_ep_queue(9)

💅 _ep_queue(9) — Kernel API Manual ✨

🌸 NAME 🌸

_ep_queue — queues (submits) an I/O request to an endpoint. Periodt 💅

✨ SYNOPSIS ✨

int _ep_queue (struct usb_ep *ep , struct usb_request *req , gfp_t
       gfp_flags );

🎀 ARGUMENTS 🎀

• ep — endpoint 🫶
• req — request ✨
• gfp_flags — GFP flags (not used) 🙈

🦋 DESCRIPTION 🦋

Bestie, the caller must hold lock 🔒. This function returns an error code. That’s the whole description, no cap — it’s giving very brief 😭

🔥 SEE ALSO 🔥

Kernel file ./drivers/usb/chipidea/udc.c 💖

• 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)
• 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)

— with love from ./drivers/usb/chipidea, October 2026, and _ep_queue(9) 💖