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