1