t4_mdio_wr(9)

📦 version 7.3.1, in nixpkgs unstable

💖 t4_mdio_wr 💖

okay bestie, this is the Kernel API Manual page for t4_mdio_wr — the little icon who writes a PHY register through MDIO. she's giving “small function, big main character energy” and we're obsessed. 🦋

✨ NAME ✨

t4_mdio_wr — write a PHY register through MDIO

🌸 SYNOPSIS 🌸

int t4_mdio_wr (struct adapter *adap , unsigned int mbox , unsigned int
       phy_addr , unsigned int mmd , unsigned int reg , u16 val );

🎀 ARGUMENTS 🎀

  • adap — the adapter 💖
  • mbox — mailbox to use for the FW command
  • phy_addr — the PHY address
  • mmd — the PHY MMD to access (0 for clause 22 PHYs)
  • reg — the register to write
  • val — value to write

💅 DESCRIPTION 💅

okay so the whole vibe is: she issues a FW command through the given mailbox to write a PHY register. that's the move, and she ate. 💅✨

🦋 SEE ALSO 🦋

the whole squad is linked here, and yes every single one is invited:

bestie, that's the whole page — source/version: ./drivers/net/ethernet/chelsio... · date: October 2026. 💖🫶✨

📦 where this page comes from