xudc_write32_be(9)

💖 NAME 💖

okay so this is xudc_write32_be(9) from the Kernel API Manual, and it's literally giving “tiny helper for a big endian write to device registers.” That's the whole name vibe: xudc_write32_be — big endian write to device registers. periodt. 🎀✨

✨ SYNOPSIS ✨

void xudc_write32_be (void __iomem *addr , u32 offset , u32 val );

🌸 ARGUMENTS 🌸

• addr — base addr of device registers. It's the starting point, bestie. 🫶
• offset — register offset. The little address hop to the register you want. ✨
• val — data to be written. The actual data heading into the register. 💅

🦋 SEE ALSO 🦋

This one hangs out with the kernel file ./drivers/usb/gadget/udc/udc-xilinx.c, plus this whole iconic friend group:

• Kernel file: ./drivers/usb/gadget/udc/udc-xilinx.c
• struct xusb_req(9)
• struct xusb_ep(9)
• struct xusb_udc(9)
• xudc_write32(9)
• xudc_read32(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_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)

okay that's the whole page, bestie. Source/version stamp: ./drivers/usb/gadget/udc · date: October 2026 · page: xudc_write32_be(9). mwah 💋✨