COM20020_REG_R_STATUS
if (inb(ioaddr + COM20020_REG_R_STATUS) == 0xFF) {
status = inb(ioaddr + COM20020_REG_R_STATUS);
status = inb(ioaddr + COM20020_REG_R_STATUS);
dev->name, inb(ioaddr + COM20020_REG_R_STATUS));
return inb(ioaddr + COM20020_REG_R_STATUS) +