isr_tr_complete_handler(9)

🌸 isr_tr_complete_handler(9) — the transaction-complete interrupt handler, bestie edition 💅

okay so real talk, this one lives in the Kernel API Manual, section 9, and it's called isr_tr_complete_handler — the transaction complete interrupt handler. yes the name is a mouthful, no we are not abbreviating it, it's iconic as-is ✨

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✨ NAME ✨

isr_tr_complete_handler — the transaction complete interrupt handler 🎀

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🦋 SYNOPSIS 🦋

void isr_tr_complete_handler (struct ci_hdrc *ci );

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💖 ARGUMENTS 💖

• ci — the UDC descriptor. that's it, that's the whole argument list, she's low-maintenance 👑

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🌈 DESCRIPTION 🌈

okay so picture this: traffic events happen, and someone has to handle them. that someone is this function. isr_tr_complete_handler handles traffic events. periodt. 💅

no cap, that's the entire documented job description — it handles traffic events. she shows up, she handles the traffic events, she leaves. main character energy fr fr 🦋

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⭐ SEE ALSO ⭐

first up, the kernel file this little icon calls home:

• ./drivers/usb/chipidea/udc.c — the kernel file, iykyk 🫶

and now the whole friend group, all of them section 9, all of them invited to the group chat:

• 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)
• ci_udc_start(9)
• udc_start(9)
• udc_stop(9)
• ci_hdrc_gadget_init(9)

like, the entire ensemble cast, no one got left out 💜

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ngl bestie, that's genuinely the whole page — short, sweet, and handling traffic events 💀

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and that's a wrap! this cutie comes to you from ./drivers/usb/chipidea, dated October 2026, and she answers to isr_tr_complete_handler(9). mwah 🎀💖✨