ytphy_write_ext_with_lock(9)

📦 version 7.3.1, in nixpkgs unstable

💖 ytphy_write_ext_with_lock(9) 💖

okay so bestie, welcome to the Kernel API Manual — yes we're reading kernel docs for fun now, that's the vibe 💅

✨ NAME ✨

ytphy_write_ext_with_lock — writes to a PHY's extended register 🫶 lowkey does exactly what it says on the tin

🌸 SYNOPSIS 🌸

int ytphy_write_ext_with_lock (struct phy_device *phydev , u16 regnum ,
       u16 val );

🎀 ARGUMENTS 🎀

  • phydev — a pointer to a struct phy_device 🦋 (yes it's a pointer, yes you have to pass it, no we can't skip it)
  • regnum — the register number you wanna write to ⭐
  • val — the value that's gonna go into regnum ✨

👑 DESCRIPTION 👑

returns 0 or negative error code 😭 that's literally it, that's the whole description. zero means slay, negative means something went sideways ngl.

🧚 SEE ALSO 🧚

first up, the file itself: Kernel file ./drivers/net/phy/motorcomm.c — that's where all this lives, iykyk 💜

and now the whole friend group, in order, no skips fr fr:

like, that's forty-eight whole entries bestie, we did not skip a single one, main character energy only 👑

no cap: this page lives in ./drivers/net/phy, dated October 2026 🌈

that's the whole manual, bestie — go write some extended registers responsibly 💖✨🎀🦋🌸

📦 where this page comes from