phy_read_mmd(9)

📦 version 7.3.1, in nixpkgs unstable

💖 phy_read_mmd(9) — like, the Kernel API Manual, but make it make sense 🎀

okay so bestie, welcome to the phy_read_mmd page from the Kernel API Manual ✨ this one's short and sweet and honestly iconic for it — no cap, we love a function that knows what it is 💅

🌸 NAME 🌸

phy_read_mmd — the convenience function for reading a register from an MMD on a given PHY 🫶 like, that's literally the whole gig, and she does it slayfully.

✨ SYNOPSIS ✨

int phy_read_mmd (struct phy_device *phydev , int devad , u32 regnum );

look at her. three args. no drama. main character energy fr fr 👑

🦋 ARGUMENTS 🦋

  • phydev — the phy_device struct 💜 this is your PHY babe, the whole point of the operation.
  • devad — the MMD you're reading from 🌸 pick your girl wisely.
  • regnum — the register on that MMD you wanna read 🎀 the actual thing you came for.

💀 DESCRIPTION 💀

Same rules as for phy_read; — and that's it, that's the description 😭 like she really said "go read phy_read, same vibes, bye" and honestly? Respect. The rules are the rules, periodt 🧚

🌈 SEE ALSO 🌈

Kernel file ./drivers/net/phy/phy-core.c — that's where the magic lives, iykyk ✨ and then the whole friend group, because this function does not exist in a vacuum bestie:

ngl that's a whole squad 💅 if you're deep in drivers/net/phy you're gonna meet all of them eventually, so maybe screenshot this list 🍓

and that's the page!! 🎀 shoutout to the source, ./drivers/net/phy, and the date, October 2026 — timestamped and archived like the little legend she is ⭐ mwah 💖

📦 where this page comes from