xemaclite_mdio_write(9)

📦 version 7.3.1, in nixpkgs unstable

💅 xemaclite_mdio_write ✨

okay bestie, gather round, because today we're looking at xemaclite_mdio_write(9) from the Kernel API Manual and honestly? she's giving "tiny function, big responsibilities" and i'm obsessed. this is the girl who writes to a given MII management register. no cap.

🌸 NAME 🌸

xemaclite_mdio_write — write to a given MII management register 🎀

✨ SYNOPSIS ✨

int xemaclite_mdio_write (struct mii_bus *bus , int phy_id , int reg ,
       u16 val );

like, that's the whole vibe. four little args and she's off 💫

🦋 ARGUMENTS 🦋

  • bus — the mii_bus struct, aka the main character of this whole operation 🚌
  • phy_id — the phy address, so she knows exactly who she's talking to, iykyk 📍
  • reg — register number to write to, the destination of the whole mission 🎯
  • val — value to write to the register number specified by reg, the actual payload, the moment, the slay 💖

🔥 DESCRIPTION 🔥

so here's the tea: this function waits till the device is ready to accept a new MDIO request, and then writes the val to the MDIO Write Data register. the way that she's patient first and then does the thing? we love a considerate queen 👑✨

no rushing, no jumping the queue — just a polite little wait, and then the write. periodt 💅

🌈 RETURN 🌈

  • 0 — upon success 🎉 (we stan a zero return)
  • a negative error — upon failure 😭 (it's giving "something went wrong" and honestly same)

💜 SEE ALSO 💜

okay this list is LONG but every single one of these is iconic in her own right, don't skip, bestie:

ngl this whole squad lives in ./drivers/net/ethernet/xilinx and they're all worth a read when you're done here. study up, bestie 🧚

and that's the page!! 💖 this little drop is from ./drivers/net/ethernet/xilinx, dated October 2026, and it's all about xemaclite_mdio_write(9) — go off, my darling, you're gonna do amazing 🎀✨🦋

📦 where this page comes from