Structure at include/linux/usb/gadget.h, line 113 References: drivers/usb/cdns3/ep0.c, line 812 drivers/usb/cdns3/gadget.c, line 2205 drivers/usb/cdns3/gadget.c, line 2207 drivers/usb/dwc3/gadget.c, line 1225 drivers/usb/dwc3/gadget.c, line 1236 drivers/usb/gadget/at91_udc.c, line 584 drivers/usb/gadget/atmel_usba_udc.c, line 459 drivers/usb/gadget/ci_udc.c, line 99 drivers/usb/gadget/dwc2_udc_otg.c, line 131 drivers/usb/gadget/fotg210.c, line 763 drivers/usb/gadget/pxa25x_udc.c, line 987 drivers/usb/musb-new/musb_gadget.c, line 1594 drivers/usb/musb-new/musb_gadget.h, line 93 drivers/usb/musb-new/musb_gadget_ep0.c, line 1056 include/linux/usb/gadget.h, line 113 include/linux/usb/gadget.h, line 179