ufshcd_runtime_resume(9)

📦 version 7.3.1, in nixpkgs unstable

💖 ufshcd_runtime_resume — Kernel API Manual ✨

ok so bestie, welcome to the Kernel API Manual page for ufshcd_runtime_resume(9). this is the little glow-up routine your UFS controller runs when it wakes back up, and honestly? it's giving main character energy. let's get into it 🫶

🌸 NAME 🌸

ufshcd_runtime_resume — the runtime resume routine. that's it, that's the whole vibe ✨

🎀 SYNOPSIS 🎀

int ufshcd_runtime_resume (struct device *dev );

🦋 ARGUMENTS 🦋

  • dev — the device that's associated with the UFS controller. like, the controller's plus-one 💅

💅 DESCRIPTION 💅

ok so this function basically brings the controller to its active state — waking it up, getting it cute again. and the way it does that? here's the checklist, no cap:

  1. Turn on all the controller related clocks ⏰
  2. Turn ON the VCC rail 🔌

that's literally the whole to-do list. two steps. iconic. 🎀

⭐ RETURN ⭐

  • 0 upon success 🥳
  • < 0 upon failure 😭

👑 SEE ALSO 👑

the kernel file lives at ./drivers/ufs/core/ufshcd.c, and here's the whole friend group — go say hi to all of them:

ngl bestie, that's a lot of cross-references. hydrate before you read them all 💀💧

k that's the page!! ty for reading, ily, go wake up some controllers 🦋✨

this gem is brought to you by the source at ./drivers/ufs/core, dated October 2026, and proudly signed ufshcd_runtime_resume(9) 🎀💖 periodt.

📦 where this page comes from