udc_stop(9)

💅 udc_stop(9) — like, the deinitialize gadget role one 🎀

okay bestie, welcome to udc_stop(9), straight out of the Kernel API Manual ✨ this is the function that packs up the gadget role and sends it home — deinitializes it, no cap 🫶

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✨ NAME ✨

udc_stop — deinitialize gadget role 🌸

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🦋 SYNOPSIS 🦋

void udc_stop (struct ci_hdrc *ci );

literally that's it. void in, void out, no return value to stress about 💖

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🎀 ARGUMENTS 🎀

• ci — the chipidea controller 👑 that's the whole vibe, that's the whole argument

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💫 SEE ALSO 💫

so this function does not exist in a vacuum, bestie — it lives in the kernel file ./drivers/usb/chipidea/udc.c and it's surrounded by its little friends. the whole friend group, in the order the page gives them:

• 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)
• _gadget_stop_activity(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)
• ci_hdrc_gadget_init(9)

like, that's 33 cross-references and every single one of them ate 🔥 iykyk

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and that's the page!! 🌈 source is the kernel path ./drivers/usb/chipidea, the lovely Kernel API Manual is where this lil guy lives, and it's dated October 2026 — go forth and deinitialize that gadget role, bestie, you're so iconic for it 💜⭐