_gadget_stop_activity(9)

✨ _gadget_stop_activity(9) ✨

okay so bestie, this is a page from the Kernel API Manual and it's literally about _gadget_stop_activity — like, the function that stops all USB activity, flushes & disables all endpts 💅 yes ALL of them, no cap.

---

🎀 NAME 🎀

_gadget_stop_activity — stops all USB activity, flushes & disables all endpts 🫶

like... it really does what it says on the tin, and it says it three times: stop, flush, disable. iconic behavior honestly.

---

🌸 SYNOPSIS 🌸

int _gadget_stop_activity (struct usb_gadget *gadget );

so it hands you back an int and it takes one struct usb_gadget * — that's the whole vibes of the signature ✨

---

🦋 ARGUMENTS 🦋

• gadget — gadget. yeah. that's the description. the gadget. the struct usb_gadget * one. main character energy, zero elaboration 🎀

---

💖 DESCRIPTION 💖

This function returns an error code 🔥

like that's genuinely it — that's the whole description. short, sweet, ate, left no crumbs. if you were hoping for a novel, bestie, this is a one-liner and we respect it 👑

---

🌈 SEE ALSO 🌈

Kernel file ./drivers/usb/chipidea/udc.c — and the whole friend group it rolls with:

• hw_ep_bit(9)
• hw_device_state(9)
• hw_ep_flush(9)
• hw_ep_disable(9)
• hw_ep_enable(9)
• hw_ep_get_halt(9)
• hw_ep_prime(9)
• hw_ep_set_halt(9)
• hw_port_is_high_speed(9)
• hw_test_and_clear_complete(9)
• hw_test_and_clear_intr_active(9)
• hw_test_and_clear_setup_guard(9)
• hw_test_and_set_setup_guard(9)
• hw_usb_set_address(9)
• hw_usb_reset(9)
• _usb_addr(9)
• _hardware_enqueue(9)
• free_pending_td(9)
• _hardware_dequeue(9)
• _ep_nuke(9)
• isr_reset_handler(9)
• isr_get_status_complete(9)
• _ep_queue(9)
• isr_get_status_response(9)
• isr_setup_status_complete(9)
• isr_setup_status_phase(9)
• isr_tr_complete_low(9)
• isr_setup_packet_handler(9)
• isr_tr_complete_handler(9)
• ci_udc_start(9)
• udc_start(9)
• udc_stop(9)
• ci_hdrc_gadget_init(9)

iykyk 💀 that's a whole group chat right there and they're all tagged.

---

ngl bestie, the whole page is short — but what matters is that you got every single one of those (9) references, every parameter type, and the exact promise: stop all USB activity, flush & disable all endpts, return an error code. periodt 🧚

---

kisses from the ./drivers/usb/chipidea crew 💜 this one's dated October 2026 and it's still signed off as _gadget_stop_activity(9) — slay 🎀✨