xudc_stop_activity(9)

✨ NAME ✨

okay so bestie, meet xudc_stop_activity from the Kernel API Manual — page xudc_stop_activity(9) — and its whole personality is literally: Stops any further activity on the device. 💅 not me explaining kernel USB gadget lore in the group chat, but here we are.

🌸 SYNOPSIS 🌸

void xudc_stop_activity (struct xusb_udc *udc );

🎀 ARGUMENTS 🎀

• udc — pointer to the usb device controller structure. 🫶 literally the controller bestie you're handing over.

🦋 SEE ALSO 🦋

bestie, the Kernel file is ./drivers/usb/gadget/udc/udc-xilinx.c, and struct xusb_req(9) is right there in the lineup. The rest of the icon roster is giving full USB gadget ensemble cast: ✨

• 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_wakeup(9)
• xudc_pullup(9)
• xudc_eps_init(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)

okay that's the whole page, bestie — source/version vibes straight from ./drivers/usb/gadget/udc, dated October 2026, still slaying as xudc_stop_activity(9) 💖✨