UA_INT_ENABLE
writeb_relaxed(int_enable, port->membase + UA_INT_ENABLE);
u8 int_enable = readb_relaxed(port->membase + UA_INT_ENABLE);
writeb_relaxed(int_enable, port->membase + UA_INT_ENABLE);
u8 int_enable = readb_relaxed(port->membase + UA_INT_ENABLE);
writeb_relaxed(int_enable, port->membase + UA_INT_ENABLE);
port->membase + UA_INT_ENABLE);
u8 int_enable = readb_relaxed(port->membase + UA_INT_ENABLE);