UDC_DMA_REQ
reg |= UDC_DMA_REQ; /* "pulse" activated */
omap_writew((omap_readw(UDC_TXDMA_CFG) & ~mask) | UDC_DMA_REQ,
omap_writew((omap_readw(UDC_RXDMA_CFG) & ~mask) | UDC_DMA_REQ,