pl011_reg_to_offset
return pl011_reg_to_offset(uap, REG_LCRH_RX) !=
pl011_reg_to_offset(uap, REG_LCRH_TX);
void __iomem *addr = uap->port.membase + pl011_reg_to_offset(uap, reg);
void __iomem *addr = uap->port.membase + pl011_reg_to_offset(uap, reg);
pl011_reg_to_offset(uap, REG_DR),
pl011_reg_to_offset(uap, REG_DR),