dwc2_hsotg_enqueue_setup(9)

💅 dwc2_hsotg_enqueue_setup ✨

okay bestie, welcome to the Kernel API Manual — this one's a function page, and it's giving very specific low-level USB energy 🫶

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🌸 NAME 🌸

dwc2_hsotg_enqueue_setup — start a request for EP0 packets ✨

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🎀 SYNOPSIS 🎀

void dwc2_hsotg_enqueue_setup (struct dwc2_hsotg *hsotg );

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🦋 ARGUMENTS 🦋

• hsotg — the device state 💖 (that's it, that's the whole argument list, queen behavior)

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🧚 DESCRIPTION 🧚

So here's the vibe: this function enqueues a request on EP0 if necessary, so the driver can receive any SETUP packets coming in from the host 🎀📨

That's genuinely it — no cap, that's the whole job. If it's needed, it wires up EP0 to catch those SETUP packets; if not, it doesn't. 💅

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👑 SEE ALSO 👑

The kernel file lives at ./drivers/usb/dwc2/gadget.c, and here's the whole iconic friend group — every single one of them, no skips, fr fr 😭:

• using_dma(9)
• dwc2_gadget_incr_frame_num(9)
• dwc2_gadget_dec_frame_num_by_one(9)
• dwc2_hsotg_en_gsint(9)
• dwc2_hsotg_disable_gsint(9)
• dwc2_hsotg_ctrl_epint(9)
• dwc2_hsotg_tx_fifo_count(9)
• dwc2_hsotg_tx_fifo_total_depth(9)
• dwc2_gadget_wkup_alert_handler(9)
• dwc2_hsotg_tx_fifo_average_depth(9)
• dwc2_hsotg_init_fifo(9)
• dwc2_hsotg_ep_alloc_request(9)
• is_ep_periodic(9)
• dwc2_hsotg_unmap_dma(9)
• dwc2_hsotg_write_fifo(9)
• get_ep_limit(9)
• dwc2_hsotg_read_frameno(9)
• dwc2_gadget_get_chain_limit(9)
• dwc2_hsotg_start_req(9)
• dwc2_hsotg_map_dma(9)
• dwc2_gadget_target_frame_elapsed(9)
• dwc2_hsotg_complete_oursetup(9)
• ep_from_windex(9)
• dwc2_hsotg_set_test_mode(9)
• dwc2_hsotg_send_reply(9)
• dwc2_hsotg_process_req_status(9)
• get_ep_head(9)
• dwc2_gadget_start_next_request(9)
• dwc2_hsotg_process_req_feature(9)
• dwc2_hsotg_stall_ep0(9)
• dwc2_hsotg_process_control(9)
• dwc2_hsotg_complete_setup(9)
• dwc2_hsotg_complete_request(9)
• dwc2_hsotg_rx_data(9)
• dwc2_hsotg_ep0_zlp(9)
• dwc2_hsotg_handle_outdone(9)
• dwc2_hsotg_handle_rx(9)
• dwc2_hsotg_ep0_mps(9)
• dwc2_hsotg_set_ep_maxpacket(9)
• dwc2_hsotg_txfifo_flush(9)
• dwc2_hsotg_trytx(9)
• dwc2_hsotg_complete_in(9)
• dwc2_gadget_read_ep_interrupts(9)
• dwc2_gadget_handle_ep_disabled(9)
• dwc2_gadget_handle_out_token_ep_disabled(9)
• dwc2_gadget_handle_nak(9)
• dwc2_hsotg_epint(9)
• dwc2_hsotg_irq_enumdone(9)
• kill_all_requests(9)
• dwc2_hsotg_disconnect(9)
• dwc2_hsotg_irq_fifoempty(9)
• dwc2_hsotg_core_init_disconnected(9)
• dwc2_gadget_handle_incomplete_isoc_in(9)
• dwc2_gadget_handle_incomplete_isoc_out(9)
• dwc2_hsotg_irq(9)
• dwc2_hsotg_ep_enable(9)
• dwc2_hsotg_ep_disable(9)
• on_list(9)
• dwc2_hsotg_ep_dequeue(9)
• dwc2_gadget_ep_set_wedge(9)
• dwc2_hsotg_ep_sethalt(9)
• dwc2_hsotg_ep_sethalt_lock(9)
• dwc2_hsotg_init(9)
• dwc2_hsotg_udc_start(9)
• dwc2_hsotg_udc_stop(9)
• dwc2_hsotg_gadget_getframe(9)
• dwc2_hsotg_set_selfpowered(9)
• dwc2_hsotg_pullup(9)
• dwc2_hsotg_vbus_draw(9)
• dwc2_hsotg_initep(9)
• dwc2_hsotg_hw_cfg(9)
• dwc2_hsotg_dump(9)
• dwc2_gadget_init(9)
• dwc2_hsotg_remove(9)
• dwc2_backup_device_registers(9)
• dwc2_restore_device_registers(9)
• dwc2_gadget_init_lpm(9)
• dwc2_gadget_program_ref_clk(9)
• dwc2_gadget_enter_hibernation(9)
• dwc2_gadget_exit_hibernation(9)
• dwc2_gadget_enter_partial_power_down(9)
• dwc2_gadget_enter_clock_gating(9)

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and that's the whole page, bestie 🌈 straight from the ./drivers/usb/dwc2 source tree, dated October 2026 — a whole month's worth of USB gadget lore, mwah 💋💖