xudc_ep_alloc_request(9)

💖 xudc_ep_alloc_request(9) — the Kernel API Manual bestie edition 💖

okay so this is xudc_ep_alloc_request(9) straight out of the Kernel API Manual, and she is literally here to initialize the request queue ✨ no cap.

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🌸 NAME 🌸

xudc_ep_alloc_request — Initializes the request queue. periodt 💅

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🦋 SYNOPSIS 🦋

struct usb_request * xudc_ep_alloc_request (struct usb_ep *_ep , gfp_t
gfp_flags );

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🎀 ARGUMENTS 🎀

• _ep — pointer to the usb endpoint structure. like, the endpoint in question, bestie 🫶
• gfp_flags — Flags related to the request call. the little request-call vibes, iykyk 🌈

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⭐ RETURN ⭐

pointer to request structure on success and a NULL on failure. so if it slays, you get the pointer; if not, you get NULL 😭💀

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👑 SEE ALSO 👑

Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c and all these iconic little functions, fr fr:

• struct xusb_req(9)
• struct xusb_ep(9)
• struct xusb_udc(9)
• xudc_write32(9)
• xudc_read32(9)
• xudc_write32_be(9)
• xudc_read32_be(9)
• xudc_wrstatus(9)
• xudc_epconfig(9)
• xudc_start_dma(9)
• xudc_dma_send(9)
• xudc_dma_receive(9)
• xudc_eptxrx(9)
• xudc_done(9)
• xudc_read_fifo(9)
• xudc_write_fifo(9)
• xudc_nuke(9)
• xudc_ep_set_halt(9)
• __xudc_ep_enable(9)
• xudc_ep_enable(9)
• xudc_ep_disable(9)
• xudc_free_request(9)
• __xudc_ep0_queue(9)
• xudc_ep0_queue(9)
• xudc_ep_queue(9)
• xudc_ep_dequeue(9)
• xudc_ep0_enable(9)
• xudc_ep0_disable(9)
• xudc_get_frame(9)
• xudc_wakeup(9)
• xudc_pullup(9)
• xudc_eps_init(9)
• xudc_stop_activity(9)
• xudc_start(9)
• xudc_stop(9)
• xudc_clear_stall_all_ep(9)
• xudc_startup_handler(9)
• xudc_ep0_stall(9)
• xudc_setaddress(9)
• xudc_getstatus(9)
• xudc_set_clear_feature(9)
• xudc_handle_setup(9)
• xudc_ep0_out(9)
• xudc_ep0_in(9)
• xudc_ctrl_ep_handler(9)
• xudc_nonctrl_ep_handler(9)
• xudc_irq(9)
• xudc_probe(9)
• xudc_remove(9)

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and that's the whole page, bestie 🧚💜 this cutie comes from ./drivers/usb/gadget/udc, from the Kernel API Manual, dated October 2026 — iconic behavior, honestly 🎀✨