usb_gadget_udc_reset(9)

🌸 usb_gadget_udc_reset(9) · Kernel API Manual 🌸

✨ NAME ✨

usb_gadget_udc_reset — notifies the udc core that bus reset occurs 💅

✨ SYNOPSIS ✨

void usb_gadget_udc_reset (struct usb_gadget *gadget , struct
       usb_gadget_driver *driver );

🎀 ARGUMENTS 🎀

• gadget — the gadget where the bus reset occurs, aka the main-character struct usb_gadget of the reset moment 💖
• driver — the gadget driver we want to notify, the bestie getting the heads-up 📣

💫 DESCRIPTION 💫

okay so bestie, if the udc driver has a bus reset handler, it needs to call this when the bus reset occurs. It’s giving two-for-one: it notifies the gadget driver that the bus reset occurs, and it updates gadget state too. no cap, that’s the whole vibe ✨

🌈 SEE ALSO 🌈

Kernel file ./drivers/usb/gadget/udc/core.c — that’s the file-side bestie. And here’s the whole squad of references, every single one, no skips 👑

• struct usb_udc(9)
• usb_ep_set_maxpacket_limit(9)
• usb_ep_enable(9)
• usb_ep_disable(9)
• usb_ep_alloc_request(9)
• usb_ep_free_request(9)
• usb_ep_queue(9)
• usb_ep_dequeue(9)
• usb_ep_set_halt(9)
• usb_ep_clear_halt(9)
• usb_ep_set_wedge(9)
• usb_ep_fifo_status(9)
• usb_ep_fifo_flush(9)
• usb_gadget_frame_number(9)
• usb_gadget_wakeup(9)
• usb_gadget_set_remote_wakeup(9)
• usb_gadget_set_selfpowered(9)
• usb_gadget_clear_selfpowered(9)
• usb_gadget_vbus_connect(9)
• usb_gadget_vbus_draw(9)
• usb_gadget_vbus_disconnect(9)
• usb_gadget_connect(9)
• usb_gadget_disconnect(9)
• usb_gadget_deactivate(9)
• usb_gadget_activate(9)
• usb_gadget_giveback_request(9)
• gadget_find_ep_by_name(9)
• usb_gadget_check_config(9)
• usb_udc_vbus_handler(9)
• usb_gadget_udc_start_locked(9)
• usb_gadget_udc_stop_locked(9)
• usb_gadget_udc_set_speed(9)
• usb_gadget_enable_async_callbacks(9)
• usb_gadget_disable_async_callbacks(9)
• usb_udc_release(9)
• usb_initialize_gadget(9)
• usb_add_gadget(9)
• usb_add_gadget_udc_release(9)
• usb_get_gadget_udc_name(9)
• usb_add_gadget_udc(9)
• usb_del_gadget(9)
• usb_del_gadget_udc(9)

mwah 💋 source/version ./drivers/usb/gadget/udc, date October 2026, all about usb_gadget_udc_reset(9) — bye bestie 🫶