DWC2_EP0_SETUP
if (!(index == 0 && hsotg->ep0_state == DWC2_EP0_SETUP))
case DWC2_EP0_SETUP:
hsotg->ep0_state = DWC2_EP0_SETUP;
if (hsotg->ep0_state == DWC2_EP0_SETUP)
WARN_ON(hsotg->ep0_state != DWC2_EP0_SETUP);
hsotg->ep0_state == DWC2_EP0_SETUP && !(ints & DXEPINT_SETUP))