UDC_EPN_RX
irq_src &= ~(UDC_IRQ_SOF | UDC_EPN_TX|UDC_EPN_RX);
if (irq_src & UDC_EPN_RX) {
omap_writew(UDC_EPN_RX, UDC_IRQ_SRC);
(tmp & UDC_EPN_RX) ? " epn_rx" : "",