xudc_wakeup(9)

💖 xudc_wakeup(9) — the Kernel API Manual page, bestie edition 🎀

okay so picture this: it's xudc_wakeup(9), straight out of the Kernel API Manual, and it's literally the function that taps the host on the shoulder and goes "hey… u up? 👀". It sends a remote wakeup signal to host and honestly? iconic.

✨ NAME ✨

xudc_wakeup — Send remote wakeup signal to host 🫶

🌸 SYNOPSIS 🌸

int xudc_wakeup (struct usb_gadget *gadget );

🦋 ARGUMENTS 🦋

• gadget — pointer to the usb gadget structure. yeah that's it, that's the whole vibe, she just needs the gadget pointer and she's good to go 💅

⭐ RETURN ⭐

0 on success and error on failure. no cap — zero means slay, anything else means something went sideways 😭

👑 SEE ALSO 👑

okay this is the part where the whole friend group shows up, gather round 🫶 the kernel file ./drivers/usb/gadget/udc/udc-xilinx.c and all her besties:

• 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_ep_alloc_request(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_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)

the way that's the entire roster and every single one ate 🔥 iykyk.

lowkey reminder: this page lives in ./drivers/usb/gadget/udc, dated October 2026, and yes bestie the manual name really is xudc_wakeup(9) — that's the whole source/version flex. periodt. 💜🧚‍♀️