isp1760_reg_read
status = isp1760_reg_read(udc->regs, ISP1763_DC_INTERRUPT)
& isp1760_reg_read(udc->regs, ISP1763_DC_INTENABLE);
status = isp1760_reg_read(udc->regs, ISP176x_DC_INTERRUPT)
& isp1760_reg_read(udc->regs, ISP176x_DC_INTENABLE);