EP_DIS_IN_RROGRESS
pep->ep_state |= EP_DIS_IN_RROGRESS;
pep->ep_state &= ~EP_DIS_IN_RROGRESS;
if (pep->ep_state & EP_DIS_IN_RROGRESS)
!(pep->ep_state & EP_DIS_IN_RROGRESS))
pep->ep_state & EP_DIS_IN_RROGRESS) {