smc_phy_powerdown(9)

💅 smc_phy_powerdown(9) — like, the Kernel API Manual page you didn't know you needed 🫶

okay so bestie, welcome to the Kernel API Manual entry for smc_phy_powerdown(9) — yes the whole manual is literally called that, iykyk. this one's a tiny little function that does exactly one thing and honestly? it ate. short, sweet, main character energy. let's get into it ✨

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🌸 NAME 🌸

smc_phy_powerdown — powerdown phy 💤

like, that's it. that's the whole vibe. it powers down the phy. no cap.

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🎀 SYNOPSIS 🎀

void smc_phy_powerdown (struct net_device *dev );

that's the signature, copy it exactly bestie, don't get creative with it 🙈 it returns void — so it gives you nothing back, and honestly? relatable. it just Does The Thing and leaves. icon behavior.

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🦋 ARGUMENTS 🦋

• dev — the net device. like, the network device you're handing over. that's the one (1) argument. that's the whole list. slay for being low maintenance 💖

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⭐ DESCRIPTION ⭐

Power down the specified PHY 🔥

that's genuinely the entire description, bestie — no secret extra paragraphs, no hidden lore. you give it a dev, it powers down the PHY that goes with it. specified is doing a lot of work in that sentence and we love that for it. periodt.

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🌈 SEE ALSO 🌈

• the kernel file ./drivers/net/ethernet/smsc/smc91x.c 👑 — that's where this lives, go look at it if you're nosy (respectfully)
• smc_phy_reset(9) — the reset one, its sibling
• smc_phy_check_media(9) — the media-checking one
• try_toggle_control_gpio(9) — the gpio-toggling one, yes that's really its name, and yes it's iconic

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fr fr bestie, this whole page is like four lines of actual content and one beautiful little signature — do not go adding your own ✨extras✨ to it, the facts are the facts 💀

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and that's a wrap, my love 🧚💜 this little gem comes to you straight out of ./drivers/net/ethernet/smsc, dated October 2026 — screenshot it, pin it, tell your friends. bye bestie, go power down a phy responsibly 🍓✨