usb_disable_autosuspend(9)

💅 usb_disable_autosuspend(9) — like, the Kernel API Manual page, bestie ✨

okay so you found the usb_disable_autosuspend page in the Kernel API Manual and you're like "what does this even do" — don't worry, I gotchu 🫶. Short page, but it's lowkey iconic.

---

✨ NAME ✨

usb_disable_autosuspend — this is the routine that prevents a USB device from being autosuspended, no cap 🚫💤

---

🦋 SYNOPSIS 🦋

void usb_disable_autosuspend (struct usb_device *udev );

Like that's literally the whole signature. Void return, one arg, that's her 💅

---

🎀 ARGUMENTS 🎀

• udev — the USB device which may not be autosuspended 🥺👉👈 that's the one you're protecting from the sleepy-time vibes.

---

🌸 DESCRIPTION 🌸

okay so here's the tea ☕ — this routine prevents udev from being autosuspended, and it also wakes it up if it is already autosuspended 😴➡️😳. Like it's not just blocking future naps, it's shaking it awake if it's already napping. main character energy fr fr.

⚠️ but bestie, listen — the caller must hold udev's device lock. Like, that is not optional. The lock is mandatory, periodt. 🔒👑

---

👑 SEE ALSO 👑

the whole squad 🫶 — and also the kernel file these live in, which is ./drivers/usb/core/driver.c. honestly the friend group is huge, I'm obsessed:

• usb_driver_claim_interface(9)
• usb_driver_release_interface(9)
• usb_match_id(9)
• usb_register_device_driver(9)
• usb_deregister_device_driver(9)
• usb_register_driver(9)
• usb_deregister(9)
• usb_suspend_both(9)
• usb_resume_both(9)
• usb_enable_autosuspend(9)
• usb_autosuspend_device(9)
• usb_autoresume_device(9)
• usb_autopm_put_interface(9)
• usb_autopm_put_interface_async(9)
• usb_autopm_put_interface_no_suspend(9)
• usb_autopm_get_interface(9)
• usb_autopm_get_interface_async(9)
• usb_autopm_get_interface_no_resume(9)

---

and that's the whole page bestie ✨💖 go hold that device lock and slay 🎀

sign-off szn 🌸: this one lives under ./drivers/usb/core, and the page is dated October 2026 🗓️💜 k bye ily 🫶💅