master_inb
mir = master_inb(IIRQ_REG);
(master_inb(EIRQ_REG) & Q40_IRQ6_MASK)) {
mer = master_inb(EIRQ_REG);
mir = master_inb(IIRQ_REG);
if (Q40_IRQ_KEYB_MASK & master_inb(INTERRUPT_REG))
serio_interrupt(q40kbd->port, master_inb(KEYCODE_REG), 0);
while (maxread-- && (Q40_IRQ_KEYB_MASK & master_inb(INTERRUPT_REG)))
master_inb(KEYCODE_REG);