end = omap_readw(DMA_DEST_LAST(ep->lch));
end = DMA_DEST_LAST(ep->lch);
static u16 dma_dest_len(struct omap_ep *ep, dma_addr_t start){	dma_addr_t	end;	end = omap_readw(DMA_DEST_LAST(ep->lch));	if (end == ep->dma_counter)		return 0;	end |= start & (0xffff << 16);	if (cpu_is_omap15xx())		end++;	if (end < start)		end += 0x10000;	return end - start;}